Browsing by Author "Külköylüoğlu, Okan"
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Alpha and beta species diversity of freshwater Ostracoda (Crustacea) and their seasonal distribution in Seben-Taşliyayla Reservoir (Bolu, Turkey)
Külköylüoğlu, Okan; Tanyeri, Meriç; Yılmaz, Ozan (Central Fisheries Research Inst, 2017)To complete the first long-term study on freshwater ostracods and estimate their alpha and beta species diversity in a newly established Seben-Tasliyayla Reservoir (Bolu, Turkey) along with nine different environmental ... -
An annotated checklist of the non-marine ostracods (Crustacea) of Algeria with some ecological notes
Ghaouaci, Souad; Yavuzatmaca, Mehmet; Külköylüoğlu, Okan; Amarouayache, Mounia (Magnolia Press, 2017)A total of 47 non-marine ostracods are listed from Algeria including both, the species reported in literature and those collected from 117 water bodies in humid, semi-arid and arid regions of Algeria between 2012 and 2016. ... -
The aquatic diversity of ostracoda, phytoplankton and zooplankton from freshwater cave habitats in Turkey
Külköylüoğlu, Okan; Yavuzatmaca, Mehmet; Karacaoğlu, Didem; Telli, Murat (British Cave Research Association, 2014)During this study, a total of 13 ostracod, 2 zooplankton and 43 phytoplankton taxa were recorded from 22 aqueous caves visited between 2010 and 2013 in Turkey. Whereas three ostracods (Candona cf. Candida, Eucypris sp., ... -
Bicornucandona gen. nov., sp nov (crustacea, ostracoda) from finegan springs (Texas, USA)
Külköylüoğlu, Okan; Gibson, Randy; Diaz, Peter H.; Colin, Jean-Paul (Magnolia Press, 2011)A new freshwater ostracod genus, Bicornucandona gen. nov. and its type species (Bicornucandona fineganensis sp. nov.) are described from Finegan Springs, Texas, U. S. A. The new genus differs from the related genera in the ... -
Cave ostracoda (Crustacea) from western black sea region of Turkey
The studies about cave ostracods in the world are limited but need more attention. -
Comalcandona gibsoni sp. nov. (Ostracoda, Candonidae) from Comal Spring, Texas, USA
Külköylüoğlu, Okan (2019)A new species, Comalcandona gibsoni sp. nov., was found from Comal Springs, Comal County, Texas, USA. The new species has four horn-like projections located on the antero- and posterodorsal ends of the valves and this ... -
Comments on “Is Copytus Skogsberg, 1939 (Crustacea: Ostracoda) a neocytherideid? With description of a new family and two new species” by Coimbra, Bergue & Ramos (2020)
Külköylüoğlu, Okan (Magnolia Press, 2021)Most recently, Coimbra et al. (2020) published an article in this journal (Zootaxa, 4729 (2): 177–194) questioning the taxonomic position of the genus Copytus Skogsberg, 1939 (Crustacea, Ostracoda) along with proposing it ... -
Comparative ecology of Ostracoda (Crustacea) in two rheocrene springs (Bolu, Turkey)
Sarı, Pınar Karakaş; Külköylüoğlu, Okan (The Ecological Society of Japan, 2008)A total of ten taxa belonging to the class Ostracoda of the Crustacea (Darwinula stevensoni, Candona neglecta, Cypria ophthalmica, Ilyocypris bradyi, Prionocypris zenkeri, Herpetocypris chevreuxi, Psychrodromus olivaceus, ... -
Comparative phylogenic analyses of cave-And surface-water Ostracoda from northwest Anatolia based on mitochondrial CO-I
Telli, Murat; Külköylüoğlu, Okan; Bozdağ, Ozan Gönensin; Yavuzatmaca, Mehmet (British Cave Research Association, 2016)The class Ostracoda comprises one of the most diverse taxonomic groups within the subphylum Crustacea. Because of their unique community structure, species diversity and richness, ostracods can be used as indicator species ... -
Comparison of Ostracoda (Crustacea) species diversity, distribution and ecological characteristics among habitat types
Külköylüoğlu, Okan; Yılmaz, Sinem; Yavuzatmaca, Mehmet (E Schweizerbartsche Verlagsbuchhandlung, 2017)To understand the relationship between habitat differences and ostracod species diversity, distribution and ecological characteristics, eleven different habitat types (spring, creek, stream, lake, waterfall, cave, puddle, ... -
Contribution to the freshwater ostracoda (crustacea) fauna of Turkey : distribution and ecological notes
