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Revista do Instituto Florestal
Article . 2014
Data sources: DOAJ
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Sobrevivência de Cyathea atrovirens (Cyatheaceae; Pteridophyta) após desmatamento. Survival of Cyathea atrovirens (Cyatheaceae; Pteridophyta) after deforestation.

Authors: Vívian TAMAKI; Catarina Carvalho NIEVOLA; Ivomar Aparecido MEDINA; Elisabete Aparecida LOPES; Rogério Mamoru SUZUKI;

Sobrevivência de Cyathea atrovirens (Cyatheaceae; Pteridophyta) após desmatamento. Survival of Cyathea atrovirens (Cyatheaceae; Pteridophyta) after deforestation.

Abstract

A adoção de medidas de mitigação é necessária para minimizar os impactos ambientais provocados pelo desmatamento para a construção de rodovias. Nesse contexto, a avaliação da adaptação de espécies vegetais que permaneceram na beira da estrada após o desmatamento, associada à realocação dos espécimes que foram retirados, pode favorecer a preservação destas espécies. O objetivo do trabalho foi avaliar a adaptação de exemplares de Cyathea atrovirens que permaneceram na beira de estrada após o desmatamento (Experimento-ABE) para construção do Trecho Sul do Rodoanel Mário Covas, em São Paulo e também avaliar a possibilidade de transplante dos indivíduos desta espécie que foram retirados por ocasião da supressão da mata (Experimento-AT), por até 43 meses. Os espécimes de ABE apresentaram 97% de sobrevivência e os de AT tiveram 80%. Foram observados novos báculos e frondes, bem como crescimento do cáudice em ambos os experimentos. Os resultados mostraram não haver necessidade de retirada e realocação dos exemplares de C. atrovirens que permaneceram nas bordas da mata após a supressão da vegetação e que houve adaptação dos exemplares transplantados, constituindo importante medida para a conservação de C. atrovirens, além de contribuir para o planejamento do desmatamento para a construção de rodovias, minimizando o impacto ambiental. Adoption of mitigation procedures is necessary to minimize the environmental impact caused by deforestation for construction of roads. In this context, evaluation of the adaptation of plant species that remained on the roadside after deforestation associated with the relocation of the specimens that were withdrawn may promote the preservation of these species. The aim of this study was to evaluate the adaptation of Cyathea atrovirens, that remained on the edge of the runway after deforestation (Experiment-ABE) for construction of the southern section of Mário Covas highway in São Paulo and also to evaluate the possibility of relocation of individuals of this species that were withdrawn during the suppression of the forest (Experiment-AT), until 43 months. The specimens of ABE showed 97% survival and those of AT, 80% survival. New fiddleheads and fronds were observed, as well as the growth of the caudex of both experiments. The results showed that removal and relocation of ferns that remained on the edges of the forest after the removal of vegetation are not necessary and that there was adaptation of the transplanted specimens, representing an important measure for the conservation of C. atrovirens, besides contributing to the deforestation planning for the construction of highways, minimizing environmental impact.

Keywords

samambaiaçu, realocação, conservation, highway, tree fern, Forestry, SD1-669.5, relocation, beira de estrada, rodovias, road verges, transplant, conservação, transplante

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold