Age and growth of the mountain dragon, Diploderma micangshanense (Squamata: Lacertilia: Agamidae)

Author:

Liu Xiuying12ORCID,Li Guanglu3,Liu Changxiu1,Xiong Jianli2ORCID

Affiliation:

1. School of Resources and Environmental Engineering, Mianyang Normal University, Mianyang, 621000, Sichuan Province, China

2. Ecological Security and Protection Key Laboratory of Sichuan Province, Mianyang Normal University, Mianyang, 621000, Sichuan Province, China

3. College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, Henan Province, China

Abstract

Abstract Knowledge of life history is important for understanding population ecology. The genus Diploderma is one of the most diverse genera in the family Agamidae, and no data on the life history traits of Diploderma species have been reported to date. Here, the age and growth of a population of D. micangshanense were revealed using skeletochronology for the first time. Females have greater snout-vent length (SVL) than males, but the mean SVL did not significantly differ between the sexes. Age ranged from one to four years in both sexes, and mean ages were 2.24 ± 0.10 years for males and 2.28 ± 0.12 years for females. No significant sexual differences were detected in either age structure or mean age. Age and body size were significantly positively correlated in both sexes. The growth coefficient k (males: 0.510; females: 0.441) and growth rate (males: 4.33 ± 0.38; females: 4.91 ± 0.39) were similar in both sexes. These results have implications for the population dynamics and management of this species.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Sichuan Province

Scientific Research Foundation of Mianyang Normal University

Publisher

Brill

Subject

Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics

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