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2002

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Articles 61 - 90 of 111

Full-Text Articles in Zoology

The Effects Of Phytoplankton Concentration, Size Of Mussel And Water Temperature On Feed Consumption And Filtration Rate Of The Mediterranean Mussel (Mytilus Galloprovincialis Lmk), İbrahi̇m Okumuş, Nadi̇r Başçinar, Mükerrem Özkan Jan 2002

The Effects Of Phytoplankton Concentration, Size Of Mussel And Water Temperature On Feed Consumption And Filtration Rate Of The Mediterranean Mussel (Mytilus Galloprovincialis Lmk), İbrahi̇m Okumuş, Nadi̇r Başçinar, Mükerrem Özkan

Turkish Journal of Zoology

The effects of phytoplankton concentration, size and water temperature on the feeding rate of the Mediterranean mussel (Mytilus galloprovincialis) from the Black Sea were investigated in the laboratory within a static system. Overall consumption (total cell/h) was significantly higher at the highest phytoplankton concentrations than at the lowest concentration (p

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Sds-Page Patterns Of Blood Serum Proteins In Some Species Of The Genus Meriones (Mammalia: Rodentia), Reyhan Çolak, Nuri̇ Yi̇ği̇t, Ercüment Çolak, Rolf Gattermann, Karsten Neumann Jan 2002

Sds-Page Patterns Of Blood Serum Proteins In Some Species Of The Genus Meriones (Mammalia: Rodentia), Reyhan Çolak, Nuri̇ Yi̇ği̇t, Ercüment Çolak, Rolf Gattermann, Karsten Neumann

Turkish Journal of Zoology

The blood serum proteins of Meriones meridianus, Meriones crassus, Meriones persicus and Meriones tristrami, all found in Turkey, along with domestic Meriones unguiculatus, which originated in Mongolia, were examined for the first time by SDS-PAGE. In the globulin zone, seven to ten bands were identified, one band in the post-albumin and albumin zones and one or two bands in the pre-albumin zone of five species of the genus Meriones. There was no diagnostic difference in the pattern of serum protein bands between species.

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Five New Chironomidae (Diptera) Species For The Turkish Fauna, Nurcan Özkan Jan 2002

Five New Chironomidae (Diptera) Species For The Turkish Fauna, Nurcan Özkan

Turkish Journal of Zoology

Five species were identified as new for the Turkish potamofauna of Edirne and Tekirdağ provinces from Thrace region between August 1995 and August 1996 in this study. They are Corynoneura scutellata Thienemann, 1944 (in Ergene River), Beckidia zabolotzkii (Goetghebuer, 1938) (in Meriç River), Robackia demeijerei (Kruseman, 1933) (in Meriç River and Sazlıdere Stream), Parachironomus arcuatus Goetghebuer 1919 (in Meriç River and Ergene River) and Parachironomus longiforceps Kruseman, 1933 (in Meriç River).

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Research On The Herpetofauna Of Murat Mountain (Kütahya-Uşak), Adem Özdemi̇r, İbrahi̇m Baran Jan 2002

Research On The Herpetofauna Of Murat Mountain (Kütahya-Uşak), Adem Özdemi̇r, İbrahi̇m Baran

Turkish Journal of Zoology

In this study, the amphibians and reptilians of Murat Mountain, where only mountain frogs have been investigated so far, are introduced. A total of 99 specimens from 15 different species were collected. Four of the species belong to anurans, one belongs to tortoises, six belong to lizards and four belong to the snakes group.

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Micrommata Virescens (Clerck, 1757), A New Species For The Spider Fauna Of Turkey (Araneae, Sparassidae), Abdullah Bayram, Sevda Özdağ Jan 2002

Micrommata Virescens (Clerck, 1757), A New Species For The Spider Fauna Of Turkey (Araneae, Sparassidae), Abdullah Bayram, Sevda Özdağ

Turkish Journal of Zoology

The morphological characteristics of Micrommata virescens (Clerck, 1757), which is recorded for the first time in Turkey, are given.

