Vol.19 – 2013 – Sayfa 3 – Journal of the Black Sea / Mediterranean Environment

SPERM WHALE (PHYSETER MACROCEPHALUS) SIGHTINGS IN THE AEGEAN AND MEDITERRANEAN PART OF TURKISH WATERS

Sperm whale (Physeter macrocephalus) sightings in the Aegean and Mediterranean part of Turkish waters

Ayaka Amaha Öztürk, Arda M. Tonay, Ayhan Dede

Faculty of Fisheries, Istanbul University, Ordu St., No: 200, 34470, Laleli, Istanbul, TURKEY
Turkish Marine Research Foundation (TUDAV), P. O. Box: 10, Beykoz, Istanbul, TURKEY

Abstract

Between 1994 and 2012, 43 sightings of sperm whales (Physeter macrocephalus) were reported in the Turkish part of the Aegean and Mediterranean Sea. Most of the sightings were located near the Fethiye Canyon which is one of the deepest parts of the Mediterranean Sea. The eastern limit of the sperm whale sighting in the Turkish part of the Mediterranean Sea is Alanya and the northern limit is Gökçeada in the northern Aegean Sea.

Keywords: Sperm whale, Physeter macrocephalus, Aegean Sea, Mediterranean Sea, distribution, Turkish waters

References

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SOME ASPECTS OF THE BIOLOGY AND THE PRESENT STATE OF THE POPULATION OF PROTODRILUS FLAVOCAPITATUS (POLYCHAETA: PROTODRILIDAE) IN THE COASTAL ZONE OF CRIMEA (THE BLACK SEA)

Some aspects of the biology and the present state of the population of Protodrilus flavocapitatus (Polychaeta: Protodrilidae) in the coastal zone of Crimea (the Black Sea)

Vera Kopiy

The Institute of Biology of the Southern Seas, National Academy of Sciences of Ukraine, IBSS, 99011, Sevastopol, UKRAINE

Abstract

The annual density fluctuations of the polychaete Protodrilus flavocapitatus (Uljanin, 1877) was investigated in the Crimean coastal zone. The maximum density of polychaete was recorded in December (472 ind.m^˗2) and the minimum in July (13 ind.m^˗2). In addition, an experiment regarding its asexual reproduction strategy was conducted. Females with eggs were recorded from April to June. It was found that this species can regenerate missed body fragments and the regeneration of the distal end began in the second day.

Keywords: Polychaete worms, Protodrilidae, Protodrilus flavocapitatus, Black Sea

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BENTHIC MARINE ALGAE IN NORTHERN CYPRUS (EASTERN MEDITERRANEAN SEA)

Benthic marine algae in Northern Cyprus (Eastern Mediterranean Sea)

Ergün Taşkın, Mehmet Öztürk, Oğuz Kurt, Sevilay Ulcay

Department of Biology, Faculty of Arts and Sciences, Celal Bayar University, 45140, Muradiye, Manisa, TURKEY

Abstract

This paper reports 242 taxa at species and infraspecies level of the benthic marine algae (75 Phaeophyceae, 129 Rhodophyta, and 38 Chlorophyta) from Northern Cyprus. Among them, 107 taxa are recorded for the first time from the coast of Northern Cyprus. Sampling was made at seven different localities (Yeşilırmak, Koruçam, Girne, Dip Karpaz, Kumyalı, Salamis, and Gazi Mağusa) in North Cyprus in 2005˗2008.

Keywords: Algae, Chlorophyta, Cyprus, Phaeophyceae, Rhodophyta

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NEW MAXIMUM LENGTH OF TUB GURNARD, CHELIDONICHTHYS LUCERNA (LINNAEUS, 1758) (OSTEICHTHYES: TRIGLIDAE) IN THE SOUTHERN AEGEAN SEA, TURKEY

New maximum length of Tub gurnard, Chelidonichthys lucerna (Linnaeus, 1758) (Osteichthyes: Triglidae) in the Southern Aegean Sea, Turkey

Okan Akyol

Department of Fishing Technology and Fish Processing, Fisheries Faculty, Ege University, 35440 Urla, Izmir, TURKEY

Abstract

A specimen of the Tub gurnard, Chelidonichthys lucerna, with 735 mm TL, was caught on 2 January 2013 by an angler on a boat in Sığacık Bay, Southern Aegean Sea. The given size is the second maximum length record of C. lucerna, however, it is a first confirmed record for the Turkish seas.

