Can heat waves change the trophic role of the world's most invasive crayfish ? Diet shifts in Procambarus clarkii

Detalhes bibliográficos
Autor(a) principal: Carreira, Bruno M.
Data de Publicação: 2017
Outros Autores: Segurado, Pedro, Laurila, Anssi, Rebelo, Rui
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.5/14140
Resumo: Research Article
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spelling Can heat waves change the trophic role of the world's most invasive crayfish ? Diet shifts in Procambarus clarkiiProcambarus clarkiiinvasive crayfishheat wavestrophic roleResearch ArticleIn the Mediterranean basin, the globally increasing temperatures are expected to be accompanied by longer heat waves. Commonly assumed to benefit cold-limited invasive alien species, these climatic changes may also change their feeding preferences, especially in the case of omnivorous ectotherms. We investigated heat wave effects on diet choice, growth and energy reserves in the invasive red swamp crayfish, Procambarus clarkii. In laboratory experiments, we fed juvenile and adult crayfish on animal, plant or mixed diets and exposed them to a short or a long heat wave. We then measured crayfish survival, growth, body reserves and Fulton's condition index. Diet choices of the crayfish maintained on the mixed diet were estimated using stable isotopes (13C and 15N). The results suggest a decreased efficiency of carnivorous diets at higher temperatures, as juveniles fed on the animal diet were unable to maintain high growth rates in the long heat wave; and a decreased efficiency of herbivorous diets at lower temperatures, as juveniles in the cold accumulated less body reserves when fed on the plant diet. Heat wave treatments increased the assimilation of plant material, especially in juveniles, allowing them to sustain high growth rates in the long heat wave. Contrary to our expectations, crayfish performance decreased in the long heat wave, suggesting that Mediterranean summer heat waves may have negative effects on P. clarkii and that they are unlikely to boost its populations in this region. Although uncertain, it is possible that the greater assimilation of the plant diet resulted from changes in crayfish feeding preferences, raising the hypotheses that i) heat waves may change the predominant impacts of this keystone species and ii) that by altering species' trophic niches, climate change may alter the main impacts of invasive alien speciesHans G. Dam, University of Connecticut, UNITED STATESRepositório da Universidade de LisboaCarreira, Bruno M.Segurado, PedroLaurila, AnssiRebelo, Rui2017-10-04T14:47:33Z20172017-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.5/14140engCarreira BM, Segurado P, Laurila A, Rebelo R (2017) Can heat waves change the trophic role of the world's most invasive crayfish? Diet shifts in Procambarus clarkii. PLoS ONE 12(9): e0183108.https://doi.org/10.1371/journal. pone.0183108info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-03-06T14:44:12Zoai:www.repository.utl.pt:10400.5/14140Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T17:00:01.534984Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Can heat waves change the trophic role of the world's most invasive crayfish ? Diet shifts in Procambarus clarkii
title Can heat waves change the trophic role of the world's most invasive crayfish ? Diet shifts in Procambarus clarkii
spellingShingle Can heat waves change the trophic role of the world's most invasive crayfish ? Diet shifts in Procambarus clarkii
Carreira, Bruno M.
Procambarus clarkii
invasive crayfish
heat waves
trophic role
title_short Can heat waves change the trophic role of the world's most invasive crayfish ? Diet shifts in Procambarus clarkii
title_full Can heat waves change the trophic role of the world's most invasive crayfish ? Diet shifts in Procambarus clarkii
title_fullStr Can heat waves change the trophic role of the world's most invasive crayfish ? Diet shifts in Procambarus clarkii
title_full_unstemmed Can heat waves change the trophic role of the world's most invasive crayfish ? Diet shifts in Procambarus clarkii
title_sort Can heat waves change the trophic role of the world's most invasive crayfish ? Diet shifts in Procambarus clarkii
author Carreira, Bruno M.
author_facet Carreira, Bruno M.
Segurado, Pedro
Laurila, Anssi
Rebelo, Rui
author_role author
author2 Segurado, Pedro
Laurila, Anssi
Rebelo, Rui
author2_role author
author
author
dc.contributor.none.fl_str_mv Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Carreira, Bruno M.
Segurado, Pedro
Laurila, Anssi
Rebelo, Rui
dc.subject.por.fl_str_mv Procambarus clarkii
invasive crayfish
heat waves
trophic role
topic Procambarus clarkii
invasive crayfish
heat waves
trophic role
description Research Article
publishDate 2017
dc.date.none.fl_str_mv 2017-10-04T14:47:33Z
2017
2017-01-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.5/14140
url http://hdl.handle.net/10400.5/14140
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Carreira BM, Segurado P, Laurila A, Rebelo R (2017) Can heat waves change the trophic role of the world's most invasive crayfish? Diet shifts in Procambarus clarkii. PLoS ONE 12(9): e0183108.
https://doi.org/10.1371/journal. pone.0183108
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Hans G. Dam, University of Connecticut, UNITED STATES
publisher.none.fl_str_mv Hans G. Dam, University of Connecticut, UNITED STATES
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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