02238nam 2200493 450 991070972150332120181116095542.0(CKB)5470000002473034(OCoLC)1066114951(EXLCZ)99547000000247303420181116d2018 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrier2018 revision to : Technical guidance for assessing the effects of anthropogenic sound on marine mammal hearing (Version 2.0) underwater thresholds for onset of permanent and temporary threshold shiftsVersion 2.0.Silver Spring, MD :U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service,2018.1 online resource (x, 168 pages) illustrations (some color)NOAA technical memorandum NMFS-OPR ;59"April 2018."Includes bibliographical references (pages 150-168).2018 revision to Marine mammalsConservationGovernment policyUnited StatesMarine mammalsEffect of noise onGovernment policyUnited StatesMarine mammalsEffect of human beings onGovernment policyUnited StatesUnderwater acousticsGovernment policyUnited StatesAuditory perceptionTestingAudiometryMarine mammalsConservationGovernment policyMarine mammalsEffect of noise onGovernment policyMarine mammalsEffect of human beings onGovernment policyUnderwater acousticsGovernment policyAuditory perceptionTesting.Audiometry.United States.National Marine Fisheries Service,United States.National Marine Fisheries Service.Office of Protected Resources,GPOGPOBOOK99107097215033212018 revision to : Technical guidance for assessing the effects of anthropogenic sound on marine mammal hearing (Version 2.0)3505072UNINA