Power Laws Govern the Abundance Distribution of Birds by Rank

Q4 Agricultural and Biological Sciences Western Birds Pub Date : 2023-04-07 DOI:10.3390/birds4020014
Sergio Da Silva, Raul Matsushita
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引用次数: 0

Abstract

Only a few bird species are abundant. Understanding the abundance distribution of bird species is critical for conservation efforts because rare species may be more vulnerable to habitat loss, climate change, and other threats. According to new data, a log left-skewed distribution, rather than a lognormal distribution, better adjusts to the abundance distribution of bird species. We look at the rank abundance distribution rather than the species abundance distribution that use the same data and find three power laws: for the top four species; for the abundant species minus the top four; and for the rare species.
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幂律支配着鸟类按等级的丰度分布
只有少数几种鸟类数量丰富。了解鸟类的丰富分布对保护工作至关重要,因为稀有物种可能更容易受到栖息地丧失、气候变化和其他威胁的影响。根据新的数据,对数左偏分布比对数正态分布更能适应鸟类的丰度分布。我们看的是等级丰度分布,而不是使用相同数据的物种丰度分布,发现了三个幂律:前四个物种;对于最丰富的物种减去前四个;对于稀有物种。
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来源期刊
Western Birds
Western Birds Agricultural and Biological Sciences-Animal Science and Zoology
CiteScore
0.60
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0.00%
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0
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