Dead Zone

" Dead zones are areas of water bodies where aquatic life cannot survive because of low oxygen levels. Dead zones are generally caused by significant nutrient pollution, and are primarily a problem for bays, lakes and coastal waters since they receive excess nutrients from upstream sources. "


US EPA, OW. 2013. “The Effects: Dead Zones and Harmful Algal Blooms.” Overviews and Factsheets. March 12, 2013.….