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Tree species of South America central savanna : endemism, marginal areas and the relationship with other biomes

Biological knowledge is important for guidance of conservation polices. In the Cerrado, an extremely diverse biome, the last synthesis of floristic knowledge has more than ten years. To understand the progress on the information, our aim was quantify the tree species of the Cerrado, and assess their...

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Main Authors: Françoso, Renata Dias, Haidar, Ricardo Flores, Machado, Ricardo Bomfim
Format: Artigo
Language: English
Published: Sociedade Botânica do Brasil 2017
Subjects:
Cerrados
Botânica - Brasil
Levantamentos de vegetação
Online Access: http://repositorio.unb.br/handle/10482/30112
http://dx.doi.org/10.1590/0102-33062015abb0244
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spelling ir-10482-301122018-12-11T12:41:13Z Tree species of South America central savanna : endemism, marginal areas and the relationship with other biomes Françoso, Renata Dias Haidar, Ricardo Flores Machado, Ricardo Bomfim Cerrados Botânica - Brasil Levantamentos de vegetação Biological knowledge is important for guidance of conservation polices. In the Cerrado, an extremely diverse biome, the last synthesis of floristic knowledge has more than ten years. To understand the progress on the information, our aim was quantify the tree species of the Cerrado, and assess their distribution. We compiled 167 inventories and rapid surveys of tree species, corresponding to 625 sites. We accessed the species distributions in the Brazilian biomes, and estimated the number of species in the savannas of Cerrado using four algorithms. We observed a greater local richness in more central regions of the biome, but due to high beta diversity, more peripheral regions presented a greater cumulative richness. The Atlantic Forest was the most important neighbouring biome, influencing the floristic composition of the Cerrado. The proportion of typical Cerrado species was 16%. The highest proportion of endemic species is possibly found in other life forms, and it is crucial that these species are included in inventories and floristic surveys. To guide new studies and help supplement the knowledge of the Cerrado's flora, we identified the main sampling gaps, located mainly in ecotonal regions, which are responsible for the largest number of species recorded in studies of the Cerrado. 2017-12-07T05:17:44Z 2017-12-07T05:17:44Z 2016-01 Artigo FRANÇOSO, Renata D.; HAIDAR, Ricardo F.; MACHADO, Ricardo B. Tree species of South America central savanna: endemism, marginal areas and the relationship with other biomes. Acta Botanica Brasilica, Belo Horizonte, v. 30, n. 1, p. 78-86, jan./mar. 2016. Disponível em: <http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062016000100078&lng=en&nrm=iso>. Acesso em: 9 mar. 2018. doi: http://dx.doi.org/10.1590/0102-33062015abb0244. http://repositorio.unb.br/handle/10482/30112 http://dx.doi.org/10.1590/0102-33062015abb0244 en Acesso Aberto Acta Botanica Brasilica - This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0). Fonte: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062016000100078&lng=en&nrm=iso. Acesso em: 9 mar. 2018. application/pdf Sociedade Botânica do Brasil
institution REPOSITORIO UNB
collection REPOSITORIO UNB
language English
topic Cerrados
Botânica - Brasil
Levantamentos de vegetação
spellingShingle Cerrados
Botânica - Brasil
Levantamentos de vegetação
Françoso, Renata Dias
Haidar, Ricardo Flores
Machado, Ricardo Bomfim
Tree species of South America central savanna : endemism, marginal areas and the relationship with other biomes
description Biological knowledge is important for guidance of conservation polices. In the Cerrado, an extremely diverse biome, the last synthesis of floristic knowledge has more than ten years. To understand the progress on the information, our aim was quantify the tree species of the Cerrado, and assess their distribution. We compiled 167 inventories and rapid surveys of tree species, corresponding to 625 sites. We accessed the species distributions in the Brazilian biomes, and estimated the number of species in the savannas of Cerrado using four algorithms. We observed a greater local richness in more central regions of the biome, but due to high beta diversity, more peripheral regions presented a greater cumulative richness. The Atlantic Forest was the most important neighbouring biome, influencing the floristic composition of the Cerrado. The proportion of typical Cerrado species was 16%. The highest proportion of endemic species is possibly found in other life forms, and it is crucial that these species are included in inventories and floristic surveys. To guide new studies and help supplement the knowledge of the Cerrado's flora, we identified the main sampling gaps, located mainly in ecotonal regions, which are responsible for the largest number of species recorded in studies of the Cerrado.
format Artigo
author Françoso, Renata Dias
Haidar, Ricardo Flores
Machado, Ricardo Bomfim
author_sort Françoso, Renata Dias
title Tree species of South America central savanna : endemism, marginal areas and the relationship with other biomes
title_short Tree species of South America central savanna : endemism, marginal areas and the relationship with other biomes
title_full Tree species of South America central savanna : endemism, marginal areas and the relationship with other biomes
title_fullStr Tree species of South America central savanna : endemism, marginal areas and the relationship with other biomes
title_full_unstemmed Tree species of South America central savanna : endemism, marginal areas and the relationship with other biomes
title_sort tree species of south america central savanna : endemism, marginal areas and the relationship with other biomes
publisher Sociedade Botânica do Brasil
publishDate 2017
url http://repositorio.unb.br/handle/10482/30112
http://dx.doi.org/10.1590/0102-33062015abb0244
_version_ 1641987973443485696
score 13.657419

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