Ecosystem size predicts the probability of speciation in migratory freshwater fish

Ecosystem size predicts the probability of speciation in migratory freshwater fish
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生态系统规模预测淡水洄游鱼类物种形成的概率

DOI:
10.1111/mec.15415
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发表时间:
2020
期刊:
影响因子:
4.9
通讯作者:
Watanabe Katsutoshi
Watanabe Katsutoshi
中科院分区:
生物学1区
文献类型:
--
作者:
Yamasaki Yo Y.;Takeshima Hirohiko;Kano Yuichi;Oseko Naoharu;Suzuki Toshiyuki;Nishida Mutsumi;Watanabe Katsutoshi

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预测物种形成是进化生态学研究的一个基本目标。物种形成的可能性往往与生态系统的大小呈正相关。虽然驱动这种相关性的机制通常很难确定,但共同的地理和生态环境提供了一个合适的条件,通过减少需要考虑的因素,来研究促进大型生态系统中物种形成的机制。在这里,我们确定了物种形成和生态系统大小之间的相关性,并讨论了这种关系的基本机制,使用一个可能的平行生态型形成淡水鱼。我们的种群遗传分析表明,物种的内陆虾虎鱼,Rhinogobiussp。YB是日本琉球群岛的一个种,与其迁徙祖先R.在五个岛屿上平行发生。Logistic回归分析表明,物种形成概率可以预测岛的大小。结果表明,生态系统的大小预测发生的适应和生殖隔离,可能通过其与三个可能的因素:分歧的选择强度,人口的持久性,和发生概率的栖息地分离。
Predicting speciation is a fundamental goal of research in evolutionary ecology. The probability of speciation is often positively correlated with ecosystem size. Although the mechanisms driving this correlation are generally difficult to identify, a shared geographical and ecological context provides a suitable condition to study the mechanisms that promote speciation in large ecosystems by reducing the number of factors to be considered. Here, we determined the correlation between speciation and ecosystem size, and discuss the underlying mechanisms of this relationship, using a probable parallel ecotype formation for freshwater fish. Our population genetic analysis revealed that speciation of the landlocked goby,Rhinogobiussp. YB, of the Ryukyu Archipelago, Japan, from its migratory ancestor,R. brunneus, occurred in parallel across five islands. Logistic regression analysis showed that speciation probability could be predicted using island size. The results suggest that ecosystem size predicts the occurrence of adaptation and reproductive isolation, probably through its association with three possible factors: divergent selection strength, population persistence, and occurrence probability of habitat separation.
DOI: --
发表时间: 2000-05
期刊: Genetics
影响因子: 3.3
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DOI: 10.1111/j.1461-0248.2011.01617.x
发表时间: 2011-06
期刊: Ecology letters
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DOI: 10.11369/jji1950.52.17
发表时间: 2005
期刊: Japanese Journal of Ichthyology
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影响因子: 2
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DOI: 10.1093/molbev/msp312
发表时间: 2010-04-01
影响因子: 10.7
作者:
Takezaki, Naoko;Nei, Masatoshi;Tamura, Koichiro
通讯作者: Tamura, Koichiro