Nutrients Archives

November 19, 2025

By Jane Sooby The Second Statewide Agricultural Expert Panel continued to deliberate on its charge questions during a Halloween meeting...

CA AGRICULTURE: Adoption patterns of on-farm nutrient management practices and nitrogen application rates in California’s Central Valley

UC Ag and Natural Resources (UCANR)

Water quality

October 15, 2025

Results from a nutrient management practices study show that most growers are adopting four or more practices in the same...

THE CURRENT: Human impact on the ocean will double by 2050, UCSB scientists warn

UC Santa Barbara

Ecosystems

September 6, 2025

By Sonia Fernandez, UC Santa Barbara The seas have long sustained human life, but a new UC Santa Barbara study...

USGS: Assessing spatial variability of nutrients, phytoplankton, and related water-quality constituents in the Delta at landscape scale

USGS

Delta science Water quality

April 1, 2024

From the USGS: This report summarizes results from boat-based, high-resolution water-quality mapping surveys completed before, during, and after upgrades to...

KNOWABLE MAGAZINE: Reviving a famously polluted California lake

Knowable Magazine

Water quality

August 10, 2023

Clear Lake, the state’s largest freshwater body of water, is fouled each year by algal blooms, one of many assaults...

NOTEBOOK FEATURE: Sacramento’s New Wastewater Treatment Upgrade Will Help Recharge Groundwater—Will It Also Help the Delta?

Robin Meadows

Groundwater News Notebook News and Features Water supply augmentation

May 16, 2023

by Robin Meadows Two decades ago, scientists were alarmed by sudden declines in at-risk fish and their tiny prey, called...

USGS scientists gather data to better understand nutrient loads entering the Sacramento-San Joaquin Delta

USGS

Delta science Science Water quality

January 20, 2022

California Water Science Center scientists Dina Saleh and Joseph Domagalski discuss water-quality data collected in the Sacramento–San Joaquin Delta. By...