Dead zones, or low oxygenated areas in the world’s seas and oceans, are places where nutrients from fertilizer runoff, sewage, animal waste and the burning of fossil fuels trigger algae blooms.
The major pollutants affecting seawater off China were inorganic nitrogen and active phosphate in 2005, according to a report on pollution of the marine environment released this week by the State Environmental Protection Administration (SEPA). [Full Text]
– Also see BBC’s ‘Dead Zones’ Threaten Fish:
Sea areas starved of oxygen will soon damage fish stocks even more than unsustainable catches, the United Nations believes.