[MARMAM] New publication: Cetacean sightings in the Western Black Sea in autumn 2007
Arda M. Tonay
atonay at istanbul.edu.tr
Thu Oct 27 11:32:23 PDT 2011
Apologies for cross posting.
We would like to inform you that the new article has been published in
Journal of Environment Protection and Ecology.
Dede, A., Tonay, A.M. 2010. Cetacean sightings in the Western Black Sea in
autumn 2007. Journal of Environmental Protection and Ecology 11, No 4,
It is available online via the following link:
Cetacean sighting data were collected on a research cruise carried out in
(27.10-02.11.2007) in the western Black Sea between Istanbul (Turkey) and
and vice versa. This research cruise was conducted with a 32-m research
vessel R/V YUNUS-S in
the international waters. Average speed of the vessel was 10 nautical
miles/h. At each sighting of
cetaceans, species, numbers of animals, location (coordinates), time,
behaviour of animals were recorded.
During the survey, totally 417 nm was covered and 33 h of effort was made.
The aim of the
preliminary study was understanding the size and distribution of dolphin
population in the western
Black Sea. During the study, totally 16 sightings (91 individuals) of three
species; common dolphin
(Delphinus delphis), bottlenose dolphin (Tursiops truncatus) and harbour
phocoena) were recorded. Number of individuals and number of sightings are
61 common dolphins
in eight, 29 bottlenose dolphin in seven, and a harbour porpoise in one
observation. The overall
encounter rate was 3.83 sightings/100nmiles. Common dolphin was the most
often observed species
(50%), followed by the bottlenose dolphin (44%), and harbour porpoise (6%).
Arda M. TONAY PhD
Istanbul University Faculty of Fisheries
Marine Biology Dep.
Ordu Cad. No:200 Laleli, 34480 İstanbul, Turkey
Tel: 90 212 455 5700 Fax: 90 212 514 0379
atonay at istanbul.edu.tr <http://suurunleri.istanbul.edu.tr/en/>
Turkish Marine Research Foundation (TUDAV)
P.Box: 10 Beykoz İstanbul, Turkey
Tel: 90 216 4240 772 Fax: 90 216 424 0771
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