Browsing by Author "Onay, Hatice"
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Biological parameters of grey wrasse Symphodus cinereus (Bonnaterre, 1788) (Pisces: Labridae) along the coasts of Rize in the south-eastern Black Sea
Onay, Hatice (Cambridge University Press, 2023)The present study was designed to investigate the age distribution and growth properties of Symphodus cinereus in the south-eastern Black Sea. Data on the growth and age of S. cinereus were obtained by investigating sagittal ... -
Decade of microplastic alteration in the southeastern black sea: An example of seahorse gastrointestinal tracts
Onay, Hatice; Minaz, Mert; Ak, Kübra; Er, Akif; Emanet, Muhammet; Karslı, Barış; Bilgin, Sabri (Elsevier, 2022)Unconscious and excessive use of plastic supports the diversity and abundance of microplastics (MPs) in marine environments. As a result of MP exposure, organisms in the marine environment are faced with adverse scenarios up ... -
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 ... -
First approximation of the growth and the spawning period of symphodus ocellatus (Linnaeus, 1758) (pisces: Labridae) in the southeastern black sea
Onay, Hatice (Universidad Autonoma de Baja California, 2023)The aim of this study was to provide a first approximation of the growth, reproduction, and length–weight relationships of Symphodus ocellatus in the southeastern Black Sea, Turkey. A total of 320 specimens (273 males, 47 ... -
Güney Doğu Karadeniz’de beam trol ile avlanan Liocarcinus depurator (Crustacea: Decapoda)’ün boya dayalı büyümesi
Onay, Hatice; Bilgin, Sabri (2022)Bu çalışma Aralık 2012- Kasım 2013 ayları arasında Güney Doğu Karadeniz’de kirişli trol (beam trol) ile avlanan Liocarcinus depurator (Crustacea, Decapoda, Brachyura) türünün büyüme özelliklerini belirlemek amacıyla ... -
Güney Doğu Karadeniz’den avlanan Liocarcinus depurator (Crustacea: Decapod: Brachyura)’ün üreme biyolojisi
Onay, Hatice; Bilgin, Sabri (2021)Bu çalışma Aralık 2012- Kasım 2013 ayları arasında Güney Doğu Karadeniz’de beam trol ile avlanan Liocarcinus depurator (Crustacea: Decapod: Brachyura)’ün üreme özelliklerini belirlemek amacıyla yürütülmüştür. İyidere, ... -
Karadeniz’de karaya vuran ve kazara yakalanan yunuslar (cetacea) hakkında: ölüm nedenleri, beslenme özellikleri ve gebelik durumu
Bu çalışma, Kalkan dip uzatma solungaç ağlarıyla yapılan avcılıkta Karadeniz’de yaşayan iki yunus türünün (Mutur, Phocoena phocoena ve Tırtak, Delphinus delphis) karaya vuran miktarı ve ölüm nedenleri ile bazı üreme ve ... -
Length-weight relations and condition factors of several endemic and native fish species from Anatolian freshwater
Onay, Hatice; Kurtul, Irmak; Kaya, Cüneyt; Turan, Davut; Bayçelebi, Esra (SciendoSciendo, 2024)This study analyzed the length-weight relations and condition factors of 13 species belonging to three highly endemic genera: Oxynoemacheilus (6), Seminemacheilus (2) and Cobitis (5). Fish were sampled in several streams ... -
Length-weight relationships and condition factors of several endemic and native species of the genera Alburnoides, Alburnus and Squalius
Kurtul, Irmak; Kaya, Cüneyt; Onay, Hatice; Bayçelebi, Esra; Turan, Davut (Walter de Gruyter, 2024)The present study examined for the first time both length-to-weight relationships and condition factors of ten species belonging to three endemically rich genera: Alburnoides (n(specimens) = 361), Alburnus (n(specimens )= ... -
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), ... -
Length-weight relationships of four Symphodus species (Actinopterygii: Perciformes: Labridae) from Eastern Black Sea (Turkey)
Onay, Hatice (2021)This study provides the length-weight relationships of four fish species that belong to the Labridae family from the Rize coast in the south-eastern Black Sea, Turkey; (Symphodus ocellatus (Linnaeus, 1758), Symphodus ... -
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 monitoring of microplastic pollution in the Southeast Black Sea: An example of red mullet (Mullus barbatus) gastrointestinal tracts
Onay, Hatice; Karslı, Barış; Minaz, Mert; Dalgıç, Göktuğ (Elsevier, 2023)This study investigated seasonal presence of microplastic (MP) in gastrointestinal tracts of red mullet (Mullus barbatus) sampled from the Southeast Black Sea Region. A total of 335 MPs were detected in 120 individuals. ... -
Spatial and temporal distribution of Liocarcinus depurator (Crustacea: Decapod) caught by beam trawl in the southeastern Black Sea
Onay, Hatice; Bilgin, Sabri (2021)This study was carried out to determine the temporal and spatial distribution of Liocarcinus depurator (Crustacea: Decapod) caught by beam trawl in the southeast Black Sea between December 2012 and November 2013. Sampling ... -
Spawning period and size at maturity of scaldback, arnoglossus kessleri schmidt, 1915 (pleuronectiformes: bothidae), caught by beam trawl in The Black Sea, Turkey
Bilgin, Sabri; Onay, Hatice (İstanbul University Press, 2020)The scaldback, Arnoglossus kessleri, is a small fish that belongs to the Bothidae family. This species is a demersal fish inhabiting sandy and muddy bottoms where it lives, generally buried in the sand. Even in Turkey, the ... -
Valorization of bio-calcium carbonate based Chamelea gallina shell waste fillers in shape memory polymer composites
Pekdemir, Sibel Selçuk; Onay, Hatice; Öner, Ecem Özen; Pekdemir, Mustafa Ersin; Kök, Mediha; Ateş, Burhan; Aydoğdu, Yıldırım; Dalgıç, Göktuğ (Wiley, 2024)In recent years, the focus has been on the use of calcium carbonate-based seashell wastes in the production of new thermoplastic and thermoset polymer materials, paving the way for their use as biofillers in polymeric ...
