Yazar "Şahin, Cemalettin" için listeleme
-
Abundance and distribution of eggs and larvae of anchovy (Engraulis encrasicolus, Linnaeus, 1758) and horse mackerel (Trachurus mediterraneus, Steindachner, 1868) on the coasts of the eastern Black Sea
Sampling for this survey was performed in 5 stations located in the bays of Sürmene and Rize in the eastern Black Sea between April and October 2006. During the sampling, the quantities and distributions of eggs and larvae ... -
An acoustic survey in the southeastern Black Sea in the assessment of trachurus mediterraneus (Steindachner, 1868) distribution
Erbay, Murat; Şahin, Cemalettin (Springer, 2022)Horse mackerel (Trachurus mediterraneus, Steindachner, 1868) is an important commercial fish distributed along the coast of Turkey. Although, the variety of catching amount of the species fluctuate by years, it is obvious ... -
Age, growth and fecundity of the turkish brook lamprey, eudontomyzon lanceolata (kux & steiner, 1972), in north-eastern turkey: (Petromyzontiformes: Petromyzontidae)
Gözler, Ahmet Mutlu; Engin, Semih; Turan, Davut; Şahin, Cemalettin (Taylor & Francis, 2011)The age, growth and fecundity of the Turkish Brook Lamprey, Eudontomyzon lanceolata (Kux & Steiner, 1972), was studied at İyidere stream in the Black Sea region of Turkey. The total length values varied between 2.0 and ... -
Age, growth, gonadosomatic index, and diet composition of crımean barbel, barbus tauricus (actinopterygii: cypriniformes: cyprinidae), in a small stream in ne Turkey
Mazlum, Rahşan Evren; Şahin, Cemalettin (Wydawnictwo Akad Rolniczej W Szczecinie, 2017)Background. Crimean barbel, Barbus tauricus Kessler, 1877, is a riverine cyprinid fish commonly found in well-oxygenated streams with gravel bottom in the Black and Azov Sea basins. Its population has plummeted in the ... -
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). -
The Benthic exotic species of the Black Sea: Blood cockle (Anadara inaequivalvis, Bruguiere, 1789: Bivalve) and Rapa whelk (Rapana thomasiana, Crosse, 1861: Mollusc)
Şahin, Cemalettin; Emiral, Hacer; Okumuş, İbrahim; Gözler, A.Mutlu; Kalaycı, Ferhat; Hacımurtezaoğlu, Necati (2009)The Black Sea is in transition from a freshwater to a marine environment and has a very low biodiversity. Therefore, it appears to be particularly vulnerable and easy target for many exotic species. Anthropogenic introductions ... -
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 ... -
Capoeta mauricii n. sp., a new species of cyprinid fish from lake beyşehir, turkey: (Osteichthyes: Cyprinidae)
Küçük, Fahrettin; Turan, Davut; Şahin, Cemalettin; Gülle, İskender (Taylor & Francis, 2009)Capoeta mauricii n. sp. is described from the Lake Beyşehir drainage, in Central Anatolia, Turkey. It is distinguished from other Anatolian Capoeta by having the lips somewhat fleshy and lower lip with developed lateral ... -
Comparison of biological characteristics of the horse mackerel (Trachurus trachurus L. 1758) which caught of different fishing gears in the southern Black Sea (Turkey)
Total of 6035 horse mackerel, Trachurus trachurus L. 1758, found in the Black Sea, caught by various types of fishing gear, as purse seines, bottom trawls, gillnets, mid-water trawls and fishing lines had been examined ... -
The dam effects on the distributions of fish assemblages and water quality on the river Yesilirmak (Turkey) using principle component analysis
Verep, Bülent; Akın, Şenol; Şahin, Cemalettin (Parlar Scientific Publications (P S P), 2019)There are multiple effects of human induced like dams on river ecosystems. Transforming the river into a lake, dams interrupt the continuity of river flow to downstream, affecting the water quality as well as biodiversity ... -
Doğu Karadeniz’de İstavrit (Trachurus mediterraneus Steindachner, 1868) balığının yaş, büyüme parametreleri ve ilk eşeysel olgunluk boyunun belirlenmesi
Şahin, Cemalettin; Ceylan, Yusuf (2023)Doğu Karadeniz’deki istavrit (Trachurus mediterraneus) populasyonunun bazı temel parametrelerinin belirlenmesi amaçlanan bu çalışma, Eylül 2019-Ağustos 2020 tarihleri arasında yürütülmüştür. 12 aylık örnekleme sonucunda ... -
Doğu Karadeniz’de Mezgit (Merlangius merlangus, Nordmann, 1840) balığının yaş, büyüme ve ilk eşeysel olgunluk boyunun belirlenmesi
Çalışmada, Doğu Karadeniz’deki Mezgit (Merlangius merlangus) popülasyonunun bazı temel parametrelerinin belirlenmesi amaçlanmıştır. Mart 2017- Şubat 2018 tarihleri arasında yapılan 12 aylık örneklemede elde edilen ve ... -
Effects of preservation methods on the 13c and 15n signatures in muscle tissues of two freshwater fish species
Akın, Şenol; Şahin, Cemalettin; Turan, Davut; Gözler, Ahmet Mutlu; Verep, Bülent; Bozkurt, Ahmet; Çelik, Kemal; Çetin, Evren; Aracı, Ayşe (2011)Stable isotope is a powerful method for characterizing flows of energy through ecosystems. The power of this method, however, may be affected by preservation methods of the samples. We investigated the effects of four ... -
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 ... -
Population characteristics and stock assessment of European anchovy (Engraulis encrasicolus L., 1758) in coastal waters of the south-eastern Black Sea of Turkey
Çiloğlu, Erhan; Şahin, Cemalettin (Cambridge University Press, 2022)This study was carried out throughout 10 fishing seasons between 2002 and 2018 to monitor the population and stock variations of Engraulis encrasicolus (L., 1758) on the south-eastern Black Sea coast of Turkey. Asymptotic ... -
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 ... -
Spatial and temporal distribution of nereidae (Polychaeta: Annelida) along the coast of the Turkish Eastern Black Sea in the upper-infralittoral zone
Gözler, Ahmet Mutlu; Ağırbaş, Ertuğrul; Şahin, Cemalettin (Medwell Publishing, 2009)A total of 99 benthic samples from four stations between Rize and Trabzon (on the Eastern Black Sea) were collected and analyzed according to their qualitative and quantitative aspects. Three genera and 6 species were ... -
The stock parameter of anchovy (Engraulis encrasicolus) population on the coasts of the eastern black sea: Reason and implications in declining of anchovy population during the 2004-2005 and 2005-2006 fishing seasons
Şahin, Cemalettin; Akın, Şenol; Hacımurtazaoğlu, Necati; Mutlu, Cengiz; Verep, Bülent (0-Belirlenecek, 2008)Some basic characteristics of anchovy (Engraulis encrasicolus) population in the Eastern Black Sea coasts were estimated in order to explain the differences seen in the catch of anchovy during the fishing seasons of 2004-2005 ...
