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来自婆罗洲的四种未经研究的类动物的检测率和活动模式
Maximilian L Allen1, Andrew T L Allan2
1Prairie Research Institute, Illinois Natural History Survey University of Illinois Champaign Illinois USA.
Ecology and evolution
|September 16, 2024
概括
婆罗洲的摄像头陷显示,本地类动物的检测率很低,这突显了保护方面的挑战. 较小的猫种,如婆罗洲海湾猫,利用时间移位与较大的捕食者共存,如桑达云.
科学领域:
- 生态与保护生物学 生态与保护生物学
- 野生动物生态生态学
- 哺乳动物学 哺乳动物学
背景情况:
- 肉食动物协会在生态上至关重要,但受到威胁和研究不足,特别是在生物多样性热点地区,如婆罗洲.
- 婆罗洲面临着森林砍伐和息地丧失的重大威胁,影响其特有野生动物,包括本地类动物.
- 了解神秘的类物种的生态和活动模式对于有效的保护策略至关重要.
研究的目的:
- 通过使用摄像头陷数据,评估在婆罗洲沙巴本土类物种的检测率.
- 分析这些类动物的24小时活动模式.
- 为了研究共存的潜在机制,如时间移位,在对应的类物种之间.
主要方法:
- 史密森尼学会在2016年至2019年间在婆罗洲沙巴的各个地点部署了51个摄像头陷.
- 记录和分析发现事件和陷夜的五种本地类动物的记录和分析:桑达猫,桑达云,婆罗洲海湾猫,大理石猫和平头猫.
- 对迪尔活动模式的统计分析,以确定时间利基分区.
主要成果:
- 在9958个陷夜间,共记录了55个鱼的检测,每个物种的检测率各不相同.
- 发现了桑达猫 (20个检测),桑达云猫 (15),婆罗洲海湾猫 (12),大理石猫 (5),平头猫没有检测.
- 与桑达云相比,婆罗洲海湾猫和大理石猫表现出明显的迪尔活动模式,这表明它们的时间移位. 桑达猫的活动与桑达云相重叠,可能是由于利基区分.
结论:
- 低的检测率凸显了研究和保护婆罗洲神秘,衰退的类种群所面临的挑战.
- 通过不同的活动模式证明的时间利基分区是允许婆罗洲本土类动物共存的关键机制.
- 对这些物种的生态相互作用进行持续的监测和研究对于它们的长期生存至关重要.
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