Category: Salmon

Category to track technical reports for salmon

Edmonds Stream Inventory and Assessment

July 29, 2002
Pentec Environmental

The attached report was prepared for the City of Edmonds to establish baseline information on stream conditions in order to support work toward meeting National Pollutant Discharge Elimination System (NPDES) permit and ESA requirements. This report covers all of the appropriate significant streams under the City’s jurisdiction.

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Juvenile salmonids traverse coastal meta-nurseries that connect rivers via the sea

Stuart H Munsch1*, Todd R Bennett2, Jimmy Faukner3, Madison J Halloran4, Karrie M Hanson2, Martin C Liermann2, Michael L McHenry 5, John R McMillan6, Raymond E Moses5, Bob Pagliuco7, George R Pess2, Katherine R Stonecypher4, and Darren M Ward4

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Baby salmon head out to sea. Then they do something unexpected, new research shows

April 30, 2025
By Lynda V. Mapes
Seattle Times environment reporter

Link to Seattle Times article

Coho salmon smolts are collected in a fish trap as researchers assess local salmon populations in an Olympic Peninsula stream. (Karrie Hanson)
Coho salmon smolts are collected in a fish trap as researchers assess local salmon populations in an Olympic Peninsula stream. (Karrie Hanson)

Who knew that baby salmon were such explorers?

The long-held understanding that baby salmon emerge from the streams where they hatched to head out to sea actually is missing a far more complex story — and a far more interesting one, scientists explain in a new paper.

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Washington Lawmakers Introduce Bill To Ask DC For Marine Mammal Act Modifications

By Andy Walgamott  
Northwest Sportsman
February 4, 2025

A bipartisan group of Washington legislators has filed a bill in Olympia asking Congress and the Trump Administration to modify the Marine Mammal Protection Act to allow lethal removals of sea lions and harbor seals and other actions in more of the state to save ESA-listed Chinook and other salmon populations.

A HARBOR SEAL SWIMS IN THE COLUMBIA RIVER. (ODFW)
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Saving Washington’s salmon from toxic tire dust

Department of Ecology
January 25, 2023

We are taking action to reduce 6PPD-quinone, a chemical that is deadly to coho salmon

For over 20 years, scientists faced a toxic mystery: coho salmon returning to urban streams and rivers in the Puget Sound region were dying before they could lay their eggs. The culprit was unknown, but it seemed linked to  toxic chemicals running off our roads and highways. 

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