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title Small mammals of the mid-Araguaia River in central Brazil, with the description of a new species of climbing rat
authors Rocha, RG; Ferreira, E; Costa, BMA; Martins, ICM; Leite, YLR; Costa, LP; Fonseca, C
author full name Rocha, Rita G.; Ferreira, Eduardo; Costa, Barbara M. A.; Martins, Iracy C. M.; Leite, Yuri L. R.; Costa, Leonora P.; Fonseca, Carlos
title Small mammals of the mid-Araguaia River in central Brazil, with the description of a new species of climbing rat
nationality internacional
source ZOOTAXA
language English
document type Article
author keywords Amazonia; Cerrado; ecotone; inventory; marsupials; rodents
keywords plus GENUS THRICHOMYS RODENTIA; PHYLOGENETIC-RELATIONSHIPS; MOLECULAR PHYLOGEOGRAPHY; RAIN-FOREST; ECHIMYIDAE; DIVERSIFICATION; AMAZON; EVOLUTIONARY; PATTERNS; SIGMODONTINAE
abstract The mid-Araguaia River basin in central Brazil is considered a priority area for biodiversity conservation, and Parque Estadual do Cantao (PEC) is one of the most important protected areas in this ecotone between Cerrado and Amazonia. This area suffers an intensive human pressure with high rates of deforestation, and still remains poorly studied in terms of biodiversity. From June 2007 to November 2008 we sampled small mammals from both banks of the mid-Araguaia River, in the states of Tocantins and Para. Data are given about morphological traits, geographic distribution and natural history of 22 species of small non-volant mammals (eight marsupials and 14 rodents) surveyed at PEC and its surroundings. We also present mitochondrial phylogenetic analyses that allow species identification within the genera: Oecomys, Oligoryzomys and Rhipidomys, and delineate an undescribed species of Thrichomys. Based on morphologic and molecular data, we describe a new species of Rhipidomys previously assigned to R. nitela, which is apparently endemic to the Araguaia-Tocantins basin in the Cerrado. Additionally, our phylogenetic analyses provide support for the role played by the Araguaia River as an important geographic barrier for two sister species of Rhipidomys.
author address [Rocha, Rita G.; Ferreira, Eduardo; Fonseca, Carlos] Univ Aveiro, CESAM, P-3810193 Aveiro, Portugal; [Rocha, Rita G.; Ferreira, Eduardo; Fonseca, Carlos] Univ Aveiro, Dept Biol, P-3810193 Aveiro, Portugal; [Rocha, Rita G.; Martins, Iracy C. M.] Univ Fed Tocantins, Lab Impacto Ambiental, BR-77001090 Palmas, Tocantins, Brazil; [Rocha, Rita G.; Leite, Yuri L. R.; Costa, Leonora P.] Univ Fed Espirito Santo, Dept Ciencias Biol, Lab Mastozool Biogeografia, BR-29043900 Vitoria, Espirito Santo, Brazil; [Costa, Barbara M. A.] Univ Sao Paulo, Lab Evolucao Mamiferos, Dept Genet & Biol Evolut, BR-05508090 Sao Paulo, Brazil
reprint address Rocha, RG (reprint author), Univ Aveiro, CESAM, Campus Santiago, P-3810193 Aveiro, Portugal.
e-mail address rgrocha@ua.pt
researcherid number Leite, Yuri/D-4667-2009; Costa, Leonora/G-4259-2011; Rocha, Rita/F-9845-2012; Ferreira, Eduardo/G-2291-2010; Fonseca, Carlos/D-9744-2011
orcid number Leite, Yuri/0000-0002-0248-8738; Rocha, Rita/0000-0002-4410-3648; Ferreira, Eduardo/0000-0003-0497-6118; Fonseca, Carlos/0000-0001-6559-7133
funding agency and grant number Critical Ecosystem Partnership Fund (CEPF); Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq, Brazil); Fundacao Ciencia e Tecnologia (Program POPH-QREN) [SFRH/BD/24767/2005]; Eduardo Ferreira [SFRH/BD/23191/2005]
funding text We thank Andrea Serafini, Sr. Antonio Messias, Roberto, Sr. Joaquim, Sr. Lucimar and all field assistants who helped with logistic and fieldwork. We are grateful to Carol Loss and Juliana Justino for laboratory assistance. Carlos Loureiro helped in the elaboration of the map of the study area. Jim Patton kindly shared nucleotide sequences generated from previous works and Francois Catzeflis provided helpful data of Rhipidomys from French Guiana. Joao Alves de Oliveira and Stella Franco (MN) and Jeronymo Dalapicolla (UFES) catalogued specimens and provided museum numbers. We also thank staff from: Parque Estadual do Cantao, Fazendas Santa Fe e Aguas do Papagaio, Fazenda Lago Verde, and the following institutions: Ecotropical (a partnership between Energias do Brasil, Instituto Ecologica and Universidade de Aveiro), Universidade Federal do Tocantins/Fundacao de Apoio Cientifico e Tecnologico do Tocantins (UFT/FAPTO), Universidade Luterana do Brasil (ULBRA-TO), and NATURATINS, for all logistic support. Fieldwork was done under the permits of Federal (Instituto Chico Mendes de Conservacao da Biodiversidade-CMBio, permits 200/2006 and 14307-1) and State (NATURATINS, permits: 019/2006 and 001/2008) conservancy agencies. The molecular facility at UFES was established with funds from the Critical Ecosystem Partnership Fund (CEPF). Image acquisition hardware and software were purchased with a grant from Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq, Brazil), Edital Casadinho. This project was partially supported by two PhD grants from Fundacao Ciencia e Tecnologia (Program POPH-QREN) to Rita Rocha (ref: SFRH/BD/24767/2005) and Eduardo Ferreira (ref: SFRH/BD/23191/2005). Leonora P. Costa and Yuri L. R. Leite received grant and fellowship support from CNPq, Brazil. We also thank Philippe Gaubert, Jim Patton and two anonymous reviewers for their valuable comments on a previous version of this manuscript.
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cited reference count 76
times cited 23
total times cited count (wos, bci, and cscd) 27
publisher MAGNOLIA PRESS
publisher city AUCKLAND
publisher address PO BOX 41383, AUCKLAND, ST LUKES 1030, NEW ZEALAND
issn 1175-5326
29-character source abbreviation ZOOTAXA
iso source abbreviation Zootaxa
publication date MAR 11
year published 2011
issue 2789
beginning page 1
ending page 34
page count 34
web of science category Zoology
subject category Zoology
document delivery number 732OF
unique article identifier WOS:000288195600001
link http://www.mapress.com/zootaxa/list/2011/2789.html