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Development Of The Muskox Lungworm, Umingmakstrongylus Pallikuukensis (Protostrongylidae), In Gastropods In The Arctic, Susan J. Kutz, Eric P. Hoberg, John Nishi, Lydden Polley Jan 2002

Development Of The Muskox Lungworm, Umingmakstrongylus Pallikuukensis (Protostrongylidae), In Gastropods In The Arctic, Susan J. Kutz, Eric P. Hoberg, John Nishi, Lydden Polley

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Development of the muskox protostrongylid lungworm, Umingmakstrongylus pallikuukensis, in its slug intermediate host, Deroceras laeve, was investigated under field conditions in the Arctic. Every two weeks, from 19 June to 28 August 1997, groups of ten experimentally infected slugs were placed in tundra enclosures in a mesic sedge meadow near Kugluktuk, Nunavut, Canada. First-stage larvae (L1) infecting slugs on or before 17 July developed to third-stage larvae (L3) in 4–6 weeks. Intensity of L3 in slugs peaked at 6–8 weeks post infection (PI) and then progressively declined by 10, 12, and 48–50 weeks PI. Abundance of L3 in …

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Leptodactylus Silvanimbus, W. R. Heyer, Rafael O. De Sá, Sarah Muller Jan 2002

Leptodactylus Silvanimbus, W. R. Heyer, Rafael O. De Sá, Sarah Muller

Biology Faculty Publications

Adult Leptodactylus silvanimhus are of moderate sized, the head is about as wide as long, and the hind limbs are moderate in length (see Table; also see Heyer and Thompson 2000 for definitions of adult size and leg length categories for Leptodacrylus). The male vocal sac is single and internal. Male forearms are hypertrophied in larger individuals. Adult males have two black thumb spines on each hand and lack chest spines. Individuals lack dorsolateral folds. The toe tips are narrow, not expanded. Females have weakly developed lateral toe fringes and males either have lateral toe ridges or weakly developed fringes. …

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Chelonus Jurine (Hymenoptera: Braconidae: Cheloninae) Species Of The Marmara Region, Mi̇tat Aydoğdu, Ahmet Beyarslan Jan 2002

Chelonus Jurine (Hymenoptera: Braconidae: Cheloninae) Species Of The Marmara Region, Mi̇tat Aydoğdu, Ahmet Beyarslan

Turkish Journal of Zoology

The genus Chelonus Jurine (Hymenoptera: Braconidae: Cheloninae) species in the Marmara region of Turkey are defined, 12 species recorded and a key to species is provided. Of these species, Chelonus asiaticus Telenga, Chelonus bidens Tobias, Chelonus canescens Wesmael, Chelonus microsomus Tobias, Chelonus oculator (Panzer), Chelonus ocellatus Alexeev, Chelonus scabrator (Fabricius), Chelonus smirnovi Telenga, Chelonus szepligetii Dalla Torre, Chelonus tuberculifer Tobias, and Chelonus varimaculatus Tobias are new records for Turkey and Chelonus inanitus (Linnaeus) is a new record for the Marmara region of Turkey.

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Some Rumen Ciliates (Isotrichidae, Trichostomatida; Epidininae, Ophryoscolecidae) Of The Domestic Goat (Capra Hircus L.) In Turkey, Bayram Göçmen, Mehmet Kutsay Atatür Jan 2002

Some Rumen Ciliates (Isotrichidae, Trichostomatida; Epidininae, Ophryoscolecidae) Of The Domestic Goat (Capra Hircus L.) In Turkey, Bayram Göçmen, Mehmet Kutsay Atatür

Turkish Journal of Zoology

Rumen contents obtained from domesticated goats (Capra hircus L.) slaughtered at abattoirs in the vicinity of Adana were surveyed for holotrichous ciliate protozoans and the genus Epidinium. The presence of two holotrichous ciliate genera including three species (Isotricha prostoma, I. intestinalis and Dasytricha ruminantium) and also of seven formae of Epidinium ecaudatum (E. e. f. ecaudatum, E. e. f. caudatum, E. e. f. bicaudatum, E. e. f. tricaudatum, E. e. f. quadricaudatum, E. e. f. parvicaudatum and E. e. f. cattanei) were established. The mean ciliate density in our surveyed goats, 34.62x10^4 cells/ml, was lower than those of domestic sheep …

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Pulluterina Karachiensis Sp.N. (Cestoda: Anaplocephalidae) From The Wild Pigeon Columba Livia Gmelin, Rafia Rehana Ghazi, Nasira Khatoon, Sofia Mansoor, Fatima Mujib Bilqees Jan 2002

Pulluterina Karachiensis Sp.N. (Cestoda: Anaplocephalidae) From The Wild Pigeon Columba Livia Gmelin, Rafia Rehana Ghazi, Nasira Khatoon, Sofia Mansoor, Fatima Mujib Bilqees

Turkish Journal of Zoology

A new species, Pulluterina karachiensis, is described from the common pigeon Columba livia Gmelin in Karachi. The new species is characterized by possessing small suckers; a longer neck; fewer testes, smaller in size, and the comparatively smaller size of ova. This is the second species of the genus from Pakistan and third in the literature.

