Mehmet Zeki Yildirim

• Prof.Dr.
• Head of Department at Burdur Mehmet Akif Ersoy University

Türkiye, which is one of the important speciation regions of the Palearctic Region, is one of the distribution centers of the genus Dreissena. Since the 1800s, many taxa belonging to the genus have been mentioned, especially by European researchers. However, in recent years, the existence of three taxa has been determined mainly in the lentic syste...

We discuss the distributions and conchological characteristics of 7 Albinaria taxa present in calcareous areas around the coastal town of Marmaris in southwestern Türkiye. A new subspecies, Albinaria coa tek Örstan is described from a disjunct population found on a small island south of Marmaris. The new subspecies is geographically closest to A. b...

Bu çalışmada Burdur Ağız ve Diş Sağlığı Merkezi’ne başvuran periodontal hastalığı olan bireylerde Entamoeba gingivalis ve Trichomonas tenax varlığının araştırılması amaçlanmıştır. Ağız ve Diş Sağlığı Merkezi’ne Nisan - Kasım 2021 tarihleri arasında başvuran ve periodontal hastalığı bulunan 18-80 yaş arası 46 hasta (30 gingivitis ve 16 periodontitis...

A land snail from an altitude of 2300 m on Tahtalı Mountain in southern Türkiye is described as a new species, Metafruticicola diva Örstan & Yıldırım spec. nov. The new species is distinguished from the previously known high-altitude Metafruticicola species by its unbanded shell with short hairs and anatomical characteristics.

Araştırmanın amacı ileride yardım ve kurtarma çalışmasında görev almak için eğitim gören Acil Yardım ve Afet Yönetimi programı öğrencilerinin iş hayatlarında maruz kalabilecekleri Travma Sonrası Stres Bozukluğu konusunda bilgi sahibi olmalarıdır. Araştırma üç ayrı kısımdan oluşmaktadır. Birinci kısımda Türkiye’de afet yönetim sürecinden ve Afet Yön...

Commonly found in terrestrial and aquatic ecosystems, Gastropoda members are the class with the highest number of species within the Mollusca. Freshwater Gastropods which are generally listed in primary consumer play a crucial part in aquatic environments by feeding numerous fish species and vertebrate species. They include species that are widely...

In this study, the impacts of zebra mussels on aquatic communities (biology, ecology, natural enemies of zebra mussel, effects on the ecosystems etc.) were evaluated based on the international scientific literature. In the last 30 years, zebra mussel studies have been focused on their distribution, environmental interactions and harms in different...

A survey conducted during the years 2019 and 2021 in Phaselis found 22 species of snails and one species of semi-slug. The most abundant taxa were Albinaria lycica phaselis, Metafruticicola schuberti, Orculella ignorata and Rumina saharica. The scarcity of larger snails (Cornu, Eobania and Zonites species) was noteworthy. The anatomy of a specimen...

A land snail extracted from rotting wood in a pine forest at an altitude of 1350 m on the noncalcareous Sandras Mountain in western Turkey is described as a new species, Mediterranea xylocola Örstan spec. nov. Besides its unusual habitat, the new species is also characterized by its small shell (~4 mm in diameter) microsculptured with distinct spir...

Bu çalışmada, 2 altsınıf, 8 familya ve 11 cinse ait 11 Gastropod türü (Theodoxus anatolicus, Bithynia pseudommericia, Graecoanatolica dinarica, Valvata piscinalis, Stagnicola palustris, Radix labiata, Planorbis planorbis, Planorbarius corneus, Bathyomphalus contortus, Acroloxus lacustris, Physella acuta) , Batı Anadolu’nun önemli bir su kaynağı ola...

Considering the studies related to the freshwater molluscs in Turkey, it can be seen that the first checklist was done in freshwater and brackish water in 1999 and 72 taxa were determined. One of the checklists published in 2006 included just the freshwater pulmonate species and in this checklist 28 taxa were reported. Another checklist on prosobra...

to now, 12 snail species have been determinted as a intermediate host (Helicella candicans, Helicopsis krynickii, Trochoidea pyramiadata, Monacha carthusiana, Cochlicella acuta, Helicella itala, Cernuella virgata, Helicopsis protea, Helicella obvia, Helix aspersa, Helix lucorum, Chondrus tournefortianus) in Turkey. Unfortunately, classification...

