Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest?
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Acta Scientiarum Biological Sciences |
DOI: | 10.4025/actascibiolsci.v37i2.26001 |
Texto Completo: | http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/26001 |
Resumo: | We tested the hypothesis that the variation in tree species alpha diversity is driven by climate in the Brazilian Atlantic Rainforest (ARF). Considering 139 samples of trees with DBH ≥ 4.8 cm, we correlated alpha diversity measures (Shannon heterogeneity index H', Chao I richness estimator, and Simpson concentration index C) with climate variables (perhumidity index, mean annual rainfall, and mean annual temperature) and spatial variables (latitude, longitude, and altitude). Using CCA, multiple regression analysis and RDA procedures, we found a positive relationship between latitude, longitude, and altitude with Shannon’s diversity index and Chao I richness estimator, and a negative relationship with Simpson concentration index. Over 75% of the variation remained unexplained and were attributed to stochastic processes. These results indicate that climate has a very weak influence on tree species alpha diversity, which is more influenced by spatial variation in the ARF. We propose that the current tree species alpha diversity could be a result of the history of the ARF during the Cenozoic, when geological events and climate oscillations could have triggered biogeographic processes, such as alternating episodes of vicariance and dispersal, which would have lead to the great diversity of species and heterogeneity across the geographic space observed today. |
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Acta Scientiarum Biological Sciences |
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Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest?diversity indiceslatitudinal variationlimited dispersalspatial variablesbiogeographical processesEcologiaWe tested the hypothesis that the variation in tree species alpha diversity is driven by climate in the Brazilian Atlantic Rainforest (ARF). Considering 139 samples of trees with DBH ≥ 4.8 cm, we correlated alpha diversity measures (Shannon heterogeneity index H', Chao I richness estimator, and Simpson concentration index C) with climate variables (perhumidity index, mean annual rainfall, and mean annual temperature) and spatial variables (latitude, longitude, and altitude). Using CCA, multiple regression analysis and RDA procedures, we found a positive relationship between latitude, longitude, and altitude with Shannon’s diversity index and Chao I richness estimator, and a negative relationship with Simpson concentration index. Over 75% of the variation remained unexplained and were attributed to stochastic processes. These results indicate that climate has a very weak influence on tree species alpha diversity, which is more influenced by spatial variation in the ARF. We propose that the current tree species alpha diversity could be a result of the history of the ARF during the Cenozoic, when geological events and climate oscillations could have triggered biogeographic processes, such as alternating episodes of vicariance and dispersal, which would have lead to the great diversity of species and heterogeneity across the geographic space observed today. Universidade Estadual De Maringá2015-08-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionFitossociologia, estrutura da vegetaçãoapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/2600110.4025/actascibiolsci.v37i2.26001Acta Scientiarum. Biological Sciences; Vol 37 No 2 (2015); 185-196Acta Scientiarum. Biological Sciences; v. 37 n. 2 (2015); 185-1961807-863X1679-9283reponame:Acta Scientiarum Biological Sciencesinstname:Universidade Estadual de Maringá (UEM)instacron:UEMenghttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/26001/pdf_54Cerqueira, Roberta MacedoMartins, Fernando Robertoinfo:eu-repo/semantics/openAccess2015-08-06T15:38:50Zoai:periodicos.uem.br/ojs:article/26001Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSciPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/oai||actabiol@uem.br1807-863X1679-9283opendoar:2015-08-06T15:38:50Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest? |
title |
Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest? |
spellingShingle |
Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest? Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest? Cerqueira, Roberta Macedo diversity indices latitudinal variation limited dispersal spatial variables biogeographical processes Ecologia Cerqueira, Roberta Macedo diversity indices latitudinal variation limited dispersal spatial variables biogeographical processes Ecologia |
title_short |
Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest? |
title_full |
Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest? |
title_fullStr |
Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest? Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest? |
title_full_unstemmed |
Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest? Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest? |
title_sort |
Does climate influence spatial variation of tree species alpha diversity in the Brazilian Atlantic rainforest? |
author |
Cerqueira, Roberta Macedo |
author_facet |
Cerqueira, Roberta Macedo Cerqueira, Roberta Macedo Martins, Fernando Roberto Martins, Fernando Roberto |
author_role |
author |
author2 |
Martins, Fernando Roberto |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Cerqueira, Roberta Macedo Martins, Fernando Roberto |
dc.subject.por.fl_str_mv |
diversity indices latitudinal variation limited dispersal spatial variables biogeographical processes Ecologia |
topic |
diversity indices latitudinal variation limited dispersal spatial variables biogeographical processes Ecologia |
description |
We tested the hypothesis that the variation in tree species alpha diversity is driven by climate in the Brazilian Atlantic Rainforest (ARF). Considering 139 samples of trees with DBH ≥ 4.8 cm, we correlated alpha diversity measures (Shannon heterogeneity index H', Chao I richness estimator, and Simpson concentration index C) with climate variables (perhumidity index, mean annual rainfall, and mean annual temperature) and spatial variables (latitude, longitude, and altitude). Using CCA, multiple regression analysis and RDA procedures, we found a positive relationship between latitude, longitude, and altitude with Shannon’s diversity index and Chao I richness estimator, and a negative relationship with Simpson concentration index. Over 75% of the variation remained unexplained and were attributed to stochastic processes. These results indicate that climate has a very weak influence on tree species alpha diversity, which is more influenced by spatial variation in the ARF. We propose that the current tree species alpha diversity could be a result of the history of the ARF during the Cenozoic, when geological events and climate oscillations could have triggered biogeographic processes, such as alternating episodes of vicariance and dispersal, which would have lead to the great diversity of species and heterogeneity across the geographic space observed today. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-08-06 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Fitossociologia, estrutura da vegetação |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/26001 10.4025/actascibiolsci.v37i2.26001 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/26001 |
identifier_str_mv |
10.4025/actascibiolsci.v37i2.26001 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/26001/pdf_54 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Biological Sciences; Vol 37 No 2 (2015); 185-196 Acta Scientiarum. Biological Sciences; v. 37 n. 2 (2015); 185-196 1807-863X 1679-9283 reponame:Acta Scientiarum Biological Sciences instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta Scientiarum Biological Sciences |
collection |
Acta Scientiarum Biological Sciences |
repository.name.fl_str_mv |
Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
||actabiol@uem.br |
_version_ |
1822182735416918016 |
dc.identifier.doi.none.fl_str_mv |
10.4025/actascibiolsci.v37i2.26001 |