overexploitation

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Multiple and combined threats from habitat degradation, dams, water withdrawals, pollution, and overexploitation have led to the decline of many catfish populations.
栖息地环境恶化、水坝、水位下降、污染和过度捕捞等等多种组合威胁，已经导致了许多种鲶鱼的数量下降。
Dr Wormand his colleagues discovered that the more species an ocean regionhas, the more robustly it seems to cope with overexploitation.
沃姆博士及其同事发现，海洋的物种数越多，对于人类过度捕捞活动的恢复能力就更强。
Some environmentalists worry that having struggled for years to protect forests from overexploitation, demand for biofuels could undermine their efforts.
一些环境学家担忧他们曾为保护森林与过度砍伐力争了多年之后，对生物燃料的需求又将使这些努力付之东流。

Dr Worm and his colleagues discovered that the more species an ocean region has, the more robustly it seems to cope with overexploitation.
ECONOMIST: Marine biodiversity
Problems arise from conflicts between different uses of coastal land and waters, overexploitation of coastal resources, discharge of wastes and effluents into coastal waters, increasing stress by sea level change and growth of coastal population.
UNESCO: Water Portal Water Events Worldwide