Influence of Interspecific Interference Competition on the Genetic Structure of Calopteryx splendens Populations

IF 0.9 4区生物学 Q4 ECOLOGY Annales Zoologici Fennici Pub Date : 2021-09-07 DOI:10.5735/086.059.0104

Heidi M Viitaniemi, E. Leder, J. Suhonen

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Abstract

Understanding the effects of interspecific competition on genetic diversity will deepen our knowledge on species evolution. In the case of Calopteryx splendens and C. virgo, sympatric damselfly species, interspecific interference competition by C. virgo has remarkable effects on territoriality of C. splendens resulting in reproductive character displacement. Since territoriality is correlated with phenotype and mating success, we investigated the effects of interspecific interference competition on genetic diversity of C. splendens populations. Using amplified fragment length polymorphisms (AFLP), we determined the population genetic structure of 12 C. splendens populations and used the genetic diversity information to relate heterozygosity of C. splendens to abundance of C. virgo in sympatric populations. We found that heterozygosity of C. splendens males decreased with increasing abundance of C. virgo males. This result most likely reflects changes in effective population size due to interspecific interference competition and shows an effect on genetic structure in damselfly populations.

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种间干扰竞争对锦绣鸟居群遗传结构的影响

了解种间竞争对遗传多样性的影响将加深我们对物种进化的认识。在同域豆娘物种——灿烂Calopteryx splendens和处女座豆娘C.室女座豆娘C.室女座豆娘C.室女座豆娘C.室女座豆娘的种间干扰竞争对灿烂Calopteryx splendens的地盘性产生了显著的影响，导致生殖性状移位。由于地盘性与表型和交配成功相关，我们研究了种间干扰竞争对锦绣草群体遗传多样性的影响。利用扩增片段长度多态性(AFLP)分析了12个同域居群的聚类遗传结构，并利用遗传多样性信息分析了同域居群中聚类的杂合度与室型聚类的丰度之间的关系。结果表明，随着室女花楸雄性丰度的增加，雄花花楸的杂合度逐渐降低。这一结果很可能反映了由于种间干扰竞争导致的有效种群大小的变化，并显示了对豆娘种群遗传结构的影响。

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来源期刊

Annales Zoologici Fennici 生物-动物学

CiteScore

2.40

自引率

14.30%

发文量

审稿时长

>12 weeks

期刊介绍： Annales Zoologici Fennici publishes mainly original research reports, but also in-depth reviews and commentaries on all aspects of animal ecology and evolution, and fields related to them. Our aim is to promote papers which focus on the interactions among various components in the past and present environments by using integrative and cross-disciplinary approaches. This may be achieved by employing tools from different fields of research, such as (but not restricted to): ecology and paleoecology, molecular ecology and phylogeography, conservation biology, human-induced contemporary evolution and wildlife management, animal behaviour and interactions (including recognition systems and mechanisms), paleontology (except systematics and taxonomy) and evolution, bioenergetics.