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Articles 6511 - 6540 of 8375
Full-Text Articles in Entire DC Network
Observations On The Histomorphogical Structure Of Some Long Bones Of The Water Frog (Rana Bedriagae) From The İzmir Area, Uğur C. Eri̇şmi̇ş, Uğur Kaya, Hüseyi̇n Arikan
Observations On The Histomorphogical Structure Of Some Long Bones Of The Water Frog (Rana Bedriagae) From The İzmir Area, Uğur C. Eri̇şmi̇ş, Uğur Kaya, Hüseyi̇n Arikan
Turkish Journal of Zoology
Histomorphological structures of the femur and the second phalange of the second outer toe of the left frog leg were investigated using the decalcifying method in Rana bedriagae. Skeleton Growth Marks (SGMs) were clearly observed in Rana bedriagae and it was shown that the skeletochronological technique is convenient and applicable for the age determination of this species.
Muscle Fiber Types Of The Tunica Muscularis Externa At The Upper Part Of The Sparrow (Passer Domesticus) Esophagus, Fati̇me Geyi̇koğlu, Aysel Temelli̇, Abdullah Özkaral
Muscle Fiber Types Of The Tunica Muscularis Externa At The Upper Part Of The Sparrow (Passer Domesticus) Esophagus, Fati̇me Geyi̇koğlu, Aysel Temelli̇, Abdullah Özkaral
Turkish Journal of Zoology
Muscle fiber types of the tunica muscularis externa of the upper part of the sparrow esophagus were characterised by the method of myofibrillar adenosine triphosphatase (mATPase). Muscle fibers were described as type II and type III. Muscle fiber types were histochemically different from those of the esophagus of broiler ross. It is thought that this difference should be evaluated according to the functional difference between the esophagus of domestic and wild bird species.
Effect Of Temperature On Development, Sexual Maturation Time, Food Consumption And Body Weight Of Schistocerca Gregaria Forsk. (Orthoptera: Acrididae), N. Eylem Akman Gündüz, Adem Gülel
Effect Of Temperature On Development, Sexual Maturation Time, Food Consumption And Body Weight Of Schistocerca Gregaria Forsk. (Orthoptera: Acrididae), N. Eylem Akman Gündüz, Adem Gülel
Turkish Journal of Zoology
This study was carried out to determine the effect of temperature on the development, sexual maturation time, food consumption and body weight of S. gregaria, Forsk., at 25 and 30ºC. The insects were fed on fresh wheat sprouts (FWS) and bran (B). When the temperature was increased, both developmental time and attainment time to sexual maturation were shortened. Total nymphal developmental time at 25 and 30ºC was 32 and 22 days, respectively. Similarly, the average attainment time to sexual maturity was 33 days at 30ºC, whereas it was 52 days at 25ºC. The food consumption of the insects increased at …
Antimicrobial Agents: Their Combined Effects On Total Protein Content Of The Endoparasitoid Pimpla Turionellae L. (Hymenoptera: Ichneumonidae), Kemal Büyükgüzel
Antimicrobial Agents: Their Combined Effects On Total Protein Content Of The Endoparasitoid Pimpla Turionellae L. (Hymenoptera: Ichneumonidae), Kemal Büyükgüzel
Turkish Journal of Zoology
The effects of some antibiotics and antifungal agents in combination on the total protein content of young pupae of the hymenopterous endoparasitoid, Pimpla turionellae L., were investigated by rearing the larvae aseptically on chemically defined synthetic diets. These effects varied with the kinds and levels of the combination of antimicrobial agents in the diets. The combinations of antibiotics generally increased the total protein content according to their individual levels in the diets. Antifungal agent combinations caused a slight but significant increase in the total protein content. However, some tested combinations of nystatin with methyl p-hydroxybenzoate or cycloheximide significantly decreased the …
