Table of contents

Slide 1

THE ROLE OF SALMON CARCASSES AN ALTERNATE INTERPRETATION

An Early Report on Salmon Carcasses

Salmon (genus Oncorhynchus)

Cederholm, et al.:

Slide 6

First Concern

Adult Salmon Migration

Adult & Juvenile Salmon

Hypothetical Example (>1 year in freshwater)

Hypothetical Example (<1 year in freshwater)

Mixing of Nitrogen Isotopes

Mixing Is Not Proof of Addition

Comparison of Models

Fluxes To Be Considered Natural

Fluxes Including Anthropogenic Impacts

Nutrient Fluxes

Nutrient Loadings

Nutrient Inputs

Juvenile Production

Juvenile Nutrition

Summary

Interpretation

Interpretation (continued)

Additional Implications

Potential Consequences of Applying the Wrong Model

Slide 27

Slide 28

Distinguishing Between Restoration and Aquaculture

Restoration versus Aquaculture

Needs

The ecology associated with spawning salmon needs to be understood in greater detail.

Suggestions (if salmon carcass placement is to continue):

Comment:

Slide 35

Author: Dave Fast

E-mail: fast@yakama.com