Abstract:
:Seasonal maritime traffic was investigated in relation to cetaceans, through direct observations (July 2013-June 2015) along three fixed transects in Western Mediterranean. Visually obtained vessel abundance was compared with Automatic Identification System data to explore if the two methods provided different results. Traffic intensity and composition were characterised by seasons and vessel categories. Finally, cetacean presence was investigated in relation to traffic by measuring the difference of vessel abundance in the presence and absence of animal sightings. Results showed that visual sampling was consistent with AIS data, providing more information on small-medium vessels. Traffic was more intense and diverse in Spring/Summer, and the highest vessel abundance and seasonal variations in composition emerged for inshore subareas. The difference of traffic in the presence and absence of cetaceans was higher in most offshore subareas in Spring/Summer, verified for B. physalus and S. coeruleoalba; in inshore waters, mostly occupied by T. truncatus, no significant differences emerged.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Campana I,Angeletti D,Crosti R,Luperini C,Ruvolo A,Alessandrini A,Arcangeli Adoi
10.1016/j.marpolbul.2016.12.008subject
Has Abstractpub_date
2017-02-15 00:00:00pages
282-291issue
1-2eissn
0025-326Xissn
1879-3363pii
S0025-326X(16)30995-Xjournal_volume
115pub_type
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
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journal_title:Marine pollution bulletin
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