The Larval Development Of The Spider Crab Menaethiops Nodulosus (Nobili, 1905) (Crustacea, Decapoda, Majidae) Reared In The Laboratory, Farhana Shafiq Ghory, Feroz Akhtar Siddiqui
The Larval Development Of The Spider Crab Menaethiops Nodulosus (Nobili, 1905) (Crustacea, Decapoda, Majidae) Reared In The Laboratory, Farhana Shafiq Ghory, Feroz Akhtar Siddiqui
Turkish Journal of Zoology
The present paper is based on the larval development of a spider crab Menaethiops nodulosus (Nobili, 1905) reared in the laboratory. The genus Menaethiops is represented by twelve species from Indo-Pacific regions including M. bicornis Alcock, 1895. Later two more species M. gadaniensis Kazmi & Tirmizi and M. nodulosus (Nobili) were added to the marine fauna of Pakistan. The ovigerous female of M. nodulosus was collected from Buleji on October 28, 1996, prezoeae and first zoeae were obtained on November 13, 1996 and the first zoeae were segregated for further experiment. This species passes through two zoeal stages before moulting …
Effect Of Temperature Change On Maximum Swimming Speed Of Whiting, Merlangius Merlangus (Linnaeus, 1758), Hüseyi̇n Özbi̇lgi̇n
Effect Of Temperature Change On Maximum Swimming Speed Of Whiting, Merlangius Merlangus (Linnaeus, 1758), Hüseyi̇n Özbi̇lgi̇n
Turkish Journal of Zoology
Seasonal changes in sea temperature levels affect the swimming performance of fish. This study investigates if a change of 5°C from 7 to 12°C in water temperature has a significant effect on the maximum swimming performance of whiting, Merlangius merlangus, which is one of the most common species caught in the bottom trawl fisheries of the North Sea. The effect of this seasonal change on swimming performance was shown by two experiments. A temperature increase from 7°C to 12°C was shown to cause a decrease in the minimum twitch contraction time of the lateral muscle, when stimulated by an electric …
The Ostracoda (Crustacea) Fauna Of Lakes Erikli, Hamam, Mert, Pedina And Saka (İğneada, Kırklareli,Turkey), Okan Köylüoğlu, Erdoğan Usta, M. Teki̇n Babaç
The Ostracoda (Crustacea) Fauna Of Lakes Erikli, Hamam, Mert, Pedina And Saka (İğneada, Kırklareli,Turkey), Okan Köylüoğlu, Erdoğan Usta, M. Teki̇n Babaç
Turkish Journal of Zoology
No abstract provided.
The Effects Of High Salinity On The Production Of Capoeta Tinca In A Naturally Contaminated River, Fi̇tnat Güler Ekmekçi̇
The Effects Of High Salinity On The Production Of Capoeta Tinca In A Naturally Contaminated River, Fi̇tnat Güler Ekmekçi̇
Turkish Journal of Zoology
The production properties of Capoeta tinca, the dominant fish population in a naturally contaminated stream in the Kızılırmak Basin, were studied together with the physical and chemical characteristics of the waters and evaluated in order to assess the impact of the high natural salinity on the fish population. The evaluation was based on comparisons of fish specimens caught from Acı stream, which is highly contaminated by a lithology of high salt content, and those from Terme stream, the uncontaminated freshwater branch, between May 1995 and May 1996. The salinity and electrical conductivity of Acı stream varied between 2 and 8.5, …
Astioglossimetra Karachiensis N. Gen., N. Sp. (Trematoda: Plagiorchiidae: Astiotrematinae) From The Marine Turtle Chelonia Mydas Of Karachi Coast, Fatima Mujib Bilqees, Nasira Khatoon, Aly Khan
Astioglossimetra Karachiensis N. Gen., N. Sp. (Trematoda: Plagiorchiidae: Astiotrematinae) From The Marine Turtle Chelonia Mydas Of Karachi Coast, Fatima Mujib Bilqees, Nasira Khatoon, Aly Khan
Turkish Journal of Zoology
A new trematode genus Astioglossimetra n. gen. has been erected to accommodate an undescribed species A. karachiensis n. gen., n. sp., from Chelonia mydas of the Karachi coast. The genus name refers to its relation to the genera Astiotrema Looss and Glossimetra Mehra of the family Plagiorchiidae and subfamily Astiotrematinae.
