Natal Dispersal and Survival of Juvenile Rock Ptarmigan Lagopus Muta in the French Alps and Pyrenees

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2020-10-12 DOI:10.13157/arla.68.1.2021.ra7

C. Novoa, J. Resseguier, B. Muffat-Joly, J. Casadesús, Marc Arvin-Bérod, J. Moya, Jean-François Desmet

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引用次数: 2

Abstract

Knowledge of natal dispersal and juvenile survival from parental independence until recruitment into breeding populations is an important aspect of population dynamics studies. Dispersal allows genetic connectivity and demographic compensation between neighbouring populations. These issues are particularly significant for species confined to mountaintops, as is the Rock Ptarmigan Lagopus muta in southern Europe. We studied natal dispersal and survival in juvenile Rock Ptarmigan in the French Alps and Pyrenees between 1999 and 2018 by radiotracking 113 young captured in September in two study areas. At both sites natal dispersal occurred in two discrete phases, in autumn (October-November) and in spring (late March-mid-May). Juvenile females dispersed twice as far as males in autumn at both sites but this difference decreased in spring and was not significant. Juveniles of both sexes dispersed further in the Pyrenees than in the Alps (males: 3.5 vs. 1.4km; females: 6.5 vs. 4.4km), a situation we attribute more to genetic differences between the two populations rather than to environmental factors. As to geographical barriers to dispersal, our radiotracking data along with extensive visual observations suggest that Rock Ptarmigan living in the Alps and the Pyrenees rarely fly across valleys 10-12km wide. For sexes and locations combined, the survival rate of juvenile Rock Ptarmigan during a ten-month period (September to June) was 0.636 (95%CI: 0.551-0.734). Long-distance dispersal tended to reduce the survival of birds during their first breeding attempt (April-June), a result that suggests a delayed effect of such dispersal.—Novoa, C., Resseguier, J., Muffat-Joly, B., Blanch Casadesus, J., Arvin-Berod, M., Gracia Moya, J. & Desmet, J.F. (2021). Natal dispersal and survival of juvenile Rock Ptarmigan Lagopus muta in the French Alps and Pyrenees. Ardeola, 68: 123-141.

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法国阿尔卑斯和比利牛斯山岩雷鸟幼鸟的出生扩散和生存

种群动力学研究的一个重要方面是了解从亲代独立到进入繁殖种群的出生分散和幼崽生存。分散允许邻近种群之间的遗传连通性和人口补偿。这些问题对于局限于山顶的物种来说尤为重要，比如南欧的岩雷鸟。我们通过无线电跟踪1999年9月在两个研究区域捕获的113只幼鸟，研究了1999年至2018年间法国阿尔卑斯山和比利牛斯山脉幼鸟的出生扩散和生存。在这两个地点，出生分散发生在两个离散的阶段，秋季(10 - 11月)和春季(3月下旬- 5月中旬)。秋季雌虫的分散距离是雄虫的2倍，春季雌虫的分散距离减小，但差异不显著。两性幼鱼在比利牛斯山脉比在阿尔卑斯山脉分布得更远(雄性:3.5比1.4公里;雌性:6.5对4.4公里)，我们更多地将这种情况归因于两个种群之间的遗传差异，而不是环境因素。至于传播的地理障碍，我们的无线电跟踪数据和广泛的视觉观察表明，生活在阿尔卑斯山和比利牛斯山脉的石雷鸟很少飞越10-12公里宽的山谷。从性别和地点综合来看，10个月(9 - 6月)的成活率为0.636 (95%CI: 0.551 ~ 0.734)。在鸟类第一次繁殖期间(4 - 6月)，长距离的分散往往会降低它们的存活率，这一结果表明了这种分散的延迟效应。-Novoa, C, Resseguier, J.，缪法-乔利，B.， Blanch Casadesus, J.， Arvin-Berod, M.， Gracia Moya, J.和Desmet, J.(2021)。法国阿尔卑斯和比利牛斯山岩雷鸟幼鸟的出生扩散和生存。中国生物医学工程学报，28(6):1233 - 1241。

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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.