Biodiversity mediates ecosystem sensitivity to climate variability.
Biodiversity mediates ecosystem sensitivity to climate variability.
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DOI：
10.1038/s42003-022-03573-9
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发表时间：
2022-06-27
影响因子：
5.9
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中科院分区：
文献类型：
--
作者：
从地方规模的实验和观测研究中获得的大量证据表明，生物多样性对生态系统功能具有稳定作用。然而，这些影响是否在整个区域和大陆出现，在很大程度上仍然被忽视。在这里，我们结合联合收割机的数据分布超过57,500植物物种和遥感观测在整个西半球调查的作用，植物多样性的多个方面（物种丰富度，系统发育多样性和功能多样性）在调解生态系统的敏感性，气候变化在区域尺度在过去的20年。我们发现，在多个生物群落中，植物多样性较大的地区在年际和季节尺度上对温度变化的敏感性较低（随着时间的推移更稳定）。虽然这些地区对降水年际变化的敏感性较低，但它们对降水季节性高度敏感。保护具有更大多样性的景观可能有助于稳定气候变化下的生态系统功能，从而有可能确保向人们持续提供与生产力相关的生态系统服务。借助空间自回归模型，在小尺度上探讨了植物多样性的多个方面与生态系统对气候变率的敏感性之间的关系。
A rich body of evidence from local-scale experiments and observational studies has revealed stabilizing effects of biodiversity on ecosystem functioning. However, whether these effects emerge across entire regions and continents remains largely overlooked. Here we combine data on the distribution of more than 57,500 plant species and remote-sensing observations throughout the entire Western Hemisphere to investigate the role of multiple facets of plant diversity (species richness, phylogenetic diversity, and functional diversity) in mediating the sensitivity of ecosystems to climate variability at the regional-scale over the past 20 years. We show that, across multiple biomes, regions of greater plant diversity exhibit lower sensitivity (more stable over time) to temperature variability at the interannual and seasonal-scales. While these areas can display lower sensitivity to interannual variability in precipitation, they emerge as highly sensitive to precipitation seasonality. Conserving landscapes of greater diversity may help stabilize ecosystem functioning under climate change, possibly securing the continuous provisions of productivity-related ecosystem service to people. With the help of spatial autoregressive models, the relationship between multiple facets of plant biodiversity and ecosystem sensitivity to climate variability is explored on a landscape-scale.
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影响因子：
9.8
作者：
Abatzoglou JT;Dobrowski SZ;Parks SA;Hegewisch KC
通讯作者：
Hegewisch KC
影响因子：
64.8
作者：
Diaz, Sandra;Kattge, Jens;Gorne, Lucas D.
通讯作者：
Gorne, Lucas D.
影响因子：
9.8
作者：
Diaz, Sandra;Fargione, Joseph;Tilman, David
通讯作者：
Tilman, David
影响因子：
8.8
作者：
Bond, EM;Chase, JM
通讯作者：
Chase, JM
影响因子：
5.9
作者：
Diniz-Filho, Jose Alexandre F.;Bini, Luis Mauricio;Hawkins, Bradford A.
通讯作者：
Hawkins, Bradford A.