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Articles 1681 - 1710 of 2109
Full-Text Articles in Zoology
Seasonal Larval And Adult Population Dynamics And Breeding Habitat Diversity Of Culex Theileri Theobald, 1903 (Diptera: Culicidae) In The Gölbaşı District, Ankara, Turkey, Fati̇h Mehmet Şi̇mşek
Seasonal Larval And Adult Population Dynamics And Breeding Habitat Diversity Of Culex Theileri Theobald, 1903 (Diptera: Culicidae) In The Gölbaşı District, Ankara, Turkey, Fati̇h Mehmet Şi̇mşek
Turkish Journal of Zoology
In this research, which was carried out between August 1995 and July 1997 in an area that embraces Lakes Mogan and Eymir, Imrahor Valley and the Gölbaşı district of Ankara province, the seasonal larval and adult population dynamics, breeding habitat diversity and hibernation type of Culex theileri were studied and it was determined that 7 different habitat categories, such as marshes, lake shores, creek sides, pastures and animal footprints, can be breeding habitats for Cx. theileri and that it can be associated with 7 different mosquito species in these habitats. It was also established that larval and adult populations have …
The Lepidoptera (Insecta) Fauna Of Düzce Province, Turkey, Süleyman Akbulut, Beşi̇r Yüksel, Aki̇f Keten
The Lepidoptera (Insecta) Fauna Of Düzce Province, Turkey, Süleyman Akbulut, Beşi̇r Yüksel, Aki̇f Keten
Turkish Journal of Zoology
The lepidopteran species of Düzce province were investigated. To collect specimens, a sweep net and light traps were used. A total of 109 species belonging to 17 families of the order Lepidoptera were identified. The family Geometridae was represented by the highest number of species (20), followed by Noctuidae (19), Lycaenidae (12) and Nymphalidae (12). This was the first study to determine the Lepidoptera fauna of Düzce.
The Bats Of The Eastern Black Sea Region In Turkey (Mammalia: Chiroptera), İrfan Albayrak
The Bats Of The Eastern Black Sea Region In Turkey (Mammalia: Chiroptera), İrfan Albayrak
Turkish Journal of Zoology
The study was carried out on 89 specimens representing 11 bat species, Rhinolophus ferrumequinum, R. hipposideros, R. euryale, Myotis brandtii, M. bechsteinii, M. myotis, Pipistrellus pipistrellus, P. kuhlii, Nyctalus leisleri, Plecotus auritus and Miniopterus schreibersii. The specimens were collected from the eastern Black Sea region between the 1992 and 1994. Some ecological features of the species and their localities are presented in this study.
Two New Records Of Aulodrilus Bretscher, 1899 (Oligochaeta, Tubificidae) For The Turkish Fauna, Nai̇me Arslan, Yalçin Şahi̇n
Two New Records Of Aulodrilus Bretscher, 1899 (Oligochaeta, Tubificidae) For The Turkish Fauna, Nai̇me Arslan, Yalçin Şahi̇n
Turkish Journal of Zoology
Two species of Aulodrilus, A. pigueti and A. pluriseta, collected from Sakarbaşı, Enne, Margıalan and Kuşbaşlı creeks (parts of the upper Sakarya river system), are new records for the Turkish Potamofauna. In addition, the genus Aulodrilus is also new for the Anatolian fauna. Their morphological features were examined under a scanning electron microscope and light microscope and diagrams of them were drawn.
