描述欧洲鹿在生物地理区域的饮食模式
Christopher Hirst1,2, Robin Gill3, Rob Ogden2
1Forest Research, Northern Research Station, Midlothian, UK.
概括
欧洲鹿 (Capreolus capreolus) 的饮食在欧洲生物地理区域 (EBR) 之间因季节和区域而异. 鹿将食策略适应当地条件,同时保持核心营养模式,为草食生态提供新的见解.
科学领域:
- 生态生态学 生态生态学
- 动物学 动物学
- 生物地理学 生物地理学 生物地理学
背景情况:
- 生物地理区域为生态模式提供了一个框架,但它们在草食动物饮食研究中的使用是有限的.
- 欧洲鹿 (Capreolus capreolus) 分布广泛,有记录的养习惯,因此它们适合生物地理饮食分析.
研究的目的:
- 调查欧洲生物地理区域 (EBR) 鹿养生态的区域和季节性变化.
- 将生物地理框架应用于草食动物饮食研究,超越传统的地理分类.
主要方法:
- 分析了52年来在69个地点进行的54项研究中的微组织学饮食数据.
- 应用线性混合效应模型来评估三个EBR的饮食变化:大西洋,大陆和地中海.
主要成果:
- 在区域内观察到食品类别 (针叶树,叶树,灌木,半木质植物) 的显著季节性变化.
- 大西洋鹿比大陆种群消耗更多的草,树和树.
- 地中海人群表现出明显的秋季养模式,而在所有地区的春季/夏季,食物消费达到顶峰.
结论:
- 鹿根据区域条件调节养策略,同时坚持基本的营养模式.
- 生物地理框架提高了除了更广泛的地理分类之外,对食草动物生态的理解.
- 这些发现对鹿的适应和区域管理策略有影响.
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