As part of the expansion of renewable energies in Germany, the further expansion of offshore wind energy is also planned. Consequently, there is an increasing risk of collision and thus mortality for bats migrating over the seas. The project aims to determine which specific factors increase the collision risk for bats with offshore wind turbines. These are to serve as a basis for deriving impact mitigating measures.
The project aims to identify factors that increase the risk of collision and mortality for bats with offshore wind turbines. It is to be examined to what extent areas in which bats congregate such as flight corridors exist that could be used as a basis for impact reducing spatial planning measures and whether behavioural patterns (such as exploratory behaviour of man-made vertical structures) exist that could significantly increase the risk of collision. On this basis, standard methods for the impact assessment of offshore wind farm projects for bats are to be formulated as a basis for an updating of the federal approval concepts.
Within the framework of Batmobil it is planned to
The following questions are to be addressed:
On that basis, standard methods for primary surveys and monitoring of bats at specific wind farm projects are to be developed and formulated. These can be directly integrated into the standard survey concepts of the federal approval authorities.
Testing of methods and development of a survey concept to identify densely populated areas and the behaviour of bats migrating over seas
Conduct a field study based on the survey concept
Identification of factors that increase the collision risk for bats with offshore wind turbines (based on the field study)
Formulation of standard investigation methods for the investigation of bats as protected species in the context of offshore wind farm projects
Preparation of a final report and scientific publication
NABU Mecklenburg-Western Pommerania
(Nature And Biodiversity Conservation Union)
Wismarsche Straße 146, 19053 Schwerin
Federal Nature Conservation Agency (BfN)
II 3.3 Human impacts & ecological issues in marine projects
Dr. Sandra Vardeh