Evidence of Pelvic and Nonpelvic Constraint on Egg Size in Two Species of Kinosternon from Mexico
被引:15
作者:
Macip-Rios, Rodrigo
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Benemerita Univ Autonoma Puebla, Inst Ciencias Gobierno & Desarrollo Estarteg, Ctr Estudios Desarrollo Estrateg, Puebla, MexicoBenemerita Univ Autonoma Puebla, Inst Ciencias Gobierno & Desarrollo Estarteg, Ctr Estudios Desarrollo Estrateg, Puebla, Mexico
Macip-Rios, Rodrigo
[1
]
Sustaita-Rodriguez, Victor Hugo
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机构:
Univ Nacl Autonoma Mexico, Inst Biol, Dept Zool, Mexico City 04510, DF, MexicoBenemerita Univ Autonoma Puebla, Inst Ciencias Gobierno & Desarrollo Estarteg, Ctr Estudios Desarrollo Estrateg, Puebla, Mexico
Sustaita-Rodriguez, Victor Hugo
[2
]
Casas-Andreu, Gustavo
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机构:
Univ Nacl Autonoma Mexico, Inst Biol, Dept Zool, Mexico City 04510, DF, MexicoBenemerita Univ Autonoma Puebla, Inst Ciencias Gobierno & Desarrollo Estarteg, Ctr Estudios Desarrollo Estrateg, Puebla, Mexico
Casas-Andreu, Gustavo
[2
]
机构:
[1] Benemerita Univ Autonoma Puebla, Inst Ciencias Gobierno & Desarrollo Estarteg, Ctr Estudios Desarrollo Estrateg, Puebla, Mexico
[2] Univ Nacl Autonoma Mexico, Inst Biol, Dept Zool, Mexico City 04510, DF, Mexico
Optimal egg size theory predicts that natural selection optimizes egg size within populations and most of the variation in reproductive output is attributable to clutch size variation driven by body size, available resources, and age. For small-bodied turtles, morphological (pelvic) constraint on egg size has been considered the main explanation when populations exhibit considerable variation in egg size, because the pelvis could be under selection for other functions besides reproduction. Kinosternids, a small-bodied and semiterrestrial lineage of turtles, show evidence for both pelvic and nonpelvic constraint on egg size. In order to test if small species show a tendency toward pelvic constraint on egg size, we examined possible pelvic constraints in 1 population of the small-bodied Kinosternon chimalhuaca from western Mexico and in 3 populations of medium- to large-bodied Kinosternon integrum from central Mexico. Gravid females were X-rayed to measure both pelvic aperture and egg width. To test for pelvic constraint on each population we compared the slopes of pelvic aperture and egg width (mean and maximum) to body size (plastron length) with analysis of covariance (ANCOVA); we also compared egg elongation with fresh egg measurements among populations using ANCOVA (with body size as covariate), and we conducted an allometric analysis in order to test for egg size optimization. We found evidence of pelvic constraint in 1 population of K integrum, and evidence of nonpelvic constraint in the K chimalhuaca population and in the other 2 populations of K integrum. Our data did not support the supposed adaptive compromise and pelvic constraints on egg size in small-bodied turtles reported in other studies. Environmental factors such local pressure on egg size (stability of the environment) could explain this pelvic constraint discrepancy in kinosternids.
机构:
Univ Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, MexicoUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
Jimenez, Pedro Diaz
Perez-Farrera, Miguel Angel
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机构:
Univ Ciencias & Artes Chiapas, Herbario Eizi Matuda, Lab Ecol Evolut, Inst Ciencias Biol, Libramiento Norte Poniente 1150, Tuxtla Gutierrez 29039, Chis, MexicoUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
Perez-Farrera, Miguel Angel
Croat, Thomas B.
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机构:
Missouri Bot Garden, 4344 Shaw Blvd, St Louis, MO 63110 USAUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
Croat, Thomas B.
Cedeno-Fonseca, Marco
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机构:
Univ Costa Rica, Programa Posgrad Biol, Herbario Luis Fournier Origgi USJ, San Jose, Costa RicaUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
Cedeno-Fonseca, Marco
Gomez-Dominguez, Hector
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Univ Ciencias & Artes Chiapas, Herbario Eizi Matuda, Lab Ecol Evolut, Inst Ciencias Biol, Libramiento Norte Poniente 1150, Tuxtla Gutierrez 29039, Chis, MexicoUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
Gomez-Dominguez, Hector
Ortiz, Orlando O.
