Biodivers Conserv DOI 10.1007/s10531-016-1155-1 ORIGINAL PAPER Science-policy interfaces for biodiversity: dynamic learning environments for successful impact Rob Tinch1 • Estelle Balian1 • Dave Carss2 • Driss Ezzine de Blas11 Nicoleta Adriana Geamana9 • Ulrich Heink5 • Hans Keune3 • Carsten Nesshöver5 • Jari Niemelä8 • Simo Sarkki7 • Maxime Thibon10 • Johannes Timaeus6 • Angheluta Vadineanu9 • Sybille van den Hove1 • Allan Watt2 • Kerry A. Waylen4 • Heidi Wittmer5 • Juliette C. Young2 • Received: 21 January 2016 / Revised: 16 May 2016 / Accepted: 31 May 2016 Springer Science+Business Media Dordrecht 2016 Abstract To address the pressing problems associated with biodiversity loss, changes in awareness and behaviour are required from decision makers in all sectors. Science-policy interfaces (SPIs) have the potential to play an important role, and to achieve this effectively, there is a need to understand better the ways in which existing SPIs strive for effective communication, learning and behavioural change. Using a series of test cases across the world, we assess a range of features influencing the effectiveness of SPIs Communicated by Rob Bugter, Paula Harrison, John Haslett and Rob Tinch. This is part of the special issue on ‘BESAFE’. & Rob Tinch [email protected] 1 Median, Carrer Vista Alegre 20, 08197 Sant Cugat del Valles, Spain 2 NERC Centre for Ecology and Hydrology, Edinburgh, Midlothian EH26 0QB, UK 3 INBO, Rue de la Clinique 25, 1070 Anderlecht, Belgium 4 Social, Economic and Geographical Sciences Group, James Hutton Institute, Aberdeen AB15 8QH, UK 5 UFZ- Helmholtz Centre for Environmental Research, Permoserstr. 15, 04318 Leipzig, Germany 6 Verein zur Erhaltung der Nutzpflanzenvielfalt, Mondrianplatz 11, 36041 Fulda, Germany 7 Cultural Anthropology, Faculty of Humanities, University of Oulu, PO Box 1000, 90014 Oulu, Finland 8 Department of Environmental Sciences, Faculty of Biological and Environmental Sciences, University of Helsinki, PO Box 65, 00014 Helsinki, Finland 9 University of Bucharest - Research Center in Systems Ecology and Sustainability, Splaiul Independentei 91-95, 050095 Bucharest, Romania 10 Observatoire du Sahara et du Sahel, Tunis, Tunisia 11 CIRAD - French Agricultural Research Centre for International Development, 34398 Montpellier, France 123 Biodivers Conserv through communication and argumentation processes, engagement of actors and other aspects that contribute to potential success. Our results demonstrate the importance of dynamic and iterative processes of interaction to support effective SPI work. We stress the importance of seeing SPIs as dynamic learning environments and we provide recommendations for how they can enhance success in meeting their targeted outcomes. In particular, we recommend building long-term trust, creating learning environments, fostering participation and ownership of the process and building capacity to combat silo thinking. Processes to enable these changes may include, for example, inviting and integrating feedback, extended peer review and attention to contextualising knowledge for different audiences, and time and sustained effort dedicated to trust-building and developing common languages. However there are no ‘one size fits all’ solutions, and methods must be adapted to context and participants. Creating and maintaining effective dynamic learning environments will both require and encourage changes in institutional and individual behaviours: a challenging agenda, but one with potential for positive feedbacks to maintain momentum. Keywords Science policy interfaces Biodiversity Communication, argumentation, iterativity, behavioural change, societal change Introduction Science-policy interfaces (SPIs) can be broadly defined as relations between scientists and other actors in the policy process which allow for exchanges, co-evolution, and joint construction of knowledge with the aim of enriching decision-making and/or research (van den Hove 2007). SPIs cover concepts such as knowledge brokering (Thompson et al. 2006; Lomas 2007; Fazey et al. 2013), knowledge exchange (Bierly et al. 2000; Duchelle et al. 2009; Fazey et al. 2013; Michaels 2009) and argumentation (Rose 2015; Simon and Schiemer 2015). SPIs can be considered as boundary organisations (Guston 2001) that can encompass a range of institutional structures, including interest groups, research projects, expert groups, and state agencies or institutes, but also informal relationships, among even as few as two individuals. Cash et al. (2003) identified key functions for such initiatives, arguing that ‘‘boundary management’’ required not only communication but also translation and mediation for mutual understanding and reconciliation of diverse perspectives. Such SPIs are increasingly perceived as a key component in tackling complex environmental issues through mobilising the policy sector to address challenges relating to effective conservation and management of natural resources and human impacts on the environment (Young et al. 2014). These challenges are complex and widespread, and biodiversity is still at risk and declining, despite current policies and legislation. Reasons include multiple vested interests, socially divisive issues, contested policy options and ethical framings, as well as pervasive uncertainty regarding ecological and human implications of biodiversity loss (Butchart et al. 2010). The European Commission’s postmortem on the failure of the 2010 target to halt biodiversity loss (Fournier et al. 2010) argued that there was: (a) incomplete implementation of existing legislation; (b) insufficient funding; (c) limited awareness about biodiversity; (d) inadequate governance and administrative capacity; and (e) gaps in skills and knowledge. All five problems hamper efforts to ‘mainstream’ biodiversity concerns across all policy sectors, recognised as vital 123 Biodivers Conserv for closing the implementation gap in biodiversity policy targets (CBD 2010: Aichi Strategic Goal A). In Europe, new biodiversity indicators, policy initiatives and sciencepolicy interface processes are being introduced, not only for biodiversity policy, but to support the successful mainstreaming of biodiversity in EU policies (Tinch et al. 2015). These features make the role of SPIs more complex, and also more dynamic, since demands on SPIs are constantly changing and evolving, in terms of pressures on and the state of biodiversity, but also knowledge, technology, policy framings, and the whole way of conceptualising human relationships with the natural world (Mace 2014). In turn, SPIs cannot be understood in isolation, but as embedded within and shaped by (and themselves influencing) these wider social and political contexts (van den Hove and Chabason 2009). To improve SPIs in complex contexts, and encourage more behavioural change leading to successful outcomes, we need to understand the conditions under which SPIs foster learning and behavioural change, defined as both internally (the behaviours of those engaged in SPIs) and externally (non-participant audiences and indirect influences). This calls for a combination of observing SPIs operating in different ways and contexts, with an understanding of what determines change in behaviour, and of how participation in and/or communication from SPIs can influence behaviour. In this paper, we aim to enhance our understanding of how and when SPIs may support the behavioural and ultimately societal change that is required to halt biodiversity loss and achieve the Aichi and EU Biodiversity strategy targets. We start by exploring the literature on the challenges of evaluating success and failure of SPIs contributing to biodiversity policies. We then review the features and outcomes that are commonly considered when assessing SPI impacts, such as learning and behavioural change, and extend the idea of SPIs as iterative learning environments (see Sarkki et al. 2015). We then use the views of participants involved in ten different case studies to understand perceived links between SPI design, context, and effects on communication (including argumentation), learning and behavioural change as elements of success or failure. We conclude by synthesising these results to identify recommendations for enhancing the effectiveness of SPIs. Understanding success and failure of SPIs contributing to biodiversity policies ‘Success’ might be considered with respect to the ultimate outcomes expected of SPIs—the social learning, behavioural and policy changes they foster in terms of improved environmental governance (Osmond et al. 2010). However, practical policy and biodiversity outcomes are not fully within the control of