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全球众多物种的遗传多样性正在加速丧失!
在物种走向灭绝之前,它们的种群数量通常会显著减少并变得孤立。健康种群通常拥有丰富的基因库,内部循环着大量的遗传变异。然而,随着种群锐减,基因库逐渐缩小,遗传多样性的丧失会削弱物种应对疾病、气候变化等环境威胁的能力。在一项于近日发表在《自然》杂志上的研 ...
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