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Similar understorey structure in spite of edaphic and floristic dissimilarity in Amazonian forests Acta Amazonica
SUOMINEN,Lassi; RUOKOLAINEN,Kalle; PITKÄNEN,Timo; TUOMISTO,Hanna.
Forest structure determines light availability for understorey plants. The structure of lowland Amazonian forests is known to vary over long edaphic gradients, but whether more subtle edaphic variation also affects forest structure has not beenresolved. In western Amazonia, the majority of non-flooded forests grow on soils derived either from relatively fertile sediments of the Pebas Formation or from poorer sediments of the Nauta Formation. The objective of this study was to compare structure and light availability in the understorey of forests growing on these two geological formations. We measured canopy openness and tree stem densities in three size classes in northeastern Peru in a total of 275 study points in old-growth terra firme forests...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Canopy openness; Iriartea deltoidea; Pebas Formation; Pteridophytes; Stem density.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672015000400393
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