Cladocera And Copepoda (Crustacea) Fauna Of Lake Terkos (Durusu), Hüseyi̇n Güher
Cladocera And Copepoda (Crustacea) Fauna Of Lake Terkos (Durusu), Hüseyi̇n Güher
Turkish Journal of Zoology
Field studies were conducted by taking samples vertically and horizontally during a specific period of each month between April 2000 and March 2001 in Lake Terkos. A total of 28 species belonging to six families of Cladocera and 13 species from seven families of Copepoda are identified. Their known geographical distribution in Turkey have been given according to provinces.
Three Unrecorded Helophorus Fabricius, 1775 (Coleoptera, Hydrophilidae) Species For The Turkish Fauna, Ümi̇t İncekara, Abdullah Mart, Orhan Erman
Three Unrecorded Helophorus Fabricius, 1775 (Coleoptera, Hydrophilidae) Species For The Turkish Fauna, Ümi̇t İncekara, Abdullah Mart, Orhan Erman
Turkish Journal of Zoology
Three newly recorded Helophorus Fabricius, 1775 species for Turkish fauna, Helophorus (Rhopalhelophorus) fulgidicollis Motschulsky, 1860, H. (R.) similis Kuwert, 1887 and H. (R.) subarcuatus Rey, 1885, are compared against our specimens. Furthermore, their distribution in Turkey and around the world is presented.
Longitarsus Stragulatus (Foudras, 1860), (Coleoptera: Chrysomelidae, Alticinae) A New Record Of Flea Beetles For The Fauna Of Turkey, Ali̇ Gök, Mehmet Faruk Gürbüz
Longitarsus Stragulatus (Foudras, 1860), (Coleoptera: Chrysomelidae, Alticinae) A New Record Of Flea Beetles For The Fauna Of Turkey, Ali̇ Gök, Mehmet Faruk Gürbüz
Turkish Journal of Zoology
Longitarsus stragulatus (Foudras, 1860) (Coleoptera: Chrysomelidae, Alticinae) is recorded for the first time in Turkey. The taxonomical features of the species are briefly described, and its general distribution and aedeagal figures given.
First Records Of Oreodytes Seidlitz, 1887 (Dytiscidae, Coleoptera) From Turkey: Oreodytes Septentrionalis (Gyllenhal, 1826) And Oreodytes Davisii (Curtis, 1831), Ömer Köksal Erman, Orhan Erman
First Records Of Oreodytes Seidlitz, 1887 (Dytiscidae, Coleoptera) From Turkey: Oreodytes Septentrionalis (Gyllenhal, 1826) And Oreodytes Davisii (Curtis, 1831), Ömer Köksal Erman, Orhan Erman
Turkish Journal of Zoology
Oreodytes septentrionalis (Gyllenhal, 1826) and Oreodytes davisi (Curtis, 1831) are recorded in Turkey for the first time and are reviewed according to our specimens and their distributions around the world.
Three New Rhizopulvinaria Species (Homoptera: Coccoidea: Coccidae) For Scale Insect Fauna Of Turkey, Mehmet Bora Kaydan, Ferenc Kozar, Bülent Yaşar
Three New Rhizopulvinaria Species (Homoptera: Coccoidea: Coccidae) For Scale Insect Fauna Of Turkey, Mehmet Bora Kaydan, Ferenc Kozar, Bülent Yaşar
Turkish Journal of Zoology
Three Rhizopulvinaria species, Rhizopulvinaria pyrethri Borchsenius, Rhizopulvinaria turkestanica (Archangelskaya), and Rhizopulvinaria viridis Borchsenius, were identified on wild flora in eastern Anatolia in 1997. All of them are new records for the Turkish scale insect fauna.
