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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
03/08/2021 |
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Data da última atualização: |
10/01/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
LIEBSCH, D.; MARCILIO-SILVA, V.; MARCON, A. K.; GALVÃO, F.; MIKICH, S. B.; MARQUES, M. C. M. |
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Afiliação: |
DIETER LIEBSCH, UFPR; VINICIUS MARCILIO-SILVA, UFPR; AMANDA K. MARCON, UFPR; FRANKLIN GALVÃO, UFPR; SANDRA BOS MIKICH, CNPF; MÁRCIA CRISTINA MENDES MARQUES, UFPR. |
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Título: |
How do trees survive a cyclone?: the relative role of individual and site characteristics over mortality. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Austral Ecology, v. 46, n. 8, p. 1356-1365, Dec. 2021. |
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DOI: |
10.1111/aec.13088 |
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Idioma: |
Inglês |
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Conteúdo: |
Cyclones are an increasing disturbance in the subtropical region of South America, but their impacts over the forests are still poorly documented. Here, we evaluate the effects of an extratropical cyclone over tree mortality in Araucaria Forest remnants in southern Brazil. We surveyed 116 sites (10 × 20 m each) and col- lected data on all tree individuals presenting DBH ? 4.8 cm before (2009) and after (2014) the occurrence of an extratropical cyclone. Using GLM models, we checked how the cyclone occurrence, different plant traits (DBH, trunk branching, wood density, successional group and evolutionary distinctiveness) and site characteristics (basal area, exposure, landscape protection, nearest border distance, cyclone border distance and the presence of native bamboo species) could impact tree mortality. The GLM model selection shows that the lowest AIC model considers all predictors separately and their interaction with the cyclone. The results showed that the cyclone occurrence and some site characteristics (bamboo presence, site exposure, landscape protection, nearest border distance and cyclone border distance) and plant traits (successional group and evolutionary distinctiveness) are related to tree mortality. The intense deforestation and fragmentation of the Araucaria Forest coupled with the increase in cyclone frequency expected for the region due to climate change may increase mortality rates of these forests, affecting their resilience and phylogenetic structure. Further biodiversity conservation efforts in the Arau- caria Forest need to consider the characteristics of sites for enabling the protection of forest remnants in areas under different exposures to cyclone impacts. MenosCyclones are an increasing disturbance in the subtropical region of South America, but their impacts over the forests are still poorly documented. Here, we evaluate the effects of an extratropical cyclone over tree mortality in Araucaria Forest remnants in southern Brazil. We surveyed 116 sites (10 × 20 m each) and col- lected data on all tree individuals presenting DBH ? 4.8 cm before (2009) and after (2014) the occurrence of an extratropical cyclone. Using GLM models, we checked how the cyclone occurrence, different plant traits (DBH, trunk branching, wood density, successional group and evolutionary distinctiveness) and site characteristics (basal area, exposure, landscape protection, nearest border distance, cyclone border distance and the presence of native bamboo species) could impact tree mortality. The GLM model selection shows that the lowest AIC model considers all predictors separately and their interaction with the cyclone. The results showed that the cyclone occurrence and some site characteristics (bamboo presence, site exposure, landscape protection, nearest border distance and cyclone border distance) and plant traits (successional group and evolutionary distinctiveness) are related to tree mortality. The intense deforestation and fragmentation of the Araucaria Forest coupled with the increase in cyclone frequency expected for the region due to climate change may increase mortality rates of these forests, affecting their resilience and phylogenetic structure.... Mostrar Tudo |
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Palavras-Chave: |
Araucaria Forest; Disturbance; Extratropical; Floresta com araucária; Trait. |
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Thesaurus Nal: |
Mortality. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02495naa a2200265 a 4500
001 2133191
005 2022-01-10
008 2021 bl uuuu u00u1 u #d
024 7 $a10.1111/aec.13088$2DOI
100 1 $aLIEBSCH, D.
245 $aHow do trees survive a cyclone?$bthe relative role of individual and site characteristics over mortality.$h[electronic resource]
260 $c2021
520 $aCyclones are an increasing disturbance in the subtropical region of South America, but their impacts over the forests are still poorly documented. Here, we evaluate the effects of an extratropical cyclone over tree mortality in Araucaria Forest remnants in southern Brazil. We surveyed 116 sites (10 × 20 m each) and col- lected data on all tree individuals presenting DBH ? 4.8 cm before (2009) and after (2014) the occurrence of an extratropical cyclone. Using GLM models, we checked how the cyclone occurrence, different plant traits (DBH, trunk branching, wood density, successional group and evolutionary distinctiveness) and site characteristics (basal area, exposure, landscape protection, nearest border distance, cyclone border distance and the presence of native bamboo species) could impact tree mortality. The GLM model selection shows that the lowest AIC model considers all predictors separately and their interaction with the cyclone. The results showed that the cyclone occurrence and some site characteristics (bamboo presence, site exposure, landscape protection, nearest border distance and cyclone border distance) and plant traits (successional group and evolutionary distinctiveness) are related to tree mortality. The intense deforestation and fragmentation of the Araucaria Forest coupled with the increase in cyclone frequency expected for the region due to climate change may increase mortality rates of these forests, affecting their resilience and phylogenetic structure. Further biodiversity conservation efforts in the Arau- caria Forest need to consider the characteristics of sites for enabling the protection of forest remnants in areas under different exposures to cyclone impacts.
650 $aMortality
653 $aAraucaria Forest
653 $aDisturbance
653 $aExtratropical
653 $aFloresta com araucária
653 $aTrait
700 1 $aMARCILIO-SILVA, V.
700 1 $aMARCON, A. K.
700 1 $aGALVÃO, F.
700 1 $aMIKICH, S. B.
700 1 $aMARQUES, M. C. M.
773 $tAustral Ecology$gv. 46, n. 8, p. 1356-1365, Dec. 2021.
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