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Green Sea Turtle (Chelonia mydas) hatchlings success: The effects of artificial lights and other human impacts

机译：绿海龟（Chelonia mydas）孵化成功：人造光和其他人类影响的影响

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摘要

Sea turtles appeared more than 200 million years ago in the late Triassic period. They grow very slowly, taking an average of 25 years to reach sexual maturity, with a life span averaging 40-50 years. From May to October green sea turtles (Chelonia mydas) emerge during the night and follow light cues toward the sea. Recently, beachfront development has increased hatchling mortality rate. When hatchlings emerge from nest, high densities of artificial lights lead them toward the land where they either desiccate and die, or are preyed upon. Short-wavelength high intensity light and the distance of artificial light are the two most important lighting issues. But natural predators such as mammals, birds and big crabs also prey on the hatchlings. In addition, beach vehicles and human footprints are additional human impacts on hatchlings. Reducing the short-wavelengths lights behind urban nesting beaches, extending the distance of buildings behind beaches, and turning off lights in the early evening during the nesting seasons are all recommendations to potentially reduce hatchling mortality rates. Involving environmentally educated volunteers to transplant the clutches from high predator density to lower predator density areas has also been suggested.
机译：在三叠纪晚期，海龟出现在2亿多年前。它们的生长非常缓慢，平均需要25年才能达到性成熟，平均寿命为40至50年。从5月到10月，绿海龟（Chelonia mydas）会在夜间出现，并按照提示向大海移动。最近，海滨发展增加了孵化率。当孵化器从巢中出来时，高密度的人造光会将它们引向干燥或死亡或被捕食的土地。短波长高强度光和人造光的距离是两个最重要的照明问题。但是，诸如哺乳动物，鸟类和大蟹之类的天然天敌也会捕食幼体。另外，沙滩车和人类脚印对孵化场的影响也更大。建议减少城市筑巢海滩后面的短波长灯，延长建筑物在海滩后面的距离，并在筑巢季节的傍晚关闭灯，所有这些都可能降低孵化率。还建议让受过环境教育的志愿者将离合器从高捕食者密度移植到低捕食者密度区域。

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    Liang Hui-Yu Tracy;

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  • 年度 2000
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  • 原文格式 PDF
  • 正文语种 English
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