Lower Yakima River Eutrophication Study: Year Three Update Presentation to Yakima Basin Science and Management Conference
Lower Yakima River
Eutrophication Study:
Year Three Update
Presentation to Yakima Basin Science
and Management Conference
Outline
Study Partners, Objectives
Work in Progress
Slide 5
2004 Results from 10 Reaches:
Three Very Different River Segments
Water quality: similar results to 04 but much stronger data set (continuous data at 3 sites from March to Oct):
Slide 8
2006
Kiona Plant Biomass Results
Slide 11
Slide 12
Why Did Sustained Flows
Decrease Biomass?
Decreased Maximum Depth of Plant Colonization
Results of Decreased Plants
Slide 16
Zillah Reach Algae
Slide 18
Slide 19
Is N or P Limiting?
Conclusions
Slide 22
Contacts: