[MARMAM] New publications from Turkey
Arda M. Tonay
atonay at istanbul.edu.tr
Mon Jan 9 06:57:09 PST 2012
Apologies for cross posting.
We would like to inform you that the new three article have been published
in Journal of the Black Sea/Mediterranean Environment.
They are available online via the following links.
* Dede, A., Saad, A., Fakhri, M., Öztürk, B. 2012. Cetacean sightings in
the Eastern Mediterranean Sea during the cruise in summer 2008. J. Black
Sea/Mediterranean Environment 18:49-57
The Eastern Mediterranean Sea is one of the least studied areas for
cetaceans in the Mediterranean Sea. Lack of basic knowledge such as species
composition and habitats makes it impossible to develop effective
conservation measures. Therefore, in order to determine the species
composition, size and distribution of cetacean populations, cetacean
sighting data were collected during a research cruise carried out in summer
(11- 24 July) 2008 in the international water of the Eastern Mediterranean
Sea, as well as the Turkish, Lebanese and Syrian territorial waters. Totally
860 nautical miles (nm) of survey effort was made and 16 sightings were
recorded. During the study, five Physeter macrocephalus in one sighting, 53
Stenella coeruleoalba in five sightings, two Grampus griseus in one sighting
(associated with S. coeruleoalba individuals), two Delphinus delphis in one
sighting and 27 Tursiops truncatus in nine sightings were recorded. The
overall sighting rate was 0.18 sightings/10 nm. This is a preliminary study
for understanding cetacean populations in the Eastern Mediterrannean Sea,
but the results of this study will provide basic information for developing
conservation plans in the area.
* Tonay, A.M., Dede, A., Öztürk, A.A., Ercan, D., Fernández, A. 2012.
Unusual mass mortality of cetaceans on the coast of the Turkish Western
Black Sea in summer 2009. J. Black Sea/Mediterranean Environment 18:65-75
Between mid-July and early August, an unusual mass mortality of cetaceans
was detected on the Turkish Western Black Sea coast. 114 cetaceans (53
harbour porpoises, 9 common dolphins, 7 bottlenose dolphins, 45
unidentified) were reported dead and nine common dolphins stranded alive, 6
of which were returned to the sea. Only two freshly dead common dolphins
were subjected to a complete necropsy, sampling and tissue analysis. Tissue
samples from brain, lung, spleen, liver, kidney, muscle and testis were
fixed in formalin and embedded in paraffin. Histological analysis was
conducted and immunohistochemical technique to detect morbillivirus antigen
was applied. RNA and cDNA samples were examined for dolphin morbillivirus
(DMV) detect by reversetranscription–PCR (RT-PCR) and conventional PCR. Main
histopathological lesions were multifocal non-purulent meningitis, severe
diffuse alveolar oedema in lung samples, multifocal periportal macrovacuolar
hepatic steatosis, interstitial and tubular degeneration with protein casts
and calcifications in renal medulla. No evidence for DMV infection was
analytically found in both dolphins, and the cause of this unusual mortality
is still uncertain.
* Tonay, A.M., Dede, A., Maracı, Ö., Bilgin, R. 2012. A preliminary genetic
study on the harbour porpoise (Phocoena phocoena) in the Turkish Seas. J.
Black Sea/Mediterranean Environment 18:83-89
Mitochondrial DNA sequences of three individuals of the harbour porpoise
(Phocoena phocoena) sampled in the Black Sea, Marmara Sea and Aegean Sea,
revealed three polymorphic sites, resulting in three different haplotypes.
None of the haplotypes obtained in this study clustered with those in the
Atlantic populations, consistent with previous findings. The Black Sea and
the Aegean haplotypes sequenced in this study had been previously detected
from the Ukraine coast of the Black Sea, supporting the idea that harbour
porpoises from the Black Sea dispersed into the northern Aegean through the
Istanbul and Çanakkale Straits. The third sample from the Marmara Sea had
the same unique haplotype as the one found in three individuals from the
same sea in an earlier study. This structuring supports the possibility of
an isolated population in the Marmara Sea. It should also be noted that this
is the first genetic study of the harbour porpoise, in which a sample from
the Turkish coast of the Northern Aegean Sea was studied.
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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