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生物通
22 天
代谢物驱动机制揭示北美半干旱生态系统中莱曼草(Eragrostis lehmanniana ...
传统观点认为,莱曼草的成功入侵得益于它在养分获取、抗放牧、耐旱和耐火烧等方面的优势。 可当研究人员将莱曼草与当地的亚利桑那棉顶草(Digitaria californica,DICA)进行对比时,却发现了许多矛盾之处。例如,虽然莱曼草的地上部分碳氮比看似更利于养分 ...
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