A new hydrobiid genus and species Isparta felei n. gen. n. sp. is described from Isparta province of Turkey. Samples were collected in 2017. The morphology of the shell, male and female genital tract of the new species are described. Moreover the similarity and distinctness with the genus Pseudohoratia are also given.

A new species Islamia burduricus is described from Lakes Region of Turkey. Shell photographs and genitalia illustrations of the new species and also comparisons between new taxon and Islamia species previously described from Turkey are provided.

Although the snail is consumed by many people and many Muslim countries, our country which is Sunni is not consumed. Snails are human nutrients, as well as products obtained from some species of skin wrinkle prevention and so on. Because of its cosmetic effects. The basic food that is defined as meat is also derived from cattle and sheep, fish and...

In this study, Arion vulgaris which was found in a private garden and known as Spanish snail, killer snail and has adverse effects on agricultural areas and biodiversity is recorded for the first time in Turkey. Also ınvasive features of the species is discussed.

In this study, Arion vulgaris which was found in a private garden and known as Spanish snail, killer snail and has adverse effects on agricultural areas and biodiversity is recorded for the first time in Turkey. Also ınvasive features of the species is discussed.

The some taxonomic characters of species in superfamily Hydrobioidea (Gastropoda: Prosobranchia) distrubuted in freshwater of Isparta. In this study, it has been given some anatomical characters of species in superfamily Hydrobioidea collected from the Isparta provinces and determined 4 species in the wreshwater habitat. Falsipyrgula pfeiferi Weber...

In this study, epiphytic and epilithic diatom compositions in Birecik Dam Lake and Karkamis Dam Lake were identified. The diatom samples chosen from 6 stations were investigated between 2012 and 2013. In the research, 47 taxa belonging to Ochrophyta were identified. Cocconeis pediculus Ehr., Cymbella affinis Kutz., Navicula radiosa Kutz., Nitzschia...

The family Valvatidae Gray 1840 has a widespread distribution in the Holarctic. To date, four species of the genus Valvata have been reported from Turkey: V. cristata O.F. Müller 1774, V. piscinalis (O.F. Müller 1774), V. saulcyi Bourguignat 1853 and V. macrostoma Mörch 1864. This study is based on recently collected materials from the comprehensiv...

The journal is available on line at www.ecol-mne.com http://zoobank.org/urn:lsid:zoobank.org: Abstract The family Valvatidae Gray 1840 has a widespread distribution in the Holarctic. To date, four species of the genus Valvata have been reported from Turkey: V. cristata O.F. Müller 1774, V. piscinalis (O.F. Müller 1774), V. saulcyi Bourguignat 1853...

Bythinella anatolica sp. n., Bythinella istanbulensis sp. n., Bythinella magdalenae sp. n., and Bythinella wilkei sp. n. from western Turkey are described herein. Illustrations of the shell and genitalia of the newly described taxa, together with comparisons with previously known Bythinella taxa and a key to the species from western Turkey, are als...

New material of freshwater molluscs in the Mediterranean region of Turkey revealed two new species of the genus Pseudamnicola Paulucci, 1878, i.e., P. kayseriensis n. sp., and P. gullei n. sp.

The alpine land snails recorded from Turkey are evaluated and brief explanations about the taxa and their distributional records are given. Accordingly 59, 2 aquatic and 57 terrestrial, species and subspecies are enlisted according to literature data and field findings from the alpine areas in Turkey. Rezumat. Melci din regiuni alpine din Turcia. S...

New freshwater genera (Anadoludamnicola and Sivasi) of Hydrobiidae are described for new hydrobiid species (Anadoludamnicola gloeri and Sivasi bodoni) from material collected from provinces Sivas and Malatya (Turkey), using anatomical and morphological data. For now, Sivasi is known from a single locality, while we expect Anadoludamnicola will be f...

The phylogenetic position of Tefennia tefennica Schutt et Yildirim, 2003, an endemic snail species from southwestern Turkey, was inferred with maximum likelihood analyses of DNA sequences of mitochon-drial cytochrome oxidase subunit I and nuclear 18S rRNA. Tefennia belongs to the Hydrobiidae, Sadlerianinae; its sister clade comprises Grossuana Rado...