any SPIs. Rather, they depend on complex interplay with the context and numerous other actors, and so do not necessarily reflect any SPI design or operational choices. This means that biodiversity SPI ‘success’ cannot be defined simply in terms of the final biodiversity outcomes. Hence, there are no agreed, measurable indicators of SPI success or effectiveness. However, there is a wide literature on the conditions that help to create success: a practical approach to thinking about SPI success is to focus on features and attributes that can enhance the likelihood that an SPI, acting within a particular dynamic and complex context, will have effective impacts on learning, behaviour, policy and ultimately biodiversity. Candidate conditions for successful SPIs have been identified by various authors (Lentsch and Weingart 2011; Young et al. 2014; Sarkki et al.2015), for example having clear lines of responsibility and accountability on both sides of the boundary (Guston 2001), and by developing a forum in which information can be co-produced by scientists and information users (Guston 2001; Lövbrand 2011). The success of SPIs has also been linked to important features of knowledge generation, argumentation and communication 123 Biodivers Conserv processes in relation to decision-making contexts, and in particular to credibility, relevance and legitimacy (Cash et al. 2003; Farrell and Jäger 2006). Sarkki et al. (2014) explore the ways in which the features of credibility, relevance and legitimacy, and the components of SPIs that contribute to them, can exhibit dynamic synergies and trade-offs, and how they can be balanced in context-specific ways to enhance SPI success. Across these assessments, the notion of learning emerges as central to the success of SPIs. In the context of policy decisions, learning can be considered in terms of how decision-makers address choices about whether, how, and how much to alter existing policy, practices, or tools (Bomberg 2007). It is possible to distinguish among social learning that involves large-scale paradigmatic changes, reflexive learning about governance, instrumental learning of ‘what seems to work’, political learning that is about ‘playing the game’, and finally cross-national emulation in which models and solutions are imported (Radaelli 2009). Social learning occurs from peer-to-peer via social networks (Reed et al. 2010) and can be viewed as ‘‘developing new relational capacities’’ between social agents, learning how to collaborate and understand others’ roles and capacities differently (Pahl-Wostl et al. 2008), though in practice a clear distinction between individual and social learning is seldom made (Reed et al. 2010). Clark (2001) stresses the importance of social groups within which learning occurs and institutional forms that transmit lessons learned: SPIs can serve both as social forums and as sources of institutional practices to promote learning and diffusion of change of behaviour. The pathways from communication forums and capacity building to learning and behavioural change are often lengthy and indirect, especially in the context of transversal and complex issues such as biodiversity. In the context of learning, we need to recognise the shortcomings of the dominant ‘linear’ model of SPIs, with neutral scientists speaking ‘truth’ to receptive, powerful actors (Haas 2004; van Kerkhoff and Lebel 2006). The focus on one-way transfer of knowledge from science to policy puts emphasis on involving scientists with great communication skills and translating the scientific knowledge into more digested messages for policy makers. However, the processes by which individuals learn, form opinions and make decisions rarely follows this simple linear model (O’Brien 2013; Young et al. 2014). For example, decision-makers use more than solely information and technical knowledge when deciding on a course of action (Gauchat 2011). Groffman et al. (2010) describe the linear model as one of SPIs seeking to fill a ‘‘knowledge deficit’’, contrasting this with a ‘‘public engagement’’ model that recognises the complex and dynamic aspects of communication and argumentation and their relationship to decision processes. While methods premised on the linear deficit model can help effective science communication on some straightforward and uncontroversial issues (Pielke 2007), these methods reach their limits for more complex contexts, such as biodiversity loss, where knowledge is communicated, negotiated, interpreted and used in a variety of ways (Waylen and Young 2014). Focusing on the linear model hinders the development of more effective, dynamic SPIs in these contexts (Young et al. 2014). A natural extension of this shift in perspective is to consider SPIs as dynamic learning environments. Rather than linear processes with isolated events, SPIs are viewed here as dynamic processes that coevolve with their broader context (Reed et al. 2010) and the individuals participating in them (Engels 2005; Petersen et al. 2011). This approach leads Sarkki et al. (2015) to argue for the extension of the credibility, relevance and legitimacy framework to include a fourth attribute, iterativity, that brings to the fore the essential dynamic elements of SPI processes, contextual relationships and trade-offs that are not clearly emphasised in existing frameworks. Building on the above, we hypothesise that defining SPIs as dynamic learning environments can produce novel insights on how SPIs 123 Biodivers Conserv can be made more effective in terms of fostering behavioural and societal changes leading to positive outcomes for biodiversity. Methods Ten test cases were selected to cover a wide range of contexts and SPI types at national, European, and international scales. Eight cases were strongly focused on biodiversity issues, while two covered more general areas with strong biodiversity components. Brief details of each case are presented in Table 1. The research team members were either involved directly in these SPIs themselves, or had strong connections to them: we aimed to understand SPIs from an insider perspective. The objective was to establish a dialogue with the SPIs and contribute to the development and improvement of the SPIs, based on their needs and willingness to interact with us, while at the same time carrying out research into the evolving processes, helping us to reach a deeper understanding of how SPIs operate in different contexts while testing supposed good practice. The test case approaches were diverse, being explorative and sensitive to the needs and wishes of other participants in the SPIs. The approaches are described in Table 1, and follow a continuum of involvement, from financial and time input, to input of time from researchers, to observation and interviews. Strict comparability across the test cases was not sought, nor did we attempt formal hypothesis testing as in a scientific experimental setting. Instead, our aim was ‘learning by doing’ and observing others’ actions, expressed motivations and opinions in functioning SPIs. The analysis of the ten cases was carried out in three steps using a mixed methodological approach consisting of interviews, online questionnaires, workshops and focus groups. Step 1: A contextualisation phase based on identification and description of key characteristics of SPIs (structures, objectives, processes, outputs: see Sarkki et al. 2014 for details of this framework). This was compiled from a desk study exploring available communication material produced on and by the test case, questionnaires addressed to leaders or participants in the test case and face to face interviews. The collected results were compiled and each SPI component (structures, processes, etc.) was documented. Step 2: An assessment of the actual functioning of the SPI, compared to its initial plans and history, was carried out making use of questionnaires and face to face interviews involving internal SPI participants and external stakeholders. The results were compiled and analysed to identify whether and how the original SPI objectives had evolved, what processes and outputs were planned and whether they had been modified, and the reasons for these changes. Step 3: A dialogue and collaboration strategy with the institutions and persons engaged in the SPI and with external audiences/stakeholders was conducted to assess jointly the factors and conditions that were contributing or hampering the success or failure of the SPI as perceived by these different audiences. Data were collected in a ‘‘story telling’’ format for step 1, while step 2 and 3 resulted in short descriptions and a list of criteria entered in a common template to allow for comparison. Data were analysed to identify facilitating or hindering factors contributing to or constraining the success of each SPI in meeting its objectives. 