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This EPA press release documents the findings of a 2005 mapping project in the Gulf of Mexico low-oxygen waters. The article notes the extent of the "dead zone" and notes the possible effects of Hurricane Dennis on the hypoxic zone. It also reports a smaller than expected nitrate content in the dead zone, which was attributed to the below average precipitation in the Mississippi River Basin. The press release also features a color map of the dead zone's extent.
Subject: Biology:Ecology:Principles, Habitats:Marine, Water Column, Geoscience:Hydrology:Surface Water:Water Quality/Chemistry , Biology:Microbiology Resource Type: Scientific Resources:Overview/Reference Work Grade Level: High School (9-12), College Lower (13-14), Middle (6-8) Extreme Environments: Altered by Humans, Anoxic Ocean Environments: Surface Waters, Coastal and Estuarine Topics: Biosphere:Ecology:Habitats:Marine, Water Column, Hydrosphere/Cryosphere:Surface Water:Water Quality/Chemistry, Biosphere:Ecology:Food Webs, Biosphere:MicrobiologyKeyword: eutrophication