On The Distribution, Taxonomy And Karyology Of The Genus Plecotus (Chiroptera: Vespertilionidae) In Turkey, Ahmet Karataş, Nuri̇ Yi̇ği̇t, Ercüment Çolak, Tolga Kankiliç
On The Distribution, Taxonomy And Karyology Of The Genus Plecotus (Chiroptera: Vespertilionidae) In Turkey, Ahmet Karataş, Nuri̇ Yi̇ği̇t, Ercüment Çolak, Tolga Kankiliç
Turkish Journal of Zoology
Plecotus auritus and Plecotus austriacus were recorded from 8 and 3 localities in the Asiatic part of Turkey, respectively. It was determined that the length of the first premolar, the shape of the zygomatic arches and baculum distinguish these taxa from each other. Apart from these morphological characteristics, the tibia length of P. austriacus was found to be significantly greater than that of P. austriacus (P < 0.05). The diploid chromosome numbers were identical in both taxa (2n = 32). The number of chromosomal arms (FN = 54) and the number of autosomal chromosomal arms (FNa = 50) were the same as in previously published papers on P. austriacus.
A Study On The Morphology, Karyology And Distribution Of Ellobius Fisher, 1814 (Mammalia: Rodentia) In Iran, Muhammed Mouradi Gharakheloo, Erkut Kivanç
A Study On The Morphology, Karyology And Distribution Of Ellobius Fisher, 1814 (Mammalia: Rodentia) In Iran, Muhammed Mouradi Gharakheloo, Erkut Kivanç
Turkish Journal of Zoology
In this study, 180 mole-vole specimens collected from west, central, east and southeast Iran were investigated by morphological, biometrical and karyological methods. According to our findings, 3 different species, Ellobius fuscocapillus, Ellobius lutescens and Ellobius talpinus, are distributed in Iran. Karyological findings showed that E. fuscocapillus has 2n = 36 (NF = 58, NFa = 54), E. lutescens has 2n = 17 (NF = 34, NFa = 32) and E. talpinus has 2n = 52 (NF = 54, NFa = 50) chromosomes.
Taxonomic Studies On Trissolcus Sp. (Hymenoptera: Scelionidae), Egg Parasitoids Of The Sunn Pest (Hemiptera: Scutelleridae: Eurygaster Sp.), In Turkey, Erhan Koçak, Neşet Kilinçer
Taxonomic Studies On Trissolcus Sp. (Hymenoptera: Scelionidae), Egg Parasitoids Of The Sunn Pest (Hemiptera: Scutelleridae: Eurygaster Sp.), In Turkey, Erhan Koçak, Neşet Kilinçer
Turkish Journal of Zoology
The egg batches with parasitoids of the sunn pest Eurygaster sp. (Hemiptera: Scutelleridae) were collected to determine the egg parasitoid Trissolcus species (Hymenoptera: Scelionidae) of the pest from cereal areas in Turkey. In total, eight Trissolcus species, namely T. simoni Mayr, T. vassilievi Mayr, T. semistriatus Nees, T. grandis Thompson, T. manteroi Kieffer, T. pseudoturesis Rjachovsky, T. rufiventris Mayr and T. djadetshko Rjachovsky, are recognized. T. djadetshko Rjachovsky and T. manteroi Kieffer are new species for the Turkish fauna. The species are described and an identification key is provided.