123 Overview The Intergovernmental Platform for Biodiversity and Ecosystem Services (IPBES) was established in 2012. The overarching objective is ‘‘to strengthen the science-policy interface for biodiversity and ecosystem services for the conservation and sustainable use of biodiversity, long-term human well-being and sustainable development’’. The structure of IPBES includes: a Secretariat; a decision-making Plenary composed of members (governments) and observers, a Bureau and a Multidisciplinary Expert Panel (MEP) The AfriBES network is a social network of scientific and technical information on biodiversity and ecosystem services for Africa. It emerged from the consultative process towards an International Mechanism of Scientific Expertise on Biodiversity (IMoSEB) and particularly from the regional consultations. The main goal of AfriBES is to foster better sharing of and access to the relevant information on biodiversity, as well as a better access to African expertise and experts as the (2007) African consultation highlighted that information transfer and ownership and the capacity to find the ‘‘right information at the right place’’ are amongst the major needs of African biodiversity stakeholders in terms of SPI SEPI (Science for EU Environment Policy Interface) was a process launched in 2010 under the impetus of the Environment Commissioner. Currently, DG ENV acquires scientific evidence to support policy from a variety of sources. However, there is no systematic approach towards gathering evidence for cross-cutting and emerging issues. Under the SEPI process, DG ENV explored options for a stronger framework at the intersection between science and EU environment policy. The process focused on environmental policy generally, including biodiversity and nature. The challenges are particularly relevant to biodiversity policy since the need for mainstreaming, and the problems of ‘silo mentalities’ in other DGs, are strongest in this policy area Test case IPBES AfriBES network SEPI Table 1 Overview of the SPI test cases analysed in this study Approach and methods Time input: participation and debriefing in preparatory/consultation process: from the Science and Governance conference in Paris in 2005 to the IPBES consultations and the multi-stakeholder meetings since 2008 (held in Putrajaya (UNEP 2008), Nairobi (UNEP 2009), and Busan (UNEP 2010)). SPIRAL members also attended the two sessions of the plenary meeting of IPBES (3–7 Oct 2011, 16–21 Apr 2012) as well as workshops and meetings organised in Europe during intersessions. Contribution to the organisation of a workshop in Bonn, Dec 2011; contribution to the development of the IPBES Stakeholder Engagement Strategy. Two in-depth expert interviews (2011) Financial and time input: Organisation of two workshops to promote the co-design of the network (Tunis, Apr 2012 (27 participants), Dakar, Apr 2013 (26 participants)), debriefing and follow-up. Organisations of on-line consultations on ICT tools and their design to foster dialogue and exchanges between communities (scientists, decisions makers, regional organisations and CSOs representatives…) Time input: participation in and debriefing of two workshops (Brussels, Dec 2010, and Brussels, Sept 2011), and two sessions at the Green week in 2012 Scale International African European Biodivers Conserv 123 Overview INBO (Het Instituut voor Natuur- en Bosonderzoek) is the Flemish research and knowledge centre for nature and its sustainable management and use. INBO conducts research and supplies knowledge to all those who prepare or implement policies or are interested in them. As a leading scientific institute, INBO works for the Flemish government primarily, but also supplies information for international reporting and deals with questions from local authorities. In addition, INBO supports organisations for nature management, forestry, agriculture, hunting and fisheries. INBO is currently ‘on the move’, and is deeply involved in changing its science-policy interface culture towards more (or strengthening) policy relevance During the preparatory phase for EU accession (2000/2006), the Romanian authorities transposed the Water Framework Directive (WFD) and other related directives into national legislation. In the first phase the mandate to implement WFD measures was allocated to the former Water department/Ministry of Environment, Water and Forests and National Water Authority (NWA) in charge of water policy implementation on one hand, and two research institutes: the National Institute of Hydrology (NIH) and the National Institute for Environment (NIE), in charge of scientific and technical support on the other hand. By the end of 2009, the need for institutional consolidation and integration and for operational improvement of the existing SPI components was perceived by most of those involved in WFD implementation as a major priority, due to weak connectivity and coordination among former and newly established SPI components. The need for multi-level architecture and involvement of various scientific disciplines as well as non scientific expertise was identified, leading to improved vision which framed the structural and functional integration and consolidation of the water and biodiversity SPI components, enhancing synergies and resolving conflicts between these policy areas Test case INBO WFD (Romania) Table 1 continued Approach and methods Observation: Discussions with INBO director, screening of background material (including confidential material), two in-depth interviews, discussions with INBO staff responsible for specific activities Time input: Interactions with over 250 policy- and decision-makers at the central, regional and local levels, as well as academics, and stakeholder groups; three workshops with over 20 representatives from science and policy; active participation in over 15 workshops, meetings and deliberative events Scale National National Biodivers Conserv 123 Approach and methods Time input: screening of documents, two semi-structured interviews, discussions with members of SCB-Europe, participation in the revision of the policy and communication committee’s strategic plans Time input: taking part in bi-weekly coordination group calls, bilateral interactions and ad-hoc conference calls Scale European International Overview The Society for Conservation Biology (SCB) was founded almost 30 years ago in the US. Although the organisation is becoming global, its headquarters and most of its members are in the US. The Society for Conservation Biology is a formal, science-driven international, professional organisation that aims at advancing the science and practice of conserving the Earth’s biological diversity. Efforts have been made to internationalise the SCB by establishing regional sections in Africa, Asia, Australasia, Austral and Neotropical America and Europe. SCB now lists ‘‘increasing the application of science to management and policy’’ as one of its goals and is more active at the science-policy interface by engaging in policy issues at multiple levels of decision making In 2007 the G8 ? 5 Environment Ministers called for a study on the economic significance of biodiversity loss. In the first phase of The Economics of Ecosystems and Biodiversity (TEEB) at the 9th conference of the parties (COP) of the Convention on Biological Diversity (CBD) an interim report was presented, subsequently a number of governments funded TEEB’s main phase and a series of five reports were completed for different target audiences. They compiled the state of the art and a collection of examples from all over the globe on how to better take nature’s economic significance into account in decision making. These overarching issues focus on (i) the role that individuals play in making SPIs work and (ii) the recognition that many actors or institutions tend to operate within a sector-based silo mentality. Since 2010 (COP 10) there has been intense outreach including a series of workshops across the globe, and TEEB entered its current Phase 3 of facilitation and supporting country level implementation Test case SCB (European chapter) TEEB Table 1 continued Biodivers Conserv 123 Overview Our study focused on five EU research projects (ALARM, EuMon, AQUAMONEY, HERMES and ALTER-Net) Science-policy interaction was analyzed in six EU member states’ National Biodiversity Strategies and Action Plans development (Germany, Switzerland, Romania, Belgium, Finland and Scotland). The NBS countries