The purpose of this study was to identify and document species belonging to the superfamily Helicoidea (Gastropoda: Pulmonata) found in the province Malatya and the surrounding area. Samples from 43 different localities were collected. A total of 4 genera and 7 species belonging to two families within the superfamily Helicoidea were identified. Of...

Graecoanatolica Radoman, 1973 is a remarkable genus of Hydrobiidae, recognized with its disjunct distribution between Macedonia, Greece (Thessaly), and Turkey (Lakes Region). However, the current distribution of the genus is restricted to Turkey, as the 2 Balkan species have been declared extinct. In this study, a taxonomic revision of the Graecoan...

Th e land snail fauna of the Mut District was surveyed during the spring (April-May) of 2008. A total of 31 species and subspecies—9 (29%) of them endemics—belonging to 26 genera and 14 families were determined from 41 localities. Dominant families were Enidae, Orculidae, and Hygromiidae. Humidity, vegetation, and habitat type were the determinants...

Amaç: Çalışmada Hominoid buluntu veren Çankırı ili merkez ilçesinde bulunun Çorakyerler omurgalı fosil yatağından toplanılan Gastropoda örneklerinin tür tespitlerinin yapılması amaçlanmıştır. Yöntem: 1997-2009 yılları arasında genellikle omurgalı kemikleri ile birlikte toplanılan örnekler plastik poşetler içerisinde numaralanarak saklanılmıştır. Lo...

In this study, existent freshwater snails collected from 184 stations from Lakes Region of Turkey have been determined. A total of 32 prosobranch taxa from 18 genera and 10 families and 18 pulmonate taxa from 12 genera and 4 families have been recorded. 25 of the prosobranch taxa and 2 of the pulmonate taxa are Anatolian endemics. Rezumat. Fauna de...

Species composition, abundance and monthly distribution of the Mollusca fauna and the physicochemical variables of Saricay Creek and Atikhisar Reservoir have been investigated between September 2005-August 2006. Mollusca fauna in Saricay Creek and Atikhisar Reservoir was represented by 21 species of Gastropoda and 8 species of Bivalvia. Diversity,...

An investigation was carried out on the native gastropod species in Lake Gölbaşı, Hatay. During the research 3 species belonging to the subclass Pulmonata (Gyraulus piscinarum, Radix labiata, Anisus leucostoma) were detected along with 9 species of the subclass Orthogastropoda (=Prosobranchia) including Theodoxus jordani, Semisalsa contempta, Semis...

Species composition, abundance, and monthly distribution of mollusk fauna as well as physical and chemical variables of Aksu River were investigated from February 2003 to July 2004. Mollusk fauna in Aksu River was represented by 10 taxa of Gastropoda and 3 taxa of Bivalvia. Aksu River contains four different water quality regions among the stations...

Beta-cypermethrin, a synthetic pyrethroid pesticide and potential toxic pollutant, was investigated in the present study for acute toxicity to Nile tilapia (Oreochromis niloticus L.) fingerlings. The bioassay experiments were repeated three times and the 24-hour LC50 was determined for the Nile tilapia. A static test method of acute toxicity test w...

This study was carried out between February 2000 and July 2001, to determine the water quality of Aksu River, which springs from Isparta and flows to Mediterranean Sea in Antalya and to identify the impact of physicochemical features on biodiversity of macroinvertebrates. According to the biological method three and according to physicochemical dat...

Twenty-one native species of land snails were recorded during a survey of the Aydin Mountains in the Province of Aydin, Turkey. Idyla aydinensis Örstan (Pulmonata: Clausiliidae) is described as a new species from an altitude of 1030 m. The new species is characterized by a narrow shell with closely spaced fine ribs and a long penis with a grooved p...

Aim The aims of this study are to establish a multi-locus phylogeny-based hypothesis for the biogeographical relationship of gastropods from the putative ancient Lake Egˇirdir, to test the respective null hypothesis, to estimate the timing of biogeographical events based on independent molecular clock approaches, and to interpret the data with resp...

Pathological findings in spirocercosis encountered in a female, 7 months old, mongrel dog which was found dead in a heavily forested area and brought to the Pathology Department of Veterinary Medicine Faculty of Ankara University to be necropsied with toxication suspicion by the Directorship Branch Office of Nature Protection and National Parks of...

To identify the mollusk fauna of Lake Sapanca (Turkey), samples were collected monthly from 5 stations between September 2000 and August 2001. The mollusk fauna of the lake consists of a total of 16 species, 12 of which belong to Gastropoda: Theodoxus fluviatilis, Viviparus acerosus costae, Esperiana accicularis situssineri, Esperiana esperi, Bithy...

