XTBG OpenIR  > 土壤生态组
Cascading effects of spiders on a forest-floor food web in the face of environmental change
Liu, Shengjie; Chen, Jin; Gan, Wenjin; ...; Yang, Xiaodong
2016
Source PublicationBASIC AND APPLIED ECOLOGY
Volume17Issue:6Pages:527-534
AbstractSpiders have cascading effects on forest-floor food webs and ecosystem processes by depressing soil fauna densities and altering species composition. However, it remains unclear how spiders with different foraging strategies influence cascading effects on decomposition. In addition, prolonged droughts would likely have important consequences for trophic interactions in detritus-based food webs. In the present study, we evaluated how interactions between spider predation and drought affect litter decomposition in a tropical forest floor. We manipulated densities of dominant spiders with actively hunting or sit and-wait foraging strategies in microcosms which mimicked the tropical-forest floor. We found a positive trophic cascade on litter decomposition rates triggered by actively hunting spiders under ambient and reduced moisture. However, sit-and-wait spiders showed no cascading effects on litter decomposition under ambient and drought conditions. Our findings suggest that trophic interactions in detritus-based food webs should be considered to better understand litter decomposition in the face of environmental change.
KeywordTrophic Cascade Effect Detrital Food Web Actively Hunting Spiders Sit-and-wait Spiders Drought Litter Decomposition
Language英语
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/10097
Collection土壤生态组
Corresponding AuthorYang, Xiaodong
Recommended Citation
GB/T 7714
Liu, Shengjie,Chen, Jin,Gan, Wenjin,et al. Cascading effects of spiders on a forest-floor food web in the face of environmental change[J]. BASIC AND APPLIED ECOLOGY,2016,17(6):527-534.
APA Liu, Shengjie,Chen, Jin,Gan, Wenjin,...,&Yang, Xiaodong.(2016).Cascading effects of spiders on a forest-floor food web in the face of environmental change.BASIC AND APPLIED ECOLOGY,17(6),527-534.
MLA Liu, Shengjie,et al."Cascading effects of spiders on a forest-floor food web in the face of environmental change".BASIC AND APPLIED ECOLOGY 17.6(2016):527-534.
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