Artigo

Environmental variables and Piper assemblage composition: A mesoscale study in the madeira-purus interfluve, Central Amazonia

This study aimed to determine the effects of canopy openness, litter depth, soil cation content and texture on Piper assemblage composition at a mesoscale. Piper assemblage composition and environmental variables were inventoried in 41 0.125 ha (250 × 5 m) plots placed in a terra firme forest locate...

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Autor principal: Bernardes, Carolina
Outros Autores: Costa, Flávia Regina Capellotto
Grau: Artigo
Idioma: pt_BR
Publicado em: Biota Neotropica 2020
Acesso em linha: https://repositorio.inpa.gov.br/handle/1/14923
id oai:repositorio:1-14923
recordtype dspace
spelling oai:repositorio:1-14923 Environmental variables and Piper assemblage composition: A mesoscale study in the madeira-purus interfluve, Central Amazonia Efeitos de variáveis ambientais na composição da assembléia de piper em mesoescala, no interflúvio madeira-purus, AmazôNia Central Bernardes, Carolina Costa, Flávia Regina Capellotto This study aimed to determine the effects of canopy openness, litter depth, soil cation content and texture on Piper assemblage composition at a mesoscale. Piper assemblage composition and environmental variables were inventoried in 41 0.125 ha (250 × 5 m) plots placed in a terra firme forest located in the Madeira-Purus interfluve, Central Amazonia. Ordination of the 41 plots by Non-metric Multidimensional Scaling (NMDS) in one dimension captured 58% of the floristic variation and was used as the response variable in multiple regression models. Environmental variables explained 39% of the variation in Piper assemblage composition, which was significantly related to litter depth, soil texture and canopy openness, but not to the cation content. Effects of edaphic components on plant assemblage structure have been reported for different plant groups, however the strong effect of litter depth at a mesoscale had not yet been demonstrated. We suggest that litter depth variation not only influences the structure of Piper assemblages, but also of other plant groups at a mesoscale, as this environmental variable has a direct or indirect effect on species germination and establishment. 2020-05-07T13:57:29Z 2020-05-07T13:57:29Z 2011 Artigo https://repositorio.inpa.gov.br/handle/1/14923 10.1590/S1676-06032011000300006 pt_BR Volume 11, Número 3, Pags. 83-91 Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ application/pdf Biota Neotropica
institution Instituto Nacional de Pesquisas da Amazônia - Repositório Institucional
collection INPA-RI
language pt_BR
description This study aimed to determine the effects of canopy openness, litter depth, soil cation content and texture on Piper assemblage composition at a mesoscale. Piper assemblage composition and environmental variables were inventoried in 41 0.125 ha (250 × 5 m) plots placed in a terra firme forest located in the Madeira-Purus interfluve, Central Amazonia. Ordination of the 41 plots by Non-metric Multidimensional Scaling (NMDS) in one dimension captured 58% of the floristic variation and was used as the response variable in multiple regression models. Environmental variables explained 39% of the variation in Piper assemblage composition, which was significantly related to litter depth, soil texture and canopy openness, but not to the cation content. Effects of edaphic components on plant assemblage structure have been reported for different plant groups, however the strong effect of litter depth at a mesoscale had not yet been demonstrated. We suggest that litter depth variation not only influences the structure of Piper assemblages, but also of other plant groups at a mesoscale, as this environmental variable has a direct or indirect effect on species germination and establishment.
format Artigo
author Bernardes, Carolina
spellingShingle Bernardes, Carolina
Environmental variables and Piper assemblage composition: A mesoscale study in the madeira-purus interfluve, Central Amazonia
author2 Costa, Flávia Regina Capellotto
author2Str Costa, Flávia Regina Capellotto
title Environmental variables and Piper assemblage composition: A mesoscale study in the madeira-purus interfluve, Central Amazonia
title_short Environmental variables and Piper assemblage composition: A mesoscale study in the madeira-purus interfluve, Central Amazonia
title_full Environmental variables and Piper assemblage composition: A mesoscale study in the madeira-purus interfluve, Central Amazonia
title_fullStr Environmental variables and Piper assemblage composition: A mesoscale study in the madeira-purus interfluve, Central Amazonia
title_full_unstemmed Environmental variables and Piper assemblage composition: A mesoscale study in the madeira-purus interfluve, Central Amazonia
title_sort environmental variables and piper assemblage composition: a mesoscale study in the madeira-purus interfluve, central amazonia
publisher Biota Neotropica
publishDate 2020
url https://repositorio.inpa.gov.br/handle/1/14923
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score 11.755432

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