South Atlantic hub 4 UK Overseas Territories Continuous discoveries of unique species add to necessary knowledge on diverse biodiversity and in remote habitats: Research crucial to guide protection Ecosystem profile for the South Atlantic overseas region Maria Taylor SAERI (South Atlantic Environmental Research Institute) Context Regional economic development trend • Stable for FKL & ASI, variable for STH & TDC • Population: Low, <8,500 people across all 4 territories Environmental trends • Highly impacted by invasive species (~934 species) and climatic change Challenges faced • Remote areas which are difficult and expensive to access • Often lack of understanding about the region from outside organisations and bodies © Maria Taylor © Emily Hancox South Atlantic Hub © Maria Taylor Biological importance of the region • Four highly diverse island ecosystems spanning the South Atlantic ocean • Range from cool-temperate to warm-tropical systems GDP (%) 2015-2016 © Megan Tierney Falkland Islands St Helena Ascension Tristan da Island Cunha Fisheries 34% N/A N/A* 11% Tourism ~5% 47% N/A 5% Agriculture 2% N/A N/A N/A Other (Inc. 59% 53% 100% 84% Development aid, Military) © Maria Taylor * Fisheries are temporarily closed South Atlantic Hub Biological importance of the region St Helena marine inshore ecosystem – Local community reliant on it for: • Food: ~62,000kg/year consumed • Tourism: developing for whale sharks and humpback whales • Fisheries export: 2011/12 = 643,000kg exported; 2013/14 = 0kg exported © Judith Brown Falkland Islands – Squid species • 2 species, Illex argentinus and Loligo gahi (left) • Licenses sold to harvest these species generate £10-30 million per annum © SMSG South Atlantic Hub Existing biodiversity • Total of 780 species to date = >50% of all UK OT endemics 600 • Total number of endemics unknown – lack of baseline data 400 • 15% threatened, set to rise to 54% • 24 endemic species to be declared extinct in St Helena Number of known endemics across the South Atlantic 500 Endemic 300 200 Predicted threatened 100 Threatened 0 Ascension St Helena Tristan da Island Cunha © David Pryce © Andrew Darlow © RBG Kew South Atlantic Hub Falkland Islands © D. Fox Existing biodiversity • Value of natural environment recognised across the region • Almost all economies reliant on environmental resources • Majority of territories terrestrial areas have some protection 52% (excluding FKL) • Lack of marine environment baseline data and funding generally low levels of protection and management © Pete Convey © Brian Gratwicke © SMSG South Atlantic Hub © Judith Brown © Amelie Auge Threats and pressures on biodiversity Some common threats between all regional territories: - Climate change - Invasive Alien Species (~934 sp.) - Illegal fishing - Biosecurity - Resource management Some threats being tackled are territory specific: - Falkland Islands developing offshore oil and gas industry - St Helena’s new airport development However, there are NO long term financial management plans in place to deal with these threats © St Helena Gov. South Atlantic Hub Threats and pressures on biodiversity Percentage perception of severity (%) Top 3 perceived future threats by expert stakeholders within the Falkland Islands 100 95 • Invasive species and climate change among the top perceived future threats for all territories • Lack of baseline knowledge is a hindrance to conducting meaningful environmental work 90 85 80 75 Invasive alien species Shipping lanes Habitat shifting Oil & gas & alteration exploration and development • Exacerbating threats: lack of long-term project funding South Atlantic Hub Threats and pressures on biodiversity Threatened invertebrates of St Helena: Each square represents one of the 416 invertebrate species This threat evaluation has been done against the IUCN Red List and is pending submission for full status = Extinct = Critical – Possibly Extinct = Critical = Endangered = Vulnerable = Near Threatened South Atlantic Hub Key Biodiversity Areas (KBAs) – Falkland Islands Map of identified KBAs (to date) and existing PAs • 60 KBAs to date: based on existing identified areas *These KBAs are still subject to change through consultation and newly acquired data South Atlantic Hub KBAs – St Helena Map of identified KBAs (to date) and existing PAs • 75 KBAs to date • Ongoing consultations • Newly completed Red List for plants due to be used in the prioritisation • Marine KBAs