Two Macrochelid Species (Acari: Gamasida: Macrochelidae) New To Turkish Fauna, Ali̇ Nafi̇z Eki̇z, Raşi̇t Urhan
Two Macrochelid Species (Acari: Gamasida: Macrochelidae) New To Turkish Fauna, Ali̇ Nafi̇z Eki̇z, Raşi̇t Urhan
Turkish Journal of Zoology
Two macrochelid species, Macrocheles (Glyptholaspis) americana and M. (G.) fimicola, which are new to Turkish fauna, are examined. The morphological characters of these species are reviewed and figures are drawn. Moreover, their zoogeographical distributions and habitats are given.
On An Asaccus Elisae (F. Werner, 1895) (Sauria: Gekkonidae) Specimen Collected From The Vicinity Of Nusaybin, Mardin, Cemal Varol Tok, Mehmet Kutsay Atatür, Durmuş Ci̇han
On An Asaccus Elisae (F. Werner, 1895) (Sauria: Gekkonidae) Specimen Collected From The Vicinity Of Nusaybin, Mardin, Cemal Varol Tok, Mehmet Kutsay Atatür, Durmuş Ci̇han
Turkish Journal of Zoology
A single Asaccus elisae specimen, which was caught from the vicinity of Nusaybin, Mardin in SE Anatolia, was examined morphologically. The previous known locality of the species in Anatolia was Birecik, near Şanlıurfa.
Androgenesis: The Best Tool For Manipulation Of Fish Genomes, Minal P. Bhise, Tariq A. Khan
Androgenesis: The Best Tool For Manipulation Of Fish Genomes, Minal P. Bhise, Tariq A. Khan
Turkish Journal of Zoology
Androgenesis involves the development of an organism with only paternal chromosomes. The induction of androgenesis using diploid sperm, highly effective UV-irradiation of egg, dispermy using heterologous eggs, the possibility of producing supermales for all male production and the recovery of cryopreserved sperm are recent technological developments in androgenesis in fish. However, few researchers have successfully produced viable diploid androgens in fish. The authors made an attempt to induce androgenesis in the common carp (Cyprinus carpio L.) and the results are discussed along with the potential applications of androgenesis in conserving fish genomes and current knowledge on inducing androgenesis in fish.
Chromosomes Of Oedipoda Schochi Schochi And Acrotylus Insbricus (Orthoptera, Acrididae, Oedipodinae). Karyotypes And C- And G-Band Patterns, Şi̇fa Türkoğlu, Serdar Koca
Chromosomes Of Oedipoda Schochi Schochi And Acrotylus Insbricus (Orthoptera, Acrididae, Oedipodinae). Karyotypes And C- And G-Band Patterns, Şi̇fa Türkoğlu, Serdar Koca
Turkish Journal of Zoology
Chromosomes, with detalied karyotype information (number, shape, total length, relative length, arm ratio and centromeric index) and C- and G-band patterns of two species of grasshoppers belonging to the subfamily Oedipodinae in Turkey are described. The karyotype of Oedipoda schochi schochi with 2n O = 25 (X0) comprises eight pairs of metacentric, two pairs of submetacentric, one pair of acrocentric and one pair of subacrocentric autosomes, which come from 2n O = 23 through centric fission and the metacentric X chromosome, while Acrotylus insbricus with 2n O = 23 (X0) possesses metacentric autosomes, and the metacentric X chromosome.