The Distribution Of Three Exotic Fishes In Anatolia, Hüseyi̇n Şaşi, Süleyman Balik
The Distribution Of Three Exotic Fishes In Anatolia, Hüseyi̇n Şaşi, Süleyman Balik
Turkish Journal of Zoology
Three exotic fish species, Lepomis gibbosus (L., 1758), Pseudorasbora parva (Temminck & Schlegel, 1846) and Carassius gibelio (Bloch, 1782), were recorded in Topçam Dam Lake from a new locality in Asia Minor. The pumpkinseed sunfish, stone moroko and wild goldfish were found as a result of studies performed on the reservoir in Aydın province, Turkey, between June 1999 and June 2000. This study is one of the first records on the distribution of these fishes in Topçam Dam Lake, Anatolia. These 3 species had been recorded from the Thrace region of Turkey, as well as Pseudorasbora parva in the Antalya …
The Larval Development Stages Of The Japanese Snail, Rapana Thomasiana, Gross 1861, In The Egg Capsule, Orhan Uyan, Orhan Aral
The Larval Development Stages Of The Japanese Snail, Rapana Thomasiana, Gross 1861, In The Egg Capsule, Orhan Uyan, Orhan Aral
Turkish Journal of Zoology
In the present study, the larval development stages in the egg capsule of the Japanese snail (Rapana thomasiana, Gross 1861), distributed in the Black Sea were investigated. At the moment of capsule release, the diameter of the spherical egg was 151.5 ± 2.61 µm. After the capsule was released, the eggs gradually lost their spherical structure. After the completion of the early larval development stage in the egg capsule, the larvae hatched from the capsule as a veliger on day 20. The larvae were pelagic during the following 5 days and settled to the bottom day 25. The length and …
Growth Characteristics, Sex Inversion And Mortality Rates Of Striped Sea Bream, Lithognathus Mormyrus L., In İskenderun Bay, Mustafa Türkmen, İhsan Akyurt
Growth Characteristics, Sex Inversion And Mortality Rates Of Striped Sea Bream, Lithognathus Mormyrus L., In İskenderun Bay, Mustafa Türkmen, İhsan Akyurt
Turkish Journal of Zoology
The total length of examined samples of striped sea bream in İskenderun Bay ranged from 9.1 to 27.7 cm. The length-weight relationship constants for males (a = 0.0112, b = 3.042) and females (a = 0.0105, b = 3.069), showed no significant difference from isometric growth (P < 0.05). Von Bertalanffy growth parameters in length were L_{\infinity} = 26.55 cm, K = 0.203 y^{-1} and t_o = -1.81 y for males and L_{\infinity} = 32.64 cm, K = 0.136 y^{-1} and t_o = -2.12 y for females. Sex inversion occurred at lengths between 11.2 and 22.9 cm in age groups I-VI. Males were observed up to a length of 22.8 cm. Total, natural and fishing mortality rates were Z = 1.15 y^{-1}, M = 0.48 y^{-1} and F = 0.67 y^{-1} respectively. The exploitation rate of E = 0.60 indicates that the population is being heavily exploited. Reproductive activity of striped sea bream in İskenderun Bay took place between the second half of April and early August, with the greatest intensity in May. Lengths at first maturity were 13.4 cm for males and 13.9 cm for females.
Population Parameters Of The Pearl Oyster Pinctada Radiata (Leach) In Qatari Waters, Arabian Gulf, Saad Zakaria Mohammed, Mohammed Hamed Yassien
Population Parameters Of The Pearl Oyster Pinctada Radiata (Leach) In Qatari Waters, Arabian Gulf, Saad Zakaria Mohammed, Mohammed Hamed Yassien
Turkish Journal of Zoology
The pearl oyster, Pinctada radiata, represents the most abundant marine bivalve species in Qatari waters. The population parameters of this species were investigated and compared to those obtained previously from both the Mediterranean and Red seas. Four age groups with mean lengths of 56.75, 65.84, 77.54 and 84.66 mm were obtained for P. radiata from Qatari waters. The values of asymptotic length, Brody's growth coefficient and growth performance index were 132.18 mm, 0.34 y^{-1} and 1.77 respectively, while the total mortality coefficient equals 2.47 y^{-1}. The morphometric relationship between the total weight and dorso-ventral measurement was determined to be W …
A Study On The Morphology And Karyology Of Nannospalax Nehringi (Satunin, 1898) (Rodentia: Spalacidae) From Northeast Anatolia, Turkey, Yüksel Coşkun
A Study On The Morphology And Karyology Of Nannospalax Nehringi (Satunin, 1898) (Rodentia: Spalacidae) From Northeast Anatolia, Turkey, Yüksel Coşkun
Turkish Journal of Zoology
Twenty-two (12 males, 10 females) specimens of Nannospalax nehringi, collected from Northeast Anatolia (Turkey), were used for morphological and karyological studies. The specimens from the Kars population have foramina on the premaxillonasal suture. These foramina are absent in the Erzurum, Ağrı and Van populations. The diploid number of chromosomes in the Erzurum and Kars population is 2n = 50. The number of chromosomal arms (NF) is 70 and the number of autosomal arms (NFa) is 66. Their karyotypes consist of nine pairs of metacentric and submetacentric autosomes and 15 pairs of acrocentric autosomes. The Ağrı and Van populations have 2n …
A New Genus And A New Species Of Entedontinae (Hymenoptera, Eulophidae) From Southeastern Anatolia, Turkey, Mi̇kdat Doğanlar
A New Genus And A New Species Of Entedontinae (Hymenoptera, Eulophidae) From Southeastern Anatolia, Turkey, Mi̇kdat Doğanlar
Turkish Journal of Zoology
Urfacus bozovaensis gen. et sp. nov. of the Entodontinae (Hymenoptera, Eulophidae) are described. The specimens were swept from a wheat field together with many specimens of Haplothrips tritici Kurdj. (Thysanoptera, Phleothripidae) in Bozova, Şanlıurfa, Turkey. The diagnostic characters of the taxa are illustrated and the taxonomic position of the genus and species is discussed.
