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首页> 美国卫生研究院文献>Ecology and Evolution >Higher mortality rates for large‐ and medium‐sized mammals on plantation roads compared to highways in Peninsular Malaysia
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Higher mortality rates for large‐ and medium‐sized mammals on plantation roads compared to highways in Peninsular Malaysia

机译：与半岛马来西亚的高速公路相比种植园道路上大型和中型哺乳动物的死亡率更高

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The fragmentation of forests by agricultural expansion, urbanization, and road networks is an ongoing global biodiversity crisis. In Southeast Asia and other tropical regions, wildlife populations are being isolated into pockets of natural habitat surrounded by road networks and monoculture plantations. Mortality from wildlife–vehicle collisions (WVCs) is contributing to a decline in many species of conservation priority in human‐modified landscapes. This study is the first in Malaysia to investigate factors affecting the occurrence of WVCs. We assessed roadkill data gathered by the Department of Wildlife and National Parks on small‐, medium‐, and large‐sized mammals in Peninsular Malaysia. We examined the relationship between wildlife road accidents and several environmental factors. We found a total of 605 roadkill animals, involving 21 species, which included three species classified as Endangered. Road type (plantation road or highway), year, and distance of the road from continuous and fragmented forests were significant in determining mammal mortality. Unexpectedly, the majority of road mortality occurred on palm oil plantation roads compared to highways. Mortality of small‐ and medium‐sized mammals was greater at locations further from continuous forest than those closer to fragmented forests. Segmentation of continuous forest by roads should be avoided wherever possible to reduce the threat of roads on crossing wildlife.
机译：农业扩张，城市化和道路网络的森林破碎是一个持续的全球生物多样性危机。在东南亚和其他热带地区，野生动物种群被分离为公路网络和单一栽培种植园包围的自然栖息地。来自野生动物 - 车辆碰撞（WVC）的死亡率是有助于人类修改景观中许多保护优先级的下降。本研究是马来西亚第一个调查影响WVCs发生的因素。我们评估了野生动物和国家公园系聚集的小型哺乳动物，在半岛马来西亚的哺乳动物。我们审查了野生动物道路事故与几个环​​境因素之间的关系。我们发现共有605名涉及21种的道路桶，其中包括三种归类为濒危物种。道路类型（种植园道路或公路），年度和碎片森林的道路距离在决定哺乳动物死亡率方面都很重要。意外地，与高速公路相比，棕榈油种植园道路上大部分道路死亡率发生。在连续森林的进一步进一步的位置比碎片森林更接近那些小型哺乳动物的死亡率。尽可能通过道路进行连续森林的分割，以减少交叉野生动物的道路威胁。

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