black turtle;
east Pacific green turtle;
effective population size;
genetic diversity;
genetic structure;
microsatellites;
mitochondrial DNA;
D O I:
暂无
中图分类号:
学科分类号:
摘要:
The main continental nesting rookeries of the east Pacific green turtle (EPGT), Chelonia mydas, on the Michoacan (Mexico) coast suffered drastic population declines following intense exploitation in the 1960s–1970s with annual abundance of nesting females plummeting from about 25,000 to an average of about 1400 between 1982 and 2001. Analyses of data from three nDNA microsatellite loci and 400 bp mtDNA control region sequences from a total of 123 nesting females sampled from four Michoacan rookeries found no evidence of population sub-structuring. The recent order of magnitude reduction in the population size shows no apparent impact on genetic diversity in either control region sequences (overall h= 0.48; π= 0.0036) or microsatellite loci (overall Na= 20.8; Hexp= 0.895). Our estimates of annual effective female population size (Nef; from θ= 2Neμ) of 1.9–2.3 × 103, in spite of being an order of magnitude below historical records, appear to be sufficient to allow recovery of this population without significant loss of genetic diversity. These findings highlight the importance of continued conservation to reverse the decline of this population before it becomes vulnerable to genetic erosion.
机构:
Univ Michoacana San Nicolds Hidalgo, CMEB, Fac Biol, Gen Francisco J Mtifica S-N,Ciudad Univ, Morelia 58030, Michoacan, MexicoUniv Michoacana San Nicolds Hidalgo, CMEB, Fac Biol, Gen Francisco J Mtifica S-N,Ciudad Univ, Morelia 58030, Michoacan, Mexico
Chassin-Noria, Omar
Macip-Rios, Rodrigo
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机构:
Univ Nacl Autonoma Mexico, Unidad Morelia, Escuela Nacl Estudios Super, Antigua Carretera Tmcuaro 8701, Morelia 58190, Michoacan, MexicoUniv Michoacana San Nicolds Hidalgo, CMEB, Fac Biol, Gen Francisco J Mtifica S-N,Ciudad Univ, Morelia 58030, Michoacan, Mexico
Macip-Rios, Rodrigo
Dutton, Peter H.
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h-index: 0
机构:
Southwestern Fisheries Sci Ctr, Natl Ocean & Atmospher Adm, 8901 La Jolla Shores Dr, La Jolla, CA 92037 USAUniv Michoacana San Nicolds Hidalgo, CMEB, Fac Biol, Gen Francisco J Mtifica S-N,Ciudad Univ, Morelia 58030, Michoacan, Mexico
Dutton, Peter H.
Oyama, Ken
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h-index: 0
机构:
Univ Nacl Autonoma Mexico, Unidad Morelia, Escuela Nacl Estudios Super, Antigua Carretera Tmcuaro 8701, Morelia 58190, Michoacan, MexicoUniv Michoacana San Nicolds Hidalgo, CMEB, Fac Biol, Gen Francisco J Mtifica S-N,Ciudad Univ, Morelia 58030, Michoacan, Mexico
机构:
Univ Mar, Campus Puerto Angel,Ciudad Univ, Puerto Angel, Oaxaca, MexicoUniv Mar, Campus Puerto Angel,Ciudad Univ, Puerto Angel, Oaxaca, Mexico
Karam-Martinez, Samantha G.
Raymundo-Gonzalez, Isabel
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h-index: 0
机构:
Univ Mar, Campus Puerto Angel,Ciudad Univ, Puerto Angel, Oaxaca, Mexico
Univ Autonoma Baja California, Fac Ciencias, Km 103 Carretera Tijuana Ensenada, Ensenada, Baja California, MexicoUniv Mar, Campus Puerto Angel,Ciudad Univ, Puerto Angel, Oaxaca, Mexico
Raymundo-Gonzalez, Isabel
Alberto Montoya-Marquez, J.
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h-index: 0
机构:
Univ Mar, Campus Puerto Angel,Ciudad Univ, Puerto Angel, Oaxaca, MexicoUniv Mar, Campus Puerto Angel,Ciudad Univ, Puerto Angel, Oaxaca, Mexico
Alberto Montoya-Marquez, J.
