春季迁徙的多个驱动因素过去16年来北欧红鹿的春季迁徙时间

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Updated: Jun 3, 2025

Protocol for Assessing the Relative Effects of Environment and Genetics on Antler and Body Growth for a Long-lived Cervid

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Tilde Katrina Slotte Hjermann¹, Inger Maren Rivrud², Erling L Meisingset³

¹Department of Biosciences, Centre for Ecological and Evolutionary Synthesis (CEES), University of Oslo, P.O. Box 1066 Blindern, NO-0316, Oslo, Norway.

Proceedings. Biological sciences

|January 8, 2025

概括

红鹿的春季迁徙时间显示出显著的个体变化,受天气,植被变绿,以及农田接入和地形等当地息地因素的影响. 这些发现突出了红鹿.

科学领域:

生态生态学生态生态学
动物行为动物行为
现象学现象学是指现象学.

背景情况:

季节性迁移对于在变化环境中的类动物至关重要.
较早的春季迁徙通常与较早的植被变绿有关.
诸如农田接入和当地条件等因素也会影响迁移的时间.

研究的目的:

研究红鹿 (Cervus elaphus) 春季迁徙时间的驱动因素.
分析跨越2005-2020年的长期数据集,包括96名男性和201名女性.
了解环境变量对迁移模式的影响.

主要方法:

利用了96只雄性和201只雌性红鹿的长期数据集 (2005-2020年).
分析了北大西洋振荡 (NAO) 指数和NDVI (正常化差异植被指数) 对迁移时间的影响.
评估了当地条件的影响,包括农田接入,地形和家庭范围的高度.

主要成果:

红鹿迁徙时间表表现出相当大的个体变化 (95%的范围:4月6日至6月18日).
较晚的迁移与较冷的冬季/春季条件 (NAO) 和延迟的植被变绿 (NDVI) 相关联.
绿化延迟五天相当于迁移延迟1.2天;农田接入和多样化的地形也延迟了迁移.

结论:

红鹿的迁徙时间是一个复杂的特征,受多种环境驱动因素影响,影响食.
现型可塑性使红鹿能够根据景观条件调整迁徙时间.
了解这些驱动因素是预测物种对环境变化的反应的关键.

关键词:

宫长 (Cervus elaphus) 是一个长.料成熟料成熟绿色波浪冲浪冲浪绿色波浪冲浪迁移时间迁移时间现象学 (phenology) 是一种现象学.红鹿红鹿是一种红鹿.

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