2005
DOI: 10.5902/198050981872
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Padrão e processo sucessionais em florestas secundárias de diferentes idades na amazônia oriental.

Abstract: A maioria dos estudos de sucessão em florestas secundárias na Amazônia avalia sítios de diferentes idades, que representam uma cronoseqüência sucessional, em vez de monitorar um único sítio por vários anos pelo inventário contínuo. Este estudo comparou a composição e estrutura florísticas de espécies arbóreas com diâmetro a 1,3 m de altura (DAP) ≥ 1 cm, em sítios com 4 e 12 anos na Amazônia Oriental, e avaliou a mortalidade e o recrutamento em ambos os sítios baseados em dados de inventário contínuo durante 4 … Show more

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Cited by 14 publications
(16 citation statements)
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“…As such, the response of focal species to the same changes in abiotic constraints may have differed if we had conducted these experiments at earlier or later successional stages. At our study stand, the shifts in diameter distribution for all species present in the stand during the study period indicate an ongoing dynamic development of the forest (Araújo et al 2005). Further support for this conclusion is that despite continued fruiting by the two study species (L. Fortini, personal observation), seedling recruitment by the end of the study period was appreciably lower; this suggests that the possibility of a delayed recruitment response to either treatment is unlikely.…”
Section: Exploring the Limited Effects Of Resource Limitation On Ksupporting
confidence: 46%
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“…As such, the response of focal species to the same changes in abiotic constraints may have differed if we had conducted these experiments at earlier or later successional stages. At our study stand, the shifts in diameter distribution for all species present in the stand during the study period indicate an ongoing dynamic development of the forest (Araújo et al 2005). Further support for this conclusion is that despite continued fruiting by the two study species (L. Fortini, personal observation), seedling recruitment by the end of the study period was appreciably lower; this suggests that the possibility of a delayed recruitment response to either treatment is unlikely.…”
Section: Exploring the Limited Effects Of Resource Limitation On Ksupporting
confidence: 46%
“…It is noticeably more shade tolerant than its predecessors and typically has a highly branched architecture. L. pubescens and M. sylvatica are the most abundant overstory species in our experimental plots accounting for 36 and 22% of all stems [1 cm DBH, respectively (Araújo et al 2005). …”
Section: Study Speciesmentioning
confidence: 98%
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“…Segundo os primeiros registros da área de estudo, a cobertura original era floresta tropical úmida, a qual, aproximadamente em 1939, foi derrubada para introdução de agricultura tradicional (derrubada-e-queima), envolvendo cultivos de milho (Zea mays L.) e mandioca (Manihot esculenta Crantz), com pousios de cerca de 10 anos (Aragão et al 2005 (Araújo et al 2005).…”
Section: áRea De Estudounclassified
“…Pesquisas que utilizam o método de cronossequência apresentam resultados satisfatórios com maior rapidez, diminuem os custos do estudo e permitem inferir sobre os padrões de mudanças na estrutura e na composição florística que ocorrem em uma área (ARAÚJO et al, 2005).…”
Section: Introductionunclassified