Interspecific allometry for sexual shape dimorphism: Macroevolution of multivariate sexual phenotypes with application to Rensch's rule

Interspecific allometry for sexual shape dimorphism: Macroevolution of multivariate sexual phenotypes with application to Rensch's rule
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性形状二态性的种间异速生长:多元性表型的宏观进化与伦施规则的应用

DOI:
10.1111/evo.14049
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发表时间:
2020
期刊:
影响因子:
3.3
通讯作者:
Kaliontzopoulou, Antigoni
Kaliontzopoulou, Antigoni
中科院分区:
环境科学与生态学2区
文献类型:
--
作者:
Adams, Dean C.;Glynne, Elizabeth;Kaliontzopoulou, Antigoni

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性别二态化程度与体型的异速趋势长期以来一直吸引着进化生物学家。在较大的分类群中,许多雄性偏倚的进化枝表现出更突出的两性二态性(Rensch规则),大多数例子都记录了这种体型二态性的模式。尽管体型以外的其他性状的两性二态性在功能上同样相关,但由于缺乏能够适应多变量表型的分析框架,对这些性状的两性二态性异速模式进行表征受到阻碍。在这篇文章中,我们推导了一个多元等效性来研究跨分类群的性别二态性(相对于整体体型)的趋势,并提供了一个广义的检验来确定这种异速生长模式是否符合Rensch规则。对于单变量线性特征,如体型,我们的方法产生的结果与标准程序相当,但我们的测试也能够检测多变量数据集(如形状)的趋势。计算机模拟表明,该方法显示出适当的统计特性,地中海蜥蜴的经验例子首次证明了Rensch规则在多变量表型(头部形状)中的应用。我们的广义程序极大地扩展了研究两性二态性的宏观进化模式的分析工具包,并寻求更好地理解其背后的过程。
Allometric trends in the degree of sexual dimorphism with body size have long fascinated evolutionary biologists. Many male-biased clades display more prominent sexual dimorphism in larger taxa (Rensch's rule), with most examples documenting this pattern for body size dimorphism. Although sexual dimorphism in traits other than body size is equally functionally relevant, characterizing allometric patterns of sexual dimorphism in such traits is hampered by lack of an analytical framework that can accommodate multivariate phenotypes. In this article, we derive a multivariate equivalency for investigating trends in sexual dimorphism—relative to overall body size—across taxa and provide a generalized test to determine whether such allometric patterns correspond with Rensch's rule. For univariate linear traits such as body size, our approach yields equivalent results to those from standard procedures, but our test is also capable of detecting trends in multivariate datasets such as shape. Computer simulations reveal that the method displays appropriate statistical properties, and an empirical example in Mediterranean lizards provides the first demonstration of Rensch's rule in a multivariate phenotype (head shape). Our generalized procedure substantially extends the analytical toolkit for investigating macroevolutionary patterns of sexual dimorphism and seeking a better understanding of the processes that underlie them.
竞争物种的数量与性别二态性无关。
DOI: --
发表时间: 2014
影响因子: 4.8
作者:
Shai Meiri;Amy E Kadison;M. Novosolov;P. Pafilis;J. Foufopoulos;Y. Itescu;P. Raia;D. Pincheira‐Donoso
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DOI: --
发表时间: 1999
期刊:
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作者:
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发表时间: 2013
影响因子: 2.1
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DOI: 10.1371/journal.pone.0030471
发表时间: 2012
期刊: PloS one
影响因子: 3.7
作者:
Holliday CM;Gardner NM
通讯作者: Gardner NM
DOI: 10.1111/j.1558-5646.1979.tb04694.x
发表时间: 1979-01-01
期刊: EVOLUTION
影响因子: 3.3
作者:
LANDE, R
通讯作者: LANDE, R