The effects of domestication on predation vulnerability

Background

Literature

Berejikian (1995): Offspring of wild parents had 12% higher survival than offspring of 1st to 7th generation hatchery steelhead fry when faced with sculpin predators.

Slide 5

Methods

Naches

8 - 3m x 2.4m x 1.5m 3mm mesh net pens in a raceway were stocked with 2 rainbow trout and 2 torrent sculpins

At end of each trail survivors were recovered and enumerated

Results

What does this mean?

Slide 12

Preliminary Evidence?

Slide 14

Acknowledgements