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Enhancing road verges to aid pollinator conservation: A review
Biological Conservation ( IF 5.9 ) Pub Date : 2020-10-01 , DOI: 10.1016/j.biocon.2020.108687
Benjamin B. Phillips , Claire Wallace , Bethany R. Roberts , Andrew T. Whitehouse , Kevin J. Gaston , James M. Bullock , Lynn V. Dicks , Juliet L. Osborne

Abstract Road verges provide habitats that have considerable potential as a tool for pollinator conservation, especially given the significant area of land that they collectively cover. Growing societal interest in managing road verges for pollinators suggests an immediate need for evidence-based management guidance. We used a formal, global literature review to assess evidence for the benefits of road verges for pollinators (as habitats and corridors), the potential negative impacts of roads on pollinators (vehicle-pollinator collisions, pollution, barriers to movement) and how to enhance road verges for pollinators through management. We identified, reviewed and synthesised 140 relevant studies. Overall, the literature review demonstrated that: (i) road verges are often hotspots of flowers and pollinators (well established), (ii) traffic and road pollution can cause mortality and other negative impacts on pollinators (well established), but available evidence suggests that the benefits of road verges to pollinators far outweigh the costs (established but incomplete), and (iii) road verges can be enhanced for pollinators through strategic management (well established). Future research should address the lack of holistic and large-scale understanding of the net effects of road verges on pollinators. We provide management recommendations for enhancing both individual road verges for pollinators (e.g. optimised mowing regimes) and entire road networks (e.g. prioritising enhancement of verges with the greatest capacity to benefit pollinators), and highlight three of the most strongly supported recommendations: (i) creating high quality habitats on new and existing road verges, (ii) reducing mowing frequency to 0–2 cuts/year and (iii) reducing impacts of street lighting.

中文翻译:

加强道路边缘以帮助保护传粉媒介:回顾

摘要 道路边缘提供的栖息地作为保护传粉媒介的工具具有相当大的潜力,特别是考虑到它们共同覆盖的土地面积很大。社会对传粉媒介道路边缘管理的兴趣日益浓厚,这表明迫切需要基于证据的管理指南。我们使用正式的全球文献综述来评估道路边缘对传粉媒介(作为栖息地和走廊)的益处、道路对传粉媒介的潜在负面影响(车辆与传粉媒介的碰撞、污染、移动障碍)以及如何增强通过管理为传粉者提供道路边缘。我们确定、审查和综合了 140 项相关研究。总体而言,文献综述表明:(i) 道路边缘通常是花卉和传粉媒介的热点(充分成立),(ii) 交通和道路污染会对传粉媒介造成死亡和其他负面影响(充分成立),但现有证据表明,道路边缘对传粉媒介的好处远远超过成本(成立但不充分),以及 (iii) 道路边缘可以通过战略管理加强授粉媒介(充分成立)。未来的研究应解决对道路边缘对传粉媒介的净影响缺乏全面和大规模的了解。我们为增强传粉媒介的个别道路边缘(例如优化割草制度)和整个道路网络(例如优先增强具有最大能力使传粉媒介受益的道路边缘)提供管理建议,并强调三个最受支持的建议:
更新日期:2020-10-01
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