were selected according to countries with SPIRAL partners plus a country where good connections already existed (Switzerland). Only individuals that participated directly in the science-policy exchange processes were interviewed. Since the number of people involved was sometimes large, especially in NBS development, only a small fraction could be interviewed. However, we aimed to represent the breadth of perspectives by including individuals from different institutional backgrounds (science, NGOs, agencies and ministries) Test case FP7 NBSAP Table 1 continued Time input: We carried out 25 semi-structured interviews, which were transcribed verbatim and coded in MAXQDA. Additional empirical material was included to account for the broader discourse and social context in which EU research projects were embedded such as EU policy documents, research articles and other material published by the investigated EU projects as well as newspaper articles referring to the studied projects. In addition, to get a better insight of science-society interfacing at the EU level, we organized a workshop identifying together with practitioners from policymaking and science to improve the SPIs of EU research projects (Neßhöver et al. 2013) Time input: 33 in-depth interviews with key actors from six European countries, with a focus on Finland and Switzerland. To implement the general approach of drawing on the experience and perspective of study participants, qualitative semi-structured interviews were combined with a grounded theory approach using MAXQDA. We started with open coding, developing categories with a low level of abstraction and then successively conducted selective and axial coding to increase the level of abstraction of the categories and to develop relationships between them. Complemented with analysis of key documents National Approach and methods European Scale Biodivers Conserv 123 Biodivers Conserv In addition, two workshops were organised to allow researchers, test case leaders and stakeholders to discuss, extend and validate the key factors impairing or contributing to the success of SPIs. Results Our results focus on the factors contributing to delivering or hindering the learning and behavioural changes that could lead to policy changes and positive results for biodiversity. This leads on to a discussion of SPIs as dynamic learning environments. The results are summarised in Table 2 (general overview) and Tables 3, 4, 5, 6, 7, 8, 9, 10 and 11 (detailed according to theme), and are discussed below under a series of common themes. The roles that individuals play in a SPI Most of the test cases demonstrate that an SPI’s effectiveness can be strongly dependent on the involvement of individuals committing their time and energy (Table 3), though barriers at other levels may mean that commitment alone is not sufficient for success. In the SEPI process, for example, the energy of a few individuals to move things forward was critical and fostered substantial progress in planning, but institutional rigidity and lack of support at senior/political levels meant the next steps to implement SEPI results were never taken. The development of Afribes was also tightly linked to the motivation and efforts of a small group of individuals who supported the co-design of the Afribes platform with African scientists to develop trust and ownership. Often, particular individuals were found to play a disproportionate role. The use of ‘champions’ or charismatic ‘ambassadors’ was a common feature, with such individuals playing a key role in most cases. The test cases also highlighted the potential trade-offs: in most of the SPIs where champions were important, they also exerted strong influence on the course taken by the SPI—playing both champion and leadership roles. In TEEB, for example, well-respected and highly-placed figures contributed to improving the visibility and credibility of the SPI, and facilitated access to other resources, as well as exerting influence on the process. Less positively, some cases also demonstrated dominance of a small group or clique. The perceptions and priorities of these individuals and groups may not necessarily be in tune with the original objectives of the SPI negotiated in a broader group. For example, in IPBES, a few institutions, and individuals from them, strongly shaped the first work programme, rules and procedures based on their experiences in other intergovernmental processes such as IPCC and the Millennium Ecosystem Assessment. Thus the work of IPBES was initially focused primarily on assessments rather than the broader set of agreed objectives (Granjou et al. 2013; Brooks et al. 2014), and the active involvement of other stakeholders may have been constrained by this procedural dominance. The risks associated with strong leadership can be reduced by an efficient coordination and a reliable knowledge base, ensured through for example appropriate quality assessment processes. In TEEB balance was achieved by very regular (usually weekly) discussions of all major decisions in a co-ordination group. This involved funders and several institutions involved in the management, generally operated by consensus, and continued to function effectively on occasions when the ‘champion’ was not present. 123 IPBES High Some Some Some Low No evidence Balance of evidence of the following features: Imbalance of power between different actors influences activity of the SPI Problems of ‘silo thinking’ (narrow focus on individual domain of interest/competence) Effective widespread engagement of all interests in the work and outputs of the SPI Trust playing an important role in communication within the SPI Effective use of iterative procedures to improve activities and outputs Effective use of feedback from SPI participants and audiences Table 2 Overview of the evidence for each test case High Some Strong Low High No AfriBES No evidence Low Some Low High Low SEPI Some Some Some Some Some Low INBO High High Strong Strong Low (internal), High (external) No WFD (Ro) Some Very low Low Some Some Strong Strong High High Strong Some High Some High (science focus) Low Some FP7 Low TEEB Low SCB High High Strong Strong Low (internal), High (external) Low NBSAP (Fi) High High Strong Strong Some Some NBSAP (CH) Biodivers Conserv 123 Biodivers Conserv Table 3 Evidence from the case studies on the roles played by individuals in SPIs IPBES AfriBES SEPI INBO WFD (Ro) SCB TEEB FP7 NBSAP (Fi) NBSAP (CH) Champion played key role None Strong conflict Weak support Strong support Strong support Weak support Strong support Strong support Weak support Weak support Champion shifted course of SPI None Strong conflict None Strong support Strong support Weak support None Strong support Weak support Weak support Leadership balanced by legitimising processes Weak conflict Weak support Weak support Mixed evidence Weak support None Strong support Strong conflict Mixed evidence Weak support Individual energy central None Strong support Strong support Strong support Strong support Strong support Strong support Strong support Weak support Strong support Small group / clique dominates Strong support Strong support None Mixed evidence Strong conflict Strong support Weak support Weak support Weak conflict Strong support Similarly, there were some concerns in the test cases that many important stakeholders were not effectively engaged or were ignored, often associated with tension between actors (see Table 4). Much of this was related to power and legitimacy, with power relations often considered to be dominated by economic sectors and/or by powerful government departments such as finance, resulting in conflicting needs and demands. In IPBES, several member states opposed wide stakeholder engagement and some pushed to keep a tight control on what stakeholders could contribute to the process (Opgenoorth and Faith 2013). Such problems led to what one interviewee described as a need ‘‘to orchestrate the chaos’’: a desire for more integration and institutional support for improving SPIs (Table 3), fostering deliberative decision-making by acknowledging legitimately diverse views, ‘‘opening up’’ the process and avoiding over-simplification or domination by particular perspectives (Stirling 2008, 2010). Positioning and role of SPI SPIs and their participants were found to engage more in an advocacy role (e.g. SCB) or seek to remain in a more neutral ‘honest brokering’ role (e.g. IPBES) (see Table 5). This is not always a choice–the SCB represents a ‘mission-driven’ discipline (Meine et al. 2006) and conservation scientists are often activists (as demonstrated in interviews), so it would be difficult for the SCB to be (or to be perceived as) a strict honest broker due to the normative framing of the science it represents (Pe’er et al. 2013). The role of honest broker may enhance the perception of scientific credibility, but may limit impact and motivations for participation (Pielke 2007). Scientific credibility was found not only to be linked to scientific quality, but also to transparency and perceptions of motivations (see also Koetz et al. 2012). In INBO, for example, the strategic evaluation highlighted that INBO scientists were judged by external participants to be too pro-conservation, and should change to being more scientifically ‘neutral’ and ‘objective’. Intense discussions within INBO led to agreement on the notion of scientific objectivity as an issue not only of scientific quality, but also of transparency about assumptions underpinning research methods and results. In most test cases there were concerns that SPI development could conflict with neutrality, and broad support for the principle that objectivity requires transparency in processes and communication. 