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"Southwest Fisheries Ecology News"

Southwest Fisheries Ecology News Results

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California Salmon Deaths Linked to Thiamine Deficiency

Something was killing baby salmon. Scientists traced it to a food-web mystery
January 26, 2021 - Feature Story ,
West Coast

Endangered Coho Salmon Released into Pescadero Creek

The release of thousands of juvenile Central California Coast coho salmon in a coastal creek north of Santa Cruz will boost the chances of recovering this endangered fish.
January 08, 2021 - Feature Story ,
West Coast
People removing juvenile Chinook from a tank in the back of a pickup truck Transportation and unloading of juvenile CCC coho salmon from the hatchery to an area located near Pescadero Creek. Photo: San Mateo Resource Conservation District

Small Genetic Difference Determines Chinook Salmon Migration Timing, New Study Shows

Klamath River findings inform salmon conservation and recovery.
October 29, 2020 - Feature Story ,
West Coast
Klamath River from the air The Klamath River reaches the ocean in Northern California. It was once the third-largest salmon river on the West Coast. Photo by Thomas Dunklin.

Researchers Probe Deaths of Central Valley Chinook, with Possible Ties to Ocean Changes

Deficiency in Vitamin B1 linked to higher juvenile mortality in California fish hatcheries.
October 28, 2020 - Feature Story ,
West Coast
Chinook Fry Offspring of endangered female winter-run Sacramento River Chinook salmon that had been injected with thiamine on their return to the Livingston Stone National Fish Hatchery. Biologists brought them to UC Davis as embryos and then examined them to tell if the fish that received supplemental thiamine injections produced healthier offspring. Photo by Heather Bell/UC Davis.

The Natural Portfolio: Spring-run Chinook Salmon - Essential to Life History Diversity

The value of spring-run Chinook salmon is more than just sustenance for tribes.
May 08, 2020 - Feature Story ,
West Coast

Spinal Deformities in Sacramento-San Joaquin Delta Fish Linked to Toxic Mineral Selenium, New Research Shows

Ear bones of fish revealed “diary of selenium exposure” that was key to unraveling the mystery.
February 24, 2020 - Feature Story ,
West Coast
Hand holding small fish with deformed spine

“Blob” Research Reveals Environmental Effects That Shut Down Fishing and Hiked Whale Entanglements

Unprecedented ecological changes inspire new online tools to better spot them next time.
January 27, 2020 - Feature Story ,
West Coast
Humpback whales commonly lunge out of the water in pursuit of prey. Credit: John Calambokidis/Cascadia Research Collective.

eDNA Expands Species Surveys to Capture a More Complete Picture

Casting a genetic net, eDNA identified more marine vertebrates than traditional surveys but has its limits.
December 19, 2019 - Feature Story ,
West Coast
scientists lower eDNA sampling bottles Collin Closek Stanford U.JPG

Salmon Lose Diversity in Managed Rivers, Reducing Resilience to Environmental Change

Natural resilience is more important than ever in the face of unprecedented climate change.
December 05, 2019 - Feature Story ,
West Coast
Smolt in hand

Research Cruise to Survey Deep-Sea Corals, Sponges, and Fish Habitat Along the West Coast

Live video feed from underwater submersible allows anyone to virtually join the expedition.
October 07, 2019 - Feature Story ,
West Coast
lizclarke.nwfsc.jpg