Table of contents

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

Slide 7

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:

Author: Huffman Paul

E-mail: huffmanp@yakama.com