123 Biodivers Conserv Table 4 Evidence from case studies on building trust and comprehension in SPIs Interdisciplinarity/ transdisciplinarity enhances common understanding/trust Genuine communication builds trust Understanding participant motivations key to success Conscious time, effort, resources to develop interpersonal relationships key to success Lack of understanding of others' views, knowledge, objectives hinders trust Long-term interactions build trust Loss of trust hard to reverse IPBES AfriBES SEPI INBO WFD (Ro) SCB TEEB FP7 NBSAP (Fi) NBSAP (CH) Strong support Strong support None Strong support Strong support None Strong support Strong support Mixed evidence Weak support Weak support Strong support Weak support Strong support Strong support Weak support Strong support Strong support Strong support Strong support Weak support Strong support None Strong support Strong support Weak support Strong support Weak support Strong support Strong support None Strong support Strong support Weak support Strong support Weak support Strong support Strong support Strong support Strong support Weak conflict Strong support None Strong support Strong support Weak support Weak support Strong support Weak support Strong support Weak support Strong support None Weak support Strong support None Strong support Strong support Strong support Strong support None Strong support None Strong conflict None Strong support None Weak conflict None None Table 5 Evidence from case studies on the ‘stance’ adopted by SPIs regarding its role in the science policy landscape IPBES Advocacy role dominant Strong conflict Honest brokerage dominant Weak support SPI development conflicts with neutrality Weak conflict Objectivity requires transparency Strong support AfriBES SEPI INBO WFD (Ro) SCB TEEB FP7 NBSAP (Fi) NBSAP (CH) Weak support None None Strong support Strong support Weak support Weak support Strong support Strong support Strong support None Weak support Weak support Strong conflict Weak support Weak support Weak support Strong conflict None Weak support Weak support Strong support Weak support Mixed evidence Strong conflict Strong support None Strong support Strong support Weak conflict Weak support Strong support Strong support Weak support Weak support Strong support Incentives, ownership and engagement Complex environmental issues require interdisciplinary SPIs, where a broad diversity of relevant experts are engaged, and transdisciplinary approaches integrating various scientific disciplines and other types of knowledge, building common understanding and trust (Farrell et al. 2013). A key challenge in a number of test cases was to encourage potential actors to engage time and efforts in these approaches. Where this could be done, both interand trans-disciplinarity were considered to increase the likelihood of behavioural changes (e.g. the Water Framework Directive implementation in Romania, where broad engagement and consultation with local stakeholders built trust with the institutions). A recurring theme in test cases was the need to foster ownership of the process by policy sectors as well as science, to ensure continued engagement and real added-value for stakeholders (Table 6). There was also strong support for the idea that clear objectives could enhance participation and increase success. It was felt that an explicit mandate from policy could help demonstrate and reinforce ownership from policy: a clear statement of 123 Biodivers Conserv Table 6 Evidence from case studies on factors influencing engagement and participation in SPIs IPBES Clear objectives enhance participation Clear objectives increase success Fostering ownership encourages engagement Weak connectivity and coordination Lack of institutional support for improving SPI Structural operational gaps / mismatches Weak support Weak support Strong support Weak support Weak conflict Strong support AfriBES SEPI INBO WFD (Ro) SCB TEEB FP7 NBSAP (Fi) NBSAP (CH) Strong conflict Weak support Strong support Strong support None Strong support None Strong support Strong support Strong conflict Strong support Strong support Strong support Weak support Weak support Weak support Strong support Strong support Mixed evidence Mixed evidence Strong support Weak support Weak support Strong support Strong support Strong support Strong support Strong support Strong support Weak conflict Strong conflict Strong support Strong conflict Weak conflict Strong conflict Weak conflict Strong support Strong support Weak support Strong conflict Strong support Strong conflict Weak support Strong conflict Weak conflict Weak support Strong support Weak support Strong support Strong support Weak support Weak support Strong support Weak conflict Table 7 Evidence from case studies on power and exclusion of different groups in SPIs IPBES Policy dominated by politics - no room for science Uni-directional attempts for science to 'speak truth to power' Important stakeholders disengaged/ignored Tension between power and legitimacy Mandate enhances impact Mandate/control damages objectivity SPIs used to rubber stamp decisions Weak support AfriBES None SEPI None INBO None WFD (Ro) Weak support SCB TEEB None Weak conflict None None Weak support Strong conflict Weak support Strong support None None None Strong conflict Weak support Strong support Strong support Mixed evidence None None None Strong conflict None Strong support Strong support None None None None Strong support Strong conflict Weak conflict Weak support Weak support None Weak support None Strong conflict None Weak conflict Weak support Weak conflict None Strong support None Weak conflict FP7 NBSAP (Fi) NBSAP (CH) Weak support Strong support Weak support Weak support Weak conflict Weak support Weak support Strong conflict Weak support Weak conflict None Strong support Weak conflict Strong support Weak conflict Strong conflict None None None None None needs, a targeted project, and funding to achieve it. Several of the test cases provided strong support for the impact-enhancing properties of responding to a mandate (Table 7), with IPBES being the most prominent example. However in extreme cases, where the final output is strictly controlled by a client, there is a risk of unidirectional communication in which the SPI becomes a rubber stamp for predetermined priorities. This is not necessarily ‘bad’—for example, one interviewee noted that the advantage of a consultancy contract (in contrast to a research project) would be that ‘‘I get exactly what I want’’. While this ‘strategic use’ of the SPI and its knowledge may be useful for strengthening policies for biodiversity conservation, if this is the only function of an SPI there may be missed opportunities to influence other forms of communication, argumentation and knowledge use, especially with audiences other than the original ‘client’. Furthermore, strategic use risks weakening the credibility of the SPI and any of its outputs that depend on the appearance of scientific objectivity. However the WFD (Romania) case showed that this was by no means an inevitable result of a clear mandate, with strong rejection of the idea that the mandate damaged objectivity or tied the process to politically-motivated conclusions, as regular consultations with local actors opened up discussions and allowed for a transparent process. 