Eutrophication Assessment Guide: Part 1
TABLE OF CONTENTS
Part 1 Introduction to Catchment-Scale Eutrophication Assessments
1
Introduction
1.1
Background to the study
1.2
Aims of the project
1.3
Description of the output products
1.4
Target audience of this guide document
1.5
Development philosophy of the Guide
1.6
Layout of the Guide document
2
Introduction to eutrophication
2.1
Introduction and problem statement
2.2
Eutrophication status and trends in South Africa
2.3
Causes of Eutrophication
2.4
Impacts and consequences of Eutrophication
2.5
Options to manage Eutrophication
4
4
7
8
9
10
3
Introduction to catchment eutrophication assessment
3.1
Introduction to catchment management
3.2
Introduction to catchment assessment studies
3.3
Eutrophication assessment as a component of a catchment
assessment study
3.4
Eutrophication assessment as a discrete study
12
12
14
14
15
Introduction to Catchment-scale eutrophication assessment guide (Part 2 of
this document)
4.1
Introduction
4.2
Primary management questions and assessment tasks
16
16
16
5
Nutrient Enrichment Assessment Protocol (NEAP)
5.1
What is NEAP?
5.2
The NEAP Development philosophy
5.3
What is nutrient enrichment?
5.4
Why focus on phosphorus?
5.5
Where does phosphorus come from?
5.5.1
Is nutrient enrichment the sole cause of eutrophication?
5.5.2
Trophic state
5.5.3
Lakes vs. reservoirs
5.6
What is NEAPs level of resolution?
5.7
Introduction to the model base of NEAP
5.8
Features of NEAP
5.9
User understanding of eutrophication
21
21
21
21
22
22
22
22
23
24
24
25
26
6
Introduction to the Eutrophication Assessment Training Material
6.1
Introduction
6.2
Target audience
6.3
Guiding principles in developing the training material
6.4
Outline of two eutrophication assessment short courses
27
27
27
27
27
4
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1
1
1
2
3
3
3
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Eutrophication Assessment Guide: Part 1
6.4.1
Introduction
6.4.2
An introduction to eutrophication assessment
6.4.3
A catchment eutrophication assessment protocol
Inventory of Eutrophication Assessment training material
Concluding remarks on the building of eutrophication assessment
capacity
27
28
30
31
Conclusions, recommendations and Capacity Building initiatives
7.1
Conclusions and recommendations: Catchment Eutrophication
Assessment Guide
7.2
Conclusions and recommendations: NEAP (Nutrient Enrichment
Assessment Protocol)
7.3
Conclusions and recommendations: Eutrophication assessment
training course outline and material
7.4
Capacity building initiatives
7.4.1
Support for tertiary student training
7.4.2
Presentations at workshops and conferences
33
6.5
6.6
7
8
Part 2
References for Part 1 of the Guide document
32
33
33
34
34
34
35
36
A Guide to Conduct Catchment Scale Eutrophication Assessments for
Rivers, Reservoirs and Lacustrine Wetlands
COMPONENT 0
45
Inception Summary of Existing Understanding, Knowledge and Past Studies with
Regard to Eutrophication Related Water Quality in the Catchment
45
COMPONENT 1
48
Details of Physical, Developmental and Administrative Attributes and Characteristics
of the Catchment Relevant to the Assessment of the Eutrophication Status
48
COMPONENT 2
54
Requirements of the National Water Resource Strategy and Resource Directed
Measures with regard to Nutrient Management
54
COMPONENT 3
59
Water Use and Conservation related to Eutrophication Assessment
59
COMPONENT 4
61
Overview of Adequacy of Water Availability
61
COMPONENT 5
63
Water Quality Requirements, and Constituents of Concern related to Eutrophication
63
COMPONENT 6
70
Eutrophication Related Water Quality for Streamflow, Reservoirs and Wetlands
70
COMPONENT 7
80
Point Source Waste Discharges and Source Characteristics related to Eutrophication
80
COMPONENT 8
86
Non-Point Source Water Quality Loadings and Impacts related to Eutrophication
86
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