Community Structure Of Macrobenthos Of A Southeast Texas Sand-Pit Lake Related To Water Temperature, Ph And Dissolved Oxygen Concentration, Kemal Çeli̇k
Turkish Journal of Zoology
Water temperature (°C), pH, dissolved oxygen concentration (mg/l) and the community structure of the macrobenthos of a small southeast Texas sand-pit (Barry's) lake were studied from June 1995 to February 1996, which covered climatic extremes. The lake was a warm monomictic lake and no anoxic conditions were observed at any depth during the entire study period. A total of 50 taxa and 5614 individuals of macrobenthos were collected. The dominant organisms were Chaoborus punctipennis (Say), Limnodrilus hoffmeisteri (Claparede), and Dero obtusa (Udekem). The only established populations at 6.5 m were Chaoborus punctipennis, Limnodrilus hoffmeisteri, and Chironomus sp. Species diversity ranged …
Seasonal Fluctuation In The Rotifer Fauna Of Kesikköprü Dam Lake (Ankara, Turkey), Si̇bel Yi̇ği̇t
Seasonal Fluctuation In The Rotifer Fauna Of Kesikköprü Dam Lake (Ankara, Turkey), Si̇bel Yi̇ği̇t
Turkish Journal of Zoology
The individual and seasonal variations of 11 rotifer species identified in Kesikköprü Dam Lake were investigated from April 1995 to May 1996. Species-wise percentages were Polyarthra vulgaris 24.5%, Keratella quadrata 20.8%, Asplanchna priodonta 16.0%, Brachionus angularis 11.2%, Keratella cochlearis 8.8%, Synchaeta litoralis 7.0%, Lecane luna 4.0%, Notholca squamula 3.8%, Lepadella patella 1.6%, Notholca acuminata 1.4% and Colurella adriatica 0.7%. Apart from two seasonal peaks in spring and autumn, some species such as S. litoralis, L. luna, N. squamula, and C. adriatica showed smaller fluctuations other than during seasonal peaks. When the annual abundance of species was taken into consideration, P. …
The Toxic Effects Of Malathion (Organophosphate Insecticide) On The Daphnia Magna Straus, 1820 (Crustacea, Cladocera), Maryam Rassoulzadegan, Nusret Akyurtlakli
The Toxic Effects Of Malathion (Organophosphate Insecticide) On The Daphnia Magna Straus, 1820 (Crustacea, Cladocera), Maryam Rassoulzadegan, Nusret Akyurtlakli
Turkish Journal of Zoology
The toxic effects of technical grade (95 %) malathion and commercial (25 %) malathion were investigated on young (£ 24 h old) Daphnia magna in static acute toxicity tests (24 and 48 h). The culture of D. magna and toxicity tests were performed at 24 ± 1 ºC with a photoperiod of 16 h light and 8 h dark. To obtain a healthy population, the fecundity of each female in their life cycle was also investigated. The immobilization of daphnids was considered for determination of the 24 h / 48 h effective concentration (50 %). The EC50 values were found …
Impact Of Two Sublethal Concentrations Of Copper Chloride And Chlorine On The Excretory Products Of Crab Sesarma Quadratum (Fabricius), Santhana Valarmathi, Jayapaul Azariah
Impact Of Two Sublethal Concentrations Of Copper Chloride And Chlorine On The Excretory Products Of Crab Sesarma Quadratum (Fabricius), Santhana Valarmathi, Jayapaul Azariah
Turkish Journal of Zoology
Excretion in estuarine animals is considered to be an important factor in assessing their physiological status. The pattern of oxygen consumption and excretion patterns (ammonia and nitrite) in medium size mud crabs of S. quadratum (3 to 4 g weight) were studied under laboratory conditions at two sublethal concentrations of 1/10 and 1/3 of the LC_{50} value of copper chloride and chlorine. The rates of oxygen consumption and excreted products were negatively correlated to the sublethal concentrations of the toxicant. Reduced rates of oxygen consumption and excretion of ammonia and nitrite were observed when exposed to these sublethal concentrations.
A Faunistic Study On Asiobates Thomson, 1859 (Hydraenidae, Polyphaga, Coleoptera) Species, Ahmet Kasapoğlu, Orhan Erman
A Faunistic Study On Asiobates Thomson, 1859 (Hydraenidae, Polyphaga, Coleoptera) Species, Ahmet Kasapoğlu, Orhan Erman
Turkish Journal of Zoology
A list of Asiobates species known from Turkey and their distribution worldwide are presented. A brief review and discussion of the new records, Ochthebius (Asiobates) cantabricus Balfour-Browne, 1978 and Ochthebius (Asiobates) remotus Reitter, 1887, has also been added.
