Document Information Documents The Use of Seal Scarers as a Protective Mitigation Measure Can Induce Hearing Impairment in Harbour Porpoises ASCOBANS/NSG9/Inf.3.5c ASCOBANS Jan 18, 2021 Public files ascobans_nsg9_inf3.5c_seal-scarers-hearing-impairment.pdf 1016.39 KB Jan 18, 2021 Related content Meetings 1 9th Meeting of the North Sea Group 20 - 21 Jan 2021 Virtual / Online Species Harbour Porpoise Harbour Porpoise