globalchange  > 气候变化与战略
DOI: 10.1111/aec.12824
论文题名:
Chaco forest fragmentation effects on leaf litter decomposition are not explained by changes in litter fauna
作者: Moreno M.L.; Bernaschini M.L.; Pérez-Harguindeguy N.; Lomba A.; Valladares G.
刊名: Austral Ecology
ISSN: 14429985
出版年: 2020
卷: 45, 期:1
语种: 英语
英文关键词: area effects ; edge effects ; habitat fragmentation ; leaf litter invertebrates ; subtropical dry forest
Scopus关键词: decomposition ; dry forest ; ecosystem structure ; edge effect ; fragmentation ; functional group ; habitat fragmentation ; leaf litter ; species richness ; subtropical region ; Argentina ; Chaco [Argentina] ; Invertebrata
英文摘要: Forest fragmentation is a component of global change, with substantial impact on biodiversity and ecosystem functioning. Despite extensive evidence of forest fragmentation effects on above-ground ecological processes, little is understood about its below-ground effects. Abundance and richness of leaf litter fauna can be affected by forest fragmentation, and this can have cascading effects on the decomposition process. Here, we examine how fragmentation of a subtropical dry forest affects aspects of ecosystem structure and functioning, by unravel area and edge effects on leaf litter fauna and decomposition rates and testing whether changes in abundance or richness of litter fauna mediated fragment area and edge effects on litter decomposition. We incubated litterbags filled with a common substrate, at the edge and interior of 12 fragments of Chaco Serrano forest in Central Argentina, for 180 days. We found that invertebrate abundance was higher at the forest edge but independent of fragment area, whereas decomposition declined with fragment size independently of edge or interior location. According to our results, the effect of forest size on decomposition was not mediated by changes in abundance or richness of leaf litter fauna, suggesting independent changes in ecosystem structure and functioning. © 2019 Ecological Society of Australia
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/159552
Appears in Collections:气候变化与战略

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作者单位: Instituto Multidisciplinario de Biología Vegetal (CONICET-Universidad Nacional de Córdoba), Av. Vélez Sarsfield, Córdoba, 1611-(X5016GCA), Argentina; Universidad Siglo 21, Córdoba, Argentina; Centro de Investigaciones Entomológicas de Córdoba, FCEFN, Universidad Nacional de Córdoba, Córdoba, Argentina; Centro de Investigação em Biodiversidade e Recursos Genéticos (CIBIO), Vairão, Portugal; Alterra, Wageningen University and Research Centre, AAWageningen, Netherlands

Recommended Citation:
Moreno M.L.,Bernaschini M.L.,Pérez-Harguindeguy N.,et al. Chaco forest fragmentation effects on leaf litter decomposition are not explained by changes in litter fauna[J]. Austral Ecology,2020-01-01,45(1)
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