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Faunistic Studies On The Species Pachybrachis Chevrolat And Cryptocephalus Geoffroy (Coleoptera, Chrysomelidae, Cryptocephalinae) Of Dedegöl Mountains (Isparta), Ali̇ Gök Jan 2002

Faunistic Studies On The Species Pachybrachis Chevrolat And Cryptocephalus Geoffroy (Coleoptera, Chrysomelidae, Cryptocephalinae) Of Dedegöl Mountains (Isparta), Ali̇ Gök

Turkish Journal of Zoology

The material of the subfamily Cryptocephalinae collected from Dedegöl Mountains (Isparta) between 1996 and 1998 consisted of 21 species belonging to the genera Pachybrachis and Cryptocephalus. A diagnostic key and distribution records for the species are presented. The species except for Cryptocephalus bipunctatus (L.), C. turcicus Suffrian, C. connexus Olivier, Pachybrachis limbatus (Menetries), P. fimbriolatus (Suffrian) and P. tessellatus orientalis Weise are new for Isparta.

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Range Extension Of Caridina Weberi Sumatrensis De Man, 1892 (Decapoda, Caridea, Atyidae) To Sindh Waters (Karachi, Pakistan), Quddusi̇ Bashi̇r Kazmi̇, Feroz Akhtar Siddiqui, Mohammad Afzal Kazmi̇ Jan 2002

Range Extension Of Caridina Weberi Sumatrensis De Man, 1892 (Decapoda, Caridea, Atyidae) To Sindh Waters (Karachi, Pakistan), Quddusi̇ Bashi̇r Kazmi̇, Feroz Akhtar Siddiqui, Mohammad Afzal Kazmi̇

Turkish Journal of Zoology

A freshwater atyid Caridina weberi sumatrensis is being reported for the first time from Sindh waters. This report from Karachi is evidently at the margin of its range.

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Cephalopod Fauna Of The Eastern Mediterranean, Alp Salman, Tuncer Katağan, Hüseyi̇n Avni̇ Benli̇ Jan 2002

Cephalopod Fauna Of The Eastern Mediterranean, Alp Salman, Tuncer Katağan, Hüseyi̇n Avni̇ Benli̇

Turkish Journal of Zoology

Studies on the cephalopods of Turkish coasts have been going on since 1988. As a result of these studies, a total of 43 species have been determined, comprising 11 species from the Sea of Marmara, 38 from the Aegean Sea and 24 from the Mediterranean Sea. With respect to other studies carried out excluding Turkish coasts, the eastern Mediterranean cephalopod fauna has increased to 51 species. Among the species determined, Ancistrocheirus lesueurii and Ancistroteuthis lichtensteini are new records for the eastern Mediterranean; Sepietta obscura, Ancistrocheirus lesueurii, Ancistroteuthis lichtensteini and Tremoctopus violaceus for the Aegean Sea; and Alloteuthis media, Rossia macrosoma …

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The Ephemeroptera (Insecta) Fauna Of Lake Ulubat Basin, Mustafa Tanatmiş Jan 2002

The Ephemeroptera (Insecta) Fauna Of Lake Ulubat Basin, Mustafa Tanatmiş

Turkish Journal of Zoology

In this study, 1812 Ephemeroptera nymphs were collected in order to determine the Ephemeroptera fauna of Lake Ulubat Basin between April 1996 and September 1999. The distribution of 38 species belonging to 22 genera and 10 families is presented. Among these, the genus Brachycercus Curtis, 1834 and the species Brachycercus harrisella Curtis, 1834 are recorded in Turkey for the first time. In addition, previous records on the distribution of all 38 species in Turkey are given.

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An Investigation On Fish Fauna Of The River Mert (Samsun), Selma Uğurlu (Helli̇), Nazmi̇ Polat Jan 2002

An Investigation On Fish Fauna Of The River Mert (Samsun), Selma Uğurlu (Helli̇), Nazmi̇ Polat

Turkish Journal of Zoology

This study was carried out between May 1999 and June 2000 in order to determine the fish species of the River Mert. In total, 244 individuals from different sampling stations were caught by electric shock, scoop nets, fish nets and fishing lines. In this study, 3 species and 2 subspecies were identified as belonging to 3 families (Cyprinidae, Cobitidae, Gobiidae). The systematic characteristics of fish species were explained. These characteristics were then compared with those in previous studies, and keys to identification were also presented.

