Yazar "Aksu, İsmail" için listeleme
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Alburnoides coskuncelebii, a new species from the stream Buyuk Melen in north western Anatolia (Teleostei: Leuciscidae)
Turan, Davut; Kaya, Cüneyt; Aksu, İsmail; Bayçelebi, Esra; Bektaş, Yusuf (Verlag Dr Friedrich Pfeil, 2020)Alburnoides coskuncelebii, new species, is described from the Buyuk Melen River in the Southern Black Sea basin. It is distinguished from other species of Alburnoides in the Southern Black Sea basin by having the ventral ... -
Contribution to the trout of Euphrates River, with description of a new species, and range extension of Salmo munzuricus (Salmoniformes, Salmonidae)
Turan, Davut; Aksu, İsmail; Oral, Münevver; Kaya, Cüneyt; Bayçelebi, Esra (Pensoft Publishers, 2021)In an effort to reveal the Euphrates trout taxonomy, the Karasu River, which is one of the eastern drainages of the river, was investi-gated and three independent populations were identified. Result revealed that two ... -
Coupling molecular and risk analysis to investigate the origin, distribution and potential impact of non-native species: an application to ruffe Gymnocephalus cernua in Turkey
Tarkan, Ali Serhan; Emiroğlu, Özgür; Aksu, Şadi; Başkurt, Sercan; Aksu, İsmail; Vilizzi, Lorenzo; Yoğurtçuoğlu, Baran (Taylor & Francis Ltd., 2022)Increased detrimental impacts of biological invasions have triggered the development of risk screening tools to streamline the identification of the invasive potential of organisms. These tools assess the biological and ... -
Description of a new species of Phoxinus from the Ergene River (Aegean Sea Basin) in Türkiye (Actinopterygii, Leuciscidae)
Bayçelebi, Esra; Aksu, İsmail; Turan, Davut (Pensoft Publishers, 2024)Phoxinus radeki, a new species, is described from the Ergene River (Aegean Sea Basin). It is distinguished from Phoxinus species in Türkiye and the adjacent area by having the scales of the breast, scaled but separated ... -
Description of Gobio fahrettini, a new gudgeon from Lake Ilgin basin, Central Anatolia (Teleostei: Gobionidae)
Turan, Davut; Kaya, Cüneyt; Bayçelebi, Esra; Aksu, İsmail; Bektaş, Yusuf (Verlag Dr Friedrich Pfeil, 2018)Gobio fahrettini, a new species, from the Lake Ilgin basin, is distinguished from other Gobio species in Anatolia by a combination of characters: breast covered by scales, scales extending slightly behind to isthmus; 39-42 ... -
Description of two new species of the genus Gobio (Teleostei: Cyprinidae) from the Black Sea coast of Turkey
Turan, Davut; Japoshvili, Bella; Aksu, İsmail; Bektaş, Yusuf (Taylor & Francis Ltd, 2016)The systematics of the genus Gobio, especially of the populations on the southern Black Sea coast, seems to be still far from being resolved. Seven species were recorded from the northern Black Sea coast while three species ... -
DNA barcoding and species delimitation of the genus Oxynoemacheilus (Teleostei: Nemacheilidae) in Anatolia
Bektaş, Yusuf; Aksu, İsmail; Kaya, Cüneyt; Bayçelebi, Esra; Turan, Davut (Wiley, 2022)The DNA barcoding approach was used for the determination of evolutionary relationships and species delimitation of the genus Oxynoemacheilus (Teleostei: Nemacheilidae). The COI barcode region (615 bp amplicon) was used ... -
DNA barcoding of the genus Alburnoides Jeitteles, 1861 (Actinopterygii, Cyprinidae) from Anatolia, Turkey
Canoğlu, Halim; Aksu, İsmail; Turan, Davut; Bektaş, Yusuf (Pensoft Publishers, 2023)The present study investigated the ability of DNA barcoding to reliably identify the endemic freshwater species in Turkey, known as biodiversity hotspots. The barcode region (652 bp) of the mitochondrial cytochrome c oxidase ... -
DNA barcoding of the genus capoeta (Actinopterygii: Cyprinidae) from Anatolia
Bektaş, Yusuf; Aksu, İsmail; Kaya, Cüneyt; Turan, Davut (Central Fisheries Research Inst, 2019)The mitochondrial DNA cytochrome oxidase subunit I (COI) gene sequences were used as a DNA barcode to identify species of the Capoeta genus in Anatolia and to clarify their systematics. A 652-bp region of the mitochondrial ... -
The first record of Garra kemali (Teleostei: Cyprinidae) from the Black Sea basin with a re-description of the species
Yoğurtçuoğlu, Baran; Ekmekçi, F.Güler; Bektaş, Yusuf; Aksu, İsmail; Turan, Davut (Pfeil Verlag, 2018)Garra kemali is reported for the first time from the Black Sea Basin (Hirfanlı reservoir at the Kızılırmak River). The Hirfanlı population is distinguished from the Eregli population, from where G. kemali was described, ... -
Gammarus sezgini sp. nov. (Arthropoda, Amphipoda, Gammaridae), a new amphipod species from the Eastern Black Sea region of Türkiye
Baytaşoğlu, Hazel; Aksu, İsmail; Özbek, Murat (Pensoft Publishers, 2024)A new amphipod species belonging to the genus Gammarus was identified in the rivers of the Eastern Black Sea Region of Türkiye: G. sezgini sp. nov. The authors described the new species using a taxonomic approach that ... -
Genetic analysis of Aphaniidae Hoedeman, 1949 (Teleostei: Cyprinodontiformes) family in Anatolia
Kuyumcu, Mehmet; Aksu, İsmail; Bektaş, Yusuf (2021)We tested the mitochondrial DNA cytochrome b gene-based (1065 bp.) phylogeny and genetic diversity of tooth-carp fish (Aphaniidae Hoedeman, 1949), many of which are endemic, with a very high species diversity in Anatolia. ... -
Genetic differentiation of three spicara (Pisces: Centracanthidae) species, S. maena, S. flexuosa and S. smaris: and intraspecific substructure of S. flexuosa in Turkish coastal waters
Interspecific and intraspecific differentiation of the picarel in Turkish coastal waters were examined using partial 16S rRNA (1021 bp) and whole cytochrome b gene (1141 bp) sequences of 244 samples from 7 picarel populations ... -
Gobio baliki, a new gudgeon from Turkey (Teleostei: Cyprinidae)
Turan, Davut; Kaya, Cüneyt; Bayçelebi, Esra; Aksu, İsmail; Bektaş, Yusuf (Magnolia Press, 2017)Gobio baliki, new species, is described from the stream Buyuk Melen in the northwestern Anatolian Black Sea basin. the new species is distinguished from other gudgeons in Anatolia by the breast being completely covered by ... -
Low genetic diversity in Turkish populations of wels catfish silurus glanis L., 1758 (Siluridae, Pisces) revealed by mitochondrial control region sequences
Bektaş, Yusuf; Aksu, İsmail; Kalaycı, Gökhan; Turan, Davut (Central Fisheries Research Inst, 2020)This study aimed to investigate the genetic diversity and population structure of Wels catfish Silurus glanis L. 1758 in Turkey using squences of the mitochondrial DNA control region the 887-bp fragment of D-loop was aligned ... -
Mitochondrial phylogeny and biogeography of the genus Gobio (Teleostei: Cyprinidae) in Turkey
Aksu, İsmail; Bektaş, Yusuf (Taylor & Francis Ltd, 2019)Species of the cyprinid genus Gobio Cuvier, 1816 are widely distributed in freshwater lakes and rivers in Turkey, which is a hotspot for freshwater fish diversity and endemism. the mitochondrial 16S, coxI and cytb genes ... -
Molecular phylogeny of the genus Capoeta (Teleostei: Cyprinidae) in Anatolia, Turkey
Bektaş, Yusuf; Turan, Davut; Aksu, İsmail; Çiftçi, Yılmaz; Eroğlu, Oğuzhan; Kalaycı, Gökhan; Beldüz, Ali Osman (Pergamon-Elsevier Science Ltd, 2017)Phylogeny of Capoeta genus distributed in Anatolia were carried out by analysing mitochondria cytochrome b gene (1140 bp) sequences from 332 samples representing 59 populations of 15 species across their geographical ... -
Molecular systematics and phylogeography of the genusAlburnusHeckel, 1843 (Teleostei, Leuciscidae) in Turkey
Bektaş, Yusuf; Aksu, İsmail; Kaya, Cüneyt; Bayçelebi, Esra; Küçük, Fahrettin; Turan, Davut (Taylor & Francis Ltd, 2020)In this study, the phylogeny ofAlburnusgenus distributed in Turkish freshwaters was performed by analyzing mitochondrial cytbgene (1141 bp) and COI gene (1551 bp) sequences from 1172 samples representing 112 populations ... -
Morphological and molecular detection, distribution and environmental demands of pilumnus spinulosus kessler, 1861 in the Black Sea coasts of Turkiye
Baytaşoğlu, Hazel; Aksu, İsmail; Gözler, Ahmet Mutlu (Springer, 2022)The Pilumnus spinulosus species belonging to the Pilumnus genus was obtained with the sampling study carried out from the estuary of the Black Sea coast in 2017-2020. Temperature, salinity, dissolved oxygen, pH, TOC ... -
A new freshwater amphipod (Amphipoda, Gammaridae) from the Fakıllı Cave, Düzce Türkiye: Gammarus kunti sp. nov.
Özbek, Murat; Baytaşoğlu, Hazel; Aksu, İsmail (Pensoft Publishers, 2023)Aquatic species (such as fish, amphipods, isopods, hirudineans etc.) adapted to environmental conditions can live in caves connected to groundwater. The species of Niphargus and Gammarus are the most commonly encountered ...
