Post-fire resprout in an endangered and narrow endemic shrub from rupestrian grasslands, Serra do Cipó, southeastern Brazil

Although there is evidence that the vegetation from rupestrian grasslands is resilient to fire, investigations about the effects of increasing frequency of anthropogenic fires in the rare and endemic plants from this ecosystem are still incipient. In this study, we monitored the post-fire resproutin...

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Published in:Neotropical Biology and Conservation
Main Authors: Furst, Henrique, da Silva, Ronnie P., Fernandes, G. Wilson, Gallupo, Laura Z., Machado, Isabel C.A., Villar, Pedro, Negreiros, Daniel
Other Authors: Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Fundação de Amparo à Pesquisa de Minas Gerais (FAPEMIG), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Format: Article in Journal/Newspaper
Language:Portuguese
Published: Neotropical Biology and Conservation 2017
Subjects:
Online Access:http://revistas.unisinos.br/index.php/neotropical/article/view/nbc.2017.122.07
https://doi.org/10.4013/nbc.2017.122.07
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description Although there is evidence that the vegetation from rupestrian grasslands is resilient to fire, investigations about the effects of increasing frequency of anthropogenic fires in the rare and endemic plants from this ecosystem are still incipient. In this study, we monitored the post-fire resprouting of the endemic and endangered shrub species Coccoloba cereifera Schwacke (Polygonaceae) from rupestrian grasslands, southeastern Brazil. Five months after the fire 100% of the monitored individuals resprouted. However, one year after the fire, the burned plants had the ramet length 24% lower and number of leaves 53.5% smaller in relation to unburned plants. Burned plants showed a much higher relative growth rate in number of leaves and much lower reproductive investment compared to unburned plants. Although the studied species showed a high ability to resprout after fire, the pattern of vegetative growth and reproductive investment showed by the burned plants suggested that the increasing frequency of anthropogenic fires represents a serious threat to C. cereifera.Keywords: Coccoloba cereifera, conservation, Espinhaço Range, plant growth, reproductive phenology. Embora existam evidências de que a vegetação dos campos rupestres seja resiliente à passagem do fogo, são incipientes as investigações sobre os efeitos da crescente frequência de incêndios de origem antrópica em plantas raras e endêmicas desse ecossistema. Neste estudo, monitoramos o rebrotamento pós-fogo da espécie Coccoloba cereifera Schwacke (Polygonaceae), um arbusto ameaçado e endêmico dos campos rupestres do sudeste do Brasil. Cinco meses após o incêndio, rebrotaram 100% dos indivíduos monitorados. Entretanto, um ano após o incêndio, as plantas queimadas ainda apresentaram comprimento da rameta 24% inferior e número de folhas 53,5% inferior em relação ao porte das plantas não queimadas. As plantas queimadas apresentaram taxa de crescimento relativo em número de folhas muito superior e investimento reprodutivo muito inferior em comparação com as plantas não queimadas. Embora a espécie estudada demonstre alta capacidade de rebrotamento pós-fogo, o padrão de crescimento vegetativo e investimento reprodutivo apresentado pelas plantas rebrotadas indica que a crescente frequência de incêndios antrópicos represente uma séria ameaça para C. cereifera.Palavras-chave: Cadeia do Espinhaço, conservação, Coccoloba cereifera, crescimento de plantas, fenologia reprodutiva.
author2 Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Fundação de Amparo à Pesquisa de Minas Gerais (FAPEMIG), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
format Article in Journal/Newspaper
author Furst, Henrique
da Silva, Ronnie P.
Fernandes, G. Wilson
Gallupo, Laura Z.
Machado, Isabel C.A.
Villar, Pedro
Negreiros, Daniel
spellingShingle Furst, Henrique
da Silva, Ronnie P.
Fernandes, G. Wilson
Gallupo, Laura Z.
Machado, Isabel C.A.
Villar, Pedro
Negreiros, Daniel
Post-fire resprout in an endangered and narrow endemic shrub from rupestrian grasslands, Serra do Cipó, southeastern Brazil
author_facet Furst, Henrique
da Silva, Ronnie P.
Fernandes, G. Wilson
Gallupo, Laura Z.
Machado, Isabel C.A.
