子的生存,移动,家庭范围大小和散布经过跑步和/或转移后的子
1School of Biological Sciences, Queen's University Belfast, Belfast, Northern Ireland, United Kingdom.
PloS one
|June 2, 2023
概括
这项研究发现,子经历了子冲动和转移的子表现出与野生子相似的生存和运动模式. 在白天释放子可能会改善它们在释放后的定居.
科学领域:
- 野生动物生态学野生动物生态学
- 动物行为 动物行为
- 保护科学 保护科学
背景情况:
- 子追逐包括以狗追逐子作为运动,在爱尔兰,有成千上万的子被捕并持有许可证.
- 子在跑步后被释放,有时进入不熟悉的地区,需要对释放后的福利进行评估.
- 据报道,超过99%的子幸存下来,并被释放回野生环境.
研究的目的:
- 评估参与子追逐和潜在转移后的子的生存和行为.
- 为了确定冲刺和转移对子生存,移动,家庭范围大小和分散的影响.
- 为了确定跟踪和释放子的潜在改进.
主要方法:
- 在释放后的六个月内,四十只子配备了GPS无线电项圈.
- 用一个因数实验设计来比较经过和未经经过的子,以及转移与非转移的子.
- 监测了生存,移动,家庭范围大小和分散.
主要成果:
- 在经过培养和未经培养的子之间,没有观察到死亡率,迁移或家庭范围大小的显著差异.
- 由于设备故障,越来越少的子被重新安置,这表明潜在的跟踪限制.
- 转移后的子最初表现出更多的运动和更大的家庭范围,但在定居后空间行为正常化.
结论:
- 子的奔跑和转移并没有对子的生存或一般运动模式产生负面影响.
- 建议释放白天光线,以便子在黑暗之前有足够的时间适应,从而减少道路碰撞等风险.
- 建议对追踪设备进行技术改进,以提高迁移率和数据准确性.
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