Dead zones spread along Oregon coast and Gulf of Mexico, study shows

Dead zones spread along Oregon coast and Gulf of Mexico, study shows

Agricultural runoff from farms and livestock operations creates oxygen-depleted areas inhospitable to animal and plant life

Scientists recently surveyed the bottom of the Gulf of Mexico around Louisiana and Texas and what they discovered was a larger-than-average area of oxygen-depleted water – a “dead zone” where nothing can live.

National Oceanographic and Atmospheric Administration (NOAA) scientists announced their findings this week: about 4m acres of habitat in the Gulf are unusable for fish and bottom-dwelling species. The researchers had estimated a smaller dead zone this year, predicting an average-sized area.

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