123 Biodivers Conserv Table 8 Evidence from case studies on the effectiveness of communication in SPIs IPBES Conflicting needs not resolved Flexibility helps resolve tensions Seeking inputs on needs/desires/ capabilities helps effective progress Expectations managed in line with capabilities Messages seek to appeal to broad range of audiences (not too blunt/directive) Dislike of messenger leads to information being rejected Knowledge users become active participants Lack of understanding of others' views, knowledge, objectives hinders communication Creating learning environments combats above Weak support None Strong conflict Weak conflict Strong support None Weak support NBSAP (CH) Strong support NBSAP (Fi) Strong support Weak support Weak support Strong support Strong support Strong support None Weak conflict Weak support Mixed evidence None Strong support Weak conflict Strong support Strong support Strong support Strong support None None None None Weak conflict Weak conflict None Weak support Weak support Strong support Strong conflict Weak support Weak support Strong support Strong support Strong support None Strong support Strong conflict Weak support Weak support Strong support Weak conflict Strong support Strong support Weak support Strong support Strong support None Mixed evidence Weak support Mixed evidence Weak support AfriBES SEPI INBO WFD (Ro) None Weak support Weak support Weak conflict None None Weak support Strong support SCB T E EB FP7 None None None None / N.A. Weak support Weak support Weak support Weak support Strong support None Strong conflict None None Weak support Strong support None Strong support None None Strong support None Weak support Strong support None Table 9 Evidence from the case studies on ‘silo thinking’ (narrow focus on individual domains of interest or competence) in SPIs IPBES Silo thinking weakens communication WITHIN SPI Silo thinking a problem with the target audiences Some groups unwilling to share information Narrow interpretations result in missed information, connections Closed club of scientists No effective link from 'environment' policy to other sectors Mixed evidence Weak support Mixed evidence None Weak support Strong support AfriBES SEPI INBO WFD (Ro) Strong support Strong support Strong support Strong conflict Strong support Strong support None None None None Strong support Strong conflict Strong support None None Strong support None None None Strong conflict Weak support Strong support Weak support Strong conflict TEEB FP7 NBSAP (Fi) NBSAP (CH) None None Strong support Weak conflict None None Weak support None None None Strong support Strong support Strong conflict None Weak support Strong support Strong support None Strong support None Weak support Strong conflict Weak support None Weak conflict Weak support Strong support Weak support SCB None None Table 10 Evidence from case studies relating to use and effectiveness of feedback in SPIs Feedback processes improve trust Feedback processes enhance impact Feedback processes improve future attempts at communication IPBES AfriBES SEPI INBO WFD (Ro) SCB TEEB FP7 NBSAP (Fi) NBSAP (CH) None Strong support None Strong support Strong support Weak support Weak support Strong support Weak support Strong support None Strong conflict None None Strong support Weak support Weak support Strong support Strong support Weak support None Strong support None Weak support Strong support Weak support Weak support Strong support Strong support Strong support Another challenge with strong mandates is maintaining flexibility and adaptability, especially for bottom-up initiatives. Many SPIs concern large groups of people, sometimes entire institutions, and strong top-down mandates can limit scope for individual innovation. For example, INBO had established a strong system negotiating policy mandate questions at the highest level, passing these down to individual researchers and teams. While this 123 Biodivers Conserv Table 11 Evidence from case studies on the use and effectiveness of iterative processes of communication in SPIs AfriBES SEPI INBO WFD (Ro) SCB TEEB FP7 NBSAP (Fi) NBSAP (CH) Weak support None Strong support Strong support Strong conflict Weak support Strong support Strong support Strong support None None None None Strong support None None Weak support Mixed evidence Weak support Weak support Strong support Weak support Weak support Strong support Weak conflict Weak support Weak support Strong support Weak support None Strong support None None Strong conflict None Weak conflict Weak support Strong conflict None None None None Weak conflict Weak support Weak support None Weak conflict None None None None Strong conflict Weak support Weak conflict None Strong conflict Weak support Strong support Weak support None Strong support Weak support Weak support Strong support Strong support Strong support IPBES Iterative process of dialogue resulting in coproduction of knowledge Mere exposure' leads to information/views being accepted through repetition Replication/iteration are effective tools Replication/iteration resisted by scientists/funders (not enough novelty) Selective exposure with audiences avoiding exposure to messages they don't like Selective exposure resulting in preaching to converted (self-selected audiences) Continuity enhances impact Strong conflict Mixed evidence Weak support None approach has obvious potential to increase buy-in from policy and make research more policy relevant, it leaves less room for informal science-policy relations to influence research from bottom-up and reduces flexibility and adaptability. Another example at a larger scale was IPBES, which has a broad set of clients, including over 120 governments and a number of Multilateral Environmental Agreements. To address all the needs raised by the clients, the first work plan had to be very ambitious, including a number of different assessments. This might hinder addressing wider functions beyond assessments (e.g., Hulme et al. 2011; Brooks et al. 2014), and make it difficult to meet expectations related to quality and credibility of the platform’s work (Vohland et al. 2011). Building trust In communication on controversial issues, trust in the person communicating may be as important as the process behind the evidence. The crucial importance of trust-building and mutual understanding was universally supported by the test cases (Table 4). Key aspects included how actors understand themselves and one another (so-called disciplinary perspectives), how they communicate, argue, collaborate, and work together through finding common ground (Marzano et al. 2006). This is also supported by recent technological and cultural developments in science, sometimes grouped under the banner ‘‘Science 2.0’’ (see e.g. Assante et al. 2015), including greater focus on open access to research results (Nosek et al. 2012), the emergence of data journals and journals of research ideas to safeguard knowledge and extend analytical opportunities (Candela et al. 2015), and new and extended models of peer review (Fresco-Santalla and Hernández-Pérez 2014). Depending on prior beliefs and attitudes, trust within and of SPIs may take more or less time to build. Generally, long-term interactions and continuity between SPI actors and its target audience will be needed to build up trust and stable relationships between science and policy (Table 4). But this process can display hysteresis effects: loss of trust can be rapid and very hard to reverse. Trust is also a position of vulnerability, and people can be wary of being exploited, especially where stakes are high. Thus the more trust a SPI receives, the greater the communication potential, but also the greater the risks. The evidence from the test cases on this point was mixed: in many cases there was no evidence of lost trust, and in part this is because active steps are taken to avoid it. TEEB, 123 Biodivers Conserv for example, operated under the premise that losing trust would be irreversible, providing a strong motivation for careful discussions, revisions and other proactive steps to avoid such risks. There were also examples of trust being rebuilt successfully, for example in WFD (Romania) where the initial top-down approach reduced trust but was successfully replaced with a consultative process that rebuilt trust. Silo thinking in policy and science Lack of understanding of others’ views, knowledge and objectives can lead to inappropriate framings, misinterpretations and mistrust. This is a common challenge in interdisciplinary work, where the assumptions, concepts, meanings, intentions and concerns of different groups are often poorly understood. This was identified as a barrier to effective communication and learning in seven test cases (Table 8). Part of the problem was ‘silo thinking’ where people were highly focused on particular aspects of their roles and expertise and struggled to embrace a ‘big picture’ view. A major challenge