A skeletochronological study of age in the Caspian pond turtle, Mauremys caspica caspica (Testudines: Geoemydidae) in Golestan Province, Iran
We estimated age of the Caspian pond turtle,<em> Mauremys caspica</em><em>caspica</em>in Golestan Province with the skeletochronological method, using specimens collected by nets in natural habitats such as ponds and fish farms. In adult <em>M. c. caspica</em>, li...
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doaj-7a4f64ab9e094a71be7cc878b53a1bc72020-11-25T03:56:03ZengUniversity of GuilanCaspian Journal of Environmental Sciences 1735-30331735-38662019-09-0117324925710.22124/cjes.2019.36673667A skeletochronological study of age in the Caspian pond turtle, Mauremys caspica caspica (Testudines: Geoemydidae) in Golestan Province, IranM. Yazarloo0H.G. Kami1A.A. Bagherian Yazdi2Department of Biology, Faculty of Sciences, Golestan University, Gorgan, IranDepartment of Biology, Faculty of Sciences, Golestan University, Gorgan, IranDepartment of Biology, Faculty of Sciences, Golestan University, Gorgan, IranWe estimated age of the Caspian pond turtle,<em> Mauremys caspica</em><em>caspica</em>in Golestan Province with the skeletochronological method, using specimens collected by nets in natural habitats such as ponds and fish farms. In adult <em>M. c. caspica</em>, lines of arrested growth (LAGs) were clearly discernable in the phalangeal and fibula bone cross-sections. The median age of <em>M. c. caspica</em> in the examined Golestan Province population(n = 22) was calculated 9.6 years (4-12) in males (n = 10), and 10.16 years (4-13) in females (n = 12) for the first time. The maximum straight carapace length (SCL<sub>2</sub>) was in the range of 83.74–221.41 (mean ± SD = 178.39 ± 48.89) mm in males and 103.02–236.84 (193.52 ± 41.32) mm in female specimens. Significant correlation was found between body size and age (p < 0.001). No difference was found in age composition between the sexes. Our study showed that skeletochronological method can be successfully applied to the Caspian pond turtle based on the clear arrest of growth in the hibernation period.https://cjes.guilan.ac.ir/article_3667_2490dc1683999f1b95de656e8fb56432.pdfagecaspian pond turtlegolestan iranlagsmauremys caspicaskeletochronology |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
M. Yazarloo H.G. Kami A.A. Bagherian Yazdi |
spellingShingle |
M. Yazarloo H.G. Kami A.A. Bagherian Yazdi A skeletochronological study of age in the Caspian pond turtle, Mauremys caspica caspica (Testudines: Geoemydidae) in Golestan Province, Iran Caspian Journal of Environmental Sciences age caspian pond turtle golestan iran lags mauremys caspica skeletochronology |
author_facet |
M. Yazarloo H.G. Kami A.A. Bagherian Yazdi |
author_sort |
M. Yazarloo |
title |
A skeletochronological study of age in the Caspian pond turtle, Mauremys caspica caspica (Testudines: Geoemydidae) in Golestan Province, Iran |
title_short |
A skeletochronological study of age in the Caspian pond turtle, Mauremys caspica caspica (Testudines: Geoemydidae) in Golestan Province, Iran |
title_full |
A skeletochronological study of age in the Caspian pond turtle, Mauremys caspica caspica (Testudines: Geoemydidae) in Golestan Province, Iran |
title_fullStr |
A skeletochronological study of age in the Caspian pond turtle, Mauremys caspica caspica (Testudines: Geoemydidae) in Golestan Province, Iran |
title_full_unstemmed |
A skeletochronological study of age in the Caspian pond turtle, Mauremys caspica caspica (Testudines: Geoemydidae) in Golestan Province, Iran |
title_sort |
skeletochronological study of age in the caspian pond turtle, mauremys caspica caspica (testudines: geoemydidae) in golestan province, iran |
publisher |
University of Guilan |
series |
Caspian Journal of Environmental Sciences |
issn |
1735-3033 1735-3866 |
publishDate |
2019-09-01 |
description |
We estimated age of the Caspian pond turtle,<em> Mauremys caspica</em><em>caspica</em>in Golestan Province with the skeletochronological method, using specimens collected by nets in natural habitats such as ponds and fish farms. In adult <em>M. c. caspica</em>, lines of arrested growth (LAGs) were clearly discernable in the phalangeal and fibula bone cross-sections. The median age of <em>M. c. caspica</em> in the examined Golestan Province population(n = 22) was calculated 9.6 years (4-12) in males (n = 10), and 10.16 years (4-13) in females (n = 12) for the first time. The maximum straight carapace length (SCL<sub>2</sub>) was in the range of 83.74–221.41 (mean ± SD = 178.39 ± 48.89) mm in males and 103.02–236.84 (193.52 ± 41.32) mm in female specimens. Significant correlation was found between body size and age (p < 0.001). No difference was found in age composition between the sexes. Our study showed that skeletochronological method can be successfully applied to the Caspian pond turtle based on the clear arrest of growth in the hibernation period. |
topic |
age caspian pond turtle golestan iran lags mauremys caspica skeletochronology |
url |
https://cjes.guilan.ac.ir/article_3667_2490dc1683999f1b95de656e8fb56432.pdf |
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