Honeybees disrupt the structure and functionality of plant-pollinator networks

The honeybee is the primary managed species worldwide for both crop pollination and honey production. Owing to beekeeping activity, its high relative abundance potentially affects the structure and functioning of pollination networks in natural ecosystems. Given that evidences about beekeeping impac...

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Veröffentlicht in:Scientific reports Jg. 9; H. 1; S. 4711
Hauptverfasser: Valido, Alfredo, Rodríguez-Rodríguez, María C., Jordano, Pedro
Format: Journal Article
Sprache:Englisch
Veröffentlicht: London Nature Publishing Group UK 18.03.2019
Nature Publishing Group
Schlagworte:
631/158/2463
631/158/672
Animal reproduction
Animals
Apiculture
Beehives
Beekeeping
Bees - physiology
Biodiversity
Breeding success
Ecosystem assessment
Ecosystems
Fruit - growth & development
Germination - physiology
Honey
Humanities and Social Sciences
multidisciplinary
Observational studies
Plant reproduction
Plant species
Pollination
Pollination - physiology
Pollinators
Relative abundance
Reproduction
Science
Science (multidisciplinary)
Seeds - growth & development
Species
ISSN:2045-2322, 2045-2322
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Beschreibung
Zusammenfassung:The honeybee is the primary managed species worldwide for both crop pollination and honey production. Owing to beekeeping activity, its high relative abundance potentially affects the structure and functioning of pollination networks in natural ecosystems. Given that evidences about beekeeping impacts are restricted to observational studies of specific species and theoretical simulations, we still lack experimental data to test for their larger-scale impacts on biodiversity. Here we used a three-year field experiment in a natural ecosystem to compare the effects of pre- and post-establishment stages of beehives on the pollination network structure and plant reproductive success. Our results show that beekeeping reduces the diversity of wild pollinators and interaction links in the pollination networks. It disrupts their hierarchical structural organization causing the loss of interactions by generalist species, and also impairs pollination services by wild pollinators through reducing the reproductive success of those plant species highly visited by honeybees. High-density beekeeping in natural areas appears to have lasting, more serious negative impacts on biodiversity than was previously assumed.
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ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-019-41271-5