Bats actively track and prey on grape pest populations

There is growing evidence about the role of insectivorous bats against agricultural pests in various crops. Nevertheless, little research addressed the aggregational and functional responses of bat assemblages to changes in pest availability across a spatio-temporal scale. Therefore, we examined the...

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Autores principales:	Unai Baroja, Inazio Garin, Nerea Vallejo, Joxerra Aihartza, Hugo Rebelo, Urtzi Goiti
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Bats Grape pests Aggregational response Functional response Ecosystem services Foraging guilds Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/0df885f9e44e4ddb82dcbc39ce03a82e
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id	oai:doaj.org-article:0df885f9e44e4ddb82dcbc39ce03a82e
record_format	dspace
spelling	oai:doaj.org-article:0df885f9e44e4ddb82dcbc39ce03a82e2021-12-01T04:51:58ZBats actively track and prey on grape pest populations1470-160X10.1016/j.ecolind.2021.107718https://doaj.org/article/0df885f9e44e4ddb82dcbc39ce03a82e2021-07-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21003836https://doaj.org/toc/1470-160XThere is growing evidence about the role of insectivorous bats against agricultural pests in various crops. Nevertheless, little research addressed the aggregational and functional responses of bat assemblages to changes in pest availability across a spatio-temporal scale. Therefore, we examined the activity and diet habits of different bat species using DNA metabarcoding by simultaneously monitoring the relative abundance of two major pests (the European grapevine moth, Lobesia botrana, and the leaf rolling tortrix, Sparganothis pilleriana) through the grape growing season, in a vineyard region of the Iberian Peninsula. During pest major irruptions, we found the highest bat activity levels and frequencies of grape pests in the diet of bats, although not all bat species contributed equally to pest suppression. Bats of different foraging guilds positively responded to pest abundances, indicating distinct bat species may synergistically play a role at suppressing agricultural pests at broad scales of the aerospace. For instance, narrow space foragers exploiting major irruptions in grape interior, edge space foragers hampering pest dispersion at local scale, and open space foragers preventing infestations of new grapevine patches at broader scales. Yet, our study exposed the current methodological constraints regarding pest dispersion dynamics, acoustic monitoring of bats’ foraging activity or the unfeasibility of metabarcoding to reliably quantify prey abundance in bats diet, and thus further improvement in these issues is required in order to gain insight on the agroecological interactions between bats and pests.Unai BarojaInazio GarinNerea VallejoJoxerra AihartzaHugo RebeloUrtzi GoitiElsevierarticleBatsGrape pestsAggregational responseFunctional responseEcosystem servicesForaging guildsEcologyQH540-549.5ENEcological Indicators, Vol 126, Iss , Pp 107718- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Bats Grape pests Aggregational response Functional response Ecosystem services Foraging guilds Ecology QH540-549.5
spellingShingle	Bats Grape pests Aggregational response Functional response Ecosystem services Foraging guilds Ecology QH540-549.5 Unai Baroja Inazio Garin Nerea Vallejo Joxerra Aihartza Hugo Rebelo Urtzi Goiti Bats actively track and prey on grape pest populations
description	There is growing evidence about the role of insectivorous bats against agricultural pests in various crops. Nevertheless, little research addressed the aggregational and functional responses of bat assemblages to changes in pest availability across a spatio-temporal scale. Therefore, we examined the activity and diet habits of different bat species using DNA metabarcoding by simultaneously monitoring the relative abundance of two major pests (the European grapevine moth, Lobesia botrana, and the leaf rolling tortrix, Sparganothis pilleriana) through the grape growing season, in a vineyard region of the Iberian Peninsula. During pest major irruptions, we found the highest bat activity levels and frequencies of grape pests in the diet of bats, although not all bat species contributed equally to pest suppression. Bats of different foraging guilds positively responded to pest abundances, indicating distinct bat species may synergistically play a role at suppressing agricultural pests at broad scales of the aerospace. For instance, narrow space foragers exploiting major irruptions in grape interior, edge space foragers hampering pest dispersion at local scale, and open space foragers preventing infestations of new grapevine patches at broader scales. Yet, our study exposed the current methodological constraints regarding pest dispersion dynamics, acoustic monitoring of bats’ foraging activity or the unfeasibility of metabarcoding to reliably quantify prey abundance in bats diet, and thus further improvement in these issues is required in order to gain insight on the agroecological interactions between bats and pests.
format	article
author	Unai Baroja Inazio Garin Nerea Vallejo Joxerra Aihartza Hugo Rebelo Urtzi Goiti
author_facet	Unai Baroja Inazio Garin Nerea Vallejo Joxerra Aihartza Hugo Rebelo Urtzi Goiti
author_sort	Unai Baroja
title	Bats actively track and prey on grape pest populations
title_short	Bats actively track and prey on grape pest populations
title_full	Bats actively track and prey on grape pest populations
title_fullStr	Bats actively track and prey on grape pest populations
title_full_unstemmed	Bats actively track and prey on grape pest populations
title_sort	bats actively track and prey on grape pest populations
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/0df885f9e44e4ddb82dcbc39ce03a82e
work_keys_str_mv	AT unaibaroja batsactivelytrackandpreyongrapepestpopulations AT inaziogarin batsactivelytrackandpreyongrapepestpopulations AT nereavallejo batsactivelytrackandpreyongrapepestpopulations AT joxerraaihartza batsactivelytrackandpreyongrapepestpopulations AT hugorebelo batsactivelytrackandpreyongrapepestpopulations AT urtzigoiti batsactivelytrackandpreyongrapepestpopulations
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Bats actively track and prey on grape pest populations

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