Seed dispersal effectiveness by a large-bodied invasive species in defaunated landscapes

Detalhes bibliográficos
Autor(a) principal: Pedrosa, Felipe [UNESP]
Data de Publicação: 2019
Outros Autores: Bercê, William [UNESP], Levi, Taal, Pires, Mathias, Galetti, Mauro [UNESP]
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1111/btp.12706
http://hdl.handle.net/11449/201279
Resumo: Animal-dispersed plants are increasingly reliant on effective seed dispersal provided by small-bodied frugivores in defaunated habitats. In the Neotropical region, the non-native wild pig (Sus scrofa) is expanding its distribution and we hypothesized that they can be a surrogate for seed dispersal services lost by defaunation. We performed a thorough analysis of their interaction patterns, interaction frequencies, seed viability, and characteristics of the seed shadows they produce. We found 15,087 intact seeds in 56% of the stomachs and 5,186 intact seeds in 90% of the scats analyzed, 95% of which were smaller than 10 mm in diameter. Wild pigs were the third most effective disperser among 21 extant frugivore species in a feeding trail experiment in terms of quantity of seeds removed. Gut retention time was 70 ± 23 hr, indicating wild pigs can promote long-distance seed dispersal. Seed survival after seed handling and gut passage by wild pigs was positively related with seed size, but large seeds were spat out and only smaller seeds were defecated intact, for which we observed a positive or neutral effect on germination relative to manually de-pulped seeds. Finally, deposition of seeds was four times more frequent in unsuitable than suitable sites for seedling recruitment and establishment. Seed dispersal effectiveness by wild pigs is high in terms of the quantity of seeds dispersed but variable in terms of the quality of the service provided. Our study highlights that negative and positive effects delivered by non-native species should be examined in a case by case scenario. Abstract in Portuguese is available with online material.
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spelling Seed dispersal effectiveness by a large-bodied invasive species in defaunated landscapesalien speciesAnthropoceneAtlantic Forestecosystem servicesferal pigfragmentationfrugivorySus scrofaAnimal-dispersed plants are increasingly reliant on effective seed dispersal provided by small-bodied frugivores in defaunated habitats. In the Neotropical region, the non-native wild pig (Sus scrofa) is expanding its distribution and we hypothesized that they can be a surrogate for seed dispersal services lost by defaunation. We performed a thorough analysis of their interaction patterns, interaction frequencies, seed viability, and characteristics of the seed shadows they produce. We found 15,087 intact seeds in 56% of the stomachs and 5,186 intact seeds in 90% of the scats analyzed, 95% of which were smaller than 10 mm in diameter. Wild pigs were the third most effective disperser among 21 extant frugivore species in a feeding trail experiment in terms of quantity of seeds removed. Gut retention time was 70 ± 23 hr, indicating wild pigs can promote long-distance seed dispersal. Seed survival after seed handling and gut passage by wild pigs was positively related with seed size, but large seeds were spat out and only smaller seeds were defecated intact, for which we observed a positive or neutral effect on germination relative to manually de-pulped seeds. Finally, deposition of seeds was four times more frequent in unsuitable than suitable sites for seedling recruitment and establishment. Seed dispersal effectiveness by wild pigs is high in terms of the quantity of seeds dispersed but variable in terms of the quality of the service provided. Our study highlights that negative and positive effects delivered by non-native species should be examined in a case by case scenario. Abstract in Portuguese is available with online material.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Department of Ecology Institute of Biosciences São Paulo State University (UNESP)Department of Fisheries and Wildlife Oregon State UniversityDepartment of Animal Biology Institute of Biology Campinas State University (UNICAMP)Department of Biology University of MiamiDepartment of Ecology Institute of Biosciences São Paulo State University (UNESP)FAPESP: 2014/50434-0FAPESP: 2015/18381-6FAPESP: 2015/22844-1FAPESP: 2016/01986-0FAPESP: 2016/15436-7Universidade Estadual Paulista (Unesp)Oregon State UniversityUniversidade Estadual de Campinas (UNICAMP)University of MiamiPedrosa, Felipe [UNESP]Bercê, William [UNESP]Levi, TaalPires, MathiasGaletti, Mauro [UNESP]2020-12-12T02:28:37Z2020-12-12T02:28:37Z2019-11-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article862-873http://dx.doi.org/10.1111/btp.12706Biotropica, v. 51, n. 6, p. 862-873, 2019.1744-74290006-3606http://hdl.handle.net/11449/20127910.1111/btp.127062-s2.0-85074100190Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengBiotropicainfo:eu-repo/semantics/openAccess2021-10-22T16:05:24Zoai:repositorio.unesp.br:11449/201279Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T22:00:48.472921Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Seed dispersal effectiveness by a large-bodied invasive species in defaunated landscapes
