Table of contents

Northern Pike Minnow Predation 2007

Project Objectives

Slide 3

Population Estimate Methodology Change

Statistical Format Used

Fin Clip on Dorsal

What factors can effect recapture and capture for population estimate?

Environmental and Biological Factors include:

Estimated Adult Passage 07

Comparison of current water year with previous and average water years at Parker.

River Flow at Parker dam (Sunnyside dam)

River Flow near Prosser

Consumption data

Equation for consumption (Diana 1979)

Removal and storage of stomach contents.

Analysis of contents via stained hard structures

Identification to species

2007 Stomach Contents

2007 Juvenile Passage Data

Conclusions

References

Acknowledgements

Questions

Author: Dave Fast

E-mail: fast@yakama.com