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Artículo

Determinants of the microstructure of plant-pollinator networks

Kaiser Bunbury, Christopher N.; Vazquez, Diego P.Icon ; Stang, Martina; Ghazoul, Jaboury
Fecha de publicación: 12/2014
Editorial: Ecological Society of America
Revista: Ecology
ISSN: 0012-9658
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ecología

Resumen

Identifying the determinants of biological interactions in mutualistic networks is key to understanding the rules that govern the organization of biodiversity. We used structural equation modeling and dissimilarities in nine ecological variables to investigate community processes underlying the turnover of species and their interaction frequencies (interaction pattern) among highly resolved plant-pollinator networks. Floral and pollinator community composition, i.e., species identities and their abundances, were strong determinants of the microstructure of pairwise interactions among the networks, explaining almost 69% of their variation. Flower and pollinator traits were directly related to interaction patterns, but were partly masked in the model by shared variance with community composition. Time of year and geographic location, floral and pollinator abundances independent of species identity, and relative abundance of exotic flowers had indirect and relatively weak effects on interaction patterns. Our analyses lead to precise predictions about the processes behind the interaction patterns in mutualistic networks. Future understanding of these processes will be aided by studies that evaluate these predictions experimentally at the network level.
Palabras clave: Forbidden Links , Indirect Interactions , Inselbergs , Interaction Neutrality , Mutualistic Networks , Pollination Webs , Relative Abundance , Seychelles Islands , Structural Equation Modeling , Western Indian Ocean
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/84128
URL: https://esajournals.onlinelibrary.wiley.com/doi/abs/10.1890/14-0024.1
DOI: http://dx.doi.org/10.1890/14-0024.1
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Citación
Kaiser Bunbury, Christopher N.; Vazquez, Diego P.; Stang, Martina; Ghazoul, Jaboury; Determinants of the microstructure of plant-pollinator networks; Ecological Society of America; Ecology; 95; 12; 12-2014; 3314-3324
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