title Seed dispersal effectiveness by a large-bodied invasive species in defaunated landscapes
spellingShingle Seed dispersal effectiveness by a large-bodied invasive species in defaunated landscapes
Pedrosa, Felipe [UNESP]
alien species
Anthropocene
Atlantic Forest
ecosystem services
feral pig
fragmentation
frugivory
Sus scrofa
title_short Seed dispersal effectiveness by a large-bodied invasive species in defaunated landscapes
title_full Seed dispersal effectiveness by a large-bodied invasive species in defaunated landscapes
title_fullStr Seed dispersal effectiveness by a large-bodied invasive species in defaunated landscapes
title_full_unstemmed Seed dispersal effectiveness by a large-bodied invasive species in defaunated landscapes
title_sort Seed dispersal effectiveness by a large-bodied invasive species in defaunated landscapes
author Pedrosa, Felipe [UNESP]
author_facet Pedrosa, Felipe [UNESP]
Bercê, William [UNESP]
Levi, Taal
Pires, Mathias
Galetti, Mauro [UNESP]
author_role author
author2 Bercê, William [UNESP]
Levi, Taal
Pires, Mathias
Galetti, Mauro [UNESP]
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (Unesp)
Oregon State University
Universidade Estadual de Campinas (UNICAMP)
University of Miami
dc.contributor.author.fl_str_mv Pedrosa, Felipe [UNESP]
Bercê, William [UNESP]
Levi, Taal
Pires, Mathias
Galetti, Mauro [UNESP]
dc.subject.por.fl_str_mv alien species
Anthropocene
Atlantic Forest
ecosystem services
feral pig
fragmentation
frugivory
Sus scrofa
topic alien species
Anthropocene
Atlantic Forest
ecosystem services
feral pig
fragmentation
frugivory
Sus scrofa
description Animal-dispersed plants are increasingly reliant on effective seed dispersal provided by small-bodied frugivores in defaunated habitats. In the Neotropical region, the non-native wild pig (Sus scrofa) is expanding its distribution and we hypothesized that they can be a surrogate for seed dispersal services lost by defaunation. We performed a thorough analysis of their interaction patterns, interaction frequencies, seed viability, and characteristics of the seed shadows they produce. We found 15,087 intact seeds in 56% of the stomachs and 5,186 intact seeds in 90% of the scats analyzed, 95% of which were smaller than 10 mm in diameter. Wild pigs were the third most effective disperser among 21 extant frugivore species in a feeding trail experiment in terms of quantity of seeds removed. Gut retention time was 70 ± 23 hr, indicating wild pigs can promote long-distance seed dispersal. Seed survival after seed handling and gut passage by wild pigs was positively related with seed size, but large seeds were spat out and only smaller seeds were defecated intact, for which we observed a positive or neutral effect on germination relative to manually de-pulped seeds. Finally, deposition of seeds was four times more frequent in unsuitable than suitable sites for seedling recruitment and establishment. Seed dispersal effectiveness by wild pigs is high in terms of the quantity of seeds dispersed but variable in terms of the quality of the service provided. Our study highlights that negative and positive effects delivered by non-native species should be examined in a case by case scenario. Abstract in Portuguese is available with online material.
publishDate 2019
dc.date.none.fl_str_mv 2019-11-01
2020-12-12T02:28:37Z
2020-12-12T02:28:37Z
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://dx.doi.org/10.1111/btp.12706
Biotropica, v. 51, n. 6, p. 862-873, 2019.
1744-7429
0006-3606
http://hdl.handle.net/11449/201279
10.1111/btp.12706
2-s2.0-85074100190
url http://dx.doi.org/10.1111/btp.12706
http://hdl.handle.net/11449/201279
identifier_str_mv Biotropica, v. 51, n. 6, p. 862-873, 2019.
1744-7429
0006-3606
10.1111/btp.12706
2-s2.0-85074100190
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Biotropica
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 862-873
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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