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Meet Katrina Poremba, Fish Biologist for Water Operations and Delta Consultations

Katrina works on Endangered Species Act Section 7 consultations for Sacramento Valley's waterways. Consultations are the way we make sure federal projects do not jeopardize salmon and steelhead populations.
March 03, 2022 - Feature Story ,
West Coast
Woman conducting water monitoring samples, turbidity, depth, and temperature on multiple creeks that flow into the Columbia River Conducting water monitoring samples, turbidity, depth, and temperature on multiple creeks that flow into the Columbia River, for the Lower Columbia Estuary Partnership. Credit: Katrina Poremba/NOAA Fisheries

Survivor Salmon That Withstand Drought And Ocean Warming Provide A Lifeline For California Chinook

NOAA Fisheries recovery goals include reintroduction to save the late-migrating fish.
October 28, 2021 - Feature Story ,
West Coast
Salmon placed on ruler, measuring approximately 130mm A late-migrating spring run Chinook salmon from one of the few Northern California creeks that remain without dams. Credit: Jeremy Notch/UC Santa Cruz.

Shasta River Habitat Restoration Builds Salmon’s Resilience to Rising Temperatures

A NOAA-supported project in California restores high-quality, cold-water habitat for salmon, boosting their resilience to rising temperatures due to climate change.
July 21, 2021 - Feature Story ,
West Coast
Two people in construction hats and vests working in a field in front of a piece of heavy machinery Fence installation along a tributary of the Shasta River. Credit: Erika Nortemann.

Continuing Species in the Spotlight Initiative Empowers NOAA Fisheries' Endangered Species Conservation Efforts

NOAA Fisheries releases new five-year action plans to continue the momentum to save nine critically endangered species.
April 21, 2021 - Feature Story ,
Alaska
New England/Mid-Atlantic
Pacific Islands
West Coast
National
Large black and white sea turtle swims in the blue ocean with yellow and black striped fish The Pacific leatherback sea turtles have existed in their current form without scales and a hard shell since the age of the dinosaurs, but threats from bycatch, egg harvesting, and degradation of nesting habit have made this species endangered. Photo credit Jason Isley, Scubazoo.

Warming Ocean Will Challenge Snake River Salmon Survival in Coming Decades, New Research Shows

Even large populations may face a high risk of extinction by the 2060s.
February 18, 2021 - Feature Story ,
West Coast
chinook salmon

Protecting the Critical Value of Nearshore Habitat

NOAA Fisheries asks project proponents to avoid further loss of key salmon habitat.
November 10, 2020 - Feature Story ,
West Coast
Panoramic view of tidal estuary Nearshore waters in the tidal estuary where the Nisqually River enters Puget Sound.

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.

Endangered Winter-run Chinook Salmon Increase with Millions of Offspring Headed to Sea

Conservation hatchery helps species weather difficult drought years.
December 06, 2019 - Feature Story ,
West Coast
livingston stone hatchery USFWS win run chinook 2.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