Keywords: Tub gurnard, Chelidonichthys lucerna, maximum length, Sığacık Bay, Aegean Sea

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Özaydın, O., Uçkun, D., Akalın, S., Leblebici, S., Tosunoğlu, Z. (2007) Lengthweight relationships of fishes captured from Izmir Bay, central Aegean Sea. J. Appl. Ichthyol. 23: 695-696.

Sangun, L., Akamca, E., Akar, M. (2007) Weight-length relationships for 39 fish species from the North-easten Mediterranean coast of Turkey. Turkish Journal of Fisheries and Aquatic Sciences 7: 37-40.

Uçkun-İlhan, D., Toğulga, M. (2007) Age, growth and reproduction of tub gurnard, Chelidonichthys lucernus Linnaeus, 1758 (Osteichthyes: Triglidae) from Izmir Bay, Aegean Sea, Eastern Mediterranean. Acta Adriat. 48 (2): 173- 184.

FIRST STRANDING RECORD OF A HARBOUR PORPOISE (PHOCOENA PHOCOENA) IN THE SOUTHERN AEGEAN SEA

First stranding record of a harbour porpoise (Phocoena phocoena) in the Southern Aegean Sea

Arda M. Tonay, Ayhan Dede

Faculty of Fisheries, Istanbul University, Ordu St., No. 200, 34470, Laleli, Istanbul, TURKEY
Turkish Marine Research Foundation (TUDAV), P.O. Box: 10, Beykoz, Istanbul, TURKEY

Abstract

A stranding of a harbour porpoise (Phocoena phocoena) was reported for the first time in the Southern Aegean Sea. This is the twelfth confirmed and the sourthern record of this species in the Aegean Sea. Pennella sp. infestation is reported for the first time on a phocoenid species.

Keywords: Harbour porpoise, Phocoena phocoena, Aegean Sea, Pennella, ectoparasite infestation

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Notarbartolo di Sciara, G., Birkun, A. Jr. (2010) Conserving Whales, Dolphins and Porpoises in the Mediterranean and Black Seas. ACCOBAMS Status Report, 2010, ACCOBAMS, Monaco, 212 pp.

Ozturk, A. A., Dede, A. Tonay, A.M., Ozturk, B. (2009) Cetacean surveys in the Istanbul (Bosphorus) Strait in 2007-2008. In: Abstracts of 23rd Annual Conf. European Cetacean Society, Istanbul, Turkey.

Rosel, P. E., Frantzis, A., Lockyer, C., Komnenou, A. (2003) Source of Aegean Sea harbour porpoises. Mar. Ecol. Prog. Ser. 247: 257-261.

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/Mediterr. Environ. 18:83-89.

Tonay, A. M., Dede, A., Ozturk, A. A., Ozturk, B. (2009) Cetacean strandings in the Turkish Straits System (TSS) and the Northern Aegean Sea coast of Turkey during 1999-2008. In: Proc. 23rd Annual Conf. European Cetacean Society, Istanbul, Turkey.

Viaud-Martinez, K. A., Milmer, M. V., Goldin, E. P., Ridoux, V., Ozturk, A. A., Ozturk, B., Rosel, P. E., Frantzis, A., Komnenou, A., Bohonak, A. J. (2007) Morphological and genetic differentiation of the Black sea harbour porpoise Phocoena phocoena. Marine Ecology Progress Series 338: 281-294.

FIRST RECORD OF FIN WHALE (BALAENOPTERA PHYSALUSLINNAEUS, 1758) IN KOTOR BAY (SOUTH ADRIATIC SEA)

First record of fin whale (Balaenoptera physalus Linnaeus, 1758) in Kotor Bay (South Adriatic Sea)

Aleksandar Joksimović, Milica Mandić, Mirko Ðurović

Institute of Marine Biology, Laboratory for Developmental Research and Mariculture, Dobrota bb, 85330 Kotor, MONTENEGRO

Abstract

A single individual of fin whale, Balaenoptera physalus (Linnaeus, 1758) was recorded on 17 December 2011 in Kotor Bay (southeastern Adriatic Sea). The depth was between 5 and 7 meters. The specimen was about 10 meters long and this paper reports the first occurrence of the fin whale in very shallow waters in the most inner part of Boka Kotorska Bay.

