Yazar "Dalgıç, Göktuğ" için listeleme
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Assessment of metal concentrations (Cu, Zn, and Pb) in seawater, sediment and biota samples in the coastal area of Eastern Black Sea, Turkey
Baltaş, Hasan; Şirin, Murat; Dalgıç, Göktuğ; Bayrak, Esra Yılmaz; Akdeniz, Aysel (Pergamon-Elsevier Science Ltd, 2017)This study investigated the contents of Cu, Zn and Pb in seawater, sediment, different shell sizes of mussel (Mytilus galloprovinciaIis) and sea snail (Rapana venosa) samples collected from four different provinces of the ... -
Assessment of metal element concentrations in mussel (M. Galloprovincialis) in Eastern Black Sea, Turkey
Çevik, U.; Damla, N.; Kobya, A.I.; Bulut, V.N.; Duran, C.; Dalgıç, Göktuğ; Bozacı, R. (Elsevier, 2008)The main goal of this work is to determine the effects of pollution of copper, lead and zinc mines on the Eastern Black Sea. Metal and heavy metal concentrations in the Eastern Black Sea mussels were measured using Energy ... -
The atlantic starfish, Asterias rubens Linnaeus, 1758 (Echinodermata: Asteroidea: Asteriidae) spreads in the Black sea
Dalgıç, Göktuğ; Ceylan, Yusuf; Şahin, Cemalettin (Regional Euro-Asian Biological Invasions Centre, 2009)A single specimen of Asterias rubens was collected on 17 February 2009 off Karasu, Sakarya, Turkey. Its possible impact on Mytilus galloprovincialis beds in the Black Sea is discussed. © 2009 The Author(s). -
Bycatch in the commercial beam trawl fishery for Rapa Whelk in the Black Sea
Eryaşar, Ahmet Raif; Ceylan, Yusuf; Dalgıç, Göktuğ; Yeşilçiçek, Tuncay (Natl Centre Marine Research, 2018)The current study was aimed to investigate the bycatch in commercial beam trawls used in the rapa whelk (Rapana venosa) fishery during September 1, 2015, and April 30, 2016. Four commercial boats using beam trawls were ... -
Determination of radiological hazard parameters in sea snails (Rapana venosa) in the East Black Sea Coast of Turkey
Dalgıç, Göktuğ; Kırış, Erkan; Baltaş, Hasan; Şirin, Murat (Pergamon-Elsevier Science Ltd, 2018)The aim of this study was to determine the activity concentrations and radiological hazard parameters of Cs-137 and K-40 in soft tissue samples of sea snails (Rapana venosa) collected from 12 different stations in the East ... -
Determination of some biological characteristics and population parameters of the blotched picarel (Spicara flexuosa Rafinesque, 1810) distributed in the Eastern Black Sea (Rize - Hopa)
This study was carried out in order to determine some biological characteristics of the fish species of Spicara flexuosa, which is distributed on the Eastern Black Sea coast, and to contribute to the management of the ... -
Distribution of Cs-137 in the mediterranean mussel (Mytilus galloprovincialis) in Eastern Black Sea Coast of Turkey
Baltaş, Hasan; Kiriş, Erkan; Dalgıç, Göktuğ; Çevik, Uğur (Pergamon-Elsevier Science Ltd, 2016)This study presents the results of Cs-137 and K-40 radionuclide concentrations in mussel (Mytilus galloprovincialis) samples collected during the period of February-November 2014 from twelve different stations within the ... -
Effect of a fishing closure on Chamelea gallina stocks along the Turkish coast
Dağtekin, Murat; Dalgıç, Göktuğ; Erbay, Murat; Akpınar, İlkay Özcan; Aydın, Mehmet; Özdemir, Süleyman; Karayücel, Sedat; Özyurt, Caner Enver (Cambridge University Press, 2023)The striped venus clam Chamelea gallina (SVE), plays an important role as an infaunal filter-feeder in the ecosystem, besides an important economic role in the Black Sea coasts of Turkey. It is caught using hydraulic dredge ... -
The effect of fishing on growth of the clam Chamelea gallina (Bivalvia: Veneridae) from the Turkish Black Sea coast
Dalgıç, Göktuğ; Okumuş, İbrahim; Karaycel, Sedat (Cambridge University Press, 2010)Age and growth of the clam Chamelea gallina from dredged, non-dredged and closed areas of the Turkish Black Sea coast were estimated. Von Bertalanffy growth curves were fitted for each sampling site; asymptotic length (L?) ... -
Experimental study on copper uptake capacity in the Mediterranean mussel (Mytilus galloprovincialis)
