Aarhus Universitets segl

No. 240: HOLAS-III harbour porpoise importance map. Methodology

Sveegaard S, Carlén I, Carlström J, Dähne M, Gilles A, Loisa O, Owen K & Pawliczka I. 2022. HOLAS-III harbour porpoise importance map. Methodology. Aarhus University, DCE – Danish Centre for Environment and Energy, 20 pp. Technical Report No. 240. http://dce2.au.dk/pub/TR240.pdf

Summary

This report describes the methodology used for creating a new map of porpoise presence within the HELCOM area for HOLAS-III. The map were based on data from telemetry and visual surveys for the Belt Sea population and passive acoustic monitoring (SAMBAH and national surveys) and national expert judgement  for the Baltic Proper population.