Kurum Yazarı "Ceylan, Yusuf" WoS İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Are cloth tarpaulin mounted nets effective for discard reduction in trammel nets?
Eryaşar, Ahmet Raif; Ceylan, Yusuf; Özbilgin, Hüseyin; Bozaoğlu, Adem Sezai (Central Fisheries Research Institute, 2021)Discarding is a significant problem due to net damage and labour loss in trammel net fisheries. In this study, the effects of 15, 25, and 35 cm high cloth tarpaulin rigged between the lead line and the net were investigated ... -
Bottom trawl fishery discards on the Black Sea coast of Turkey
Ceylan, Yusuf; Şahin, Cemalettin; Kalaycı, Ferhat (Natl Centre Marine Research, 2014)The purpose of this study is to determine the amount of bycatch and discards of fish caught by bottom trawlers operating along the Black Sea coasts of Turkey and discards changes depending on the depth. the study was ... -
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 ... -
The first evidence of microplastics occurrence in Greater Pipefish (Syngnathus acus Linnaetabus, 1758) in the Black Sea
Şentürk, Yasemen; Emanet, Muhammet; Ceylan, Yusuf; Aytan, Ülgen (Central Fisheries Research Inst, 2023)Microplastics (MPs) occurrence in greater pipefish Syngnathus acus was assessed in the Black Sea for the first time. MPs were found in 21 % of total pipefish examined. MPs were mainly fibres in shape (89 %), black in colour ... -
First records of anomalously white harbour porpoises (Phocoena phocoena) in the Turkish seas with a global review
Tonay, Arda M.; Bilgin, Sabri; Dede, Ayhan; Akkaya, Aylin; Yeşilçiçek, Tuncay; Köse, Özay; Ceylan, Yusuf (Assoc Teriologica Italiana, 2012)Three anomalously white harbour porpoises (Phocoena phocoena) were reported in Turkish Seas. One of them was bycaught on 19 June 2011 in bottom gill nets off the eastern coast of the Turkish Black Sea. the second one was ... -
Life-history traits of the black scorpionfish (Scorpaena porcus) in southeastern Black Sea
Şahin, Cemalettin; Erbay, Murat; Kalaycı, Ferhat; Ceylan, Yusuf; Yeşilçiçek, Tuncay (Central Fisheries Research Inst, 2019)Scorpaena porcus is one of the most important members of rock and reef community in the Black Sea. the present study aimed to investigate the bio-ecological properties of 5. porcus in the Eastern Black Sea. the growth, ... -
Monthly microplastics change in European anchovy's (Engraulis encrasicolus) gastrointestinal tract in the Black Sea
Gedik, Kenan; Eryaşar, Ahmet Raif; Emanet, Muhammet; Şahin, Cemalettin; Ceylan, Yusuf (Elsevier, 2023)To contribute to a better understanding of the regional dynamics of MP pollution and its potential effects on the anchovy population and human health, here we assessed the presence and characterization of microplastics ... -
Plastic occurrence in commercial fish species of the Black Sea
Aytan, Ülgen; Esensoy, Fatma Başak; Şentürk, Yasemen; Arifoğlu, Esra; Karaoğlu, Kaan; Ceylan, Yusuf; Valente, Andre (Central Fisheries Research, 2022)The occurrence of micro- ( 5 mm), meso- (5-25 mm) and macroplastics ( 25mm) was investigated in seven commercial fish species of the Black Sea. Plastics were found in gastrointestinal track of all species analysed: Engraulis ... -
Potential habitats of an alien species (Asterias rubens Linnaeus, 1758) in the Black Sea: its current and future distribution patterns
Ceylan, Yusuf; Gül, Serkan (Springer Heidelberg, 2022)The Atlantic common starfish, Asterias rubens, has arrived firstly at the Marmara Sea in 1996 and to the Black Sea in 2007. In this study, we have exhibited the possible potential distribution of Asterias rubens throughout ... -
Purse seine fishery discards on the Black Sea Coasts of Turkey
Şahin, Cemalettin; Ceylan, Yusuf; Kalaycı, Ferhat (Central Fisheries Research, 2015)Çalışmanın amacı, Türkiye’nin Karadeniz kıyısal sularında gırgır avcılığının bycatch ve ıskarta miktarlarını ve kıyısal ekosisteme olan etkilerini belirlemektir. Çalışma Eylül 2009-Nisan 2010 tarihleri arasında av sezonu ... -
Selectivity of different alternative Cod ends and radial square mesh escape panels (RSEP)
Ceylan, Yusuf; Şahin, Cemalettin (Central Fisheries Research Inst, 2019)Bottom trawl fishery is carried out intensively throughout the season in the Black sea. For this reason, the selectivity effects of five codend with different mesh size, shapes and escape panels (commercial (40D), 50 mm ...