Faunistic Studies On The Species Of The Subfamily Clytrinae (Coleoptera, Chrysomelidae) Of Dedegöl Mountains (Isparta), Ali̇ Gök
Turkish Journal of Zoology
We determined 20 species belonging to seven genera in the subfamily Clytrinae from Dedegöl Mountains and the vicinity between 1996 and 1998. Among them, Cheilotoma beldei Kasap is an endemic species for Turkey. Although the distribution area of Labidostomis peregrina Weise (Caucasus, Azerbaijan, Georgia, Iran and Russia) is known, it has also been reported from the East Anatolian region of Turkey. The present study reports it from the western part of Turkey. The body part figures of taxonomic importance for each species are presented. In addition, their distribution generally and in Turkey are given.
The Development Of Brook Trout (Salvelinus Fontinalis Mitchill, 1814) Embryos During The Yolk Sac Period, Nadi̇r Başçinar, İbrahi̇m Okumuş, Ramazan Serezli̇
The Development Of Brook Trout (Salvelinus Fontinalis Mitchill, 1814) Embryos During The Yolk Sac Period, Nadi̇r Başçinar, İbrahi̇m Okumuş, Ramazan Serezli̇
Turkish Journal of Zoology
The growth rate during yolk absorption, yolk conversion efficiency, dry weight and water contents of brook trout (Salvelinus fontinalis Mitchill, 1814) larvae were observed and the relationships between degree-days were evaluated. While the mean wet weight was 72.45 ± 5.58 mg (n = 10) at hatching and reached 98.85 ± 6.22 mg just before the swim-up stage, the mean dry weights of the body and yolk sac were 2.70 ± 0.41 and 23.33 ± 0.59 mg at hatching and 9.49 ± 1.27 and 12.46 ± 1.14 mg at swim-up stages, respectively. The mean body dry matter and water content of …
The Effects Of Salinity On Postlarval Growth And Survival Of Penaeus Semisulcatus (Decapoda: Penaeidae), H. İbrahi̇m Soyel, Meti̇n Kumlu
The Effects Of Salinity On Postlarval Growth And Survival Of Penaeus Semisulcatus (Decapoda: Penaeidae), H. İbrahi̇m Soyel, Meti̇n Kumlu
Turkish Journal of Zoology
P. semisulcatus post-larvae (PLs) had higher survival and better growth at high rather than low salinities between PL20 and PL60. Final survivals at high salinities (30-40 ppt) (19-23%) were significantly higher than those (3-12%) below 25 ppt (P 0.05). A rise in salinity resulted in an increase in the biomass from 0.020 g at 10 ppt to 0.317 g at 40 ppt (P < 0.05). Optimum salinity for the nursery culture of P. semisulcatus PLs appeared to be about 40 ppt at 28 °C. Hence, the results of this study demonstrate that P. semisulcatus inhabiting the Mediterranean Sea is not a good candidate for culture in waters of low salinity.