Baltaş, Hasan; Dalgıç, Göktuğ; Bayrak, Esra Yılmaz; Şirin, Murat; Çevik, Uğur; Apaydın, Gökhan (Springer Heidelberg, 2016)To investigate the effect of different sizes, sex, and exposure time on Cu uptake capacity, mussels Mytilus galloprovincialis of different shell sizes were exposed to different Cu concentrations in different aquariums. in ... -
First record of brown comber Serranus hepatus (Linnaeus, 1758) for the Black Sea
Dalgıç, Göktuğ; Gümüş, Aysun; Zengin, Mustafa (2013)One female specimen of Serranus hepatus (Linnaeus, 1758) (Perciformes, Serranidae) was captured off the Black Sea coast of Turkey by bottom trawl at a depth of 80–90 m on 23 March 2012. This is the first record of this ... -
First record of Chromogobius zebratus (Gobiidae) for the mediterranean coast of Turkey
Engin, Semih; Dalgıç, Göktuğ (TUBİTAK, 2008)The Kolombatovic's goby Chromogobius zebratus, was caught for the first time from the Turkish coast of the Mediterranean Sea. The lateral-line system and morphometric features of this species were examined. © Tübitak. -
The impact of the marine sewage outfalls on the sediment quality: The Black Sea and the Marmara case
Akdemir, Tolga; Dalgıç, Göktuğ (Elsevier B.V., 2021)Marine sewage outfalls are the cheapest method of disposal for municipalities with restricted funds, despite their negative effects on marine ecosystems. This study was conducted on the marine sewage outfalls of the Turkish ... -
Length-weight relationships for fourteen fish species collected by bottom trawl from the Eastern Black Sea coast, Turkey
Onay, Hatice; Dalgıç, Göktuğ (2021)Length-weight relationships (LWR) were described for fourteen demersal and pelagic fish species; whiting (Merlangius merlangus), red mullet (Mullus barbatus), picarel (Spicara maena), scorpion fish (Scorpaena porcus), ... -
An overview of the ecological half-life of the Cs-137 radioisotope and a determination of radioactivity levels in sediment samples after Chernobyl in the Eastern Black Sea, Turkey
Baltaş, Hasan; Şirin, Murat; Dalgıç, Göktuğ; Çevik, Uğur (Elsevier Science Bv, 2018)A study which determined the activity concentration of Cs-137 in sediments contaminated by effluents from the Chernobyl accident which had collected along the coast of the Eastern Black Sea region in Turkey was carried out ... -
Population abundance and growth parameters of an exotic bivalve species, Anadara kagoshimensis, in the Southwestern Black Sea
Dağtekin, Murat; Dalgıç, Göktuğ; Erbay, Murat; Akpınar, İlkay Özcan; Aydın, Mehmet; Özdemir, Süleyman; Cebeci, Ayşe; Karayücel, Sedat (Scientific Technical Research Council Turkey, TÜBİTAK, 2023)Blood cockle (Anadara kagoshimensis ) is an Indo-Pacific species that later entered the Black Sea. The abundance of A. kagoshimensis, which is not subjected to commercial fishing, is important in terms of food competition ... -
Population structure, age and growth of Sardine, Sardina pilchardus (Walbaum, 1792) in the Black Sea
Dalgıç, Göktuğ; Ceylan, Yusuf (Medwell Online, 2012)Population structure, age and growth of sardine from the Eastern Black sea coasts of Turkey were examined. A total of 684 Sardina pilchardus (Walbaum, 1792) were sampled between September 2009 and April 2010 from commercial ... -
Reproduction cycle of striped venus Chamelea gallina from the Black Sea coast of Turkey
The gametogenetic cycle of striped venus Chamelea gallina of southern Black Sea population was studied using standard histological technique and a condition index. There was a synchronism between sexes in terms of gametogenetic ... -
Seasonal changes in the food spectrum and day-time rhythm of feeding in red mullet mullus barbatus (Linnaeus, 1758) in the southeast Black Sea
Onay, Hatice; Dalgıç, Göktuğ (Parlar Scientific Publications (P S P), 2019)The diet of the red mullet Mullus barbatus was studied in the southeast Black Sea region of Turkey during the autumn, winter, summer and spring. in one year, the stomach contents of 760 individuals of M. barbatus, a confirmed ... -
Seasonal discards and by-catch of striped venus clam (Chamelea gallina) (Mollusca, Bivalves) fishery in the black sea
Dalgıç, Göktuğ; Ceylan, Yusuf (2012)Karadeniz’in Türkiye kıyılarında beyaz kum midyesi, Chamelea gallina, avcılığı yapan hidrolik direç donanımlı teknelerin mevsimsel ıskarta ve hedef dışı av miktarları tespit edilmiştir. Bu çalışmada kullanılan veriler ...