Deltamethrin, a synthetic pyrethroid contaminating aquatic ecosystems as a potential toxic pollutant, was investigated in the present study for acute toxicity. The purpose of this study was to evaluate LC(50) values of deltamethrin on Nile tilapia (Oreochromis niloticus L.) fingerlings and investigate histopathological responses of fish exposed to...

Diversification and speciation processes in the endemic Anatolian Aphanius taxa are well documented today based on crossbreeding experiments and molecular data. On the other hand, otolith characteristics have rarely been utilized to demonstrate these processes in Aphanius. In this study, otoliths of 250 specimens of Aphanius anatoliae, A. asquamatu...

The holotype of Sprattia sowerbyana aksoylari was recently deposited in the Carnegie Museum of Natural History in Pittsburgh, Pennsylvania, U.S.A. A brief re-description of the holotype is also given. Sprattia sowerbyana aksoylari was given full species rank i.e. Sprattia aksoylari by Nordsieck (2004).

Malacological investigations in the counties of Antalya and Isparta (Turkey) have provided new information on the distribution and status of Stagnicola species in Asia Minor. By comparing the anatomy of the material collected, two previously undescribed species where recognised.

During malacological investigations in Turkey we found a new Bithynia-species, B. pesicii n. sp. in Asia-minor, in former times mentioned as Bithynia leachii. A description of the morphology of species' shell and the penis are given in this paper. In addition, we present the morphology of the penis of Bithynia pseudemmericia Schütt, 1964 and Pseudo...

This study re-evaluated the brackish and freshwater Prosobranch fauna list of Turkey. Furthermore, recent systematic changes and future studies to be performed were discussed. Theodoxus (Theodoxus) danubialis (C. PFEIFFER 1828). Th. (Th.) subthermalis (ISSEL 1865). Bythinella opaca (FRAUENFELD 1857). Pseudamnicola macrostoma (KÜSTER 1852). P. kotsc...

To date, based on the studies of foreign and Turkish malacologists, 28 basommatophoran snail species belonging to 16 genera from 5 families (Physidae, Lymnaeidae, Planorbidae, Ancylidae, and Acroloxidae) have been found in freshwaters of Turkey. In Turkey, the genera Acroloxus (1 species), Galba (1), Stagnicola (1), Radix (2), Lymnaea (1), Physa (1...

Fifty species of land snails, (38 native, 12 introduced), were collected during a survey of the Bodrum peninsula, Turkey. Collections were also done on the Turkish island Kara Ada off the coast of Bodrum and the more distant Greek islands, Kalimnos and Psérimos. Pyramidula chorismenostoma and Vitrea sossellai are recorded for the first time in Turke...

Histopathological alterations induced by Thiodan in three tissues, namely, digestive gland, foot and mantle, of the freshwater snail Lymnaea stagnalis were investigated. Specimens of Lymnaea stagnalis were exposed to 0.36% and 0.72% Thiodan 35 EC, a commercial grade of endosulfan, for 96 h followed by a recovery period of 30 days. Thiodan caused si...

Histopathological alterations in three tissues, namely, digestive gland, foot and mantle of the freshwater snail Galba truncatula induced by Thiodan 35 EC, a commercial preparation of endosulfan, were studied in the laboratory. The snails were exposed to five sublethal concentrations of Thiodan, two of them higher concentrations at 0.33% and 0.65%...

Two new Metafruticicola species from alpine altitudes of the Taurus mountains in the Vilayet Isparta in southwestern Turkey are described. Metafruticicola dedegoelensis is characterized by a disc-like, irregularly ribbed shell with a blunt edge at the periphery and a wide umbilicus, Metafruticicola oerstani by a disc-like shell with very short hair...

In this study the great ramshorn snail (Planorbarius corneus), one of the most abundant gastropod of Turkish limnic systems, was investigated to determine the histopathological effects of endosulfan on the digestive gland, foot and mantle under laboratory conditions. Samples were collected from small artificial pools in Karaot at Gelendost-Isparta...

