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首页> 外文期刊>Journal of Experimental Marine Biology and Ecology >Effects of sand type on hatch, emergence, and locomotor performance in loggerhead turtle hatchlings
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Effects of sand type on hatch, emergence, and locomotor performance in loggerhead turtle hatchlings

机译：沙类型对龟孵化的孵化，出苗和运动能力的影响

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摘要

While numerous problems have been identified regarding artificial management of sea turtle eggs, the development of methods and techniques for rearing the eggs, such as relocation and incubation in hatcheries, should be considered an effective approach for the conservation of sea turtles. As sand size is hypothesized to affect the timing of the nest-atrium collapse and hatchling fatigue, one of the important aspects of incubation environment in the hatchery is likely sand. We examined the influence of nest-sand type on hatching characteristics and hatchling quality in loggerhead turtles (Caretta caretta). We collected the eggs from nine nests in the wild and incubated them in two kinds of sand groups in a hatchery. One group of eggs was incubated in fine sand and the other was incubated in coarse sand. Compared to the nests comprising coarse sand, hatchlings from fine-grain sand nests had significantly higher crawling and swimming performance. To increase hatchling survival and performance, fine-grain sand is recommended for use in incubation beds in artificial hatcheries.
机译：尽管已经发现了有关人工管理海龟卵的许多问题，但应将养卵的方法和技术的发展，例如在孵化场中的迁移和孵化，视为一种保护海龟的有效方法。假设沙子的大小会影响巢穴倒塌和孵化疲劳的时间，孵化场中孵化环境的重要方面之一可能就是沙子。我们研究了巢沙类型对logger（Caretta caretta）的孵化特性和孵化质量的影响。我们从野外的9个巢中收集了卵，并在孵化场中将它们分为两种沙土组进行了孵化。一组卵在细沙中孵化，另一组卵在粗沙中孵化。与由粗沙组成的巢相比，由细粒沙巢形成的幼体具有更高的爬行和游泳性能。为了提高孵化率和性能，建议在人工孵化场的孵化床中使用细粒沙。

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