Reproductive biology of the southernmost Kentropyx lizard from the Wet Chaco of Corrientes, Argentina

Studies on reproductive modes, size at maturity, clutch size and clutch frequency have contributed greatly to our understanding of life history variation among lizard populations, and thereby, to implement conservation strategies. Herein, we studied the reproductive biology of the vulnerable tegu li...

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Autores principales:	Ortíz, Martín Alejandro, Boretto, Jorgelina Mariela, Ibargüengoytía, Nora Ruth
Formato:	Artículo
Lenguaje:	Inglés
Publicado:	British Herpetological Society 2021
Materias:	Life History Kentropyx Viridistriga Reproductive Cycle Squamata Teiidae
Acceso en línea:	http://repositorio.unne.edu.ar/handle/123456789/28574
Aporte de:	RIUNNE - Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE) de Universidad Nacional del Nordeste

id	I48-R184-123456789-28574
record_format	dspace
spelling	I48-R184-123456789-285742025-03-06T10:58:54Z Reproductive biology of the southernmost Kentropyx lizard from the Wet Chaco of Corrientes, Argentina Ortíz, Martín Alejandro Boretto, Jorgelina Mariela Ibargüengoytía, Nora Ruth Life History Kentropyx Viridistriga Reproductive Cycle Squamata Teiidae Studies on reproductive modes, size at maturity, clutch size and clutch frequency have contributed greatly to our understanding of life history variation among lizard populations, and thereby, to implement conservation strategies. Herein, we studied the reproductive biology of the vulnerable tegu lizard Kentropyx viridistriga from Corrientes, northeastern Argentina (Wet Chaco). Kentropyx viridistriga are active from early summer to late autumn, with temperature and photoperiod influencing the timing of reproduction and the brumation period. Females showed an annual reproductive cycle, and males exhibited a continuous reproductive cycle during the activity season. Females laid at least two clutches of on average three eggs per reproductive season. Neonates occured in spring, and reached sexual maturity in the first year of life. Females reached sexual maturity at a larger snout-vent length (64.1 mm) than males (54.8 mm). Sexual dimorphism is evident, with males showing greater head size and longer tails than females, while females exhibit larger interlimb length than males. This study reveals that the reproductive strategy of K. viridistriga is adjusted to the environmental conditions of the southernmost distribution for the genus. 2021-09-06T15:35:42Z 2021-09-06T15:35:42Z 2016 Artículo Ortíz, Martín Alejandro, Boretto, Jorgelina Mariela y Ibargüengoytía, Nora Ruth. 2016. Reproductive biology of the southernmost Kentropyx lizard from the Wet Chaco of Corrientes, Argentina. Herpetological Journal. United Kingdom: British Herpetological Society, vol. 26, p. 119-130. ISSN 0268-0130. 0268-0130 http://repositorio.unne.edu.ar/handle/123456789/28574 eng https://www.thebhs.org/publications/the-herpetological-journal/volume-26-number-2-april-2016/869-07-reproductive-biology-of-the-southernmost-i-kentropyx-i-lizard-from-the-wet-chaco-of-corrientes-argentina/file openAccess http://creativecommons.org/licenses/by-nc-nd/2.5/ar/ application/pdf application/pdf British Herpetological Society Herpetological Journal, vol. 26, p. 119-130.
institution	Universidad Nacional del Nordeste
institution_str	I-48
repository_str	R-184
collection	RIUNNE - Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE)
language	Inglés
topic	Life History Kentropyx Viridistriga Reproductive Cycle Squamata Teiidae
spellingShingle	Life History Kentropyx Viridistriga Reproductive Cycle Squamata Teiidae Ortíz, Martín Alejandro Boretto, Jorgelina Mariela Ibargüengoytía, Nora Ruth Reproductive biology of the southernmost Kentropyx lizard from the Wet Chaco of Corrientes, Argentina
topic_facet	Life History Kentropyx Viridistriga Reproductive Cycle Squamata Teiidae
description	Studies on reproductive modes, size at maturity, clutch size and clutch frequency have contributed greatly to our understanding of life history variation among lizard populations, and thereby, to implement conservation strategies. Herein, we studied the reproductive biology of the vulnerable tegu lizard Kentropyx viridistriga from Corrientes, northeastern Argentina (Wet Chaco). Kentropyx viridistriga are active from early summer to late autumn, with temperature and photoperiod influencing the timing of reproduction and the brumation period. Females showed an annual reproductive cycle, and males exhibited a continuous reproductive cycle during the activity season. Females laid at least two clutches of on average three eggs per reproductive season. Neonates occured in spring, and reached sexual maturity in the first year of life. Females reached sexual maturity at a larger snout-vent length (64.1 mm) than males (54.8 mm). Sexual dimorphism is evident, with males showing greater head size and longer tails than females, while females exhibit larger interlimb length than males. This study reveals that the reproductive strategy of K. viridistriga is adjusted to the environmental conditions of the southernmost distribution for the genus.
format	Artículo
author	Ortíz, Martín Alejandro Boretto, Jorgelina Mariela Ibargüengoytía, Nora Ruth
author_facet	Ortíz, Martín Alejandro Boretto, Jorgelina Mariela Ibargüengoytía, Nora Ruth
author_sort	Ortíz, Martín Alejandro
title	Reproductive biology of the southernmost Kentropyx lizard from the Wet Chaco of Corrientes, Argentina
title_short	Reproductive biology of the southernmost Kentropyx lizard from the Wet Chaco of Corrientes, Argentina
title_full	Reproductive biology of the southernmost Kentropyx lizard from the Wet Chaco of Corrientes, Argentina
title_fullStr	Reproductive biology of the southernmost Kentropyx lizard from the Wet Chaco of Corrientes, Argentina
title_full_unstemmed	Reproductive biology of the southernmost Kentropyx lizard from the Wet Chaco of Corrientes, Argentina
title_sort	reproductive biology of the southernmost kentropyx lizard from the wet chaco of corrientes, argentina
publisher	British Herpetological Society
publishDate	2021
url	http://repositorio.unne.edu.ar/handle/123456789/28574
work_keys_str_mv	AT ortizmartinalejandro reproductivebiologyofthesouthernmostkentropyxlizardfromthewetchacoofcorrientesargentina AT borettojorgelinamariela reproductivebiologyofthesouthernmostkentropyxlizardfromthewetchacoofcorrientesargentina AT ibarguengoytianoraruth reproductivebiologyofthesouthernmostkentropyxlizardfromthewetchacoofcorrientesargentina
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Reproductive biology of the southernmost Kentropyx lizard from the Wet Chaco of Corrientes, Argentina

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