4.0 Article

Mainstreaming ecological connectivity in road environmental impact assessments: a long way to go

期刊

IMPACT ASSESSMENT AND PROJECT APPRAISAL
卷 40, 期 6, 页码 475-480

出版社

ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/14615517.2022.2099727

关键词

Road ecology; connectivity modelling; mitigation hierarchy; no net loss; adaptive management; EIA

资金

  1. PNPD/CAPES [001]
  2. National Funds through FCT - Foundation for Science and Technology [UIDB/05183/2020]
  3. Fundacao Empresa Escola de Engenharia of the Universidade Federal do Rio Grande do Sul [FEENG/307, FEENG/437]

向作者/读者索取更多资源

Road networks have an impact on ecological connectivity, and it is important to include ecological connectivity in environmental impact assessments (EIAs) of road projects. This letter discusses overcoming existing gaps and obstacles in considering connectivity loss in EIAs and improving mitigation measures. The cooperation between stakeholders and practitioners should be increased, and future research should focus on integrating connectivity into EIA practice.
Road networks affect ecological connectivity, which has implications across different levels of biological organization. There are compelling reasons and sufficient approaches and tools to mainstream ecological connectivity into environmental impact assessments (EIAs) of road projects. In this letter, we discuss ways of overcoming the existing gaps and obstacles in the consideration of connectivity loss in EIAs and how to improve mitigation. The selection of target species, shifting from single to multispecies approaches, and the evaluation of scale optimization are challenges that need to be overcome. We also discuss that the mitigation hierarchy, no net loss targets, and the principles of adaptive management should be applied to increase the effectiveness of mitigation measures. We propose to increase the cooperation between stakeholders and practitioners to enhance co-production and build capacity to conduct evidence-based EIAs for assessing ecological connectivity. Finally, we identify directions for future research that can contribute to integrating connectivity into EIA practice.

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