Delta science

NOAA FISHERIES: Anchovy dominated diets off the West Coast pose new dangers for salmon

NOAA Fisheries

Delta scienceFish and wildlife

June 26, 2025

Lack of key vitamin turns fatal for as many as half of salmon offspring. By NOAA Fisheries A vitamin deficiency...

USGS: A review of sediment transport across a natural tidal salt marsh in Northern San Francisco Bay

USGS

Delta scienceEcosystems

June 26, 2025

By the USGS Coastal and Marine Hazards and Resources Program Tidal salt marshes—vital ecosystems that protect coastlines, remove excess nutrients and...

SAN FRANCISCO ESTUARY & WATERSHED SCIENCE: The State of Bay-Delta Science 2025, part 1

San Francisco Estuary and Watershed Science

Delta science

April 1, 2025

From the latest issue of the San Francisco Estuary and Watershed Science: The State of Bay–Delta Science: An Introduction to...

NOTEBOOK FEATURE: Fire and water: How cultural burns boost streamflows

Robin Meadows

Delta scienceEcosystemsNotebook News and Features

January 16, 2025

By Robin Meadows On a mild November day in California’s Sacramento Valley, Diana Almendariz ignites a clump of dry grass...

DELTA COUNCIL: Tackling Delta CHABs: A community-driven monitoring strategy

Maven

Delta scienceWater quality

January 8, 2025

Cyanobacteria harmful algal blooms (CHABs) have long been a persistent water quality issue in the Delta, affecting ecosystems and public...

DELTA SCIENCE PLAN update: Crafting solutions for the Delta’s ‘Grand Challenges’

Maven

Delta science

January 7, 2025

Join the Discussion: A 2-Day workshop in February to shape the 2025 Delta Science Plan The Delta Science Program is...

NOTEBOOK FEATURE: Seizing a rare chance to keep tidal marsh ahead of sea level rise in the San Francisco Bay

Robin Meadows

Delta scienceEcosystemsNotebook News and Features

December 17, 2024

By Robin Meadows The San Pablo Bay National Wildlife Refuge, which hugs the northern arc of the San Francisco Bay,...

BERKELEY LAB: Sequencing the mysterious microbes of the San Francisco Estuary

Berkeley Lab

Delta science

December 17, 2024

By decoding the genomes of microbes found in the Sacramento-San Joaquin River Delta, researcher Lauren Lui aims to fill in...

NOTEBOOK FEATURE: Save the peat, save the planet, save the Delta?

John Hart

Delta scienceEcosystemsNotebook News and Features

December 16, 2024

By John Hart, Estuary News In the Sacramento-San Joaquin River Delta, an invisible fire is burning. Peat soils, laid down...

NOTEBOOK FEATURE: The longfin smelt joins the celebrated ranks of the federal ESA – but can it recover?

Alastair Bland

Delta scienceFish and wildlifeNotebook News and Features

December 10, 2024

By Alastair Bland Federal wildlife officials formally listed the San Francisco Estuary longfin smelt as an endangered species in July....

NOTEBOOK FEATURE: The impacts of non-native fish on salmon populations in the San Joaquin River

Maven

Best of the NotebookDelta scienceFish and wildlifeNotebook News and Features

December 9, 2024

“What data we have suggests that the predation is a huge factor that will probably preclude any recovery of salmonids...

DELTA STEWARDSHIP COUNCIL: The economic and environmental imperatives of Delta levees

Maven

Delta scienceNotebook News and Features

November 20, 2024

Flood risk is one of the most pressing threats to the Sacramento-San Joaquin Delta.  The Delta’s 1,100 miles of levees...

NOTEBOOK FEATURE: How floating wetlands could transform restoration in California’s Delta

Robin Meadows

Best of the NotebookDelta scienceEcosystemsNotebook News and Features

November 13, 2024

Floating wetlands sound like something straight out of a fairy tale, fanciful landscapes where the laws of nature are suspended....

NOTEBOOK FEATURE: We are still here: Partnering with Tribes on the Delta

Robin Meadows

Best of the NotebookDelta scienceEcosystemsNotebook News and Features

August 28, 2024

By Robin Meadows The first time Malissa Tayaba visited one of her ancestral village sites on the banks of the...

USGS: Shifting sand-supply dynamics in San Francisco Bay

USGS

Climate changeDelta science

August 6, 2024

Coastal communities, particularly those around large estuaries like San Francisco Bay, face increasing challenges due to sea-level rise and anthropogenic...