Keywords: Cetacean, fin whale, Kotor Bay, South Adriatic Sea

References

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Notarbartolo di Sciara, G. (1994) La cetofauna del Bacino corso-liguroprovenzale: rassegna delle attuali conoscenze. Biologia Marina Mediterranea 1: 95-98.

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Notarbartolo di Sciara, G., Zanardelli, M., Jahoda, M., Panigada, S., Airoldi, S. (2003). The fin whale Balaenoptera physalus (L. 1758) in the Mediterranean Sea. Mammal Rev. 33 (2): 105-150.

Politi, E., Bearzi, M., Notarbartolo di Sciara, G., Cussino, E., Gnone, G. (1992). Distribution and frequency of cetaceans in the waters adjacent to the Greek Ionian Islands. European Research on Cetaceans 6: 75-78.

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Sergeant, D. E. (1977) Stocks of fin whales Balaenoptera physalus L. in the North Atlantic Ocean. Rep. int. Whal. Commn. 27: 460-473.

Stanzani, L. A., Bonomi, L., Bortolotto, A. (1997) ‘Onde dal Mare’: an update on the Italian network for cetacean and turtle sightings. European Research on Cetaceans 11: 87-89.

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FIRST STRANDING RECORD OF A RISSO’S DOLPHIN (GRAMPUS GRISEUS) IN THE MARMARA SEA, TURKEY

First stranding record of a Risso’s Dolphin (Grampus griseus) in the Marmara Sea, Turkey

Ayhan Dede, Arda M. Tonay, Hakkı Bayar, Ayaka A. Öztürk

Faculty of Fisheries, Istanbul University, Ordu St., No. 200, 34470, Laleli, Istanbul, TURKEY
Turkish Marine Research Foundation (TUDAV), P.O. Box: 10, Beykoz, Istanbul, TURKEY
Marine Biology Programme, Institute of Sciences, Istanbul University, Vezneciler, Istanbul, TURKEY

Abstract

A stranding of a Risso’s dolphin (Grampus griseus) was reported for the first time in the Marmara Sea, Turkey. A piece of rope tied around its tail fluke can be the evidence of bycatch. The occurrence of the Risso’s dolphin, dead or alive, was never reported before in the Marmara Sea.

Keywords: Risso’s dolphin, Grampus griseus, Turkish Straits System, the Marmara Sea

References

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Bearzi, G., Reeves, R. R., Remonato, E., Pierantonio, N., Airoldi, S. (2011) Risso’s dolphin Grampus griseus in the Mediterranean Sea. Mammailan Biology 76: 385-400.

Dede, A., Öztürk, A. A., Akamatsu, T., Tonay, A. M., Öztürk, B. (2011) Longterm passive acoustic monitoring of cetaceans in the Istanbul Strait. Abstract book of 25th Annual Conf. European Cetacean Society, Cadiz, Spain, 75 pp.

Dede, A., Öztürk, A. A., Akamatsu, T., Tonay, A., Öztürk, B. (2013) Long-term passive acoustic monitoring revealed seasonal and diurnal presence patterns of cetaceans in the Istanbul Strait. JMBA Special Issue (in press)

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A STUDY ON THE GROWTH OF HORSE MACKEREL (TRACHURUS MEDITERRANEUS ALEEV, 1956) FROM BULGARIAN WATERS OF THE BLACK SEA USING LENGTH FREQUENCY ANALYSIS

A study on the growth of horse mackerel (Trachurus mediterraneus Aleev, 1956) from Bulgarian waters of the Black Sea using length frequency analysis

Maria Yankova

Institute of Oceanology, Bulgarian Academy of Sciences, Department of Marine Ecology and Biology, 40 First of May Street, Po. B. 152, 9000 Varna, BULGARIA

