Eavesdropping on dolphins: Investigating the habits of bottlenose dolphins (Tursiops truncatus) through fixed acoustic stations

Autor: Carla Morri, Carlo Nike Bianchi, C. Melchiorre, N. Stasi, Chiara Paoli, G. Viano, Valentina Cappanera, G. Fanciulli, Marco Brunoldi, Alessandra Casale, Jessica Alessi, Paolo Povero, Maurizio Würtz, Massimiliano Bei, M. Taiuti, Paolo Vassallo, Daniele Grosso, Alberta Mandich, Giorgio Bozzini
Jazyk: angličtina
Rok vydání: 2019
Předmět:
0106 biological sciences
Passive acoustic monitoring
Marine and Aquatic Sciences
Social Sciences
Animals
Environmental Monitoring
Regression Analysis
Seasons
Acoustics
Bottle-Nosed Dolphin
Ecosystem
Transportation
01 natural sciences
Marine Conservation
Machine Learning
Habits
Time of day
Mediterranean sea
Psychology
Conservation Science
Mammals
Multidisciplinary
biology
Physics
Eukaryota
Geography
Habitat
Vertebrates
Physical Sciences
Engineering and Technology
Medicine
Research Article
Computer and Information Sciences
Dolphins
Science
Marine Biology
010603 evolutionary biology
Artificial Intelligence
Marine Mammals
Behavior
010604 marine biology & hydrobiology
Ecology and Environmental Sciences
Significant difference
Organisms
Biology and Life Sciences
Bottlenose dolphin
biology.organism_classification
Boats
Fishery
Sea surface temperature
Amniotes
Earth Sciences
Marine protected area
Bioacoustics
Zdroj: PLoS ONE, Vol 14, Iss 12, p e0226023 (2019)
PLoS ONE
ISSN: 1932-6203
Popis: This study investigates the bottlenose dolphin (Tursiops truncatus, Montagu 1821) habitat use in the Portofino marine protected area (NW Italy) and adjacent waters, a core area for the dolphins and a highly touristic area in the Mediterranean Sea. A permanent automated real-time passive acoustic monitoring system, able to detect and track dolphins continuously, was tested in the area within the activities of the Life+ Nature project ARION. The habits of bottlenose dolphins was investigated considering the resident rate inside the area, which quantifies the amount of time dolphins spent in these waters, by means of random forest regression. The dependency of dolphin resident rate was analyzed in relation to four explanatory variables: sea surface temperature, season, time of day, and proximity to the coast. Dolphins spent more time in the area during spring and when sea surface temperature ranged between 15–16°C. Summer resulted the season with lower dolphin residency with significant difference between working day and weekend, in the last the lowest residency was recorded. Main findings provide important information to properly manage the area in order to protect bottlenose dolphins.
Databáze: OpenAIRE
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