Due to extreme flooding of the Mississippi River this spring the Gulf of Mexico's hypoxic zone is predicted to be larger than average this year, possibly the largest on record ...

In the Pacific Northwest massive blooms of the single-celled alga, Heterosigma akashiwo, can secrete toxins that destroy fish gills, causing suffocation of both wild and farmed fish such as the ...

Why "red tide" dinoflagellates make compounds that are toxic to fish and humans has been a mystery for decades. Possible functions include aiding prey capture, deterring grazers, or neutralizing competitors ...

High Frequency Radar (HFR) can resolve ocean currents to a scale of 1 kilometer and extend out to approximately 150 kilometers offshore. In addition to oceanographic studies, HFR has proven ...

In Alaska, scientists supported by NOAA's National Centers for Coastal Ocean Science are monitoring a massive and unusual outbreak of the toxic alga Alexandrium and its related potent toxin that ...

In June 2011, a House of Representatives subcommittee on energy and environment unveiled a bill to reauthorize research on hypoxic 'dead zones' and harmful algal blooms (HABs). During a hearing ...

2011 Gulf Hypoxia in Brief Forecast: 8,500 - 9,421 square miles June: Preliminary survey cruise July: Release of updated forecast August 1: Preliminary press release date for measured size In ...

NOAA and University of Alaska scientists are monitoring levels of harmful algae near Juneau and Ketchikan and plan to track toxin levels in the area with biochemical tests. An outbreak ...

Asian carp are infiltrating major American waterways with the potential to greatly alter entire freshwater ecosystems. Where are they going? A National Centers for Coastal Ocean Science-sponsored scientist--Dr. David Lodge ...

Toxic chemicals are accumulating in the bodies of dolphins and whales, according to two new studies, and concentrations tend to be highest in the most populated and developed areas. The ...