Dispersal in Kentish Plovers (Charadrius alexandrinus): adult females perform furthest movements

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2023-10-05 DOI:10.1007/s10336-023-02120-5
Dominic V. Cimiotti, Luke Eberhart-Hertel, Aurélien Audevard, Pere Joan Garcias Salas, Guillaume Gelinaud, Klaus Günther, Afonso Rocha, Rainer Schulz, Jan van der Winden, Heiko Schmaljohann, Clemens Küpper
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Abstract

Abstract Dispersal is an important behavioral process that plays a significant role in, among others, speciation, population viability, and individual fitness. Despite progress in avian dispersal research, there are still many knowledge gaps. For example, it is of interest to study how dispersal propensity relates to age- and/or sex-specific patterns. Here, we investigated the role of sex and life stage on natal (i.e., movement from birth site to first breeding site) and breeding dispersal (i.e., movement between sequential breeding sites) in the Kentish Plover ( Charadrius alexandrinus ) for dispersal events of more than 10 km. This small and inconspicuous wader is characterized by flexible mating behavior that includes monogamy, and serial polygynandry. Using a continent-wide dataset of ringing and re-encounter data throughout the species’ range in Europe, we found that adult females generally dispersed further than adult males between seasons, but we detected no sex difference in natal dispersal distances and no general difference between natal and breeding dispersal distances. Furthermore, females were the main group exhibiting ‘long-distance’ breeding dispersal, which we defined as dispersal greater than ≥ 108 km, i.e., the upper 10% percentile of our dataset. The data set included dispersal of two females that first bred in the Mediterranean before being detected breeding at the North Sea in the subsequent year, having dispersed 1290 and 1704 km, respectively. These observations represent the longest breeding dispersal observed within the genus Charadrius. Our long-distance dispersal records are consistent with low genetic differentiation between mainland populations shown in previous work. The dispersal of the Kentish Plover is likely linked to its breeding behavior: polyandrous females exhibit extensive mate searching and habitat prospecting. We recommend that the dispersal traits of Kentish Plover be incorporated into the species’ conservation and management planning to more accurately inform models of population connectivity and metapopulation dynamics.

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肯特鸻(Charadrius alexandrinus)的分散:成年雌性进行最远的运动
摘要扩散是一个重要的行为过程,在物种形成、种群生存和个体适应等方面起着重要作用。尽管鸟类传播研究取得了进展,但仍存在许多知识空白。例如,研究分散倾向与年龄和/或性别特定模式之间的关系是很有趣的。在此,我们研究了性别和生命阶段对肯特鸻(Charadrius alexandrinus)出生(即从出生地点到第一个繁殖地的移动)和繁殖扩散(即在连续繁殖地之间的移动)的作用,这些扩散事件超过10公里。这种小而不显眼的涉水动物以灵活的交配行为为特征,包括一夫一妻制和连续一夫多妻制。通过对整个欧洲物种分布范围内的鸣叫和重新相遇数据的全大陆数据集,我们发现成年雌性在不同季节之间通常比成年雄性分散得更远,但我们发现在出生分散距离上没有性别差异,并且在出生和繁殖分散距离之间没有普遍差异。此外,雌性是表现出“长距离”繁殖扩散的主要群体,我们将其定义为扩散大于≥108公里,即我们数据集的前10%百分位数。该数据集包括了两只最初在地中海繁殖,次年在北海被发现繁殖的雌性,它们分别分散了1290公里和1704公里。这些观察结果代表了在Charadrius属中观察到的最长的繁殖分散。我们的长距离传播记录与之前的研究显示的大陆种群之间的低遗传分化一致。肯特鸻的分散可能与它的繁殖行为有关:一妻多夫制的雌性表现出广泛的配偶寻找和栖息地寻找。我们建议将肯特鸻的分散特征纳入物种保护和管理规划中,以更准确地为种群连通性和超种群动态模型提供信息。
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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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