NMFS Seeks Comment on Latest Version of Acoustic Effects Guidance

The National Marine Fisheries Service has published a document containing proposed changes to its Draft Guidance for Assessing the Effects of Anthropogenic Sound on Marine Mammal Hearing.

The Guidance provides updated received levels, or thresholds, at which individual
marine mammals under NMFS’ management authority are predicted to experience changes in their hearing sensitivity (either temporary or permanent) for all underwater anthropogenic sound sources. NMFS has re-evaluated and modified several parts of the Draft Guidance and is soliciting public comment on the proposed changes. This is the third comment period on this Guidance.

NMFS must receive any comments by March 30, 2016.

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