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The relative importance of various mating criteria in copepods
Journal of Plankton Research ( IF 1.9 ) Pub Date : 2020-01-15 , DOI: 10.1093/plankt/fbz075
Matthew J Powers 1 , Alan E Wilson 2 , Kyle B Heine 1 , Geoffrey E Hill 1
Affiliation  

To produce viable offspring, organisms may assess mates via criteria that include traits, such as sex, species, age, reproductive status, population identity and individual quality. Copepods are small, ubiquitous crustaceans that live in freshwater and marine systems around the world whose patterns of mate choice have been long studied in numerous species. Herein, we synthesized decades of experiments describing sexual selection in copepods to assess the importance of mating criteria. We used formal, meta-analytical techniques and mixed modeling to quantify the likelihood of non-random mating associated with mating criteria. In our synthesis of the scientific literature, we found that copepods use several criteria when assessing mates and that these criteria are associated with different likelihood estimates. We report the strongest likelihood of non-random mating when copepods assess the reproductive status of females or when copepods select between conspecific vs. heterospecific mates. We found weak likelihood of non-random mating in studies that provide mates from different populations or that manipulate operational sex ratio. Studies that directly test assessment of individual quality are sparse in copepods when compared to equivalent studies in vertebrates, and we encourage future researchers to explore whether copepods use individual characteristics as key mating criteria.

中文翻译:

co足类中各种交配标准的相对重要性

为了产生可行的后代,有机体可以通过包括性状(例如性别,物种,年龄,生殖状况,种群身份和个体素质)在内的标准来评估伴侣。pe足类是生活在世界各地的淡水和海洋系统中的小型,无处不在的甲壳类动物,其配偶选择方式已在许多物种中进行了长期研究。在这里,我们合成了数十年的实验,描述了co足类动物的性选择,以评估交配标准的重要性。我们使用正式的荟萃分析技术和混合模型来量化与交配标准相关的非随机交配的可能性。在我们的科学文献综合中,我们发现found足类在评估配偶时会使用多个标准,并且这些标准与不同的可能性估计值相关。我们报告当assess足动物评估雌性的繁殖状态或当pe足动物在同种与异种配偶之间进行选择时,非随机交配的可能性最大。我们在提供来自不同人群的伴侣或操纵性别比例的研究中发现非随机交配的可能性很小。与脊椎动物的同等研究相比,直接测试对个体质量评估的研究相对于co足类是稀疏的,我们鼓励未来的研究人员探索co足类是否将个体特征用作关键的交配标准。我们在提供来自不同人群的伴侣或操纵性别比例的研究中发现非随机交配的可能性很小。与脊椎动物的同等研究相比,直接测试对个体质量评估的研究相对于co足类是稀疏的,我们鼓励未来的研究人员探索co足类是否将个体特征用作关键的交配标准。我们在提供来自不同人群的伴侣或操纵性别比例的研究中发现非随机交配的可能性很小。与脊椎动物的同等研究相比,直接测试对个体质量评估的研究相对于co足类是稀疏的,我们鼓励未来的研究人员探索co足类是否将个体特征用作关键的交配标准。
更新日期:2020-04-17
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