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生物通
1 个月
全球氮沉降对荒漠草原生态系统的影响研究
研究人员开展五年氮添加实验,揭示荒漠草原地上生物量(AGB)对氮添加的响应阈值及其驱动机制,为植被恢复提供理论依据 全球氮(N)沉降对干旱生态系统影响显著,尤其在生物多样性和地上生物量(AGB)方面。AGB对氮添加通常呈现饱和响应,但氮饱和阈值及驱动 ...
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