Maturity And Fecundity Of Lizardfish (Saurida Undosquamis Richardson, 1848) In İskenderun Bay (Eastern Mediterranean), Ali̇ İşmen
Turkish Journal of Zoology
The spawning season, size and age at first sexual maturity, and fecundity of the commercially important lizardfish (Saurida undosquamis) were studied on the basis of 602 specimens from İskenderun Bay in the eastern Mediterranean. Lizardfishes had ripe gonads all around the year. The monthly gonadosomatic index values and the frequency of ripe gonads indicated that the spawning of this species occurred mainly in two seasons (May-July and September-November). Males attained first sexual maturity at a total length of about 16 cm and females at about 16.5 cm. Fecundity-length relationships estimated between 1999 and 2000 were log F = 0.422 + …
Seasonal Changes In The Composition And Abundance Of Zooplankton In The Seas Of The Mediterranean Basin, A. V. Kovalev, M. G. Mazzocchi, Ahmet Erkan Kideyş, Beni̇n Toklu, V. A. Skryabin
Seasonal Changes In The Composition And Abundance Of Zooplankton In The Seas Of The Mediterranean Basin, A. V. Kovalev, M. G. Mazzocchi, Ahmet Erkan Kideyş, Beni̇n Toklu, V. A. Skryabin
Turkish Journal of Zoology
Seasonal changes in the composition, abundance and biomass of zooplankton in the seas of the Mediterranean basin (the Mediterranean, Black and Azov seas) have been reviewed using our own data and data from the literature. In the deep-water central regions of the seas, the seasonal cycle of zooplankton abundance is characterised by one maximum occurring in spring or summer. In the coastal regions, two to three peaks (spring, summer and autumn) exist for the zooplankton abundance. The amplitude of seasonal fluctuations in abundance for the coastal zone as a rule is much wider than for the deep-water regions. In both …
Electrophoretic Patterns Of Some Viper Venoms From Turkey, Hüseyi̇n Arikan, Yusuf Kumlutaş, Oğuz Türkozan, İbrahi̇m Baran
Electrophoretic Patterns Of Some Viper Venoms From Turkey, Hüseyi̇n Arikan, Yusuf Kumlutaş, Oğuz Türkozan, İbrahi̇m Baran
Turkish Journal of Zoology
In this study, the venom extract of five viper species (Vipera xanthina, Vipera ammodytes, Vipera kaznakovi, Vipera wagneri and Vipera lebetina) collected from various regions of Turkey was subjected to polyacrylamide disc electrophoresis. No pressure was applied to the venom glands to provide venom extract. Important differences were detected among the electrophoretic patterns of venom proteins belonging to the five viper species.
In Vivo Effects Of Malathion On Glutathione-S-Transferase And Acetylcholinesterase Activities In Various Tissues Of Neonatal Rats, Suna Ti̇mur, Seçi̇l Önal, N.Ülkü Karabay, Ferah Sayim, Fi̇gen Zi̇hni̇oğlu
In Vivo Effects Of Malathion On Glutathione-S-Transferase And Acetylcholinesterase Activities In Various Tissues Of Neonatal Rats, Suna Ti̇mur, Seçi̇l Önal, N.Ülkü Karabay, Ferah Sayim, Fi̇gen Zi̇hni̇oğlu
Turkish Journal of Zoology
Glutathione-S-transferase (GST) has been reported to play an important role in the detoxification of several chemical compounds, including pesticides. Organophosphate pesticides are potent inhibitors of acetylcholinesterase (AChE). The present study was conducted to assess the in vivo effects of the organophosphate pesticide malathion on the activity of GST and AChE and the protein levels of different organs in neonatal rats. GST activity increased approximately two-fold in adult female rats fed malathion, whereas AChE activity decreased less than 20% of the control in the liver. Similarly, liver and heart GST activities (0.14 and 0.035 U/mg protein, respectively) were also increased approximately …
Effect Of Cypermethrin And Permethrin On Cholinesterase Activity And Protein Contents In Rana Tigrina (Amphibia), Muhammad Zaheer Khan, Rahila Tabassum, Syed Naim-Ul-Hasan Naqvi, Erum Z. Shah, Farhana Tabassum, Imtiaz Ahmed, Farina Fatima, Muhammad Farhanullah Khan
Effect Of Cypermethrin And Permethrin On Cholinesterase Activity And Protein Contents In Rana Tigrina (Amphibia), Muhammad Zaheer Khan, Rahila Tabassum, Syed Naim-Ul-Hasan Naqvi, Erum Z. Shah, Farhana Tabassum, Imtiaz Ahmed, Farina Fatima, Muhammad Farhanullah Khan
Turkish Journal of Zoology
The effect of different concentrations (0.1% and 1%) of cypermethrin and permethrin were examined on the kidney and liver of Rana tigrina. After treatment with these pesticides, cholinesterase activity and protein contents were determined, in the kidney and liver. It was observed that protein contents and cholinesterase activities decreased in the treated animals.
