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Light Pollution

Introduction
The influence of light pollution was already considered by CMS as a problem, mainly for night time migratory birds but also for bats. Three main areas were identified:

  1. Interaction with feeding activity, including prey distribution and intra bat species competition;
  2. (In)direct effects on roosts;
  3. Effects on commuting - all non-feeding related movements, including barrier function of lit roads and fragmentation of the night landscape.

This IWG was established during the AC12 Meeting in Budapest with the following objectives:

  • Create an assessment of the different aspects of impact of light on the various bat species;
  • Create methodological guidelines to survey the effect of light pollution (experimental design of studies) and
  • Conservation guidelines (case specific).
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