Monitoring ship noise to assess the impact of coastal developments on marine mammals

Merchant, Nathan D., Pirotta, Enrico, Barton, Tim R. and Thompson, Paul M. (2014) Monitoring ship noise to assess the impact of coastal developments on marine mammals. Marine Pollution Bulletin, 78 (1-2). pp. 85-95. ISSN 0025-326X

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Abstract

The potential impacts of underwater noise on marine mammals are widely recognised, but uncertainty over variability in baseline noise levels often constrains efforts to manage these impacts. This paper characterises natural and anthropogenic contributors to underwater noise at two sites in the Moray Firth Special Area of Conservation, an important marine mammal habitat that may be exposed to increased shipping activity from proposed offshore energy developments. We aimed to establish a pre-development baseline, and to develop ship noise monitoring methods using Automatic Identification System (AIS) and time-lapse video to record trends in noise levels and shipping activity. Our results detail the noise levels currently experienced by a locally protected bottlenose dolphin population, explore the relationship between broadband sound exposure levels and the indicators proposed in response to the EU Marine Strategy Framework Directive, and provide a ship noise assessment toolkit which can be applied in other coastal marine environments.

Item Type: Article
Uncontrolled Keywords: sdg 14 - life below water ,/dk/atira/pure/sustainabledevelopmentgoals/life_below_water
Faculty \ School: Faculty of Science > School of Environmental Sciences
Depositing User: LivePure Connector
Date Deposited: 28 Mar 2022 09:30
Last Modified: 01 Apr 2022 11:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/84298
DOI: 10.1016/j.marpolbul.2013.10.058

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