Edible species and their distribution in Turkey were studied. The absence of Helix pomatia, a species reported to occur in Turkey in resources in various disciplines, is mentioned, while 7 species of edible snails determined (Theba pisana, Eobania vermiculata, Cryptomphalus aspersus, Cantareus apertus, Helix asemnis, Helix cincta and Helix lucorum)...

Three families (Limacidae, Agriolimacidae and Milacidae) and 7 species, ( Limacus flavus, Deroceras reticulatum, Deroceras berytensis, Mesolimax brauni, Mesolimax escherichi, Milax cf. altenai and Tandonia budapestensis) were identified from Lakes Region (Isparta, Burdur, and Afyon provinces). These include 1 endemic genus with 2 species. In this s...

Three families (Limacidae, Agriolimacidae and Milacidae) and 7 species, (Limacus flavus, Deroceras reticulatum. Deroceras berytensis, Mesolimax brauni, Mesolimax escherichi, Milax cf. altenai and Tandonia budapestensis) were identified from Lakes Region (Isparta, Burdur, and Afyon provinces). These include 1 endemic genus with 2 species. In this st...

Borlumastus gen. nov. is described as a new genus of the family Enidae and compared concho-logically and as regards the genitalia with similar genera. The new genus is characterized by an elongated shell with only a palatal tooth in its aperture, an S-shaped penile verge, longitudinal folds covering the inside walls of the penis and by the lack of...

We compared the shells and genitalia of the land snail Jaminia from 24 locations on mainland Turkey and two Aegean islands. No consistent differences were noted between the genitalia of the coastal and inland specimens. However, most coastal shells were smaller than inland shells. Additionally, in most coastal shells the subcolumellar apertural too...

Of the Prosobranchia species found in Turkey, 60 species and 12 subspecies were determined to be present in the study area according to our results and the results of foreign malacologists. The species and their genera are: 8 species, 2 subspecies belonging to Theodoxus; 1 species, 1 subspecies belonging to Viviparus; 4 species belonging to Valvata...

In this study that has been verified at the Eǧirdir environs, Helix lucorum which is one of the edible terrestrial snail species in Turkey, and a standard method of collecting snail samples for consumption were investigated. In the area of study, it was observed that individuals begin to reproduce at the second week of February and that they are sp...

In this study some ecological studies were carried out on the local populations of Ancylus fluviatilis Müller 1774, from March 1995 to March 1996. Temperature of water, pH, conductivity, oxygen values, structure of ground, faunal and floral features of each localities' were investigated monthly, and as well as the effects of these ecological factor...

In this study length-weight relationship and the flesh ratio in the abdomen and cheliped of crayfish (Astacus leptadactylus salinus NORDMAN, 1842) which were caught from Eǧirdir Lake were investigated. According to length - weight value on the experiment wet and cooked flesh were used and the lower limit of the catching size of crayfish were determ...

In this study a new subspecies of Sprattia O. BOETTGER 1883 from Eǧirdir, Turkey, is described: Sprattia sowerbyana aksoylari n.ssp. The shell morphology of this subspecies been investigated and its diagnostic characteristics are discussed in comparasion has the subspecies Sprattia sowerbyana sowerbyana and Sprattia sowerbyana imperialis.

In this study, description of Vallonia enniensis (GREDLER 1856). which is a new record for the Malacofauna of Turkey, its characteristics and distribution have been studied. An identification key for the species of Vallonia genus known in Turkey has been arranged.

Bin this study having being confirmed the nourishment value of Lymnaea stagnate (LINNAEUS, 1758) and Planorbarius corneus (LINNAEUS, 1758) usefulness of them in ration of food has been searched. In analysis L. stagnate totaly contained 63.34% flesh. 36.66% shell, 90.6% water of flesh were found. In the 100 g. of dry material of this species 60.95%...

Pathological findings in spirocercosis encountered in a female, 7 months old, mongrel dog which was found dead in a heavily forested area and brought to the Pathology Department of Veterinary Medicine Faculty of Ankara University to be necropsied with toxication suspicion by the Directorship Branch Office of Nature Protection and National Parks of...

SYNOPSIS Lake Burdur is one of the largest and deepest lakes of Turkey with an average depth of 40 m (70 m at maximum), while maximum surface area is 140 km 2 at 854 m elevation. It is salty (sodium sulphate and chloride type) and highly alkaline (pH 9-9,60), thus it never freezes. As a a Ramsar Site since 1993 and Wildlife Reserve and A1 Class wet...