Effect Of Copper Chloride On The Enzyme Activities Of The Crab Sesarma Quadratum (Fabricius), Santhana Valarmathi, Jayapaul Azariah
Effect Of Copper Chloride On The Enzyme Activities Of The Crab Sesarma Quadratum (Fabricius), Santhana Valarmathi, Jayapaul Azariah
Turkish Journal of Zoology
A series of experimental studies indicated that copper as a toxicant causes a disturbance in enzyme activity. Stress conditions impose forced anaerobic conditions in the muscle, gill and hepatopancreas tissues of the crab Sesarma quadratum when exposed to two sublethal concentrations of 1/10 [2.8 ppm (Exp. 1)] and 1/3 [9.3 ppm (Exp. 2)] copper chloride for 21 d. Lactate dehydrogenase (LDH) activity was significantly elevated in muscle and hepatopancreas tissues whereas succinate dehydrogenase (SDH) activity was suppressed in the crab tissues of the muscle, gills and hepatopancreas for 21 d.
First Record Of Neognathus Terrestris (Acari, Caligonellidae) In Turkey, Sali̇h Doğan, Nusret Ayyildiz
First Record Of Neognathus Terrestris (Acari, Caligonellidae) In Turkey, Sali̇h Doğan, Nusret Ayyildiz
Turkish Journal of Zoology
In the present work, on the basis of specimens collected from Erzurum, the characteristic features and the figures of Neognathus terrestris, recorded for the first time from Turkey, have been given.
Systematical Studies On Megabombus (Apidae: Hymenoptera) Species In Central Anatolia, Ahmet Murat Ayteki̇n, Neşe Çağatay
Systematical Studies On Megabombus (Apidae: Hymenoptera) Species In Central Anatolia, Ahmet Murat Ayteki̇n, Neşe Çağatay
Turkish Journal of Zoology
Some species from the genus Megabombus in Central Anatolia were considered. Eight species were determined from the subgenera Thoracobombus, Rhodobombus and Megabombus (s. str.) by both classical and morphometrical systematics. Synonymies, Turkish and general distributions and detailed drawings of the dorsal view of the male genitalia were given. As a result of the phenograms obtained from 39 different morphological characters examined statistically, the subgenus Megabombus was shown to be a natural group.
