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海獭竟是“救世主”?一场跨越百年的海藻林复活战
海獭在19世纪因皮毛被濒临灭绝,但它们在中部海岸幸存下来。一项新的研究发现,幸存下来的海獭对该地区的海藻林产生了显著的正面影响。跟北部和南部地区相比,中部海岸的海藻冠层覆盖显著增加,海獭种群密度被确定为“最强预测因子”。这一研究强调了对濒危的南方海獭 ...
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