for biodiversity SPIs is to contribute to addressing the need for integration or mainstreaming of biodiversity concerns across all policy areas, both inside environment departments and across other departments. In the Finnish NBSAP process the need for mainstreaming biodiversity across policy sectors was acknowledged and even mandated, but remains relatively uninfluential due to competing mandates that direct the other policy sectors (Sarkki et al. 2015). Silo thinking was a common problem regarding communication with target audiences, but were even more widespread within SPIs (Table 9). Test case explorations produced remarks that policy sectors were based upon mono-disciplinary science, that there were closed clubs of scientists, that issues (including ‘the environment’ and in particular biodiversity) were too closely linked to one particular policy sector, and that there were no obvious ways to reach policy-makers in other sectors, nor capacity to link across sectors. We heard of significant structural and operational gaps and mismatches, and weak connectivity and coordination. The mainstreaming challenge was not helped by silo thinking in individual specialist fields within biodiversity science—for example, the anecdote from a Scottish participant regarding ongoing dispute between woodland and moorland ecologists over whether the black grouse was a woodland or moorland bird, seen to hinder a holistic approach to its conservation across habitats. Many SPIs were compromised by low willingness or ability to share information or knowledge freely with other individuals in the same organisation or field. This was also associated with failures to address issues in a holistic fashion, resulting in missing key information, feedbacks and/or connections. There is a clear overlap between the problems of silo thinking and the issues associated with power and engagement discussed above. In many ways these concerns are similar to those that have been voiced elsewhere (e.g. Mickwitz et al. 2009) and question our ability to manage complexity and multiple perspectives: any foray outside our specialist areas obliges us to muddle through, learn by doing, and adaptively manage. Indeed, this is at the very heart of what SPIs seek to do: they are forums in which experts are obliged to leave their comfort zones, and call for behaviours, arguments and communication techniques that are different from those adapted to the boardroom, policy committee or science lab. Making such issues explicit for discussion and reflection in SPI-processes is already an important step and a worthwhile challenge. 123 Biodivers Conserv Discussion: SPIs as dynamic learning environments This unique synthesis of 10 cases highlights that effective environmental SPIs—those that are likely to produce learning and behavioural change to support conservation goals—are those that foster a dynamic and iterative approach to communication and argumentation. This general finding echoes studies of initiatives to improve communication for other sectors (Nutley et al. 2010) and thus reflects the established long-standing understandings and recommendations made by scholars of knowledge use (e.g. Nutley et al. 2007) and science and technology studies (e.g. Whatmore 2009). The argument that SPIs should build on an iterative and interactive model of communication and learning is thus unremarkable. It has already been observed that science-policy interactions based on the ‘linear knowledge transfer model often fail to influence policy makers’ or public behaviour (Watson 2005; Van Kerkhoff and Lebel 2006). When uncertainty is high and values are contested, as is often the case for biodiversity and conservation issues, SPIs will be more influential when they facilitate multi-way interaction processes (see Pielke 2007; van den Hove 2007). Despite this, our results show that the design of many SPIs, or the expectations of some of those participating in them, still conform with the linear framework of ‘knowledge’ speaking ‘truth’ to ‘power’ (Wynne et al. 2007). This model oversimplifies the blurred and complex relationships that determine SPIs’ influence on their target audiences (van Eeten 1999; Weingart 1999; Engels 2005; Owens et al. 2006; Lövbrand 2011). Whilst it may be of value for future work to explore why the expectations of the linear model still persist, we focus below on some of the practical requirements to inform the future design and improvement of SPIs for biodiversity conservation. Using feedback and audience input to build trust and enhance communication The test cases provided strong support for the roles of feedback in improving trust, future communication efforts, learning and impact (Table 10). Feedback or input from intended audiences is worth a great deal to SPIs. This is partly in terms of improving future work: in the Finnish NBSAPs, for example, external evaluation of the first round of work led to initiation of work on biodiversity indicators and subsequently ecosystem service indicators. In addition, anyone taking the time to contribute has clearly ‘bought in’ to the communication process. An additional example from SPIRAL research focused on the use of mapping software for integrating local and scientific knowledge in the context of ‘Deer Management Groups’, which helped to promote open discussions and built trust and engagement. More recently, the unprecedented response to the public consultation on the fitness check of the Nature Directives—over 500,000 responses—has had an important impact on the policy revision process. More effective still is seeking input on needs, desires and capabilities at the start of a process. As evidenced in seven test cases (Table 10), this can help to match outputs to needs, identify capacity constraints and areas of tension, and ensure expectations are managed in line with abilities. Full multi-directional communication is an ongoing and iterative process that results in co-production of outputs. In this model the knowledge ‘users’ become active participants at all stages of the SPI process. Engdahl and Lidskog (2014) note that current discussions on public trust, as well as on risk communication, have a restricted rationalistic bias in which the cognitive-reflexive aspect of trust is emphasized at the expense of its emotional aspect. They argue that rather, ‘‘trust is a modality of action that is relational, emotional, asymmetrical, and 123 Biodivers Conserv anticipatory.’’ This means that it grows not through information and knowledge uptake, but through emotional involvement and sense-making. Trust is built by clarity on objectives and positions, and the emotional satisfaction of genuine communication (both listening and being listened to). It is important therefore to adopt a genuine listening attitude early in any process, and to nurture participation by responding to and acting on information communicated. Contextualising knowledge to encourage learning To understand the full complexity of how knowledge is produced and used requires an understanding of how contextual and group interactions influence knowledge, capabilities, and/or world-views, subsequently influencing the decisions and behaviour of individuals and institutions, over time. Motivated reasoning suggests that individuals seek to avoid cognitive dissonance and are less likely to assimilate information if it is inconsistent with their existing knowledge and values, and they may choose to interpret arguments in a way that strengthens rather than dispels misconceptions (O’Brien 2013; Miller et al. 2006; Storksdieck et al. 2006; NRC 2009). People will also seek selective exposure to information that is consistent with or reinforcing their beliefs and values (Kastenmüller et al. 2010). Similarly, if a source is untrusted or seen as lacking credibility, people may choose to misinterpret information that does concur with their views, because they do not like the messenger. Such considerations underline the importance for SPIs to contextualise knowledge in ways that enable audiences to understand the relevance in the context of their problems, decisions and values (Maibach et al. 2008; Nisbet 2009, 2010). Different framings can help to combat cognitive and behavioural biases. Confirmation bias, for example, is lower among ‘collectivists’ than ‘individualists’ (with collectivists more likely to seek compromise and to engage in self-criticism) but for both groups, emphasising collective attributes (family, society) over individual ones can reduce confirmation bias (Kastenmüller et al. 2010). Rejection of science is especially associated with conservative political views and media use (Gauchat 2012; Hmielowski