气候变化领域集成服务门户(CCPortal): The magnet effect of fire on herbivores affects plant community structure in a forested system

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DOI	10.1016/j.foreco.2019.117794
	The magnet effect of fire on herbivores affects plant community structure in a forested system
	Westlake S.M.; Mason D.; Lázaro-Lobo A.; Burr P.; McCollum J.R.; Chance D.; Lashley M.A.
发表日期	2020
ISSN	0378-1127
卷号	458
英文摘要	Fire plays an important role in plant community structure in many terrestrial ecosystems. However, most studies assume responses of plant communities to fire are primarily generated by direct effects. That is, studies often assume the net effects of fire on plant communities are primarily driven by fire consuming existing plant biomass, resetting succession, and stimulating new seed germination. Far less attention has been paid to indirect effects of fire on plant communities as mediated by food web interactions. Here we demonstrated in a series of experiments in a loblolly pine (Pinus taeda) forest that the net effects of fire on plant community heterogeneity are indirectly mediated through changes in herbivore behavior. First, we demonstrated that fire causes a magnet effect for herbivores resulting in a 3-fold strengthening of herbivore use. Then in another experiment using a replicated before-after control-impact design with four treatments, we demonstrated that combining fire and herbivory has a non-additive positive effect on plant community heterogeneity. The shifts in the plant community were sustained post-fire through the plant dormancy period. These results highlight the need to conserve the fire-herbivory interaction rather than either force independently. © 2019 Elsevier B.V.
英文关键词	Heterogeneity; Indirect effects; Magnet effect; Top-down control
语种	英语
scopus关键词	Animals; Ecology; Fires; Forestry; Magnets; Before-after control impacts; Food web interactions; Heterogeneity; Indirect effects; Plant communities; Seed germination; Terrestrial ecosystems; Top-down control; Seed; community structure; coniferous forest; experimental study; forest ecosystem; forest fire; herbivory; heterogeneity; plant community; plant-herbivore interaction; seedling emergence; succession; Animals; Ecology; Fires; Forestry; Heterogeneity; Magnets; Pinus taeda
来源期刊	Forest Ecology and Management
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/155560
作者单位	Department of Wildlife, Fisheries, and Aquaculture, Mississippi State University, Box 9690, Mississippi StateMS 39762, United States; Department of Wildlife Ecology and Conservation, University of Florida, 110 Newins Ziegler Hall, Gainesville, FL 32611, United States; Department of Biological Sciences, Mississippi State University, 295 Lee Blvd, Mississippi StateMS 39762, United States
推荐引用方式 GB/T 7714	Westlake S.M.,Mason D.,Lázaro-Lobo A.,et al. The magnet effect of fire on herbivores affects plant community structure in a forested system[J],2020,458.
APA	Westlake S.M..,Mason D..,Lázaro-Lobo A..,Burr P..,McCollum J.R..,...&Lashley M.A..(2020).The magnet effect of fire on herbivores affects plant community structure in a forested system.Forest Ecology and Management,458.
MLA	Westlake S.M.,et al."The magnet effect of fire on herbivores affects plant community structure in a forested system".Forest Ecology and Management 458(2020).