due, pending acquisition of data *These KBAs are still subject to change through consultation and newly acquired data South Atlantic Hub KBAs – Ascension Island Map of identified KBAs (to date) and existing PAs • 19 KBAs to date • Biodiversity database compilation ongoing • To be completed by the end of 2015 and added to the already identified KBAs • Consultations for KBA prioritization ongoing *These KBAs are still subject to change through consultation and newly acquired data South Atlantic Hub Current conservation activities Tristan da Cunha: Removal of invasive carnivorous mouse population on Gough Island © Ross Wanless • House mice feed on the endemic Tristan Albatross [CR] • Identified by the RSPB as the top priority for action Ascension Island: Ascension Island Marine Sustainability (AIMS) project • Increasing Ascensions marine biodiversity knowledge and fisheries science capacity • Developing a Biodiversity Action Plan for marine taxa © SMSG South Atlantic Hub Current investments in conservation EU Level Regional Level Local Level None, except BEST Darwin Plus grants - UK OT’s heavily reliant on this funding • • Local governments are invested in environmental work BUT majority of staff externally funded Only 50% of the territories have NGOs based on them Darwin Plus has invested >£5 million in the South Atlantic territories over 17 years Ongoing externally funded projects (past) - Darwin Plus and OTEP Falkland Islands Ascension Island St Helena Tristan da Cunha Terrestrial 2 (8) 1 (1) 3 (12) - (1) Marine 1 (4) 1 (3) 1 (3) 1 (4) Cross-territory 1 (4) 1 (2) - - (3) Other 1 (4) - (1) 1 (2) - (1) South Atlantic Hub Current investments in conservation St Helena: Securing St Helena’s rare cloud forest flora & invertebrates • Relevance: <1km2 supports 119 endemic plant and invertebrate species that aren’t found anywhere else on the island • Problem: Risk to be completely lost in the next 5 years • Aim/solution: Restore keystone endemic tree species and create seed collections • Investment: >£630,000 external funds currently invested in multiple ongoing projects © Maria Taylor South Atlantic Hub © Judith Brown Critical areas for action & investment needs Invasive species control & Biosecurity © Phil Lambdon © EPD • Invasive species: New Zealand flax (STH), the European earwig (FKL) and rodents (ALL) • Highly sensitive and vulnerable endemic species: He Cabbage tree (STH), Cobb’s wren (FKL), Tristan Albatross (TDC) • Without adequate investment could result in widespread loss of species Climate change impact assessments • Climate change impacts relatively unknown for most the region • Island systems highly susceptible to effects, like sea level rise • Lack of current funding throughout the region South Atlantic Hub © Maria Taylor Critical areas for action & investment needs Existing Government conservation investment 2015/2016: 800000 - External Funding 700000 - Government Funding 600000 This is the current level of investment when the region is majorly lacking in baseline knowledge Amount (£) 500000 400000 300000 200000 100000 0 St Helena Ascension Island Falkland Islands Tristan da Cunha E.g. lack of comprehensive list of species, habitat maps, marine biodiversity knowledge South Atlantic Hub Priorities & investment niches BASELINE DATA COLLECTION Need to know what you have before you can protect it Invasive species eradication Inevitable loss of species in the next 5 years if no action is taken Understanding impacts of a changing climate Currently few studies, unknown how the majority of endemics will respond South Atlantic Hub Priorities & investment niches Surveying of habitats, especially marine environment, to better inform action and management plans Eradication/control of invasive plants and small mammals crucial on all islands Appropriate and enforced biosecurity measures Terrestrial habitat restoration South Atlantic Hub South Atlantic Hub Contact us in the South Atlantic hub Paul BRICKLE Megan TIERNEY Maria TAYLOR BEST III South Atlantic Hub Coordinator BEST III South Atlantic Hub Expert BEST III South Atlantic Hub Ecosystem Profile Expert [email protected] [email protected] [email protected] South Atlantic Environmental Reserach Institute (SAERI) http://www.south-atlantic-research.org/ Link to online ecosystem profile platform: http://ec.europa.eu/environment/nature/biodiversity/best/regions/south_atla ntic_en.htm
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