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Human-induced stressors such as fishing, agricultural runoff, commercial shipping, and invasive species affect most areas of the ocean, a study published today (July 26) in Current Biology finds. Its authors report that the mere 13 percent of ocean regions that constitute “marine wilderness” are largely located near the poles and in remote regions of the Pacific, and that less than 5 percent of the wilderness areas fall within protected zones.
“Studies have shown that places free from intense levels of human activity have really high levels of biodiversity and high genetic diversity [but] we didn’t have an idea of where across the globe these intact places could still be found,” study author Kendall Jones of the Wildlife Conservation Society and the University of Queensland in Australia tells BBC News.
To identify those places, the authors analyzed data from several sources to find out how different areas of ...
