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DEMARCHI,Layon Oreste; SCUDELLER,Veridiana Vizoni; MOURA,Livia Carvalho; DIAS-TERCEIRO,Randolpho Gonçalves; LOPES,Aline; WITTMANN,Florian Karl; PIEDADE,Maria Teresa Fernandez. |
ABSTRACT The Amazonian white-sand vegetation presents a set of unique features, such as the dominance of a few species, high endemism and low species richness, which differentiate it from other Amazonian forests. Soil parameters have long been recognized as the main drivers of white-sand vegetation (WSV) characteristics. However, how they influence the composition, richness and structure of this vegetation type is still poorly understood. In this study we investigated the variation in floristic composition between patches and the soil-vegetation relations in three central Amazonian WSV patches. We tested whether slight differences in soil properties are linked with differences in floristic composition, species richness and forest structure in adjacent... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Species richness; Oligotrophic ecosystems; Dominance; Sum of bases. |
Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672018000100046 |
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DEMARCHI,Layon Oreste; SCUDELLER,Veridiana Vizoni; MOURA,Livia Carvalho; LOPES,Aline; PIEDADE,Maria Teresa Fernandez. |
ABSTRACT Overexploitation is one of the main causes of biodiversity loss and local extinction. In the Brazilian Amazon, the intensive use of high-value timber species is leading to a decline in their populations. When in decline, these species can be replaced by less valuable and more common ones that are more feasible to exploit. We conducted interviews with residents of two communities in a sustainable development reserve in central Amazonia, and used free lists and the cognitive salience index (S) to assess the perceptions of residents regarding the occurrence and purpose of timber exploitation, and to identify possible endangered species in white-sand and terra-firme forests. In addition, to infer possible consequences of logging, we assessed the... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cognitive salience index; Timber species; Tropical forest; Oligotrophic ecosystem; Tupé Sustainable Development Reserve; Mezilaurus itauba. |
Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672019000400316 |
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