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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/cobi.13438
|2 doi
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|a pubmed24n1012.xml
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|a (DE-627)NLM303645555
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|a (NLM)31762059
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Harrison, Michelle Lisa Kiri
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Edge effects on trophic cascades in tropical rainforests
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| 264 |
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|c 2020
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 26.10.2020
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|a Date Revised 26.10.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2019 Society for Conservation Biology.
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|a The cascading effects of biodiversity loss on ecosystem functioning of forests have become more apparent. However, how edge effects shape these processes has yet to be established. We assessed how edge effects alter arthropod populations and the strength of any resultant trophic cascades on herbivory rate in tropical forests of Brazil. We established 7 paired forest edge and interior sites. Each site had a vertebrate-exclosure, procedural (exclosure framework with open walls), and control plot (total 42 plots). Forest patches were surrounded by pasture. Understory arthropods and leaf damage were sampled every 4 weeks for 11 months. We used path analysis to determine the strength of trophic cascades in the interior and edge sites. In forest interior exclosures, abundance of predaceous and herbivorous arthropods increased by 326% and 180%, respectively, compared with control plots, and there were significant cascading effects on herbivory. Edge-dwelling invertebrates responded weakly to exclusion and there was no evidence of trophic cascade. Our results suggest that the vertebrate community at forest edges controls invertebrate densities to a lesser extent than it does in the interior. Edge areas can support vertebrate communities with a smaller contingent of insectivores. This allows arthropods to flourish and indirectly accounts for higher levels of plant damage at these sites. Increased herbivory rates may have important consequences for floristic community composition and primary productivity, as well as cascading effects on nutrient cycling. By interspersing natural forest patches with agroforests, instead of pasture, abiotic edge effects can be softened and prevented from penetrating deep into the forest. This would ensure a greater proportion of forest remains habitable for sensitive species and could help retain ecosystem functions in edge zones
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4 |
|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a arthropod community
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| 650 |
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4 |
|a bosque tropical
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| 650 |
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4 |
|a comunidad de artrópodos
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| 650 |
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4 |
|a degradación del hábitat
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| 650 |
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4 |
|a ecosystem functioning
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| 650 |
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4 |
|a ecosystem process
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| 650 |
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4 |
|a encierro de vertebrados
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| 650 |
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4 |
|a funcionamiento del ecosistema
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| 650 |
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4 |
|a habitat degradation
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| 650 |
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4 |
|a herbivory
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| 650 |
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4 |
|a herbivoría
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| 650 |
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4 |
|a procesos ecosistémicos
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| 650 |
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4 |
|a tropical forest
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| 650 |
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4 |
|a vertebrate exclusion
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| 650 |
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4 |
|a 栖息地退化
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| 650 |
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4 |
|a 热带森林
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| 650 |
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4 |
|a 生态系统功能
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| 650 |
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4 |
|a 生态系统过程
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| 650 |
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4 |
|a 脊椎动物围栏
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| 650 |
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4 |
|a 节肢动物群落
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| 650 |
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4 |
|a 虫食率
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| 700 |
1 |
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|a Banks-Leite, Cristina
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Conservation biology : the journal of the Society for Conservation Biology
|d 1999
|g 34(2020), 4 vom: 05. Aug., Seite 977-987
|w (DE-627)NLM098176803
|x 1523-1739
|7 nnns
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| 773 |
1 |
8 |
|g volume:34
|g year:2020
|g number:4
|g day:05
|g month:08
|g pages:977-987
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/cobi.13438
|3 Volltext
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|d 34
|j 2020
|e 4
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|c 08
|h 977-987
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