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机构:
Univ Panama, Herbario PMA, Estafeta Univ, Panama City, Panama
Univ Panama, Dept Bot, Estafeta Univ, Panama City, PanamaUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
Ortiz, Orlando O.
Aguilar-Rodriguez, Pedro A.
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机构:
Univ Autonoma Tlaxcala, Ctr Tlaxcala Biol Conducta, Carretera Tlaxcala Puebla Km 1-5 S-N, Tlaxcala De Xicohtencatl 90062, MexicoUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
机构:
Univ Nacl Autonoma Mexico, Lab Helmintol, Inst Biol, AP 70-153, Ciudad de Mexico 04510, MexicoUniv Nacl Autonoma Mexico, Lab Helmintol, Inst Biol, AP 70-153, Ciudad de Mexico 04510, Mexico
Yanet Velazquez-Urrieta, Maria
Leon-Regagnon, Virginia
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机构:
Univ Nacl Autonoma Mexico, Inst Biol, Estn Biol Chamela, San Patricio 48980, Jalisco, MexicoUniv Nacl Autonoma Mexico, Lab Helmintol, Inst Biol, AP 70-153, Ciudad de Mexico 04510, Mexico
机构:
Univ Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, MexicoUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
Jimenez, Pedro Diaz
Perez-Farrera, Miguel Angel
论文数: 0引用数: 0
h-index: 0
机构:
Univ Ciencias & Artes Chiapas, Herbario Eizi Matuda, Lab Ecol Evolut, Inst Ciencias Biol, Libramiento Norte Poniente 1150, Tuxtla Gutierrez 29039, Chis, MexicoUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
Perez-Farrera, Miguel Angel
Croat, Thomas B.
论文数: 0引用数: 0
h-index: 0
机构:
Missouri Bot Garden, 4344 Shaw Blvd, St Louis, MO 63110 USAUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
Croat, Thomas B.
Cedeno-Fonseca, Marco
论文数: 0引用数: 0
h-index: 0
机构:
Univ Costa Rica, Programa Posgrad Biol, Herbario Luis Fournier Origgi USJ, San Jose, Costa RicaUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
Cedeno-Fonseca, Marco
Gomez-Dominguez, Hector
论文数: 0引用数: 0
h-index: 0
机构:
Univ Ciencias & Artes Chiapas, Herbario Eizi Matuda, Lab Ecol Evolut, Inst Ciencias Biol, Libramiento Norte Poniente 1150, Tuxtla Gutierrez 29039, Chis, MexicoUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
Gomez-Dominguez, Hector
Ortiz, Orlando O.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Panama, Herbario PMA, Estafeta Univ, Panama City, Panama
Univ Panama, Dept Bot, Estafeta Univ, Panama City, PanamaUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
Ortiz, Orlando O.
Aguilar-Rodriguez, Pedro A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Autonoma Tlaxcala, Ctr Tlaxcala Biol Conducta, Carretera Tlaxcala Puebla Km 1-5 S-N, Tlaxcala De Xicohtencatl 90062, MexicoUniv Veracruzana, Ctr Invest Trop, Jose Maria Morelos 44 & 45 Col Ctr, Xalapa 91000, Veracruz, Mexico
机构:
Univ Nacl Autonoma Mexico, Lab Helmintol, Inst Biol, AP 70-153, Ciudad de Mexico 04510, MexicoUniv Nacl Autonoma Mexico, Lab Helmintol, Inst Biol, AP 70-153, Ciudad de Mexico 04510, Mexico
Yanet Velazquez-Urrieta, Maria
Leon-Regagnon, Virginia
论文数: 0引用数: 0
h-index: 0
机构:
Univ Nacl Autonoma Mexico, Inst Biol, Estn Biol Chamela, San Patricio 48980, Jalisco, MexicoUniv Nacl Autonoma Mexico, Lab Helmintol, Inst Biol, AP 70-153, Ciudad de Mexico 04510, Mexico