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Translocation is not a viable conflict-resolution tool for a large fossorial mammal, Lasiorhinus latifrons
Wildlife Research ( IF 1.6 ) Pub Date : 2021-01-01 , DOI: 10.1071/wr19195
Casey O'Brien , Elisa Sparrow , Ron Dibben , Bertram Ostendorf , David Taggart

Abstract Context The translocation of southern hairy-nosed wombats (Lasiorhinus latifrons) has been suggested as a management tool to alleviate conflicts with the agricultural sector because of the damages caused by their burrowing activity. Translocation is widely used for removing problem animals from conflict areas, but its effectiveness is rarely adequately evaluated and often fails to resolve conflicts. Furthermore, translocations often result in low survival, extensive movement, and the non-establishment of translocated animals. Aims The present study assessed the viability of translocation as a damage-mitigation tool for L. latifrons, by examining the (1) capture success of L. latifrons, (2) survival and establishment of translocated L. latifrons, and (3) reduction of L. latifrons activity at source sites. Methods Thirteen L. latifrons individuals were translocated from conflict zones on agricultural properties and released on a private grazing property >60 km from capture sites. The behaviour of translocated L. latifrons individuals was monitored using GPS and/or VHF technology, and compared with that of 12 resident animals. Motion-sensor cameras monitored the source sites to determine recolonisation rates. Key results The capture and removal of problem individuals were time-intensive and infeasible on a large scale. Post-release mortality was not observed, although nine translocated and nine resident L. latifrons individuals went missing soon after release. Translocated (n = 4) L. latifrons displayed high site fidelity, but initially ranged further than residents (n = 6), before settling into similar behaviour patterns. Lasiorhinus latifrons activity was not reduced at the source sites, with neighbouring wombats recolonising warrens within 1–2 weeks. Conclusions Translocation is not a suitable human–wombat conflict mitigation tool but may prove useful for restoring declining populations. Implications These findings support the growing body of evidence that translocating problem animals is not suitable for resolving conflicts and alternative methods such as the use of deterrents may be more appropriate.

中文翻译:

对于大型化石哺乳动物 Lasiorhinus latifrons 而言,易位不是可行的冲突解决工具

摘要背景 南部毛鼻袋熊 (Lasiorhinus latifrons) 的易地已被建议作为一种管理工具,以缓解由于其挖洞活动造成的损害而与农业部门发生冲突。易位被广泛用于从冲突地区清除问题动物,但其有效性很少得到充分评估,而且往往无法解决冲突。此外,易位通常会导致低存活率、广泛移动和易位动物的非建立。目的 本研究通过检查 (1) L. latifrons 的捕获成功,(2) 易位 L. latifrons 的存活和建立,以及 (3) 减少来评估易位作为 L. latifrons 损害减轻工具的可行性L. latifrons 在源站点的活动。方法十三 L. latifron 的个人从冲突地区转移到农业财产上,并被释放到距捕获地点 60 公里以上的私人牧场上。使用 GPS 和/或 VHF 技术监测易位 L. latifrons 个体的行为,并与 12 只常驻动物的行为进行比较。运动传感器摄像机监视源站点以确定重新定植率。主要结果 捕获和移除问题个体需要大量时间,并且在大规模上不可行。没有观察到释放后的死亡率,尽管 9 名易地和 9 名常驻 L. latifrons 个体在释放后不久失踪。易地 (n = 4) L. latifrons 显示出较高的场地保真度,但最初的分布范围比居民 (n = 6) 更远,然后才形成类似的行为模式。Lasiorhinus latifrons 活动在源点没有减少,邻近的袋熊在 1-2 周内重新定殖沃伦。结论易位不是一种合适的人与袋熊冲突缓解工具,但可能证明对恢复下降的人口有用。影响 这些发现支持越来越多的证据表明,转移问题动物不适合解决冲突,而使用威慑物等替代方法可能更合适。
更新日期:2021-01-01
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