Italy introduces pre and post operation monitoring phases for offshore seismic exploration activities

Last modified: 
December 13, 2019 - 9:46pm
Type: Journal Article
Year of publication: 2017
Date published: 05/2017
Authors: C. Fossati, B. Mussi, R. Tizzi, G. Pavan, D.S. Pace
Journal title: Marine Pollution Bulletin
ISSN: 0025326X

Concern is growing that marine fauna can be affected by noise such as naval sonar, pile driving or geophysical surveys, among others. Literature reports a variety of animal reactions to human noise (from apparently null or negligible to strong). However, conclusive results on its effects on marine mammals at individual and population level are still lacking. In 2015, the Italian Environmental Impact Assessment Commission mandated seismic operators apply a standard scientific protocol comparing marine mammal presence before, during, and after offshore seismic survey. For 60 days before and after the survey, marine mammals are monitored using visual and acoustic methods. One or more acoustic autonomous recorders, depending on area size, must also be deployed throughout the three phases for continuous monitoring. Consistent data gathered from many surveys will enable robust statistical analysis of results. Diffusion of this monitoring method internationally would improve the study of far-reaching, intense, low frequency noise.

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