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dc.contributor.author
González Castro, Aarón
dc.contributor.author
Morán López, Teresa
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dc.contributor.author
Nogales, Manuel
dc.contributor.author
Traveset, Anna
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dc.date.available
2023-01-06T19:36:12Z
dc.date.issued
2021-06
dc.identifier.citation
González Castro, Aarón; Morán López, Teresa; Nogales, Manuel; Traveset, Anna; Changes in the structure of seed dispersal networks when including interaction outcomes from both plant and animal perspectives; Wiley Blackwell Publishing, Inc; Oikos; 2022; 2; 6-2021; 1-13
dc.identifier.issn
0030-1299
dc.identifier.uri
http://hdl.handle.net/11336/183823
dc.description.abstract
Interaction frequency is the most common currency in quantitative ecological networks, although interaction quality can also affect benefits provided by mutualisms. Here, we evaluate if interaction quality can modify network topology, species' role and whether such changes affect community vulnerability to species loss. We use a well-examined study system (bird–lizard and fleshy-fruited plants in the ‘thermophilous' woodland of the Canary Islands) to compare network and species-level metrics from a network based on fruit consumption rates (interaction frequency, IF), against networks reflecting functional outcomes: a seed dispersal effectiveness network (SDE) quantifying recruitment, and a fruit resource provisioning network (FRP), accounting for the nutrient supply of fruits. Nestedness decreased in the FRP and the SDE networks, due to the lack of association between fruit consumption rates and 1) nutrient content and; 2) recruitment at the seed deposition sites, respectively. The FRP network showed lower niche overlap due to resource use complementarity among frugivores. Interaction evenness was lower in the SDE network, in response to a higher dominance of lizards in the recruitment of heliophilous species. Such changes, however, did not result in enhanced vulnerability against extinctions. At the plant species level, strength changed in the FRP network in frequently consumed or highly nutritious species. The number of effective partners decreased for species whose seeds were deposited in unsuitable places for recruitment. In frugivores, strength was consistent across networks (SDE vs IF), showing that consumption rates outweighed differences in dispersal quality. In the case of lizards, the increased importance of nutrient-rich species resulted in a higher number of effective partners. Our work shows that although frequency strongly impacts interaction effects, accounting for quality improves our inferences about interaction assembly and species role. Thus, future studies including interaction outcomes from both partners' perspectives will provide valuable insights about the net effects of mutualistic interactions.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CANARY ISLANDS
dc.subject
COEXTINCTION CASCADES
dc.subject
FRUIT RESOURCE PROVISIONING
dc.subject
MUTUALISTIC NETWORKS
dc.subject
SEED DISPERSAL EFFECTIVENESS
dc.subject.classification
Ecología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Changes in the structure of seed dispersal networks when including interaction outcomes from both plant and animal perspectives
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-10-06T13:14:05Z
dc.journal.volume
2022
dc.journal.number
2
dc.journal.pagination
1-13
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: González Castro, Aarón. Canary Islands Ornithology and Natural History Group; España. Consejo Superior de Investigaciones Cientificas. Instituto de Productos Naturales y Agrobiologia.; España
dc.description.fil
Fil: Morán López, Teresa. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Patagonia Norte. Instituto de Investigaciones En Biodiversidad y Medioambiente. Subsede San Martín de Los Andes-inibioma | Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Instituto de Investigaciones En Biodiversidad y Medioambiente. Subsede San Martín de Los Andes-inibioma.; Argentina
dc.description.fil
Fil: Nogales, Manuel. Consejo Superior de Investigaciones Cientificas. Instituto de Productos Naturales y Agrobiologia.; España
dc.description.fil
Fil: Traveset, Anna. Consejo Superior de Investigaciones Científicas. Instituto Mediterráneo de Estudios Avanzados; España
dc.journal.title
Oikos
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1111/oik.08315
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/oik.08315
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