1. WFD Marine Plants Group Making the tools work in Milford Haven

3. Classifying using the Phytoplankton tool kit

5. Final Classifications

6. Milford Haven: Using the tools in combination

7. © Crown Copyright. All rights reserved. Environment Agency, 100026380, 2004. UK TAG Typology work in progress 12/03

11. Milford Haven Historical data

13. Example of survey Abundance: areal cover & density

14. 50-70% Apparent Coverage:1 most sub areas <25% cover:2 most algae wet weight <1g:4 no biological disturbance:4 Mean:2.75 Classification:Good

15. 94 High 33 Mod 54 Good Increasing:High 65 Good 54 Good Green Macro: Good S.TownsendiPoor Green Macro Absent: High Phytoplankton, nuts & turbidity: High/Good

16. Algal Blooms and Chlorophyll n 3 HABS Groups –Group 1 - Potential to impact on human health n n Dinophysis acuta (DSP), Dinophysis acuminata (DSP), Alexandrium tamarense (PSP), Alexandrium minutum (PSP), Protoperidinium crassipes/curtipes (AZP) and Pseudo-nitzshia spp. (ASP) – –Group 2 - Potential to impact on marine fauna n n Karenia mikimotoi, Prorocentrum balticum, Heterosigma akashiwo, Noctiluca scintillans and large Chaetoceros species such as C. convolutus – –Group 3 - Eutrophication indicators & over 10 5 cells n n eg Phaeocystis – –NB G2 split on database to separate toxic and nuisance

17. HABs and Chlorophyll n Base Chlorophyll Criterion on salinity:

18. ABs and Chlorophyll Examples

19. ABs Year by Year

20. ABs Keep on Running 5 year %

21. ABs Final Classification