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Going out for dinner-The consumption of agriculture pests by bats in urban areas

PloS one, 2021-10, Vol.16 (10), p.e0258066 [Peer Reviewed Journal]

EISSN: 1932-6203 ;DOI: 10.1371/journal.pone.0258066

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  • Title:
    Going out for dinner-The consumption of agriculture pests by bats in urban areas
  • Author: Ludmilla M S Aguiar ; Igor D Bueno-Rocha ; Guilherme Oliveira ; Eder S Pires ; Santelmo Vasconcelos ; Gisele L Nunes ; Marina R Frizzas ; Pedro H B Togni
  • Is Part Of: PloS one, 2021-10, Vol.16 (10), p.e0258066
  • Description: Insectivorous bats provide ecosystem services in agricultural and urban landscapes by consuming arthropods that are considered pests. Bat species inhabiting cities are expected to consume insects associated with urban areas, such as mosquitoes, flying termites, moths, and beetles. We captured insectivorous bats in the Federal District of Brazil and used fecal DNA metabarcoding to investigate the arthropod consumed by five bat species living in colonies in city buildings, and ascertained whether their predation was related to ecosystem services. These insectivorous bat species were found to consume 83 morphospecies of arthropods and among these 41 were identified to species, most of which were agricultural pests. We propose that bats may roost in the city areas and forage in the nearby agricultural fields using their ability to fly over long distances. We also calculated the value of the pest suppression ecosystem service by the bats. By a conservative estimation, bats save US$ 94 per hectare of cornfields, accounting for an annual savings of US$ 390.6 million per harvest in Brazil. Our study confirms that, regardless of their roosting location, bats are essential for providing ecosystem services in the cities, with extensive impacts on crops and elsewhere, in addition to significant savings in the use of pesticides.
  • Publisher: Public Library of Science (PLoS)
  • Language: English
  • Identifier: EISSN: 1932-6203
    DOI: 10.1371/journal.pone.0258066
  • Source: Geneva Foundation Free Medical Journals at publisher websites
    PLoS
    PubMed Central
    ProQuest Central
    DOAJ Directory of Open Access Journals
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