城市黑鸟种群中低水平的额外配对父权

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-04-13 DOI:10.1080/24750263.2023.2193433

D. Wysocki, M. Cholewa, A. Gwiazdowska, K. Halupka, R. Rutkowski, M. Szenejko

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引用次数: 0

摘要

摘要我们研究了一种社会一夫一妻制鸟类——欧洲黑鸟(Turdus merula)的额外配对父权。这项研究是在波兰的一个城市公园里进行的。我们获得了21对独特的36窝(123只雏鸟)的遗传样本。有多对雏鸟的雏鸟比例为17.1%(6只)，有多对雄雏鸟的比例为13.1%(16只)。在其中一窝(占全部调查窝的2.8%)中，我们发现一枚卵是由在研究区域内没有自己领地的雌虫产下的(巢寄生)。与其他密切相关的雀形目相比，这些数字相对较低。我们认为，在研究群体中，配偶保护可以有效地阻止雌性参与额外的配偶活动，对于雌性来说，离婚和连续一夫多妻是提高后代遗传质量和遗传多样性的更好策略。

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Low level of extra-pair paternity in an urban population of blackbirds

Abstract We studied extra-pair paternity in a socially monogamous bird, the European Blackbird (Turdus merula). The research was conducted in an urban park in Poland. We obtained genetic samples from 36 broods (123 nestlings) of 21 unique pairs. The proportion of broods with some extra-pair nestlings was 17.1% (6 broods), and overall, 13.1% (16 nestlings) of all nestlings were sired by extra-pair males. In one brood (2.8% of all the investigated broods), we found one egg laid by a female which did not have her own territory in the study area (brood parasitism). These figures are relatively low compared to other closely related passerines. We suggest that mate guarding in the studied population may effectively prevent females from engaging in extra-pair activity, and in the case of females, divorce and serial polygamy are better strategies for enhancing the genetic quality and genetic diversity of their offspring than infidelity.

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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.