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Updated: Jun 9, 2025

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在海筑巢的海上空间和时间热变化的程度的实证证据
Holly J Stokes1, Jacques-Olivier Laloë2, Nicole Esteban1
1Department of Biosciences, Swansea University, Swansea, UK.
Journal of thermal biology
|October 23, 2024
概括
查戈斯群岛息地的沙子温度变化会影响海幼的性别比率. 长期数据显示季节性,年间和空间变化影响着离合器性别的确定.
科学领域:
- 海洋生物学 海洋生物学
- 生态生态学 生态生态学
- 气候变化研究 气候变化研究
背景情况:
- 化温度极大地影响海幼的性别比率.
- 了解巢地点的热变性至关重要,但往往被忽视.
- 保护海需要了解影响繁殖成功的因素.
研究的目的:
- 量化沙子温度的空间和时间热变化.
- 为了检查多个环礁的长期沙子温度记录.
- 评估热变异对海温度依赖性性别决定的影响.
主要方法:
- 收集了查戈斯群岛五个环礁的实证沙子温度数据.
- 分析数据涵盖2012年10月至2023年7月的时间.
- 量化季节性,年间,海内和海间的热变化.
主要成果:
- 显著的季节性和跨年沙子温度变化 (高达3.00°C和1.03°C).
- 在海内和海间的热变化范围高达0.56°C和0.85°C.
- 平均每月的沙子温度表明相对平衡的化物性别比率,可能存在男性和女性偏见的离合物.
结论:
- 沙子温度的变化是影响夏戈斯群岛海性别比率的关键因素.
- 对热变量的长期监测为温度依赖性性别确定提供了关键的见解.
- 将热变性纳入模型对于准确预测海种群动态至关重要.
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