阿尔及利亚东北部契姆利亚山北非斑点蜥蜴的日常活动、生物特征和饮食

IF 0.8 4区 生物学 Q3 ZOOLOGY African Journal of Herpetology Pub Date : 2017-01-02 DOI:10.1080/21564574.2016.1271834
Messaoud Saoudi, A. Necer, Idriss Bouam, Farouk Khelfaoui, Oussama Saadi
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引用次数: 1

摘要

摘要尽管蒂蒙·帕特尔是北非发现的最大的草类之一,主要分布在摩洛哥、阿尔及利亚和突尼斯,但对这种蜥蜴生态的研究仍然很少。本文描述了山区T.pater在其最大活动期的日常活动模式、生物测量和饮食。我们在阿尔及利亚东北部Aurès Massif中部的Chélia山南坡进行了实地研究。为了分析日常活动模式,我们沿着4 000m长的随机横断面。为了获得生物特征测量,我们用数字卡尺捕获并测量了20名成年人。我们通过分析17份提取的胃内容物获得了饮食数据。在夏季(夏初和夏末),T.pater的日常活动模式相似,没有检测到活动的变化。成年雄性比成年雌性稍大、稍重,它们的头部比雌性的头部更长、更大、更厚。T.pater主要食用鞘翅目昆虫,但两个夏季的饮食组成明显不同。饮食偏好没有性别差异。
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Daily activity, biometry and diet of the North African ocellated lizard Timon pater in Mount Chélia, north-eastern Algeria
Abstract Although Timon pater is among the largest species of lacertids found throughout North Africa, mainly in Morocco, Algeria and Tunisia, studies examining the ecology of this lizard remain rare. In this paper we describe the daily activity patterns, biometry and diet of T. pater in a mountain area during its period of maximum activity. We carried out the field study in the southern slope of Mount Chélia in the middle of the Aurès Massif, north-eastern Algeria. In order to analyse the daily activity patterns we performed surveys along 4 000 m long random transects. To obtain biometrical measurements we captured and measured 20 adults with a digital calliper. We obtained diet data by analysing 17 extracted stomach contents. The daily activity patterns of T. pater were similar during the summer periods (early and late summer), and no variation in activity was detected. Adult males were slightly larger and heavier than adult females and their heads were longer, larger and thicker than females’ heads. T. pater primarily consumed Coleopterans, but diet composition was noticeably different between the two summer periods. There were no sexual differences in dietary preferences.
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来源期刊
CiteScore
3.00
自引率
6.70%
发文量
15
审稿时长
>12 weeks
期刊介绍: African Journal of Herpetology (AJH) serves as an outlet for original research on the biology of African amphibians and reptiles. AJH is an interdisciplinary journal that publishes original articles and reviews from diverse fields and disciplines, such as conservation, phylogenetics, evolution, systematics, performance, physiology, ecology, behavioural ecology, ethology, and morphology. The Journal publishes two issues a year. There are no page charges .
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