Bat migration over the German North and Baltic Sea (#311)
Short name: Batmobil
Short description: Investigation of flightroutes of bats crossing the German North and Baltic Sea.
Description: The Motus study is part of the project "Batmobil" funded by the Federal Agency for Nature Conservation Germany (BfN) with funds of the Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (FKZ 3519 86 1300).
The aim of the project "Batmobil" is to identify the concrete factors that increase the collision risk for bats at offshore wind turbines. These shall serve as the basis to infer mitigation measures.
- an acoustic survey on the existence of agglomeration areas shall be conducted,
- individual flight routes shall be investigated by means of telemetry,
- the behaviour during the flight and at vertical structures shall be observed.
The following questions shall be answered:
- Do agglomerations, focal areas or flight corridors exist? Areas with higher occurrence probabilities are areas with increased conflict potential.
- How do bats behave during over-sea migration? Which flight routes and heights do they use? Specific flight routes may complete the knowledge on agglomerations. If bats fly in the altitude of offshore wind turbines may influence the collision risk significantly.
- How do over-sea migrating bats behave at vertical structures like offshore wind turbines? Do they change their flight height? Do they show exploration behaviour? Behaviour patterns like the existence of exploration behaviour at offshore wind turbines may increase the collision risk significantly.
The results shall serve as a basis for the inference of spatial plan and technical mitigation measures. Further standard methods for the investigation of bats in specific offshore wind farm projects shall be developed. These may be implemented in the approval procedures of authorities in Germany.
Project contact: Antje Seebens-Hoyer, NABU Mecklenburg-Vorpommern e.V.
Researchers: Antje Seebens-Hoyer, NABU Mecklenburg-Vorpommern e.V.
Christian Voigt, Leibniz Institute for Zoo and Wildlife Research
Henrik Pommeranz
Lothar Bach
Matthias Goettsche
Petra Bach
Vera Brust
Tags: 50 (table)
Species: 11 Nathusius' Pipistrelle
Creation date: 2020-02-21 09:21:46 UTC
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