沙蜥(爬行纲)的年龄测定骨年代学研究

IF 0.6 4区生物学 Q4 ZOOLOGY Current Herpetology Pub Date : 2019-08-31 DOI:10.5358/HSJ.38.173

Zakher Bouragaoui, S. Nouira

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引用次数: 3

摘要

我们检查了从突尼斯北部（北非）采集的20只沙蜥Psammadromus褐藻的股骨中的生长停滞线（LAG）。LAG的数量最多达到三个。第一年的瞬时线性增长速度为6.6×10–2毫米/天，第二年为3.76×10–2中毫米/天。女性的骨髓腔直径（334.52µm±115.68µm）明显大于男性（324.42µm×114.2µm）。在褐藻中观察到的生长速度遵循了撕裂蜥蜴的已知生长模式，雄性和雌性骨髓腔直径的差异可能与两性异形有关。

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Age Determination in the Sand Lizard Psammodromus algirus (Reptilia; Lacertidae) by Means of Skeletochronology

We examined lines of arrested growth (LAG) in femurs from 20 individuals of the sand lizard Psammodromus algirus sampled from the north of Tunisia (North Africa). The number of the LAGs reached a maximum of three. The instant speed of linear growth in the first year was 6.6×10–2 mm/day and 3.76×10–2 mm/day the second year. The diameter of the marrow cavity was significantly larger in female (334.52 µm±115.68 µm) than in male (324.42 µm±114.2 µm). The growth rate observed in P. algirus followed the known growth pattern in lacertid lizards and the difference in the diameter of the marrow cavity between males and females may be related to a sexual dimorphism.

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来源期刊

Current Herpetology Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

1.20

自引率

14.30%

发文量

期刊介绍： Current Herpetology publishes original research articles on amphibians and reptiles. It is the official journal of the Herpetological Society of Japan and is a continuation of Acta Herpetologica Japonica (1964–1971) and Japanese Journal of Herpetology (1972-1999).