Wind farm bat fatalities in southern Brazil: temporal patterns and influence of environmental factors
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRGS |
Texto Completo: | http://hdl.handle.net/10183/267842 |
Resumo: | Energy demand created by the present model of economic growth has transformed the natural land scape. Changes in megadiverse environments should be accompanied by studies that describe and predict the effects of these changes on ecosystems, underpinning the avoidance or at least the re duction of impacts and species conservation. Wind farm impacts on bats are scarcely known in Brazil. To fulfill this gap on spatiotemporal patterns in bat fatalities in a wind complex in southern Brazil were analysed. Monthly surveys were done around 129 wind towers in search for bat car casses between 2014 and 2018. The number of specimens found per species was analysed in annual sets and also seasonally to understand the influence of land use in the spatial pattern of bat fatalit ies. The activity of aerial insectivore bats was monitored using ultrasound detectors and modelled using Generalized Linear Models (GLM), using meteorological variables as predictors. As a result of 48 months of surveys, 266 carcasses of six insectivorous bat species were recorded. The highest number of fatalities belonged to Tadarida brasiliensis. Fatalities occurred exclusively between Oc tober and May (Austral Spring to Austral Autumn), mainly in towers near the closest urban centre. Most fatalities occurred in the first (69%) and fourth (17%) years of operation; fatalities were pos itively related to wind speed. Eighty-three percent of the bat activity occurred between 15 ◦C and 23 ◦C. To minimize fatalities of synanthropic bat species such as T. brasiliensis, we suggest that wind complexes should be located at least 4 km distant from the urban centres, where those species roost. Moreover, between December and March, when most species from subtropical and temper ate South America reproduce, wind towers located closer to known roosts should shut down on warmer nights, when bats are more active. |
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Amaral, Izidoro Sarmento doPereira, Maria João Veloso da Costa RamosMäder, AuréleaRosa, Marlon Ferraz daPereira, Jéssica BandeiraOliveira, Larissa Rosa de2023-11-30T03:24:22Z20200394-1914http://hdl.handle.net/10183/267842001176968Energy demand created by the present model of economic growth has transformed the natural land scape. Changes in megadiverse environments should be accompanied by studies that describe and predict the effects of these changes on ecosystems, underpinning the avoidance or at least the re duction of impacts and species conservation. Wind farm impacts on bats are scarcely known in Brazil. To fulfill this gap on spatiotemporal patterns in bat fatalities in a wind complex in southern Brazil were analysed. Monthly surveys were done around 129 wind towers in search for bat car casses between 2014 and 2018. The number of specimens found per species was analysed in annual sets and also seasonally to understand the influence of land use in the spatial pattern of bat fatalit ies. The activity of aerial insectivore bats was monitored using ultrasound detectors and modelled using Generalized Linear Models (GLM), using meteorological variables as predictors. As a result of 48 months of surveys, 266 carcasses of six insectivorous bat species were recorded. The highest number of fatalities belonged to Tadarida brasiliensis. Fatalities occurred exclusively between Oc tober and May (Austral Spring to Austral Autumn), mainly in towers near the closest urban centre. Most fatalities occurred in the first (69%) and fourth (17%) years of operation; fatalities were pos itively related to wind speed. Eighty-three percent of the bat activity occurred between 15 ◦C and 23 ◦C. To minimize fatalities of synanthropic bat species such as T. brasiliensis, we suggest that wind complexes should be located at least 4 km distant from the urban centres, where those species roost. Moreover, between December and March, when most species from subtropical and temper ate South America reproduce, wind towers located closer to known roosts should shut down on warmer nights, when bats are more active.application/pdfengHystrix: the italian journal of mammalogy. [Roma]. Vol. 31, no. 1 (2020), p. 40–47ChiropteraTadarida brasiliensisParque eólicoMonitoramento ambientalMitigaçãoMortalidade animalEnvironmental monitoringMitigationWind turbinesBioacousticsScavenger removalWind farm bat fatalities in southern Brazil: temporal patterns and influence of environmental factorsEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSTEXT001176968.pdf.txt001176968.pdf.txtExtracted Texttext/plain54662http://www.lume.ufrgs.br/bitstream/10183/267842/2/001176968.pdf.txtc6559594ead6eb23fb83176fe0405b88MD52ORIGINAL001176968.pdfTexto completo (inglês)application/pdf1684351http://www.lume.ufrgs.br/bitstream/10183/267842/1/001176968.pdf0db9c50a32c47b59140077f830d61766MD5110183/2678422023-12-01 04:26:17.121425oai:www.lume.ufrgs.br:10183/267842Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2023-12-01T06:26:17Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false |
