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Comparative review of marine mammal guidance implemented during naval exercises
Authors:Sarah J Dolman  Caroline R Weir  Michael Jasny
Institution:a Whale and Dolphin Conservation Society (WDCS), Brookfield House, 38 St. Paul Street, Chippenham, Wiltshire, SN15 1LJ, UK
b University of Aberdeen, School of Biological Sciences, Zoology Department, Tillydrone Avenue, Aberdeen, AB24 2TZ, Scotland, UK
c Ketos Ecology, 4 Compton Road, West Charleton, Kingsbridge, Devon TQ7 2BP, UK
d Natural Resources Defense Council (NRDC), 1314 Second Street, Santa Monica, California, 90403, USA
Abstract:This article reviews the types and effectiveness of marine mammal mitigation measures used during some naval activities worldwide. The three main standard methods used to mitigate the potential impacts of naval sonar sound on marine mammals are (1) time/area planning (of exercises/active sonar use) to avoid marine mammals; (2) implementation of operational procedures (e.g. ‘soft start’ - where sound levels are gradually increased over time); and (3) monitoring of animals for the purpose of maintaining an ‘exclusion zone’ around the sound source. Suggestions towards a minimum worldwide mitigation standard are made.
Keywords:ACCOBAMS  Agreement on the Conservation of Cetaceans of the Black Sea  Mediterranean Sea and contiguous Atlantic Area  ADCP  Acoustic Doppler Current Profiler  ASCOBANS  Agreement on the Conservation of Small Cetaceans of the Baltic and North Seas  AUTEC  Atlantic Undersea Test and Evaluation Centre  BUTEC  British Undersea Test and Evaluation Centre  CCC  California Coastal Commission  CINCFLEET  Commander-In-Chief Fleet  DoD  Department of Defense  EAXA  East Australia Exercise Area  EIAs  Environmental Impact Assessments  EIS  Environmental Impact Statements  EPBC  Environment Protection and Biodiversity Conservation Act  ESS  Environmental Scoping Study  IEER  Improved Extended Echo Range  IUCN  International Union for Conservation of Nature  JMC  Joint Maritime Course  JNCC  Joint Nature Conservation Committee  LFAS  Low Frequency Active Sonar  MAEMP  Maritime Activities Environmental Management Plan  MILOC  Military Oceanography Group  MMO  marine mammal observer  MMPA  Marine Mammal Protection Act  NATO  North Atlantic Treaty Organisation  NDE  National Defence Exemption  NMFS  National Marine Fisheries Service  NURC  NATO Underwater Research Centre  PAM  passive acoustic monitoring  PMRF  Pacific Missile Range Facility  RAN  Royal Australian Navy  RIMPAC  Rim of the Pacific exercise  RN  Royal Navy  RNoN  Royal Navy of Norway  SACLANT  Supreme Allied Commander Atlantic  SAKAMATA  Sea Animal Kind Area-dependant Mitigated Active Transmission Aid  SEA  Strategic Environmental Assessment  SOAR  Southern California Anti-submarine Warfare Range  SOCAL  Southern California  S2087  Sonar 2087  S2117  Sonar 2117  SONATE  Norwegian decision aid tool  TESS  Tactical Environmental Support System  UK  United Kingdom  UNCLOS  United Nations Law of the Sea Convention  USN  United States Navy  USWEX  Undersea Warfare Exercises  WAXA  West Australia Exercise Area
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