Identification of high-risk areas for harbour porpoise Phocoena phocoena bycatch using remote electronic monitoring and satellite telemetry data

A list of the tagging sites, sex and age ratio, length, weight and year the porpoises were satellite-tagged is provided in Table S1. Porpoises 27, 25 and 14 were tagged in the Skagerrak, Inner Danish waters and the Kattegat, respectively. Skagen and Fjellerup were the only tagging sites used in the Skagerrak and Kattegat Sea, respectively, while several tagging sites were used in inner Danish waters with Korsør as the main one. The sex ratio was 38% females and 62% males. In relation to age distribution: 32% were estimated to be adults, 60% were juveniles and age was not estimated for 8% of the individuals. The mean length and weight of adults and juveniles were 145cm and 45kg and 118cm and 31kg, respectively.