globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12909
Scopus记录号: 2-s2.0-85041050778
论文题名:
Seed-dispersal interactions in fragmented landscapes – a metanetwork approach
作者: Emer C.; Galetti M.; Pizo M.A.; Guimarães P.R.; Jr.; Moraes S.; Piratelli A.; Jordano P.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2018
卷: 21, 期:4
起始页码: 484
结束页码: 493
语种: 英语
英文关键词: Atlantic Forest ; avian seed-dispersal interactions ; beta-diversity of interactions ; defaunation ; ecological functions ; habitat fragmentation ; interaction centrality ; meta-community ; mobile links ; tropical conservation
Scopus关键词: Aves
英文摘要: Mutualistic interactions repeatedly preserved across fragmented landscapes can scale-up to form a spatial metanetwork describing the distribution of interactions across patches. We explored the structure of a bird seed-dispersal (BSD) metanetwork in 16 Neotropical forest fragments to test whether a distinct subset of BSD-interactions may mediate landscape functional connectivity. The metanetwork is interaction-rich, modular and poorly connected, showing high beta-diversity and turnover of species and interactions. Interactions involving large-sized species were lost in fragments < 10 000 ha, indicating a strong filtering by habitat fragmentation on the functional diversity of BSD-interactions. Persistent interactions were performed by small-seeded, fast growing plant species and by generalist, small-bodied bird species able to cross the fragmented landscape. This reduced subset of interactions forms the metanetwork components persisting to defaunation and fragmentation, and may generate long-term deficits of carbon storage while delaying forest regeneration at the landscape level. © 2018 John Wiley & Sons Ltd/CNRS
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107477
Appears in Collections:气候减缓与适应

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作者单位: Departmento de Ecologia, Instituto de Biociências, Universidade Estadual Paulista, Rio Claro – SP, Brazil; Integrative Ecology Group, Estación Biológica de Doñana, Consejo Superior de Investigaciones Científicas (EBD-CSIC), Av. Américo Vespucio 26, Sevilla, Spain; Departmento de Zoologia, Instituto de Biociências, Universidade Estadual Paulista, Rio Claro – SP, Brazil; Departamento de Ecologia, Instituto de Biociências, Universidade de São Paulo, São Paulo – SP, Brazil; Departamento de Ciências Ambientais, Universidade Federal de São Carlos, Rodovia João Leme dos Santos, Km 110, SP-264, Sorocaba – SP, Brazil

Recommended Citation:
Emer C.,Galetti M.,Pizo M.A.,et al. Seed-dispersal interactions in fragmented landscapes – a metanetwork approach[J]. Ecology Letters,2018-01-01,21(4)
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