Bu çalışmada, 31 Ağustos 2010 ile 23 Haziran 2011 tarihleri arasında 47 istasyondan toplam 37 tatlısu ostrakot türü toplanmıştır. Bunlardan üç tür (Eucypris kerkyrensis, Cypridopsis elongata, Bradleystrandesia parva) Türkiye ... -
Correlational analyses of the relationships between altitude and carapace size of Ostracoda (Crustacea)
Dalgakıran, Enes; Külköylüoğlu, Okan; Yavuzatmaca, Mehmet; Akdemir, Derya (Edp Sciences S A, 2020)The relationship between ostracods body size and altitude was studied from 117 aquatic habitats of Mersin province (Turkey). 72.6% of the relationship between 12 ostracods and five environmental variables was explained. ... -
Correlational patterns of species diversity, swimming ability and ecological tolerance of non-marine ostracoda (Crustacea) with different reproductive modes in shallow water bodies of agri region (Turkey)
Külköylüoğlu, Okan; Yavuzatmaca, Mehmet; Akdemir, Derya; Yılmaz, Ozan; Çelen, Ebru; Dere, Şükran; Dalkıran, Nurhayat (Taylor & Francis Inc, 2019)A total of 52 ostracod taxa (35 live spp. 17 subfossils) were collected from 70 shallow aquatic bodies with 11 different habitat types in Agri province (Turkey). Fabaeformiscandona acuminata is a new record for the Turkish ... -
Cyclocypris vinyardi n. sp (Ostracoda) described from a rheocrene spring in Nevada (USA)
Külköylüoğlu, Okan (Brill Academic Publishers, 2008)A new freshwater ostracode, Cyclocypris vinyardi n. sp., belonging to the family Cyclocyprididae is described from a slow flowing rheocrene spring in Nevada, U.S.A. The new species is distinguished from the other 12 extant ... -
Cypria lacrima sp nov a new ostracoda (Candonidae, Crustacea) species from Texas, USA
Külköylüoğlu, Okan; Akdemir, Derya; Yavuzatmaca, Mehmet; Schwartz, Benjamin F.; Hutchins, Benjamin T. (Biodiversity Research Center, Acad Sinica, 2017)A new ostracod species, Cypria lacrima sp. nov. (Cyclocypridinae) is proposed from an artesian well in Hays County, Texas, U.S.A. The species differs from its conspecies with the following characteristics: unique shape and ... -
Description of a new tribe Cabralcandonini (Candonidae, Ostracoda) from karst aquifers in Central Texas, USA
Külköylüoğlu, Okan; Yavuzatmaca, Mehmet; Akdemir, Derya; Schwartz, Benjamin F.; Hutchins, Benjamin T. (Natl Speleological Soc, 2019)Cabralcandonini tribe n., with the type genus Cabralcandona gen. n. from an artesian well in the San Marcos, Texas (U.S.A.) and six other genera from karst aquifers in Texas, is proposed as a new tribe of the subfamily ... -
Determining effective environmental factors and ecology of non-marine Ostracoda (Crustacea) in Giresun, Turkey
Çapraz, Çağatay; Külköylüoğlu, Okan; Akdemir, Derya; Yavuzatmaca, Mehmet (EDP Sciences SA, 2022)To determine influential environmental factors on ostracod species, 105 aquatic sampling sites were sampled from the Giresun province. Sixteen species collected from 69 sites are new records for the study area. Seven of ... -
Distribution and ecological requirements of ostracods (Crustacea) at high altitudinal ranges in Northeastern Van (Turkey)
Külköylüoğlu, Okan; Sarı, Necmettin; Akdemir, Derya (Edp Sciences S A, 2012)To understand ostracod distribution and ecology at high altitudes (1659-2889 m 78 different aquatic sites located in the city of Van were sampled during summer of 2009. A total of 29 ostracod species were recorded in 57 ... -
Distribution and ecology of freshwater Ostracoda (Crustacea) collected from springs of Nevada, Idaho, and Oregon: a preliminary study
Külköylüoğlu, Okan; Vinyard, Gary L. (Brigham Young Univ, 2000)Fourteen freshwater ostracod species collected from 24 springs ill Nevada, Idaho, and Oregon between 1991 and 1994 were classified. Their ecology; based on major water parameters (i.e., temperature, dissolved oxygen, pH, ... -
Distribution and ecology of Ostracoda (Crustacea) from troughs in Turkey
Külköylüoğlu, Okan; Akdemir, Derya; Sarı, Necmettin; Yavuzatmaca, Mehmet; Oral, Ceren; Başak, Elif (Tubitak Scientific & Technical Research Council Turkey, 2013)Troughs are artificially transformed natural springs, underground waters, or related habitats. Some effects of such transformation are mentioned in a few studies, but there has been no extensive study on species composition ...