et al. 2013), but Lewandowsky et al. (2013) provide further nuance, reporting that free-market worldviews are strongly associated with rejection of scientific findings that have potential regulatory implications, but not necessarily of other scientific issues. This suggests that success of SPI communication of science may be partly dependent on associated proposed policy solutions and framings (see also Carmen et al., this issue). In the case studies, for example, the SCB is focused in a conservation biology paradigm that is widely shared with many actors in environmental science and conservation management communities. IPBES, on the other hand, is more focused on an ecosystem services paradigm, that is more controversial in conservation settings, but can be argued to enhance policy relevance at national/international scales. If people tend to (mis-)interpret information in such a way that it better matches their pre-existing views, this may provide a buffer allowing the same (objective) ‘message’ to appeal to a broader range of audiences. Indeed, many of the test cases showed SPIs making conscious efforts to appeal to broad audiences, through messages that were not too blunt or directive, having ‘something for everyone’ (Table 11). But this strategy also makes it harder to control what messages are transmitted. 123 Biodivers Conserv Fostering dynamic learning: iteration, replication and repetition There was support from three test cases for the ‘mere-exposure effect’ or familiarity principle that suggests that people tend to develop a preference for certain arguments merely because they are familiar with them (Table 11). This leads us to two specific facets of ‘iterativity’: replication of SPI functions, and repetition of messages. These are sometimes viewed as inefficiencies to be ironed out, especially by funders and in scientific circles where strong emphasis is placed on novelty and originality—though again, our empirical evidence is mixed here, with only two cases reporting this view from scientists, and two rejecting it (Table 11). But SPIs are engaged in social processes, and in particular learning processes, and operate within and between various institutional structures with codes, rules, histories, and traditions of thinking and acting that can result in significant inertia regarding learning and changing. The same applies to the individuals acting within them. If people actively resist exposure to information that does not accord with their mental models and world views, and seek out information that does conform, this could lead to self-selection bias in SPI audiences, flagged as a problem in three test cases (Table 11); repetition, replication and the use of multiple styles and forms of communication were seen as important strategies to combat such issues in seven of the test cases (Table 11). Hence, recognition of the necessarily dynamic nature of genuine multi-way communication institutions leads to a focus on tools for encouraging engagement and trust building, and use of iterative methods of repetition and replication of function. These techniques are in effect designed to create strong learning environments capable of overcoming cognitive biases and silo mentalities. Creating dissonance as part of dialogue in a supportive learning environment, for example, can be a valuable method of stimulating creative thinking and problem solving, in contrast to the defensive reactions triggered by dissonance in a non-consensual or threatening framing (Fischer et al. 2011). Effective learning environments lead to coproduction of knowledge, diversify ownership and stake in the SPI process, and increase the chance of influencing behaviour. Seven of the test cases stressed the importance of creating effective learning environments, and eight noted that knowledge users became active participants in the SPI processes. Seven reported that iteration resulted in coproduction of knowledge (Table 8). Active co-creation of context is more challenging and takes participants outside their comfort zones, but is ultimately more effective in fostering learning and behavioural change (Chateauraynaud 2004). A good example of iteration is provided by the long planning and implementation process for the WFD, which highlighted important information gaps and drove research to fill these, including a shift in emphasis from a focus on chemical standards and pollution to a more holistic understanding of aquatic ecology and the interaction between abiotic stressors and biotic responses (Kaika and Page 2003; Boeuf and Fritsch 2016). Messages also become more effective when repeated through different channels. TEEB has mainly summarized and reiterated previous research and findings, but has established effective communication with different audiences and co-constructing the findings with these audiences, reframing results in a series of different reports (TEEB for business, for local and regional policy, for national and international policy). A diversity of forms of interactions can also contribute to a more iterative approach and thus ultimately enhance effectiveness. 123 Biodivers Conserv Conclusions Like interdisciplinary research itself, the development of effective interdisciplinary SPIs requires conscious effort, time and resources for the development of interpersonal relationships and common understanding to enhance effective communication and successful collaboration between scientists and policy-makers (Nesshöver et al. 2013). The above results highlight key recommendations for SPIs to engender behaviour changes beneficial to biodiversity conservation, that all call for greater attention to dynamic and iterative aspects of communication. Building long-term credibility and trust, and creating learning environments, are important tools for overcoming silo mentalities and ensuring coproduction of knowledge, leading to effective science-policy communication. In order for both science and policy participants to get the most out of the process, an SPI should involve on-going opportunities for exchange and learning, throughout the policy and research processes. People working in SPIs need to remain conscious of these dynamic links, learn from them, and make use of them. At the same time, changes in institutional procedures and structures are required to encourage and enable the changes in individual behaviours. These can include, for example, making greater use of feedback processes and extended peer review, spending time on developing common language, building trust, and developing capacities to understand others’ positions, views, needs and constraints. Whilst these over-arching issues may seem both nebulous and obvious, they are often overlooked, and recognising them—and reflecting upon them—can be very useful, as shown by our test cases. Of course, there is no suggestion of any ‘one size fits all’ or ‘magic bullet’ solutions to the thorny issues of effective science-policy communication, and the specific details of which tools and processes work well and which do not will vary depending on context, participants and other factors. But the general issues, and the need to reflect on and resolve them in some way, will crop up time and again. It should also be stressed that a significant part of the challenge is itself dynamic in nature—the suggestions above are not for ‘one shot’ fixes, but rather for sustained change in day-to-day processes, and ongoing striving for improvement. Fostering genuinely effective environments for learning and coproduction of knowledge, and the relationships of mutual trust and understanding that underpin them, requires continuous effort. Further research is required to understand how these aspects interact with the contexts within which SPIs operate to shape the long-term evolution of SPIs; elements of behavioural and evolutionary ecology could bring interesting insights here. These are demonstrably difficult issues to address, develop and improve, and continued work is required to further our understanding of SPI success and ensure that science and policy work effectively together to meet the challenges of biodiversity loss. Acknowledgments We thank all the interviewees and participants who took part in this work. This research was supported by SPIRAL ‘‘Science Policy Interfaces for Biodiversity Research Action and Learning’’, an interdisciplinary research project funded under the European Community’s Seventh Framework Programme, contract number: 244035. References Assante M, Candela L, Castelli D, Manghi P, Pagano P (2015) Science 2.0 repositories: time for a change in scholarly communication. 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