Villegas-Zurita, Francisco
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h-index: 0
机构:
Univ Mar, Campus Puerto Angel,Ciudad Univ, Puerto Angel, Oaxaca, MexicoUniv Mar, Campus Puerto Angel,Ciudad Univ, Puerto Angel, Oaxaca, Mexico
Villegas-Zurita, Francisco
Becerril-Bobadilla, Francisco
论文数: 0引用数: 0
h-index: 0
机构:
Univ Mar, Campus Puerto Angel,Ciudad Univ, Puerto Angel, Oaxaca, MexicoUniv Mar, Campus Puerto Angel,Ciudad Univ, Puerto Angel, Oaxaca, Mexico
机构:
Inst Politecn Nacl, Ctr Interdisciplinario Invest Desarrollo Integral, Dept Medio Ambiente, Lab Vida Silvestre,Unidad Sinaloa, Guasave, Sinaloa, MexicoInst Politecn Nacl, Conservat Med Lab, Ctr Biotecnol Genom, Reynosa, Tamaulipas, Mexico
Zavala-Norzagaray, Alan A.
Ley-Quinonez, Cesar P.
论文数: 0引用数: 0
h-index: 0
机构:
Inst Politecn Nacl, Ctr Interdisciplinario Invest Desarrollo Integral, Dept Medio Ambiente, Lab Vida Silvestre,Unidad Sinaloa, Guasave, Sinaloa, MexicoInst Politecn Nacl, Conservat Med Lab, Ctr Biotecnol Genom, Reynosa, Tamaulipas, Mexico
Ley-Quinonez, Cesar P.
Acosta-Sanchez, H. Hugo
论文数: 0引用数: 0
h-index: 0
机构:
United Nations Dev Programme Comis Nacl Areas Nat, Ciudad Victoria, Tamaulipas, MexicoInst Politecn Nacl, Conservat Med Lab, Ctr Biotecnol Genom, Reynosa, Tamaulipas, Mexico
机构:
Biocenosis Marina, San Jose, Costa RicaBiocenosis Marina, San Jose, Costa Rica
Fonseca, Luis G.
Santidrian Tomillo, Pilar
论文数: 0引用数: 0
h-index: 0
机构:
Leatherback Trust, Goldring Gund Marine Biol Stn, Playa Grande, Costa RicaBiocenosis Marina, San Jose, Costa Rica
Santidrian Tomillo, Pilar
Villachica, Wilbert N.
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h-index: 0
机构:
Biocenosis Marina, San Jose, Costa RicaBiocenosis Marina, San Jose, Costa Rica
Villachica, Wilbert N.
Quiros, Wagner M.
论文数: 0引用数: 0
h-index: 0
机构:
Biocenosis Marina, San Jose, Costa Rica
Univ Calif Santa Barbara, Bren Sch Environm Sci & Management, Santa Barbara, CA 93106 USABiocenosis Marina, San Jose, Costa Rica
Quiros, Wagner M.
Pesquero, Marta
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h-index: 0
机构:
Biocenosis Marina, San Jose, Costa RicaBiocenosis Marina, San Jose, Costa Rica
Pesquero, Marta
Heidemeyer, Maike
论文数: 0引用数: 0
h-index: 0
机构:
Univ Costa Rica, CIBCM, San Pedro, Costa Rica
Ctr Rescate Especies Marinas CREMA, Barva De Heredia, Heredia, Costa RicaBiocenosis Marina, San Jose, Costa Rica
Heidemeyer, Maike
Joyce, Frank
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h-index: 0
机构:
Educ Abroad Program, Monteverde, Puntarenas, Costa RicaBiocenosis Marina, San Jose, Costa Rica
Joyce, Frank
Plotkin, Pamela T.
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h-index: 0
机构:
Texas A&M Univ, Dept Oceanog, College Stn, TX 77843 USABiocenosis Marina, San Jose, Costa Rica
Plotkin, Pamela T.
Seminoff, Jeffrey A.
论文数: 0引用数: 0
h-index: 0
机构:
NOAA, Natl Marine Fisheries Serv, Southwest Fisheries Sci Ctr, La Jolla, CA USABiocenosis Marina, San Jose, Costa Rica
Seminoff, Jeffrey A.
Matarrita, Eduardo R.
论文数: 0引用数: 0
h-index: 0
机构:
Biocenosis Marina, San Jose, Costa RicaBiocenosis Marina, San Jose, Costa Rica
Matarrita, Eduardo R.
Valverde, Roldan A.
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h-index: 0
机构:
Southeastern Louisiana Univ, Dept Biol Sci, Hammond, LA 70402 USA
Sea Turtle Conservancy, Gainesville, FL 32609 USABiocenosis Marina, San Jose, Costa Rica