Observations On The Mole Vole, Ellobius Lutescens Thomas 1897, (Mammalia: Rodentia) In Turkey, Yüksel Coşkun, Servet Ulutürk
Observations On The Mole Vole, Ellobius Lutescens Thomas 1897, (Mammalia: Rodentia) In Turkey, Yüksel Coşkun, Servet Ulutürk
Turkish Journal of Zoology
Ellobius lutescens is the only species of the genus Ellobius living in eastern Anatolia. They are highly adapted to underground life. There is no knowledge about the ecological peculiarities, population structures or detailed range of this species in Turkey. Data were recorded during field studies and laboratory observations of 42 specimens collected from 12 different localities. The distribution area is 8 km north of Muradiye in the north, the eastern border beyond the Turkish border, 32 km north of Çatak in the south, 5-6 km east of Uysal in the west, and Yüksekova in the southeast, the eastern border beyond …
Nine New Naididae (Oligochaeta) Species For Sakarya River, Turkey, Nai̇me Arslan, Yalçin Şahi̇n
Nine New Naididae (Oligochaeta) Species For Sakarya River, Turkey, Nai̇me Arslan, Yalçin Şahi̇n
Turkish Journal of Zoology
The material was collected between September 1995 and August 1998 from 79 stations on Sakarya River. A total of nine Naididae species (Ophidonais serpentina (Müller, 1773), Stylaria lacustris Lamarck, 1816, Nais pardalis Piguet, 1906, Nais variabilis Piguet, 1906, Pristinella jenkinae (Stephenson, 1931), Pristina foreli (Piguet, 1906), P. longiseta longiseta Ehrenberg, 1824, P. proboscidea Beddard, 1896 and P. aequiseta Bourne, 1891) belonging to five genera were recorded for the first time from Sakarya River.
Answers (Tekzip) To Letter: The Ostracoda (Crustacea) Fauna Of Lakes Erikli Hamam, Mert, Pedina And Saka (İgneada, Kırklareli, Turkey) Külköylüoğlu, O., Usta, E., & Babaç, M.T. (2002) Turk. J. Zool. Volume: 26, İssue: 3, 263-263, Selçuk Altinsaçli
Turkish Journal of Zoology
No abstract provided.
The Taxonomy And Distribution Of Apodemus Agrarius (Pallas, 1771) (Mammalia: Rodentia) In The European Part Of Turkey, Haluk Kefeli̇oğlu, Coşkun Tez, İslam Gündüz
The Taxonomy And Distribution Of Apodemus Agrarius (Pallas, 1771) (Mammalia: Rodentia) In The European Part Of Turkey, Haluk Kefeli̇oğlu, Coşkun Tez, İslam Gündüz
Turkish Journal of Zoology
The morphological and karyological characteristics of 27 specimens of Apodemus agrarius (Pallas, 1771) from the European part of Turkey were studied in detail and compared with those in the literature in order to provide a wider perspective on the taxonomic status of Apodemus agrarius in Turkey. In all the samples examined, 2n = 48 karyotype was observed with FN = 56 and FNa = 54. The 2n = 48 karyotype includes three pairs of metacentric, one pair of submetacentric and 19 pairs of acrocentric autosomes. Of the sex chromosomes, the X is a large acrocentric and the Y is a …
Application Of Gene Transfer Technology For Genetic Improvement Of Fish, Ali̇ye Sarmaşik
Application Of Gene Transfer Technology For Genetic Improvement Of Fish, Ali̇ye Sarmaşik
Turkish Journal of Zoology
The worldwide decline of natural fish stocks, the accumulation of chemical pollutants in aquatic environments and increasing world consumption of fish products has provided an impetus in many countries for a rapid growth in aquaculture. Fish produced from aquaculture currently account for over one-fourth of fish consumed by humans. However, success in aquaculture mainly depends on breeding, feeding and protection from disease. Application of recombinant DNA technology in aquaculture can help to improve these requirements.
Investigations Into Discourella Modesta (Leonardi, 1899) (Acari: Mesostigmata: Uropodina), A New Species For Turkey, Durmuş Ali̇ Bal, Muhli̇s Özkan
Investigations Into Discourella Modesta (Leonardi, 1899) (Acari: Mesostigmata: Uropodina), A New Species For Turkey, Durmuş Ali̇ Bal, Muhli̇s Özkan
Turkish Journal of Zoology
In this study, developmental stages of D. modesta (Leonardi, 1899) females collected from Erzincan province and its surroundings by Bal in 1997-2001 were evaluated. The specimens were examined in the light of previous studies. Earlier definitions, the structural features of females and nymphs, and the localities of the species were reviewed. Original drawings were also made of our specimens.