Gemini T-0: passive acoustic monitoring and aerial surveys of harbour porpoises

In accordance with the monitoring and evaluation plan (MEP) for the ‘Gemini Offshore Wind Farm’ the ecological monitoring of harbour porpoises was carried out by IMARES and IBL Umweltplanung, concerning the distribution and numbers of harbour porpoises in and around the wind farm prior to construction (T-0). For this purpose aerial surveys as well as passive acoustic monitoring were performed.