1. Ana Cristina Cardoso & Mark Dowell
Case Studies for the Eutrophication Activity Guidance Chapter 8
Ana Cristina Cardoso & Mark Dowell

2. Case Studies - Objectives
To provide empirical confirmation of the conceptual framework and the subsequent implementation of this in the context of assessment
To performance this exercise across water categories and ecoregions

3. Selection Criteria Specific Criteria:
There should be local representative eager to be involved in the process and do the work (dataset, analysis, reporting)
Existing routine monitoring program
Substantial (min. 5 years) monitoring dataset
Seasonally comprehensive dataset (min. 4 measurements per year)
Existing activities for Eutrophication assessment
Existing "local" opinion on Eutrophication

4. Selection Criteria (contd.)
Global Criteria:
Should be adequately distributed across water categories
Should be geographically comprehensive
Should be representative of different ecoregions & WFD typology

5. Case Studies - Marine/Trans.
9 - Marine + transitional water bodies

6. Case Studies - Lake/Rivers
16 - lakes + rivers

7. Case Study Workshop 19-20 January 2006
Synthesis
Fill in Tables, summary of template content
Trace eutrophication process studies through conceptual framework & holistic checklist
Confirm process with present classification approach
Documents
Discuss and agree on format and content of Guidance document Chapter
Discuss mongraph: common format, EUR report, DG ENV publication, book
3 tables:
Primary and secondary effects
Classification methodology
Loads

9. Tagus River estuary
The current Conceptual Framework of Eutrophication Is based in the OSPAR CF through a process to make it more generic and taking into consideration the WFD requirements and terminologies
It includes results from discussions held at: a joint workshop on Marine Assessment and Monitoring with emphasis on eutrophication. JRC, Black Sea Commission and Helsinki Commission (Istanbul, Turkey, April 2004) and in the Eutrophication Workshop on a Common Assessment Methodology. JRC (Ispra, September 2004).
THIS DIAGRAM REPRESENTS THE EUTROPHICATION PROCESS AND ECOLOGICAL IMPACTS THAT MAY ARISE FROM NUTRIENT ENTRICHMENT
From the conceptual framework we plan to arrive to a common assessment of eutrophication taking into consideration the specific WFD requirements: The conceptual framework provides us with means of identifying the critical processes specific to different water categories. To provide a link with type specific assessments (i.e. determination of reference conditions and classification) holistic checklists need to be derived for different water categories highlighting the critical processes and the biological/ physico-chemical parameters under the headings of causative factors, primary or direct effects and secondary or indirect effects. The level of detail to be included in the checklists reflect the specificity of the eutropication process in the different water categories.

10. Scheldt Estuary

11. “Umbrella” Critical Pathways
The Marine WG identified, from the analysis of critical pathway flowcharts for all of the Case Studies, two overarching groupings representing the Eutrophication process:
The first is the “traditional” nutrient - productivity - oxygen deficiency pathway
The second represents the imbalance in nutrient stoichiometry resulting in change in the phytoplankton population giving rise to anomalous/toxic blooms etc
This second grouping justifies the need for biological element measurements in classifying waters for Eutrophication at European scale

12. Timeline (tentative)
10 March - Request to case study contact persons for submission case study in ‘Eutrophication Guidance format’ plus tables compiled in the workshop and complete more extensive case study reports (not applicable to all but only for those that had submitted only incomplete case study)
End April - return all requested information to JRC
15 May - Draft Chapter 8 sent to case study contact person for comments/amendments/ further clarification
End May return comments to JRC
End July final draft version of Chapter 8

13. Thank You!