1987
DOI: 10.1590/s0102-33061987000300016
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Abstract: RESUMO -As matas formadoras do Parque Nacional da Tijuca, Rio de Janeiro, apresentaram em sua serrapilheira urn teor medio de chumbo de 16,2pglg ao longo de urn ano. A entrada do metal no sistema via queda da serrapilheira foi de 140 glhalano. 0 Pb atinge 0 sistema florestal pela deposi<;iio atmosferica, e tern origem provavel na queima de combustfveis (gasolina e petr6Ieo).ABSTRACT -Analysis of the litter layer of the Tijuca National Park rainforest revealed an ave· rage annual lead concentration of 16.2pglg.… Show more

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Cited by 8 publications
(5 citation statements)
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“…Also, even with a history of human disturbances, the National Park of Tijuca has high biodiversity and structural complexity, and offers opportunity for conservation. Nevertheless, the effects of these and other impacts on the forest remnant remain practically unknown (Oliveira and Lacerda 1988).…”
Section: Methodsmentioning
confidence: 99%
“…Also, even with a history of human disturbances, the National Park of Tijuca has high biodiversity and structural complexity, and offers opportunity for conservation. Nevertheless, the effects of these and other impacts on the forest remnant remain practically unknown (Oliveira and Lacerda 1988).…”
Section: Methodsmentioning
confidence: 99%
“…The mean annual temperature at the BIORE is 27.6 °C in the summer and 21.3 °C in the winter, with a mean annual rainfall of 2,092 mm (IBDF 1981b and data from the Golden Lion Tamarin Association collected from 1983 to 1998). In the RJBG, the mean annual temperature is 29 °C in the summer and 22 °C in the winter, with a mean annual rainfall of 1,075 mm (IBDF 1981a;Oliveira & Lacerda 1988). All of the reproductive trees studied were isolated and very far from each other (no other E. glaziovii were found in these areas).…”
Section: Methodsmentioning
confidence: 94%
“…A serrapilheira contribui, juntamente com os diversos compartimentos florestais, para a interceptação das águas da chuva, por meio do amortecimento e consequente dispersão da energia cinética das gotas, minimizando assim os efeitos erosivos. Por meio de gradiente vertical de decomposição, a camada de serrapilheira é responsável pelo armazenamento de água no solo, bem como pelo aumento das taxas de infiltração e condicionamento dos fluxos superficiais (Oliveira, 1987).…”
Section: Introductionunclassified