Alpha and beta-diversity and community structure of dung beetle assemblages in an East African protected savannah

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-07-10 DOI:10.1111/aje.13299

Thomas Francis Lado, Abusala Albano Stephen, Wani Felix Jibi, Pasquale T. Moilinga

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Abstract

Few studies have examined how dung beetle species composition changes across several mammalian dung types. Species composition and abundance of dung beetles were studied in dung samples of seven African mammals along animal trails and using 14 baited-pitfall traps in both the park and the buffer zone resulting in a combined data set of 113 samples. Both the number of species (18) and the number of individual dung beetles (600) encountered were low for an area close to the Equator. Few species (2) and herbivores (13) tunnellers (9) dominated the dung beetles community, feeding and guild structure respectively. Alpha diversity was moderate 2.06 (1 < H′ ≤ 3). Beta diversity ranged from low 0.8 (high similarity) to high (zero, no similarity). Dung beetle species composition varied with dung type with the degree of pairwise similarity between two dung types in 19 of the total (21) dung beetle communities comparisons showing low similarity (0.4) to no similarity (zero). The observed discrepancies may be attributed to dung size, composition and consistency as well as to the low number of dung of the different animal species sampled. Furthermore, further research is needed as rarefaction curves suggest that sampling was incomplete.

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东非受保护热带草原蜣螂群落的α和β多样性及群落结构

很少有研究考察了蜣螂物种组成在几种哺乳动物粪便类型中的变化情况。研究人员沿动物足迹采集了 7 种非洲哺乳动物的粪便样本，并在公园和缓冲区内使用 14 个诱饵坑式捕集器采集了粪甲虫的物种组成和丰度，最终得到了 113 个样本的综合数据集。在赤道附近地区遇到的蜣螂物种数量（18 种）和个体数量（600 个）都很低。在蜣螂群落、取食和行业结构中，少数物种（2 种）和食草动物（13 种）（9 种）分别占主导地位。α多样性为中等水平的2.06（1 < H′≤3）。Beta 多样性从低 0.8（高相似性）到高（零，无相似性）不等。蜣螂物种组成随粪便类型而变化，在总共 21 个蜣螂群落比较中，有 19 个粪便类型之间的成对相似度为低相似度（0.4）到无相似度（0）。观察到的差异可能与粪便的大小、成分和一致性有关，也可能与取样的不同动物种类的粪便数量较少有关。此外，由于稀释曲线表明取样不完整，因此还需要进一步研究。

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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.