50 Years of Environmental Data Can Predict Health and Strandings of Sea Lions Pups in California

Scientists use decades of research to make connections between environmental conditions and malnourished sea lions pups along the California coast.

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A man and a woman stand chest deep in muddy brown water, surrounded by grasses looking at sediment they’ve pulled from the bottom of the marsh in a net and metal box. Coastal Ecologists Erin Kiskaddon and Jacob Oster sift through the marsh’s sediment, collecting key species to monitor the health of the newly created wetland habitat. Credit: The Water Institute
Adult CCC coho spawning at Neefus Gulch. Trout Unlimited removed a fish passage barrier at this location with NOAA funding in 2024. Credit: Christie Hemm Klok/Trout Unlimited Adult CCC coho spawning at Neefus Gulch. Trout Unlimited removed a fish passage barrier at this location with NOAA funding in 2024. Credit: Christie Hemm Klok/Trout Unlimited
Image of Pacific cod resting on the seafloor Pacific cod in Alaska waters. Credit: NOAA Fisheries.
Jennifer Quan of NOAA Fisheries speaking with Adam Nickels and Eugenio Piñeiro Soler in a tiled corridor, while others listen nearby. From left, Eugenio Piñeiro Soler, Assistant Administrator of NOAA Fisheries; Adam Nickels, U.S. Bureau of Reclamation Acting Regional Director; and Jennifer Quan, Regional Administrator of NOAA Fisheries West Coast Region; during a February visit to Shasta Dam. Photo courtesy U.S. Bureau of Reclamation.
A view of oyster embryos under a microscope. Cleavage-stage oyster embryos. Credit: NOAA Fisheries