Abstract

Length frequency data of horse mackerel Trachurus mediterraneus ponticus were collected from commercial net catch from Bulgarian Black Sea waters. Sampling covered the fishing season from May to December in 2012. FISAT II software program was used to analyze its length frequency distribution. The corresponding values of asymptotic length L_∞using ELEFAN I ranged from 18.11 and 19.26 cm, K values were 0.51 year^-1and 0.44 year^-1 , for males and females, respectively. L_∞ estimated by Bhattacharya and Ford-Walford method ranged from 18.90 and 19.11 cm for males and females, respectively. Meanwhile,L_∞ by Wetherall and Bertalanffy method shows 18.24 and 18.78 cm for males and females, respectively. The instantaneous rate of total mortality (Z), natural mortality (M) and fishing mortality (F) were estimated and accordingly the exploitation ratio was determined. The Z estimated by length cohort analysis ranged from 1.42 for females and 1.62 for males. The Beverton relative yield per recruit model analysis showed that EMSY, the maximum (Y’/R), was obtained at nearly the same value for females =(0.37) and males (0.38).

Keywords: Population parameters, mortality, exploitation rate, horse mackerel, Black Sea

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GROWTH AND REPRODUCTION OF THE GREATER WEEVER (TRACHINUS DRACO L., 1758) ALONG THE EASTERN COAST OF THE BLACK SEA

Growth and reproduction of the greater weever (Trachinus draco L., 1758) along the eastern coast of the Black Sea

Orhan Ak, Yasar Genç

Central Fisheries Research Institute, Vali Adil Yazar St. No: 4, 61250, Kasüstü, Yomra, Trabzon, TURKEY

Abstract

A total of 636 specimens of the greater weever, Trachinus draco, was collected monthly by bottom trawlers in the Eastern Black Sea. In order to identify some biological features of this species in the Black Sea, reproductive characteristics and growth parameters such as sex ratio, maturity stage, length at first maturity, spawning time, reproduction period, age, length-weight relationship, and condition factor were recorded. The female:male ratio was 1:1.04 (x² : 0.27, x² _0.05,1=3.84; P>0.05). Mean condition factors of females and males were 0.99055 and 0.95625, respectively. Taking into consideration of gonadosomatic index (GSI) and egg diameter, reproduction occurred in July and August. The age at first maturity was 1⁺year and the first reproduction length was 12.01 cm for females. The average diameter of mature egg was 0.91 ± 0.265 mm. Growth parameters of the von Bertalanffy equation were for females and males as follows: L∞ = 32.62 cm, K = 0.18 y^-1, to = −1.74 year, and W∞ = 232.54 g, and L∞ = 29.31 cm, K = 0.17 y^-1, to = −2.28 year, and W∞ = 232.54 g, respectively. The growth performance index (Ф) was 2.29, 2.17 and 2.36 for females, males and all specimens, respectively. The maximum age was 6 years for females and 5 years for males.

Keywords: Greater weever, Trachinus draco, first maturity length, growth parameters, gonadosomatic index, Black Sea

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ASSESSMENT OF HEAVY METAL (ZN, PB, FE) CONTAMINATION IN SURFACE SEDIMENTS OF CREEKS FLOWING TO INNER PART OF IZMIR BAY (EASTERN AEGEAN SEA)

Assessment of heavy metal (Zn, Pb, Fe) contamination in surface sediments of creeks flowing to inner part of Izmir Bay (Eastern Aegean Sea)

Serkan Kükrer

Faculty of Social Sciences and Humanities, Ardahan University, Ardahan, TURKEY

Abstract

The objective of this study is to evaluate the new environmental situation following the waste water treatment facility built in 2000 by determining Zn, Pb and Fe concentrations of samples obtained in 2007-2008 from surface sediments of seven creeks flowing into Izmir Bay. Zn concentrations ranged between 5.25-928.76 mg/kg, Pb between ND-265.92 mg/kg and Fe between 22700-141770 mg/kg. Enrichment factor (EF) values show that Zn and Pb mainly originated from anthropogenic sources. While average contamination factor (CF) values displayed a change from moderate contamination to considerable contamination for Zn, contamination level varied between considerable and high in terms of Pb. As Fe is an element originating from the natural structure of the earth, low-moderate contamination levels were detected in the sediments. Although the waste water treatment facility of the municipality started to operate partially in 2000 and in full capacity in 2002, the result of this study revealed the outstanding fact that high amounts of heavy metals were still found in the creeks which should have only included rain water in 2007-2008 when this study was conducted.

Keywords: Izmir Bay, heavy metals, enrichment factor, contamination factor, sediment

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