In the Pacific Northwest, there are currently 18 evolutionarily significant units (ESUs) or
distinct population segments (DPSes) of Pacific salmon and steelhead listed as threatened …

Large dam removal is being used to restore river systems, but questions remain regarding
their outcomes. We examine how the removal of two large dams in the Elwha River, coupled …

Understanding ecosystem drivers of fish stock performance is essential to improving
conservation and management. We used a hypothesis-driven approach to identify potential …

Species with complex life cycles, such as anadromous fish that perform spawning migrations
between freshwater and the ocean, may be particularly sensitive to global change because …

Abstract Objective In the Pacific Northwest (USA), Pacific salmon Oncorhynchus spp.
populations have been declining significantly for decades, prompting stakeholders to …

We analyzed multiple historical data sources (circa 1948–1960) to estimate migration timing
and abundance of Olympic Peninsula winter steelhead Oncorhynchus mykiss in the …

Objective To maximize harvest of hatchery steelhead Oncorhynchus mykiss and Pacific
salmon Oncorhynchus spp. while reducing impacts to wild conspecifics, fishery managers …

Given the cultural, economic, and ecological significance of steelhead, Oncorhynchus
mykiss, population declines of the species along Washington's Pacific coast and associated …

In response to a petition to the Secretary of Commerce to list the Olympic Peninsula (OP)
Steelhead (Oncorhynchus mykiss) Distinct Population Segment (DPS) as a threatened or …

Effective management of fish populations in inland waters requires, at the most fundamental
level, a basic understanding of population abundance. This is especially important for …