News tagged with overexploitation

Distinguishing drought and water scarcity

Water resources can become strained by both natural factors such as drought and by human factors such as unsustainable use. Water resource managers can develop practices to reduce overuse of water resources, but they cannot ...

dateMar 15, 2013 in Environment
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30% of fish stocks overexploited: UN agency

Almost 30 percent of fish stocks monitored by the UN's food agency are overexploited, undermining the crucial role sustainable fisheries play in providing food and jobs for millions, a report said Monday.

dateJul 09, 2012 in Ecology
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Overfishing leaves swaths of Mediterranean barren

Centuries of overexploitation of fish and other marine resources — as well as invasion of fish from the Red Sea — have turned some formerly healthy ecosystems of the Mediterranean Sea into barren places, an unprecedented ...

dateMar 01, 2012 in Ecology
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Ancient lessons for a modern challenge

What caused the collapse of the Cambodian city of Angkor, the largest preindustrial city in the world, 600 years ago? Previous research suggests war and overexploitation of the land were to blame, but a new ...

dateJan 23, 2012 in Environment
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A genetic barcode against forestry law-breaking

The massive overexploitation of Madagascar's tropical woods is endangering the island's unique flora and fauna. A project by ETH Zurich and Zurich Zoo aims to make the illegal wood trade more difficult through ...

dateOct 17, 2011 in Ecology
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Increased protection urgently needed for tunas

For the first time, all species of scombrids (tunas, bonitos, mackerels and Spanish mackerels) and billfishes (swordfish and marlins) have been assessed for the IUCN Red List of Threatened Species. Of the 61 known species, ...

dateJul 07, 2011 in Ecology
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Major losses for Caribbean reef fish in last 15 years

By combining data from 48 studies of coral reefs from around the Caribbean, researchers have found that fish densities that have been stable for decades have given way to significant declines since 1995. The study appears ...

dateMar 19, 2009 in Ecology
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