期刊
SCIENCE ADVANCES
卷 5, 期 11, 页码 -出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.aaz0414
关键词
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资金
- National Center for Ecological Analysis and Synthesis - University of California, Santa Barbara [NSF EF-0553768]
- State of California
- iPlant/CyVerse via NSF [DBI-0735191]
- NSF [ABI-1565118, HDR-1934790, DBI-1913673]
- Global Environment Facility SPARC project grant [GEF-5810]
- European Union [746334]
- Danish National Research Foundation [DNRF96]
- Marie Curie International Outgoing Fellowship within the 7th European Community Framework Program (DiversiTraits project) [221060]
- European Research Council (ERC) [ERC-StG-2014-639706-CONSTRAINTS]
- synthesis center CESAB of the French Foundation for Research on Biodiversity (FRB)
- EDF
- Center for Informatics Research on Complexity in Ecology (CIRCE) - Aarhus University Research Foundation under the AU Ideas program
- VILLUM FONDEN [16549]
- University of Arizona Bridging Biodiversity and Conservation Science program
- New Zealand Ministry of Business, Innovation and Employment
- Charles University [UNCE 204069]
- Marie Curie Actions (MSCA) [746334] Funding Source: Marie Curie Actions (MSCA)
A key feature of life's diversity is that some species are common but many more are rare. Nonetheless, at global scales, we do not know what fraction of biodiversity consists of rare species. Here, we present the largest compilation of global plant diversity to quantify the fraction of Earth's plant biodiversity that are rare. A large fraction, similar to 36.5% of Earth's similar to 435,000 plant species, are exceedingly rare. Sampling biases and prominent models, such as neutral theory and the k-niche model, cannot account for the observed prevalence of rarity. Our results indicate that (i) climatically more stable regions have harbored rare species and hence a large fraction of Earth's plant species via reduced extinction risk but that (ii) climate change and human land use are now disproportionately impacting rare species. Estimates of global species abundance distributions have important implications for risk assessments and conservation planning in this era of rapid global change.
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