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Higher predation risk for insect prey at low latitudes and elevations
Roslin, Tomas; Hardwick, Bess; Novotny, Vojtech; et al
2017
Source PublicationSCIENCE
Volume256Issue:6339 SIPages:742-744
AbstractBiotic interactions underlie ecosystem structure and function, but predicting interaction outcomes is difficult. We tested the hypothesis that biotic interaction strength increases toward the equator, using a global experiment with model caterpillars to measure predation risk. Across an 11,660-kilometer latitudinal gradient spanning six continents, we found increasing predation toward the equator, with a parallel pattern of increasing predation toward lower elevations. Patterns across both latitude and elevation were driven by arthropod predators, with no systematic trend in attack rates by birds or mammals. These matching gradients at global and regional scales suggest consistent drivers of biotic interaction strength, a finding that needs to be integrated into general theories of herbivory, community organization, and life-history evolution.
KeywordClimate-change Distributed Experiments Tropical Forests Herbivory Ecology Consequences Caterpillars Metaanalysis Temperature Generality
Language英语
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/10411
Collection其他
Recommended Citation
GB/T 7714
Roslin, Tomas,Hardwick, Bess,Novotny, Vojtech,et al. Higher predation risk for insect prey at low latitudes and elevations[J]. SCIENCE,2017,256(6339 SI):742-744.
APA Roslin, Tomas,Hardwick, Bess,Novotny, Vojtech,&et al.(2017).Higher predation risk for insect prey at low latitudes and elevations.SCIENCE,256(6339 SI),742-744.
MLA Roslin, Tomas,et al."Higher predation risk for insect prey at low latitudes and elevations".SCIENCE 256.6339 SI(2017):742-744.
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