Reproductive parameters of Hypsiboas punctatus(Schneider 1799) (Anura: Hylidae) in the south limit of its distribution area
Hypsiboas punctatus(Schneider 1799) has a wide distribution in South America, throughout a latitudinal and environmental gradient (tropical/temperate), thus, supporting significantly different pressures among populations. Until now, only tropical populations’ reproductive parameters have been recorded. Then, our goal was to study reproductive parameters on a population inhabiting a temperate climate region to evaluate differences with those inhabiting tropical regions. Studied frogs were smaller than those from tropical regions. There was no correlation between weight and size of males and their testicles volume. Conversely, females’ weight and size was positively correlated to their fertility. Fat bodies were developed in males but absent in females. When compared with other studies, our results showed the variability in reproductive parameters of H. punctatusbetween tropical and temperate regions. This variability could be the result of phenotypic plasticity and/or genetic differentiation between distant populations. This variability may be one of the keys that allow H. punctatusto thrive in diverse ecosystems with different characteristics and environmental pressures.
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Universidad Nacional Mayor de San Marcos, Facultad de Ciencias Biológicas
2013
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oai:ojs.csi.unmsm:article52432020-05-21T00:45:04Z Reproductive parameters of Hypsiboas punctatus(Schneider 1799) (Anura: Hylidae) in the south limit of its distribution area Parámetros reproductivos de Hypsiboas punctatus(Schneider 1799) (Anura: Hylidae) en el extremo sur de su área de distribución Antoniazzi, Carolina E. Ghirardi, Romina López, Javier A. Armando, Andrea P. Hypsiboas punctatus parámetros reproductivos variabilidad de caracteres de historia de vida. Hypsiboas punctatus reproductive parameters life history traits variability. Hypsiboas punctatus(Schneider 1799) has a wide distribution in South America, throughout a latitudinal and environmental gradient (tropical/temperate), thus, supporting significantly different pressures among populations. Until now, only tropical populations’ reproductive parameters have been recorded. Then, our goal was to study reproductive parameters on a population inhabiting a temperate climate region to evaluate differences with those inhabiting tropical regions. Studied frogs were smaller than those from tropical regions. There was no correlation between weight and size of males and their testicles volume. Conversely, females’ weight and size was positively correlated to their fertility. Fat bodies were developed in males but absent in females. When compared with other studies, our results showed the variability in reproductive parameters of H. punctatusbetween tropical and temperate regions. This variability could be the result of phenotypic plasticity and/or genetic differentiation between distant populations. This variability may be one of the keys that allow H. punctatusto thrive in diverse ecosystems with different characteristics and environmental pressures. Hypsiboas punctatus(Schneider 1799) posee una amplia distribución en Sudamérica, a lo largo de un gradiente ambiental y latitudinal (tropical/templado), por lo que las condiciones que enfrentan sus poblaciones difieren significativamente. Hasta el momento, solamente se conocen los parámetros reproductivos de esta especie en regiones tropicales, por lo que en el presente trabajo se estudió una población de una región templada para evaluar si existen diferencias. Los individuos estudiados resultaron ser de menor tamaño que los de poblaciones tropicales. El tamaño y peso de los machos no se correlacionaron con el volumen testicular. En cambio, el tamaño y el peso de las hembras se correlacionaron positivamente con su fertilidad. No se encontraron cuerpos grasos desarrollados en las hembras pero sí en los machos. Los resultados obtenidos sugieren que existe una variabilidad en los parámetros reproductivos de H. punctatus que puede estar relacionada tanto a un fenómeno de plasticidad fenotípica como de diferenciación genética entre poblaciones distantes. Esto sería una de las claves que permitiría a esta especie prosperar en diferentes ecosistemas con distintas características y presiones ambientales. Universidad Nacional Mayor de San Marcos, Facultad de Ciencias Biológicas 2013-12-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article info:eu-repo/semantics/article application/pdf https://revistasinvestigacion.unmsm.edu.pe/index.php/rpb/article/view/5243 10.15381/rpb.v20i3.5243 Revista Peruana de Biología; Vol. 20 No. 3 (2013); 241 - 244 Revista Peruana de Biología; Vol. 20 Núm. 3 (2013); 241 - 244 1727-9933 1561-0837 spa https://revistasinvestigacion.unmsm.edu.pe/index.php/rpb/article/view/5243/4385 Derechos de autor 2013 Carolina E. Antoniazzi, Romina Ghirardi, Javier A. López, Andrea P. Armando https://creativecommons.org/licenses/by-nc-sa/4.0 |
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| author |
Antoniazzi, Carolina E. Ghirardi, Romina López, Javier A. Armando, Andrea P. |
| spellingShingle |
Antoniazzi, Carolina E. Ghirardi, Romina López, Javier A. Armando, Andrea P. Reproductive parameters of Hypsiboas punctatus(Schneider 1799) (Anura: Hylidae) in the south limit of its distribution area |
| author_facet |
Antoniazzi, Carolina E. Ghirardi, Romina López, Javier A. Armando, Andrea P. |
| author_sort |
Antoniazzi, Carolina E. |
| title |
Reproductive parameters of Hypsiboas punctatus(Schneider 1799) (Anura: Hylidae) in the south limit of its distribution area |
| title_short |
Reproductive parameters of Hypsiboas punctatus(Schneider 1799) (Anura: Hylidae) in the south limit of its distribution area |
| title_full |
Reproductive parameters of Hypsiboas punctatus(Schneider 1799) (Anura: Hylidae) in the south limit of its distribution area |
| title_fullStr |
Reproductive parameters of Hypsiboas punctatus(Schneider 1799) (Anura: Hylidae) in the south limit of its distribution area |
| title_full_unstemmed |
Reproductive parameters of Hypsiboas punctatus(Schneider 1799) (Anura: Hylidae) in the south limit of its distribution area |
| title_sort |
reproductive parameters of hypsiboas punctatus(schneider 1799) (anura: hylidae) in the south limit of its distribution area |
| description |
Hypsiboas punctatus(Schneider 1799) has a wide distribution in South America, throughout a latitudinal and environmental gradient (tropical/temperate), thus, supporting significantly different pressures among populations. Until now, only tropical populations’ reproductive parameters have been recorded. Then, our goal was to study reproductive parameters on a population inhabiting a temperate climate region to evaluate differences with those inhabiting tropical regions. Studied frogs were smaller than those from tropical regions. There was no correlation between weight and size of males and their testicles volume. Conversely, females’ weight and size was positively correlated to their fertility. Fat bodies were developed in males but absent in females. When compared with other studies, our results showed the variability in reproductive parameters of H. punctatusbetween tropical and temperate regions. This variability could be the result of phenotypic plasticity and/or genetic differentiation between distant populations. This variability may be one of the keys that allow H. punctatusto thrive in diverse ecosystems with different characteristics and environmental pressures. |
| publisher |
Universidad Nacional Mayor de San Marcos, Facultad de Ciencias Biológicas |
| publishDate |
2013 |
| url |
https://revistasinvestigacion.unmsm.edu.pe/index.php/rpb/article/view/5243 |
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