Age, growth and survival rate in two populations of Darevskia derjugini (Nikolsky, 1898) from different altitudes (Squamata: Sauria: Lacertidae)

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
A. Altunışık, Halit Eksilmez
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引用次数: 3

Abstract

We investigated age structure, age at sexual maturity, lifespan, growth and survival rate and adult life expectancy (as demographic life-history traits) as well as body size of two Darevskia derjugini (Artvin lizard) populations from different altitudes, using skeletochronology. Our findings indicated that age upon attaining sexual maturity was two or three years in the low-altitude population (Fındıklı) while it was three years in the high-altitude population (Murgul) for both sexes. The maximum longevity was seven years in the high-elevation site while it was six years in the low-elevation site. As reported for many lizards, we found a significant positive relationship between age and body size within each sex of Artvin lizard at both altitudes. High- and low-altitude populations did not differ in age structure, survival rates, adult life expectancy and body size. Rather than the effect of altitude, which is hard to compare without replication of other low and high altitude populations, the fact that these two populations have similar growth rates and the similarity of local conditions (food availability and predator density) may indicate similarity between the two regions.
来自不同海拔的两个Darevskia derjugini种群(Nikolsky,1898)的年龄、生长和存活率
我们使用骨骼年表研究了来自不同海拔高度的两个Darevskia derjugini(Artvin蜥蜴)种群的年龄结构、性成熟年龄、寿命、生长和存活率、成年预期寿命(作为人口生活史特征)以及体型。我们的研究结果表明,在低海拔人群(Fındıklı)中,性成熟的年龄为两三岁,而在高海拔人群(Murgul)中,男女都是三岁。最高寿命在高海拔地区为7年,而在低海拔地区为6年。正如对许多蜥蜴的报道一样,我们发现在两个海拔高度,阿尔文蜥蜴的每种性别的年龄和体型之间都存在显著的正相关关系。高海拔和低海拔人群在年龄结构、存活率、成人预期寿命和体型方面没有差异。如果没有其他低海拔和高海拔种群的复制,很难比较海拔的影响,而这两个种群具有相似的生长率和当地条件(食物可获得性和捕食者密度)的相似性可能表明这两个地区之间的相似性。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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