The Occurrence Of The Rumen Ciliate Metadinium Banksi Dehority, 1985 (Ophryoscolecidae, Entodiniomorphida) From Domestic Goats (Capra Hircus L.) In Southeastern Turkey, Bayram Göçmen, Burk A. Dehority, Sami̇ye Rastgeldi̇
The Occurrence Of The Rumen Ciliate Metadinium Banksi Dehority, 1985 (Ophryoscolecidae, Entodiniomorphida) From Domestic Goats (Capra Hircus L.) In Southeastern Turkey, Bayram Göçmen, Burk A. Dehority, Sami̇ye Rastgeldi̇
Turkish Journal of Zoology
Metadinium banksi was observed in rumen contents from a single goat out of eight living in southeastern Turkey. It constituted 0.25% of the total ciliate population and had a 12.5% frequency of appearance. The size and percentage occurrence of this species in the present study are compared to those previously reported for other animal hosts living in different geographical locations. This study reports for the first time in Turkey the presence of Metadinium banksi in arctic ruminants.
Coccid (Homoptera: Coccoidea) Species Of Isparta Province, And Their Parasitoids From Turkey And Georgia, George Japoshvili, İsmai̇l Karaca
Coccid (Homoptera: Coccoidea) Species Of Isparta Province, And Their Parasitoids From Turkey And Georgia, George Japoshvili, İsmai̇l Karaca
Turkish Journal of Zoology
A list of coccids distributed in Isparta province (Turkey) is given in this paper. Their parasitoids determined in Isparta and previously reported from Turkey and Georgia are also discussed. As a result of the survey studies performed in June-November, 2001, 21 species of coccids were found on different host plants in Isparta province. From 16 of these coccids, 19 species of parasitoids were obtained. The similarity index of two countries in terms of their coccid parasitoids fauna was 0.635.
A New Record Of A Water Mite (Acari, Hydrachnellae) For The Turkish Fauna: Gnaphiscus Setosus Koenike, 1898, Ahmet Bursali, Muhli̇s Özkan
A New Record Of A Water Mite (Acari, Hydrachnellae) For The Turkish Fauna: Gnaphiscus Setosus Koenike, 1898, Ahmet Bursali, Muhli̇s Özkan
Turkish Journal of Zoology
The morphological characters and geographical distribution of Gnaphiscus setosus Koenike, 1898, a new record for the Turkish fauna, are given.
The Growth Features Of Tench (Tinca Tinca L., 1758) In Bayındır Dam Lake, Ankara, Turkey, Ahmet Altindağ, Syed Lal Shah, Si̇bel Yi̇ği̇t
The Growth Features Of Tench (Tinca Tinca L., 1758) In Bayındır Dam Lake, Ankara, Turkey, Ahmet Altindağ, Syed Lal Shah, Si̇bel Yi̇ği̇t
Turkish Journal of Zoology
The growth features of tench, Tinca tinca, in Bayındır Dam Lake were studied between March 1999 and February 2000. A total of 100 samples (51 males and 49 females) were examined. Age in both sexes ranged from age group I to V. The sex ratio was 1.04 and 1.0 for males and females respectively. The fork length and weight of females and males varied from 15.2 to 33.2 cm and 51.4 to 650.7 g and 15.7 to 34.7 cm and 52.8 to 822.6 g respectively. Age-length and age-weight relationships were obtained using the Von Bertalanffy growth equation. Allometric growth patterns …
Age Determination Of Shad (Alosa Pontica Eichwald,1838) Inhabiting The Black Sea, Savaş Yilmaz, Nazmi̇ Polat
Age Determination Of Shad (Alosa Pontica Eichwald,1838) Inhabiting The Black Sea, Savaş Yilmaz, Nazmi̇ Polat
Turkish Journal of Zoology
The most reliable bony structure and method were investigated for age determination of shad (Alosa pontica Eichwald, 1838) inhabiting the Black Sea. Therefore, five bony structures such as scale, vertebra, otolith, opercle and subopercle were removed from 240 individuals collected from April 1998 to April 1999. Each bony structure was prepared for age determination by different techniques, and examined by binocular microscope. Mean ages were estimated for each bony structure-reader combination and the precision of age estimated from multiple readings was evaluated. Furthermore, the error of ageing was calculated. Vertebra was the most reliable bony structure for ageing this species …