dc.title.pt_BR.fl_str_mv |
Wind farm bat fatalities in southern Brazil: temporal patterns and influence of environmental factors |
title |
Wind farm bat fatalities in southern Brazil: temporal patterns and influence of environmental factors |
spellingShingle |
Wind farm bat fatalities in southern Brazil: temporal patterns and influence of environmental factors Amaral, Izidoro Sarmento do Chiroptera Tadarida brasiliensis Parque eólico Monitoramento ambiental Mitigação Mortalidade animal Environmental monitoring Mitigation Wind turbines Bioacoustics Scavenger removal |
title_short |
Wind farm bat fatalities in southern Brazil: temporal patterns and influence of environmental factors |
title_full |
Wind farm bat fatalities in southern Brazil: temporal patterns and influence of environmental factors |
title_fullStr |
Wind farm bat fatalities in southern Brazil: temporal patterns and influence of environmental factors |
title_full_unstemmed |
Wind farm bat fatalities in southern Brazil: temporal patterns and influence of environmental factors |
title_sort |
Wind farm bat fatalities in southern Brazil: temporal patterns and influence of environmental factors |
author |
Amaral, Izidoro Sarmento do |
author_facet |
Amaral, Izidoro Sarmento do Pereira, Maria João Veloso da Costa Ramos Mäder, Aurélea Rosa, Marlon Ferraz da Pereira, Jéssica Bandeira Oliveira, Larissa Rosa de |
author_role |
author |
author2 |
Pereira, Maria João Veloso da Costa Ramos Mäder, Aurélea Rosa, Marlon Ferraz da Pereira, Jéssica Bandeira Oliveira, Larissa Rosa de |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Amaral, Izidoro Sarmento do Pereira, Maria João Veloso da Costa Ramos Mäder, Aurélea Rosa, Marlon Ferraz da Pereira, Jéssica Bandeira Oliveira, Larissa Rosa de |
dc.subject.por.fl_str_mv |
Chiroptera Tadarida brasiliensis Parque eólico Monitoramento ambiental Mitigação Mortalidade animal |
topic |
Chiroptera Tadarida brasiliensis Parque eólico Monitoramento ambiental Mitigação Mortalidade animal Environmental monitoring Mitigation Wind turbines Bioacoustics Scavenger removal |
dc.subject.eng.fl_str_mv |
Environmental monitoring Mitigation Wind turbines Bioacoustics Scavenger removal |
description |
Energy demand created by the present model of economic growth has transformed the natural land scape. Changes in megadiverse environments should be accompanied by studies that describe and predict the effects of these changes on ecosystems, underpinning the avoidance or at least the re duction of impacts and species conservation. Wind farm impacts on bats are scarcely known in Brazil. To fulfill this gap on spatiotemporal patterns in bat fatalities in a wind complex in southern Brazil were analysed. Monthly surveys were done around 129 wind towers in search for bat car casses between 2014 and 2018. The number of specimens found per species was analysed in annual sets and also seasonally to understand the influence of land use in the spatial pattern of bat fatalit ies. The activity of aerial insectivore bats was monitored using ultrasound detectors and modelled using Generalized Linear Models (GLM), using meteorological variables as predictors. As a result of 48 months of surveys, 266 carcasses of six insectivorous bat species were recorded. The highest number of fatalities belonged to Tadarida brasiliensis. Fatalities occurred exclusively between Oc tober and May (Austral Spring to Austral Autumn), mainly in towers near the closest urban centre. Most fatalities occurred in the first (69%) and fourth (17%) years of operation; fatalities were pos itively related to wind speed. Eighty-three percent of the bat activity occurred between 15 ◦C and 23 ◦C. To minimize fatalities of synanthropic bat species such as T. brasiliensis, we suggest that wind complexes should be located at least 4 km distant from the urban centres, where those species roost. Moreover, between December and March, when most species from subtropical and temper ate South America reproduce, wind towers located closer to known roosts should shut down on warmer nights, when bats are more active. |
publishDate |
2020 |
dc.date.issued.fl_str_mv |
2020 |
dc.date.accessioned.fl_str_mv |
2023-11-30T03:24:22Z |
dc.type.driver.fl_str_mv |
Estrangeiro info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10183/267842 |
dc.identifier.issn.pt_BR.fl_str_mv |
0394-1914 |
dc.identifier.nrb.pt_BR.fl_str_mv |
001176968 |
identifier_str_mv |
0394-1914 001176968 |
url |
http://hdl.handle.net/10183/267842 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Hystrix: the italian journal of mammalogy. [Roma]. Vol. 31, no. 1 (2020), p. 40–47 |
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info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
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application/pdf |
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