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NVF Bridges Working Group – Webinar – Bridges to Biodiversity

13.-13. march, 2025
, Online

Bridges to Biodiversity 

the impact of bridges on biodiversity

Presentation 50 min

Part 1: Best management practices (BMP) for stormwaters from Bridges (15min)

  • Stormwater as a significant source of pollution in bridge design.
  • No specific regulation.
  • Goal: no direct untreated stormwater discharge from bridges’ stormwater pipes into waterbodies
  • Examples (and utilization of Nature-based solutions (NbS))

Part 2: Utilization of Biodiversity Net Gain (BNG) approach in bridge projects (15 min)

  • KPIs for biodiversity when estimating impacts of bridges on biodiversity
  • Supporting biodiversity before, during and after each bridge project.
  • Evaluation of nature’s biodiversity state locally at bridge site.
  • Estimation of biodiversity and comparison between initial and final state of biodiversity measured at site (Biodiversity Net Gain (BNG)).

Part 3: Embodied biodiversity impact of construction materials (20 min)

  • Method for defining and estimating.
  • Key pressure framework (land-use change (resulting in habitat loss), direct exploitation of species, pollution, introduction of invasive species, climate change)
  • Embodied biodiversity impacts of 6 key construction materials
  • Challenges and Roadmap to action

Discussions and comments (40 min):

  • Solutions for stormwaters from bridges in the Nordic countries
  • Possible utilization of BNG approach in the Nordic countries
  • Embodied biodiversity impact of construction materials – examples, challenges
  • Dokumenter