Framework modeling of ecotype production for a sympatric population of anadromous and resident O. mykiss: Yakima River, Washington

Yakima River Summer Run Steelhead

Slide 3

Upper Yakima River Steelhead demographics

Presentation Outline

Modeling Objectives

What is a sympatric population of resident and anadromous O.mykiss?

Determinants of anadromy and residency:

O.mykiss Life Cycle Model synopsis

Ecotype specific fecundity estimates

O.mykiss Life Cycle Model synopsis

Development of freshwater recruitment curves

O.mykiss Life Cycle Model synopsis

Sympatric O. mykiss model: pilot run

Sympatric O. mykiss model: pilot run

Future direction and model revisions

Acknowledgements: