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首页> 外文期刊>Canadian Journal of Zoology >Display-area size, tenure length, and site fidelity in the aquatically mating male harbour seal, Phoca vitulina
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Display-area size, tenure length, and site fidelity in the aquatically mating male harbour seal, Phoca vitulina

机译：在水生交配的雄性海豹海豹（Phoca vitulina）中的显示区域大小，保有权长度和地点逼真度

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摘要

Previous studies of the distribution and activity of male harbour seals, Phoca vitulina, based on telemetric techniques have shown that males restrict their range at the onset of the mating season and perform vocal and dive displays. While these data illustrated broad changes in male behaviour and distribution, they were not precise enough to reveal the extent to which individual males repeatedly return to the same locations to display. In this study we used an acoustic array to localise male vocalisations. This technique provided small-scale information on male behaviour over 3 consecutive years. This study provides the first details concerning display-area size in an aquatically mating phocid. Male vocalisations were located in two discrete areas each covering between 40 and 135 m(2). Vocalisations were repeatedly located in these two areas over the 3-year period. Comparisons of four vocal parameters suggested that only one individual occupied each area throughout a mating season. Furthermore, comparative analysis suggested that males might return to the same two display areas in successive years. Although the number of males using the site was small, this study showed that acoustic localisation can be a valuable tool for detailed study of the underwater behaviour of aquatically mating pinnipeds. [References: 29]
机译：以前根据遥测技术对雄性海豹海豹（Phoca vitulina）的分布和活动的研究表明，雄性海豹在交配季节开始时会限制其活动范围，并进行声音和潜水表演。尽管这些数据说明了男性行为和分布的广泛变化，但它们的精确度不足以揭示单个男性反复返回相同位置进行展示的程度。在这项研究中，我们使用声学阵列来定位男性发声。这项技术连续三年提供了有关男性行为的小规模信息。这项研究提供了有关水生交配phophid中显示区域大小的第一个细节。男性发声位于两个不连续的区域，每个区域覆盖40至135 m（2）。在三年的时间里，发声在这两个地区反复出现。对四个声音参数的比较表明，整个交配季节只有一个人占据了每个区域。此外，比较分析表明，男性可能会连续几年回到相同的两个展示区域。尽管使用该场所的男性人数很少，但这项研究表明，声波定位可以成为详细研究水生交配的nip鱼在水下行为的有价值的工具。 [参考：29]

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