Annual variation of adult survival of a south-temperate House Wren population in Argentina

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-01-01 DOI:10.1016/j.avrs.2024.100180

Gustavo J. Fernández , Mariana E. Carro , Paulo E. Llambías

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Abstract

Identifying factors affecting the survival of individuals is essential for understanding the evolution of life-history traits and population dynamics. Despite numerous studies on this subject in north-temperate environments, there is a lack of equivalent studies at similar latitudes in the south. Here, we used a 14-year dataset of capture, banding, and resighting to estimate the annual variation in the apparent adult survival probability of a south-temperate population of House Wrens (Troglodytes aedon bonariae). We evaluated temporal variation in survival and the effect of environmental (climatic) and demographic variables (adult abundance, total number of fledglings produced during each breeding season) on survival estimators. We found that the probability of adult survival decreased as the abundance of breeding adults increased. This density-dependent effect could be related to the resident lifestyle of southern House Wrens, which could determine an intense competition for territories and resources that ultimately would affect their survival.

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阿根廷南温带鹪鹩种群成年存活率的年度变化

确定影响个体生存的因素对于了解生命史特征的进化和种群动态至关重要。尽管在北温带环境中有大量这方面的研究，但在南方类似纬度地区却缺乏类似的研究。在此，我们使用了一个 14 年的捕获、带环和重见数据集来估计南温带鹪鹩（Troglodytes aedon bonariae）种群表观成年存活概率的年度变化。我们评估了存活率的时间变化以及环境（气候）和人口变量（成鸟丰度、每个繁殖季节产生的雏鸟总数）对存活率估计值的影响。我们发现，成鸟存活概率随着繁殖成鸟数量的增加而降低。这种与密度相关的影响可能与南方鹪鹩的栖息生活方式有关，这可能决定了它们对领地和资源的激烈竞争，最终会影响它们的存活率。

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来源期刊

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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