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The Species Of Tryphoninae (Hymenoptera: Ichneumonidae) In Turkish Thrace, Murat Yurtcan, Ahmet Beyarslan Jan 2002

The Species Of Tryphoninae (Hymenoptera: Ichneumonidae) In Turkish Thrace, Murat Yurtcan, Ahmet Beyarslan

Turkish Journal of Zoology

This study was carried out to investigate the species of the subfamily Tryphoninae (Hymenoptera: Ichneumonidae) in Turkish Thrace between 1992 and 1994. A total of 89 samples were collected from 42 localities and 26 species belonging to 11 genera were determined. Diagnostic keys to the species, subgenera and genera were prepared. In order to distinguish morphological characters that were mentioned in the keys, 31 original figures are given. Of these species, Phytodietus polyzonias (Foerster), Netelia (Prosthodocis) japonicus (Uchida), N. (Bessobates) cristatus (Thomson), N. (Netelia) ocellaris (Thomson), N. (Netelia) rufescens (Tosquinet), Neleges proditor (Gravenhorst), Dyspetes arrogator Heinrich, Ctenochira angulata (Thomson), Exyston …

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Level Of Lactate Dehydrogenase (Ldh) In Resistant And Susceptible Strains Of Culicine Mosquitoes Of The Karachi Region After Treatment With Ddt, Malathion And Cyfluthrin, M. Arshad Azmi, Imtiaz Ahmed, Syed Naim-Ul-Hasan Naqvi, Kahkashan Akhtar Jan 2002

Level Of Lactate Dehydrogenase (Ldh) In Resistant And Susceptible Strains Of Culicine Mosquitoes Of The Karachi Region After Treatment With Ddt, Malathion And Cyfluthrin, M. Arshad Azmi, Imtiaz Ahmed, Syed Naim-Ul-Hasan Naqvi, Kahkashan Akhtar

Turkish Journal of Zoology

The effects of Malathion, Cyfluthrin, and DDT were observed on the activity of lactate dehydrogenase (LDH) in susceptible and resistant strains of culicine mosquitoes. Biochemical estimation (colorimetry) revealed a remarkable increase in the enzyme activity in Culex fatigans (L.Y. strain). In contrast, in Culex fatigans (G.I. strain) and Culex fatigans (K.U strain), inhibition of enzyme activity was found after treatment with pesticides.

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Effects Of Some Antimicrobial Agents On The Total Protein Content Of The Endoparasitoid Pimpla Turionellae L. (Hymenoptera: Ichneumonidae), Kemal Büyükgüzel Jan 2002

Effects Of Some Antimicrobial Agents On The Total Protein Content Of The Endoparasitoid Pimpla Turionellae L. (Hymenoptera: Ichneumonidae), Kemal Büyükgüzel

Turkish Journal of Zoology

The effects of thirteen antimicrobial agents that have different structures and modes of action on the total protein content of pupae of the hymenopterous endoparasitoid, Pimpla turionellae L., were investigated by rearing the larvae aseptically on chemically defined synthetic diets. These effects varied according to the their kind and dietary levels. The protein content of the pupae was significantly increased by penicillin, streptomycin, rifampicin, tetracycline hydrochloride, lincomycin hydrochloride, methyl p-hydroxybenzoate, cycloheximide and sodium benzoate, while it was decreased by nystatin. The other tested antimicrobial agents had no significant effects on the total protein content of the insect. Depending on dietary …

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Effects Of Antimicrobial Agents On The Survival And Development Of Larvae Of Pimpla Turionellae L. (Hymenoptera: Ichneumonidae) Reared On An Artificial Diet, Kemal Büyükgüzel, Şevki̇ Yazgan Jan 2002

Effects Of Antimicrobial Agents On The Survival And Development Of Larvae Of Pimpla Turionellae L. (Hymenoptera: Ichneumonidae) Reared On An Artificial Diet, Kemal Büyükgüzel, Şevki̇ Yazgan

Turkish Journal of Zoology

The effects of 13 antimicrobial agents that have different structures and modes of action, on the survival and development of the hymenopterous endoparasitoid, Pimpla turionellae L., were investigated by rearing the larvae aseptically on chemically defined synthetic diets. These effects varied according to their kind and dietary levels. The agents tested exerted their effects generally during the post-larval development of the insect. The post-larval survival and development were negatively affected by most of the agents tested at certain levels. The antimicrobial agents tested also affected the larval development but had no significant effects on the larval survival of the insect. …

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Effects Of Some Dna Gyrase Inhibitors On The Survival And Development Of Pimpla Turionellae (Hymenoptera: Ichneumonidae) Larvae Reared On An Artificial Diet, Kemal Büyükgüzel Jan 2002

