fish populations

Willamette Winter Steelhead and Seals

New sea lion wrinkle in the Willamette River threatens sturgeon (Oregonian, 2/20/18)

To Save Steelhead, Oregon Trucks Sea Lions From Willamette Falls To The Coast (OPB, 2/20/18)

Willamette Falls pinniped monitoring project (annual) Oregon Department of Fish and Wildlife

Effect of sea lions on steelhead population

Oregon warns Willamette steelhead face extinction if sea lions’ feast continues (Oregonian, 8/7/2017)

Report: Sea lions push Willamette River steelhead to brink of extinction (Statesman Journal, 8/7/2017)

ODFW report: Sea lions pushing native Willamette River steelhead toward extinction (Register Guard, 8/7/2017)

Population viability of Willamette River winter steelhead: an assessment of the effect of sea lions at Willamette Falls (2017) Oregon Department of Fish and Wildlife

Oregon chub off endangered species list

Oregon chub becomes first fish to leave endangered species list (Oregonian, 2/16/2015)

Oregon minnow is first fish taken off endangered list (Oregonian, 2/17/2015)

endangeredSpeciesRare, threatened and endangered species of Oregon (serial) Portland State University, Oregon Biodiversity Information Center

Salmon monitoring

Oregon biologists wade miles of streams to count salmon, dead or alive (Daily Astorian, 11/30/2014)

cohoStatusStatus of Oregon stocks of coho salmon (annual) Oregon Department of Fish and Wildlife, Oregon Adult Salmonid Inventory & Sampling Project

salmonSurveySalmon spawning survey procedures manual (annual) Oregon Department of Fish and Wildlife, Oregon Adult Salmonid Inventory & Sampling Project