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搜索结果: 1-5 共查到marine protected areas相关记录5条 . 查询时间(0.103 秒)
A new study points to a strong 'edge effect' in marine protected areas (MPAs), sharply reducing by 60 percent the fish population living up to 1 - 1.5 km within the MPA. This significantly diminishes ...
Originating 423 million years ago, sharks are a group of predators that span 490 species and still play crucial roles within their ecosystems. We often characterize these top predators as nearly indes...
Antarctica’s surrounding waters are home to some of the healthiest marine ecosystems on Earth and support thriving populations of krill, seabirds, fish and whales. But efforts to establish a network o...
There is general agreement that representative and ecologically coherent networks of marine protected areas (MPAs) should be created to maintain biodiversity and to conserve specific species, habitats...
In the late 1800s and early 1900s, recreational fishers, especially in southern California, began to realize that populations of their favorite gamefish were in decline. Since 1952, 53 marine refuges,...

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