Population structure, phylogeography, and genetic diversity of the common bottlenose dolphin in the tropical and subtropical southwestern Atlantic Ocean

被引：18

作者：

de Oliveira, Larissa Rosa ^{[1
,2
]}

Fraga, Lucia D. ^{[1
,3
]}

Ott, Paulo H. ^{[2
,4
]}

Siciliano, Salvatore ^{[5
]}

Lopes, Fernando ^{[1
,3
]}

Almeida, Raquel ^{[1
,2
]}

Wickert, Janaina C. ^{[2
,6
]}

Milmann, Lucas ^{[2
,7
]}

Danilewicz, Daniel ^{[2
,8
]}

Emin-Lima, Neusa Renata ^{[9
,10
]}

Meirelles, Ana Carolina ^{[11
]}

Luz, Vitor ^{[11
]}

do Nascimento, Lidio Franca ^{[12
]}

de Thoisy, Benoit ^{[13
,14
]}

Tavares, Mauricio ^{[6
,15
,16
]}

Zerbini, Alexandre N. ^{[8
,17
,18
]}

Baumgarten, Melina ^{[4
]}

Valiati, Victor Hugo ^{[1
]}

Bonatto, Sandro L. ^{[3
]}

机构：

[1] Univ Vale Rio Sinos UNISINOS, Lab Ecol Mamiferos, Av Unisinos 950, BR-93022000 Sao Leopoldo, RS, Brazil

[2] Grp Estudos Mamiferos Aquat Rio Grande Sul GEMARS, Rua Bento Goncalves 165-1002, BR-95560000 Torres, RS, Brazil

[3] Pontificia Univ Catolica Rio Grande Sul PUCRS, Escola Ciencias, Lab Genom & Biol Mol, Av Ipiranga 6681, BR-90619900 Porto Alegre, RS, Brazil

[4] UERGS, Unidade Litoral Norte, Lab Biodiversidade & Conservacao, Rua Machado Assis 1456, BR-95520000 Osorio, RS, Brazil

[5] Fiocruz MS, Inst Oswaldo Cruz, Lab Enterobacterias, 3 Andar,Av Brasil 4-365, BR-21040900 Rio De Janeiro, RJ, Brazil

[6] Univ Fed Rio Grande do Sul, Ctr Estudos Costeiros Limnol Marinhos CECLIMAR, Campus Litoral Norte,Av Tramandai 976, BR-95625000 Imbe, RS, Brazil

[7] Univ Estadual Santa Cruz, Dept Ciencias Biol, Lab Ecol Aplicada Conservacao, Campus Soane Nazare Andrade,Rodovia Jorge Amado, BR-45662900 Ilheus, BA, Brazil

[8] Inst Aqualie, Av Dr Paulo Japiassu Coelho 714,Sala 206, BR-36033310 Juiz De Fora, MG, Brazil

[9] GEMAM, Museu Paraense Emilio Goeldi, Coordenacao Zool, Setor Mastozool, Av Perimetral 1901, BR-66077530 Belem, PA, Brazil

[10] Programa Capacitacao Inst, Av Perimetral 1901, BR-66077530 Belem, PA, Brazil

[11] Associacao Pesquisa Preservacao Ecossistemas Aqua, BR-61600000 Caucaia, CE, Brazil

[12] Fac Mauricio Nassau, Av Prudente Morais 3510, BR-59063200 Natal, RN, Brazil

[13] Kwata NGO, Cayenne, French Guiana

[14] Inst Pasteur, Cayenne 97306, French Guiana

[15] Univ Fed Rio Grande do Sul, Inst Biociencias, Lab Herpetol, Av Bento Goncalves 9500,Bloco 4,Predio 43435, BR-91509900 Porto Alegre, RS, Brazil

[16] Univ Fed Rio Grande do Sul, Inst Biociencias, Programa Posgrad Biol Anim, Av Bento Goncalves 9500,Bloco 4,Predio 43435, BR-91509900 Porto Alegre, RS, Brazil

[17] NOAA, Marine Mammal Lab, Alaska Fisheries Sci Ctr, Natl Marine Fisheries Serv, 7600 Sand Point Way NE, Seattle, WA 98115 USA

[18] Cascadia Res Collect, 218 1-2 4th Ave, Olympia, WA 98501 USA

来源：

JOURNAL OF MAMMALOGY | 2019年 / 100卷 / 02期

关键词：

biological conservation; Brazilian coast; cetaceans; ecotypes; genetic diversity; microsatellites; mtDNA; LOBOMYCOSIS-LIKE DISEASE; TURSIOPS-TRUNCATUS; CETARTIODACTYLA DELPHINIDAE; SOUTH-AMERICA; GENUS SOTALIA; WORKING GROUP; MICROSATELLITE; COASTAL; OFFSHORE; DIFFERENTIATION;

D O I：

10.1093/jmammal/gyz065

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

We assessed the level of genetic variability and population structure of the common bottlenose dolphin (Tursiops truncatus) in the tropical and subtropical portions of the southwestern Atlantic Ocean and compared the results with previous morphological findings. We analyzed 109 samples of common bottlenose dolphins that were sequenced for control region mtDNA and genotyped for seven polymorphic microsatellite loci. The results suggested that the species in this region can be separated in two major biological units, northern and southern, with an area of parapatry at southern Brazil. The northern unit seems to occur in a wide range of depths, including offshore waters, is consistent with the canonical morphology of T. truncatus, and can be divided into three management units: 1) Saint Paul's Rocks, 2) north and northeast of Brazil, and 3) Campos and Santos Basins (that extend at least to southernmost Brazil). The southern unit is coastal, occurring exclusively in very shallow waters (< 10 m) and estuaries, and is consistent with the previously described (putative) Tursiops gephyreus. Nevertheless, a formal decision on the taxonomic status of T. gephyreus should wait for a more geographically comprehensive and data-integrative study.

引用

页码：564 / 577

页数：14

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Gorgone, Antoinette M.
McSweeney, Daniel J.
Ligon, Allan D.
Deakos, Mark H.
Webster, Daniel L.
Schorr, Gregory S.
Martien, Karen K.
Salden, Dan R.
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