Boat traffic in Lampedusa waters (Strait of Sicily, Mediterranean Sea) and its relation to the coastal distribution of common bottlenose dolphin (Tursiops truncatus)

The volume of boat traffic and its potential connection to the coastal distribution of the common bottlenose dolphin (Tursiops truncatus) was evaluated off Lampedusa Island (Strait of Sicily). From July to September 2006 daily surveys were carried out at eight sites along the coast, three times a d...

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Main Authors: G La Manna, S Cló, E Papale, G Sará
Format: Article
Language:English
Published: Universidad Autónoma de Baja California 2010-03-01
Series:Ciencias Marinas
Subjects:
Online Access:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/1457
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author G La Manna
S Cló
E Papale
G Sará
author_facet G La Manna
S Cló
E Papale
G Sará
author_sort G La Manna
collection DOAJ
description The volume of boat traffic and its potential connection to the coastal distribution of the common bottlenose dolphin (Tursiops truncatus) was evaluated off Lampedusa Island (Strait of Sicily). From July to September 2006 daily surveys were carried out at eight sites along the coast, three times a day, to assess the number, type, and size of boats moving, fishing, or stationed in Lampedusa waters. The study area was divided into four geographic areas: northwest, northeast, southwest, and southeast. Data were analyzed to determine the difference in the number of boats among the areas, sampling months, and times of day. The presence of dolphins was monitored by standardized land-based observations. Dolphins (n = 139) from 38 sightings were observed throughout the study period (90 days). In order to compare the presence of dolphins among areas, a relative abundance index was used: A-EH (number of sighted specimens per effort hour). Common bottlenose dolphins appeared to be broadly distributed around Lampedusa, although this study highlighted a possible overlap between their habitat, boat traffic, and fishery, especially in the southwest. 
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spelling doaj.art-bbeb1da19a3e4778b555aa92e1cbfcc22024-03-03T18:04:34ZengUniversidad Autónoma de Baja CaliforniaCiencias Marinas0185-38802395-90532010-03-0136110.7773/cm.v36i1.1457Boat traffic in Lampedusa waters (Strait of Sicily, Mediterranean Sea) and its relation to the coastal distribution of common bottlenose dolphin (Tursiops truncatus)G La Manna0S Cló1E Papale2G Sará3Università di ParmaDipartimento Conservazione della NaturaUniversità degli Studi di TorinoUniversità di Palermo The volume of boat traffic and its potential connection to the coastal distribution of the common bottlenose dolphin (Tursiops truncatus) was evaluated off Lampedusa Island (Strait of Sicily). From July to September 2006 daily surveys were carried out at eight sites along the coast, three times a day, to assess the number, type, and size of boats moving, fishing, or stationed in Lampedusa waters. The study area was divided into four geographic areas: northwest, northeast, southwest, and southeast. Data were analyzed to determine the difference in the number of boats among the areas, sampling months, and times of day. The presence of dolphins was monitored by standardized land-based observations. Dolphins (n = 139) from 38 sightings were observed throughout the study period (90 days). In order to compare the presence of dolphins among areas, a relative abundance index was used: A-EH (number of sighted specimens per effort hour). Common bottlenose dolphins appeared to be broadly distributed around Lampedusa, although this study highlighted a possible overlap between their habitat, boat traffic, and fishery, especially in the southwest.  https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/1457Tursiops truncatusboat trafficdistributionLampedusa IslandMediterranean Sea
spellingShingle G La Manna
S Cló
E Papale
G Sará
Boat traffic in Lampedusa waters (Strait of Sicily, Mediterranean Sea) and its relation to the coastal distribution of common bottlenose dolphin (Tursiops truncatus)
Ciencias Marinas
Tursiops truncatus
boat traffic
distribution
Lampedusa Island
Mediterranean Sea
title Boat traffic in Lampedusa waters (Strait of Sicily, Mediterranean Sea) and its relation to the coastal distribution of common bottlenose dolphin (Tursiops truncatus)
title_full Boat traffic in Lampedusa waters (Strait of Sicily, Mediterranean Sea) and its relation to the coastal distribution of common bottlenose dolphin (Tursiops truncatus)
title_fullStr Boat traffic in Lampedusa waters (Strait of Sicily, Mediterranean Sea) and its relation to the coastal distribution of common bottlenose dolphin (Tursiops truncatus)
title_full_unstemmed Boat traffic in Lampedusa waters (Strait of Sicily, Mediterranean Sea) and its relation to the coastal distribution of common bottlenose dolphin (Tursiops truncatus)
title_short Boat traffic in Lampedusa waters (Strait of Sicily, Mediterranean Sea) and its relation to the coastal distribution of common bottlenose dolphin (Tursiops truncatus)
title_sort boat traffic in lampedusa waters strait of sicily mediterranean sea and its relation to the coastal distribution of common bottlenose dolphin tursiops truncatus
topic Tursiops truncatus
boat traffic
distribution
Lampedusa Island
Mediterranean Sea
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/1457
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