Are rapids a barrier for floodplain fishes of the Amazon basin? A demographic study of the keystone floodplain species Colossoma macropomum (Teleostei: Characiformes)

被引：44

作者：

Farias, Izeni Pires ^{[2
]}

Torrico, Juan Pablo ^{[3
]}

Garcia-Davila, Carmen ^{[4
]}

Freitas Santos, Maria da Conceicao ^{[2
]}

Hrbek, Tomas ^{[1
]}

Renno, Jean-Francois ^{[3
]}

机构：

[1] Univ Puerto Rico Rio Piedras, Dept Biol, San Juan, PR 00931 USA

[2] Univ Fed Amazonas UFAM, Dept Ciencias Biol, Lab Evolucao & Genet Anim, BR-69077000 Manaus, AM, Brazil

[3] Univ Mayor San Andres, IBMB, IRD UR 175, La Paz, Bolivia

[4] IIAP, Lab Biol & Genet Mol LBMB, Iquitos, Peru

来源：

MOLECULAR PHYLOGENETICS AND EVOLUTION | 2010年 / 56卷 / 03期

关键词：

Madeira River rapids; Demographic history; Genetic structure; Phylogeography; Mitochondrial DNA; Colossoma macropomum; PHYLOGENETIC-RELATIONSHIPS; POPULATION-STRUCTURE; PHYLOGEOGRAPHY; BIOGEOGRAPHY; SPECIATION; GENETICS; PROVIDE; CLIMATE; ORIGIN; MODEL;

D O I：

10.1016/j.ympev.2010.03.028

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

We investigated demographic history and population structuring of Colossoma macropomum sampled from 14 localities in the Amazon basin and the Bolivian sub-basin; the two basins are separated by a series of 16 rapids. Although genetically differentiated, IMa analyses suggest non-zero bi-directional migration rates, and inter-basin divergence of approximately 17 thousand years ago. Analyses in BEAST indicated that Bolivian C. macropomum has been demographically stable except for a moderate population increase in the last 12 thousand years, while Amazonian C. macropomum has been experiencing demographic growth over the last 350 thousand years, resulting in approximately one order of magnitude increase in coalescent N-e. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：1129 / 1135

页数：7

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