Document Information Documents Small Cetacean in a Human High-Use Area: Trends in Harbor Porpoise Abundance in the North Sea Over Two Decades ASCOBANS/NSG9/Inf3.1 ASCOBANS Jan 14, 2021 Public files ascobans_nsg9_inf3.1_trends-hp-abundance-north-sea.pdf 1.99 MB Jan 14, 2021 Related content Meetings 1 9th Meeting of the North Sea Group 20 - 21 Jan 2021 Virtual / Online Species Harbour Porpoise Harbour Porpoise