Why finer spatial resolutions do not necessarily improve species distribution models

IF 6.3 1区 环境科学与生态学 Q1 ECOLOGY
Kryštof Chytrý, Jonathan Lenoir, Dietmar Moser, Karl Hülber, Norbert Helm, Johannes Hausharter, Johannes Wessely, Stefan Dullinger
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引用次数: 0

Abstract

为什么更精细的空间分辨率不一定能改善物种分布模型
近年来,对于物种分布模型(SDMs)中使用过于粗糙的环境数据的批评越来越多,特别是对于植物等无根生物。然而,我们认为,粗分辨率环境预测因子不仅在概念上符合sdm的思想,而且通常也可能比那些分辨率接近个体大小的模型更健壮和现实。我们使用虚拟生态学家实验明确地证明了这个看似矛盾的现象。这背后的主要原因是物种的基本生态位与其实际分布之间的不平衡。虽然这种不平衡在生物地理学和超种群生态学中得到了很好的认识,但它对精细尺度sdm的影响仍然被忽视。因此,与最近的主张相反,我们建议SDMs中预测因子的最佳空间分辨率不应受个体大小的影响,而应受维持最小可生存种群所需的空间范围的影响。综合:寻求完美的空间分辨率不应被视为生态建模的圣杯。在现实中,不存在这种普遍最优的解决方案。进展更有可能来自跨多个决议操作的显式集成过程。特别是,在sdm中纳入邻域尺度变量作为预测因子是朝着这个方向迈出的重要一步。
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来源期刊
Journal of Ecology
Journal of Ecology 环境科学-生态学
CiteScore
10.90
自引率
5.50%
发文量
207
审稿时长
3.0 months
期刊介绍: Journal of Ecology publishes original research papers on all aspects of the ecology of plants (including algae), in both aquatic and terrestrial ecosystems. We do not publish papers concerned solely with cultivated plants and agricultural ecosystems. Studies of plant communities, populations or individual species are accepted, as well as studies of the interactions between plants and animals, fungi or bacteria, providing they focus on the ecology of the plants. We aim to bring important work using any ecological approach (including molecular techniques) to a wide international audience and therefore only publish papers with strong and ecological messages that advance our understanding of ecological principles.
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