Villar, Pedro
Negreiros, Daniel
author_sort Furst, Henrique
title Post-fire resprout in an endangered and narrow endemic shrub from rupestrian grasslands, Serra do Cipó, southeastern Brazil
title_short Post-fire resprout in an endangered and narrow endemic shrub from rupestrian grasslands, Serra do Cipó, southeastern Brazil
title_full Post-fire resprout in an endangered and narrow endemic shrub from rupestrian grasslands, Serra do Cipó, southeastern Brazil
title_fullStr Post-fire resprout in an endangered and narrow endemic shrub from rupestrian grasslands, Serra do Cipó, southeastern Brazil
title_full_unstemmed Post-fire resprout in an endangered and narrow endemic shrub from rupestrian grasslands, Serra do Cipó, southeastern Brazil
title_sort post-fire resprout in an endangered and narrow endemic shrub from rupestrian grasslands, serra do cipó, southeastern brazil
publisher Neotropical Biology and Conservation
publishDate 2017
url http://revistas.unisinos.br/index.php/neotropical/article/view/nbc.2017.122.07
https://doi.org/10.4013/nbc.2017.122.07
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geographic Alta
Fogo
Sudeste
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Fogo
Sudeste
genre Alta
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op_source Neotropical Biology and Conservation; v. 12, n. 2 (2017): Maio/Agosto; 143-149
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spelling ftunisinosojs:oai:ojs.www.unisinos.br:article/12543 2023-05-15T13:21:12+02:00 Post-fire resprout in an endangered and narrow endemic shrub from rupestrian grasslands, Serra do Cipó, southeastern Brazil Rebrotamento pós-fogo em arbusto ameaçado e microendêmico dos campos rupestres da Serra do Cipó, sudeste do Brasil Furst, Henrique da Silva, Ronnie P. Fernandes, G. Wilson Gallupo, Laura Z. Machado, Isabel C.A. Villar, Pedro Negreiros, Daniel Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Fundação de Amparo à Pesquisa de Minas Gerais (FAPEMIG), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) 2017-04-25 application/pdf http://revistas.unisinos.br/index.php/neotropical/article/view/nbc.2017.122.07 https://doi.org/10.4013/nbc.2017.122.07 por por Neotropical Biology and Conservation http://revistas.unisinos.br/index.php/neotropical/article/view/nbc.2017.122.07/6125 http://revistas.unisinos.br/index.php/neotropical/article/downloadSuppFile/nbc.2017.122.07/11456 http://revistas.unisinos.br/index.php/neotropical/article/downloadSuppFile/nbc.2017.122.07/9813 http://revistas.unisinos.br/index.php/neotropical/article/downloadSuppFile/nbc.2017.122.07/11572 http://revistas.unisinos.br/index.php/neotropical/article/downloadSuppFile/nbc.2017.122.07/9817 http://revistas.unisinos.br/index.php/neotropical/article/view/nbc.2017.122.07 doi:10.4013/nbc.2017.122.07 Neotropical Biology and Conservation; v. 12, n. 2 (2017): Maio/Agosto; 143-149 2236-3777 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2017 ftunisinosojs https://doi.org/10.4013/nbc.2017.122.07 2021-02-22T08:52:36Z Although there is evidence that the vegetation from rupestrian grasslands is resilient to fire, investigations about the effects of increasing frequency of anthropogenic fires in the rare and endemic plants from this ecosystem are still incipient. In this study, we monitored the post-fire resprouting of the endemic and endangered shrub species Coccoloba cereifera Schwacke (Polygonaceae) from rupestrian grasslands, southeastern Brazil. Five months after the fire 100% of the monitored individuals resprouted. However, one year after the fire, the burned plants had the ramet length 24% lower and number of leaves 53.5% smaller in relation to unburned plants. Burned plants showed a much higher relative growth rate in number of leaves and much lower reproductive investment compared to unburned plants. Although the studied species showed a high ability to resprout after fire, the pattern of vegetative growth and reproductive investment showed by the burned plants suggested that the increasing frequency of anthropogenic fires represents a serious threat to C. cereifera.Keywords: Coccoloba cereifera, conservation, Espinhaço Range, plant growth, reproductive phenology. Embora existam evidências de que a vegetação dos campos rupestres seja resiliente à passagem do fogo, são incipientes as investigações sobre os efeitos da crescente frequência de incêndios de origem antrópica em plantas raras e endêmicas desse ecossistema. Neste estudo, monitoramos o rebrotamento pós-fogo da espécie Coccoloba cereifera Schwacke (Polygonaceae), um arbusto ameaçado e endêmico dos campos rupestres do sudeste do Brasil. Cinco meses após o incêndio, rebrotaram 100% dos indivíduos monitorados. Entretanto, um ano após o incêndio, as plantas queimadas ainda apresentaram comprimento da rameta 24% inferior e número de folhas 53,5% inferior em relação ao porte das plantas não queimadas. As plantas queimadas apresentaram taxa de crescimento relativo em número de folhas muito superior e investimento reprodutivo muito inferior em comparação com as plantas não queimadas. Embora a espécie estudada demonstre alta capacidade de rebrotamento pós-fogo, o padrão de crescimento vegetativo e investimento reprodutivo apresentado pelas plantas rebrotadas indica que a crescente frequência de incêndios antrópicos represente uma séria ameaça para C. cereifera.Palavras-chave: Cadeia do Espinhaço, conservação, Coccoloba cereifera, crescimento de plantas, fenologia reprodutiva. Article in Journal/Newspaper Alta Unisinos (Universidade do Vale do Rio dos Sinos): SEER Unisinos Alta Fogo ENVELOPE(-54.281,-54.281,49.717,49.717) Sudeste ENVELOPE(-60.516,-60.516,-62.988,-62.988) Neotropical Biology and Conservation 12 2