气候变化领域集成服务门户(CCPortal): Multidimensional biases, gaps and uncertainties in global plant occurrence information

CCPortal

DOI	10.1111/ele.12624
	Multidimensional biases, gaps and uncertainties in global plant occurrence information
	Meyer C.; Weigelt P.; Kreft H.
发表日期	2016
ISSN	1461-023X
EISSN	1461-0248
卷号	19 期号:8
英文摘要	Plants are a hyperdiverse clade that plays a key role in maintaining ecological and evolutionary processes as well as human livelihoods. Biases, gaps and uncertainties in plant occurrence information remain a central problem in ecology and conservation, but these limitations remain largely unassessed globally. In this synthesis, we propose a conceptual framework for analysing gaps in information coverage, information uncertainties and biases in these metrics along taxonomic, geographical and temporal dimensions, and apply it to all c. 370 000 species of land plants. To this end, we integrated 120 million point-occurrence records with independent databases on plant taxonomy, distributions and conservation status. We find that different data limitations are prevalent in each dimension. Different metrics of information coverage and uncertainty are largely uncorrelated, and reducing taxonomic, spatial or temporal uncertainty by filtering out records would usually come at great costs to coverage. In light of these multidimensional data limitations, we discuss prospects for global plant ecological and biogeographical research, monitoring and conservation and outline critical next steps towards more effective information usage and mobilisation. Our study provides an empirical baseline for evaluating and improving global floristic knowledge, along with a conceptual framework that can be applied to study other hyperdiverse clades. © 2016 John Wiley & Sons Ltd/CNRS.
英文关键词	Data bias; data deficiency; data uncertainty; Global Biodiversity Information Facility; Global Strategy for Plant Conservation; herbarium specimens; knowledge gaps; species distributions; survey effort; Wallacean shortfall
学科领域	biodiversity; biogeography; conceptual framework; conservation planning; conservation status; floristics; knowledge; species conservation; species diversity; taxonomy; uncertainty analysis; classification; demography; ecosystem; environmental monitoring; information service; plant; species difference; Demography; Ecosystem; Environmental Monitoring; Information Services; Plants; Species Specificity; Embryophyta; Gabaza
语种	英语
scopus关键词	biodiversity; biogeography; conceptual framework; conservation planning; conservation status; floristics; knowledge; species conservation; species diversity; taxonomy; uncertainty analysis; classification; demography; ecosystem; environmental monitoring; information service; plant; species difference; Demography; Ecosystem; Environmental Monitoring; Information Services; Plants; Species Specificity; Embryophyta; Gabaza
来源期刊	Ecology letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/118523
作者单位	Biodiversity, Macroecology and Conservation Biogeography Group, Faculty of Forest Sciences, University of Göttingen, Büsgenweg 1, 37077, Göttingen, Germany; Synthesis Centre (sDiv), German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103, Leipzig, Germany
推荐引用方式 GB/T 7714	Meyer C.,Weigelt P.,Kreft H.. Multidimensional biases, gaps and uncertainties in global plant occurrence information[J],2016,19(8).
APA	Meyer C.,Weigelt P.,&Kreft H..(2016).Multidimensional biases, gaps and uncertainties in global plant occurrence information.Ecology letters,19(8).
MLA	Meyer C.,et al."Multidimensional biases, gaps and uncertainties in global plant occurrence information".Ecology letters 19.8(2016).