Environment ❯ Ecology

Aquatic Ecosystems

Fish Populations Freshwater Fish Fish Species Water Quality Invasive Species Pollution Fish Mortality Freshwater Lakes Algal Blooms Fish Migration Fish Conservation Fish Behavior Fisheries Freshwater Pollution Freshwater Bodies Lakes Freshwater Ecosystems Salmon Freshwater Species Fisheries Management Oyster Populations Plant Species Lake Ecosystems Fish Kills Fish Diseases Great Salt Lake Urban Ponds Dam Removal Pharmaceutical Pollution Toxicology Impact of Human Activity Biodiversity Water Pollution Pharmaceutical Contamination Impact of Climate Change Fish Fish Hatcheries Fish Diversity Microalgae Mar Menor Chesapeake Bay Habitat Suitability Chemical Pollution Species Interactions Eutrophication Harmful Algal Blooms

Salmon Reappear in Russian River Upper Basin and Alameda Creek After Passage Fixes

State biologists confirmed rare juvenile coho in the Russian River upper basin, reflecting improved passage alongside recent wet years.

Advisories Lifted at Key Charles River Sites Clear Head Of The Charles Course

Study Ties Toxic Algae Exposure to Alzheimer’s-Like Brain Changes in Stranded Florida Dolphins

25,000 Menhaden Found Dead in Baltimore Harbor as Oxygen Levels Plunge

Peer-Reviewed Study Finds 24 Fish Species Now Spawning in the Chicago River

Permafrost Thaw Is Turning Alaska’s Salmon River Toxic, PNAS Study Finds

Tests Identify Chlorine Spike as Cause of Boys Ranch Lake Fish Kill

Minnesota Researchers Recommend Minimum Water Depths to Shield Lakebeds From Wakeboats

NOAA Forecasts Mild to Moderate Harmful Algal Bloom in Western Lake Erie

Bullfrog Removal Spurs Northwestern Pond Turtle Recovery in Yosemite