波兰东南部Roztocze和Solska森林中灰狼犬狼疮的饮食

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-10-03 DOI:10.25225/jvb.22040

R. Mysłajek, P. Stachyra, M. Figura, Monika Nędzyńska-Stygar, R. Stefański, Michał Korga, I. Kwiatkowska, K. Stępniak, Katarzyna Tołkacz, S. Nowak

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引用次数: 3

摘要

摘要根据对2001-2002年（n=84）和2017-2020年（n=302）收集的粪便的分析，研究了居住在Roztocze和Solska森林（波兰东南部）的灰狼（Canis lupus）的饮食组成和猎物选择。在这两个时期，狼主要捕食野生有蹄类动物（占消耗生物量的96.5-96.7%）。Roe deer（Capreolus Capreolus）是最重要的狼猎物，在2001-2002年占消耗生物量的57.8%，在2017-2020年占49.2%，但狼只积极选择野猪（2001-2002年雅各布选择性指数D=0.213，2017-2020年为0.710）和休耕鹿（2017-2020年仅D=0.588）。最大的物种——驼鹿Alces Alces和马鹿Cervus elaphus——在有蹄类动物群落中的消耗量低于预期。对中型野生哺乳动物和家畜的捕食量较低，分别占消耗生物量的0.8-2.2%和1.1-2.7%。在两个研究期间，狼的饮食范围非常窄且相同（B=1.07），而饮食组成的相似性很高（α=0.999）。这项研究表明了狼饮食在20年中的稳定性，以及野猪作为这种食肉动物食物来源的重要性。

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Diet of the grey wolf Canis lupus in Roztocze and Solska Forest, south-east Poland

Abstract. The diet composition and prey selection of grey wolves (Canis lupus) inhabiting the Roztocze and Solska Forest (south-east Poland) was studied based on an analysis of scats collected in 2001-2002 (n = 84) and 2017-2020 (n = 302). In both periods, wolves preyed mainly on wild ungulates (96.5-96.7% of consumed biomass). Roe deer (Capreolus capreolus) was the most critical wolf prey accounting for 57.8% of consumed biomass in 2001-2002 and 49.2% and 2017-2020, but wolves positively select only wild boar (Jacob's selectivity index D = 0.213 in 2001-2002 and 0.710 in 2017-2020) and fallow deer (D = 0.588 only in 2017-2020). The largest species – moose Alces alces and red deer Cervus elaphus – were consumed less than expected from their share in the ungulate community. Predation on medium-sized wild mammals and domestic animals was low, 0.8-2.2% and 1.1-2.7% of the biomass consumed, respectively. The breadth of the wolf diet was very narrow and identical in both study periods (B = 1.07), while the similarity of diet composition was high (α = 0.999). This study indicated the stability of the wolf diet over two decades and the importance of wild boar as a food source for this carnivore.

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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.