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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Vydáno v:	Scientific reports Ročník 9; číslo 1; s. 4711
Hlavní autoři:	Valido, Alfredo, Rodríguez-Rodríguez, María C., Jordano, Pedro
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	London Nature Publishing Group UK 18.03.2019 Nature Publishing Group
Témata:	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
On-line přístup:	Získat plný text
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Shrnutí:	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.
Bibliografie:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 content type line 23
ISSN:	2045-2322 2045-2322
DOI:	10.1038/s41598-019-41271-5