A plant-pollinator metanetwork along a habitat fragmentation gradient.
calcareous grasslands
landscape ecology
mutualism
network theory
plant-pollinator interactions
Journal
Ecology letters
ISSN: 1461-0248
Titre abrégé: Ecol Lett
Pays: England
ID NLM: 101121949
Informations de publication
Date de publication:
Dec 2021
Dec 2021
Historique:
revised:
25
04
2021
received:
17
03
2021
accepted:
27
08
2021
pubmed:
7
10
2021
medline:
16
11
2021
entrez:
6
10
2021
Statut:
ppublish
Résumé
To understand how plant-pollinator interactions respond to habitat fragmentation, we need novel approaches that can capture properties that emerge at broad scales, where multiple communities engage in metanetworks. Here we studied plant-pollinator interactions over 2 years on 29 calcareous grassland fragments selected along independent gradients of habitat size and surrounding landscape diversity of cover types. We associated network centrality of plant-pollinator interactions and grassland fragments with their ecological and landscape traits, respectively. Interactions involving habitat specialist plants and large-bodied pollinators were the most central, implying that species with these traits form the metanetwork core. Large fragments embedded in landscapes with high land cover diversity exhibited the highest centrality; however, small fragments harboured many unique interactions not found on larger fragments. Intensively managed landscapes have reached a point in which all remaining fragments matter, meaning that losing any further areas may vanish unique interactions with unknown consequences for ecosystem functioning.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2700-2712Subventions
Organisme : Deutsche Forschungsgemeinschaft
ID : 152112243
Informations de copyright
© 2021 The Authors. Ecology Letters published by John Wiley & Sons Ltd.
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