Harmful algal blooms Archives ~ MAVEN'S NOTEBOOK

September 8, 2026

By modeling toxic diatoms and coastal processes, scientists have discovered the degree to which nutrients from Southern California’s densely populated...

USGS: Heterosigma akashiwo in San Francisco Bay

USGS

Delta science Water quality

February 5, 2026

From the USGS: A new study by several scientists examines the environmental conditions that fueled a massive algal bloom in...

THE CONVERSATION: After the smoke clears, a wildfire’s legacy can haunt rivers for years, putting drinking water at risk

The Conversation

Wildfires and watersheds

June 23, 2025

Ben Livneh, University of Colorado Boulder, The Conversation Picture a wildfire raging across a forested mountainside. The smoke billows and...

NASA Sensor on Space Station Eyes Contamination off California Coast

NASA/JPL

Science Water quality

June 19, 2025

Proof-of-concept results from the mouth of the Tijuana River in San Diego County show how an instrument called EMIT could...

INSIDE CLIMATE NEWS: Southern California toxic algal bloom blamed for months-long marine life poisoning

Inside Climate News

Ecosystems

May 3, 2025

By Teresa Tomassoni This article originally appeared on Inside Climate News, a nonprofit, non-partisan news organization that covers climate, energy...

CAL AG: Urban wildfire impacts water, soil and wildlife

UC Ag and Natural Resources (UCANR)

Wildfires and watersheds

April 12, 2025

From California Agriculture: As residents clean up after the Los Angeles County wildfires, the aftermath will continue to impact water...

UC DAVIS: Clear Lake water quality report recommends rehabilitation strategy

UC Davis

Water quality

January 30, 2025

UC Davis Tahoe Environmental Research Center outlines Clear Lake water quality issues By Cara Hollis, UC Davis The water quality...

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

Maven

Delta science Water quality

January 8, 2025

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

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...

NOW AVAILABLE: Cyanobacteria Harmful Algal Blooms Monitoring Strategy

Delta Stewardship Council

Reports

October 24, 2024

From the Delta Stewardship Council: Cyanobacteria harmful algal blooms (CHABs) have been a water quality issue in the Sacramento-San Joaquin...

DELTA DISPATCH: Bloom boom

Estuary News Group

Podcasts and webinars Science Podcasts

October 22, 2024

Have you ever seen bright green patches of algae floating in the water? You might be seeing a bloom of...

SCIENCE IN SHORT: Tap Dancing Through Data for Delta Drought Insights: An Interview with Rosemary Hartman

Ashleigh Papp

Ecosystems Notebook News and Features Science Podcasts

October 15, 2024

The San Francisco Estuary watershed is characterized by periods of both wet and dry. But the dry seems to be...

C-WIN: On the Brink: Repeat of Massive Sturgeon Die-Offs Likely

CA Water Impact Network (C-WIN)

Water quality

July 18, 2024

Warm Water in Delta Setting Stage for Another Catastrophe, Organization Warns Press release from the California Water Impact Network Huge...

CAL MATTERS: This giant freshwater fish — North America’s largest — gains California protection

Cal Matters

Fish and wildlife

June 20, 2024

Die-offs from algae blooms in San Francisco and Delta water diversions have left a giant, shark-like, prehistoric creature at risk....

AG ALERT: Better data key to informed water policy decisions

Ag Alert

Planning and management

March 6, 2024

By Christine Souza, from Ag Alert To adapt to climate extremes and become more water resilient in California, modernizing the...