The Dead Zones: Oxygen-Starved Coastal Waters

Stephanie Joyce, Environmental Health Perspectives

This Environmental Health Perspectives article provides introductory information regarding the low-oxygen waters of the Mississippi River delta. It explores possible causes of the dead zone such as nutrient influx, algal blooms, and climate change. It also addresses the need for remediation and what is currently being done to reverse the eutrophication. This article features color maps of the dead zone and drainage basin as well as color diagrams of the nutrient cycle, explaining how nutrient enrichment may lead to hypoxia.

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Subject: Biology:Ecology:Principles, Habitats:Marine, Water Column, Geoscience:Hydrology:Surface Water:Water Quality/Chemistry , Biology:Microbiology
Resource Type: Scientific Resources:Overview/Reference Work, Audio/Visual:Images/Illustrations
Grade Level: College Lower (13-14), College Upper (15-16), High School (9-12)
Extreme Environments: Anoxic
Ocean Environments: Coastal and Estuarine
Theme: Teach the Earth:Teaching Topics:Water, Teach the Earth:Course Topics:Ecology, Hydrology/HydrogeologyKeyword: eutrophication