[MARMAM] New publication: Behavioural and temporal partitioning of dolphin social groups in the northern Adriatic Sea

Tilen Genov tilen.genov at gmail.com
Tue Dec 18 13:08:32 PST 2018

Dear MARMAM community

My co-authors and I are pleased to announce the publication of the
following paper:

Genov T., Centrih T., Kotnjek P., Hace A. (2019) *Behavioural and temporal
partitioning of dolphin social groups in the northern Adriatic Sea*. *Marine
Biology* 166:11. https://doi.org/10.1007/s00227-018-3450-8

Complex social structure is a prominent feature in several mammal species.
Such structure may lead to behavioural diversity not only among
populations, but also within a single population, where different subsets
of a population may exhibit different types of behaviour. As a consequence,
understanding social structure is not only interesting biologically, but
may also help conservation and management efforts, because not all segments
of a population necessarily respond to or interact with human activities in
the same way, or at the same time. In this study, we examined the social
structure of common bottlenose dolphins (*Tursiops truncatus*) in the Gulf
of Trieste and adjacent waters (northern Adriatic Sea), based on a 9-year
dataset, using social network metrics and association indices. We assessed
whether different segments of the population show differences in behaviour
and interactions with fisheries. Dolphin social network was structured into
distinct social clusters of mixed sexes. We found no evidence of male
alliances. The two largest social clusters overlapped spatially, but not
temporally, as they used the same area at different times of day. Such diel
temporal partitioning does not appear to have been documented in cetaceans
previously. The two clusters also differed in ways they interact with
fisheries, as one regularly interacted with trawlers, while the other did
not. This study demonstrates how different segments of animal populations
can interact differently with human activities and in turn respond
differently to anthropogenic impacts.

The paper is Open Access and is freely available at:

Please email me at tilen.genov at gmail.com if you have any difficulty
accessing the paper.

Best regards,

Tilen Genov

Tilen Genov

Morigenos - Slovenian Marine Mammal Society
Kidricevo nabrezje 4
6330 Piran


PhD student
Sea Mammal Research Unit
Scottish Oceans Institute
University of St Andrews
United Kingdom

* <https://www.researchgate.net/profile/Tilen_Genov>*
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