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首页> 外文期刊>ICES Journal of Marine Science >Life-history strategies of calanoid congeners under two different climate regimes: a comparison
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Life-history strategies of calanoid congeners under two different climate regimes: a comparison

机译：两种不同气候条件下类颅骨同类动物的生活史策略：比较

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摘要

To evaluate the relationship between different environmental temperature regimes and life-history traits of key planktonic taxa, the life cycles of congener pairs of Temora and Centropages species at two sites, a cold-temperate shelf sea (Helgoland Island, North Sea) and a warm-temperate oceanic site (Bay of Villefranche, Mediterranean) were compared in a multi-annual time-series. In an attempt to assemble a variety of parameters - some detailed, others sporadically measured - a synthesis of the life cycle is presented for each population. Although closely related, congeners showed distinct temperature preferences and specific adaptations of their life cycles to temperature regime. On the other hand, co-existing species such as T. longicornis and C. hamatus in the North Sea showed some analogous life-history traits. C. typicus occupied an intermediate position and was able to tolerate both temperature regimes by shifting its reproductive period between seasons. We point out interannual and inter-site variability in the populations investigated and identify the unsolved questions in regard to the seasonal dynamics of these species that require verification.
机译：为了评估关键浮游生物群的不同环境温度状况与生活史特征之间的关系，在两个地点（冷温架海（Helgoland岛，北海）和暖海）的Temora和Centropages物种的同类同源物的生命周期在多年的时间序列中比较了温带海洋站点（地中海自由城湾）。为了组装各种参数-一些详细的参数，偶尔地测量其他参数-为每个人群提供了生命周期的综合信息。尽管密切相关，但同源物显示出不同的温度偏好和生命周期对温度状况的特定适应。另一方面，北海的T. longicornis和C. hamatus等共存物种显示出一些相似的生活史特征。 C. typicus处于中间位置，并且能够通过在两个季节之间改变其繁殖期来忍受这两种温度。我们指出了所调查种群的年际和地点间变异性，并针对这些物种的季节动态确定了尚未解决的问题，需要进行验证。

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