GSTDTAP  > 资源环境科学
DOI10.1111/ele.12931
Predators in the plant-soil feedback loop: aboveground plant-associated predators may alter the outcome of plant-soil interactions
Smith-Ramesh, Lauren M.
2018-05-01
发表期刊ECOLOGY LETTERS
ISSN1461-023X
EISSN1461-0248
出版年2018
卷号21期号:5页码:646-654
文章类型Article
语种英语
国家USA
英文摘要

Plant-soil feedback (PSF) can structure plant communities, promoting coexistence (negative PSF) or monodominance (positive PSF). At higher trophic levels, predators can alter plant community structure by re-allocating resources within habitats. When predator and plant species are spatially associated, predators may alter the outcome of PSF. Here, I explore the influence of plant-associated predators on PSF using a generalised cellular automaton model that tracks nutrients, plants, herbivores and predators. I explore key contingencies in plant-predator associations such as whether predators associate with live vs. senesced vegetation. Results indicate that plant-associated predators shift PSF to favour the host plant when predators colonise live vegetation, but the outcome of PSF will depend upon plant dispersal distance when predators colonise dead vegetation. I apply the model to two spider-associated invasive plants, finding that spider predators should shift PSF dynamics in a way that inhibits invasion by one forest invader, but exacerbates invasion by another.


英文关键词Allelopathy Alliaria petiolata competition enemy escape invasion Microstegium vimineum plant-soil feedback predators Spiders
领域资源环境
收录类别SCI-E
WOS记录号WOS:000430120400005
WOS关键词ALLIARIA-PETIOLATA ; ECOSYSTEM DYNAMICS ; INVASIVE PLANTS ; GARLIC MUSTARD ; COMMUNITY ; ABUNDANCE ; FOREST ; POPULATION ; GRASSLAND ; NITROGEN
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/31295
专题资源环境科学
作者单位Natl Inst Math & Biol Synth, 1122 Volunteer Blvd, Knoxville, TN 37996 USA
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GB/T 7714
Smith-Ramesh, Lauren M.. Predators in the plant-soil feedback loop: aboveground plant-associated predators may alter the outcome of plant-soil interactions[J]. ECOLOGY LETTERS,2018,21(5):646-654.
APA Smith-Ramesh, Lauren M..(2018).Predators in the plant-soil feedback loop: aboveground plant-associated predators may alter the outcome of plant-soil interactions.ECOLOGY LETTERS,21(5),646-654.
MLA Smith-Ramesh, Lauren M.."Predators in the plant-soil feedback loop: aboveground plant-associated predators may alter the outcome of plant-soil interactions".ECOLOGY LETTERS 21.5(2018):646-654.
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