Effects Of Some Dna Gyrase Inhibitors On The Survival And Development Of Pimpla Turionellae (Hymenoptera: Ichneumonidae) Larvae Reared On An Artificial Diet, Kemal Büyükgüzel

Turkish Journal of Zoology

The effects of novobiocin, nalidixic and oxolinic acids, which are potent antibacterial agents, on the survival and development of the hymenopterous endoparasitoid Pimpla turionellae L. were investigated alone by rearing the larvae aseptically on chemically defined synthetic diets. The percentage of fifth instar larvae was not significantly affected by the diets with different levels of the antibiotics used in the study. A diet containing the lowest level of novobiocin significantly increased the yields of pupae and adults. This level also significantly shortened the developmental time for fifth instar, but had no significant effect on the complete development of the larvae …

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Degradation Products Of Adenine Nucleotide In Rainbow Trout (Oncorhynchus Mykiss) Stored In Ice And In Modified Atmosphere Packaging, Yeşi̇m Özoğul, Fati̇h Özoğul Jan 2002

Degradation Products Of Adenine Nucleotide In Rainbow Trout (Oncorhynchus Mykiss) Stored In Ice And In Modified Atmosphere Packaging, Yeşi̇m Özoğul, Fati̇h Özoğul

Turkish Journal of Zoology

The breakdown products of adenosine triphosphate (ATP) were separated using a rapid HPLC method. The K-value, Ki-value and H-value were also determined as a means of evaluating the quality of rainbow trout held in ice and modified atmosphere packaging comparing with sensory and microbiological analysis in terms of fresh fish quality. Results from the present research indicated that modified atmosphere did not extend the shelf life of trout but inhibited microbial growth compared to ice storage. However, there was no significant difference (P>0.05) between the two conditions. K and Ki-values provided a useful freshness index of fish for both …

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Behavioural Abnormalities Of Cyprinion Watsoni On Exposure To Copper And Zinc, Syed Lal Shah Jan 2002

Behavioural Abnormalities Of Cyprinion Watsoni On Exposure To Copper And Zinc, Syed Lal Shah

Turkish Journal of Zoology

Cyprinion watsoni were exposed to three treatments of copper (0.03, 0.06, 0.12 mg/L) and three treatments of zinc (0.5, 3.0, 7.0 mg/L) for a period of one week to allow behavioural changes to be observed. None of the treatments caused mortality. Treatment with 0.03 mg Cu/L caused little change in fish behaviour; however, 0.06 mg Cu/L caused increased swimming activity and breathing movements. The highest treatment of copper (0.12 mg Cu/L) caused lethargy and loss of equilibrium in C. watsoni. Similarly, the lowest concentration of zinc (0.5 mg/L) caused no visible change in fish behaviour; however, with 3.0 mg Zn/L, …

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Detection Of Mutagenic-Carcinogenic Pollutants In Aquatic Systems Using Cytogenetic Methods In Fish, Mehmet Ulupinar, İbrahi̇m Okumuş Jan 2002

Detection Of Mutagenic-Carcinogenic Pollutants In Aquatic Systems Using Cytogenetic Methods In Fish, Mehmet Ulupinar, İbrahi̇m Okumuş

Turkish Journal of Zoology

In this study, the detection of mutagenic-carcinogenic pollutants in water by using cytogenetic methods in fish was examined along with the necessity of sister chromatid exchange (SCE), anaphase aberrations (AA) and micronucleus (MN) tests for chemical analysis in aquatic systems. It has been reported that central mudminnow (Umbra limi) appear to be the most suitable species for such analysis because of its large and fewer chromosomes (2n=22) and high cell division ratio. This species also has a wide distribution, and can be easily captured and held for study. In such analysis, intestines, stomach, kidney and gill tissues stand out as …

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Evaluation Of Methiocarb 50%-Wp As A Taste Repellent Against The House Sparrow (Passer Domesticus L.), Syed Waqar Ali̇ Ri̇zvi̇, Amjad Pervez, Syed Muzaffar Ahmed Jan 2002

Evaluation Of Methiocarb 50%-Wp As A Taste Repellent Against The House Sparrow (Passer Domesticus L.), Syed Waqar Ali̇ Ri̇zvi̇, Amjad Pervez, Syed Muzaffar Ahmed

Turkish Journal of Zoology

Laboratory studies in cages and outdoor aviaries were conducted, using different concentrations of methiocarb 50%-WP to estimate the ideal dose needed to produce taste aversion in the house sparrow (Passer domesticus). Under a nochoice test, sparrows showed a clear difference in millet bait preference among various concentrations. Under choice tests, in cages and outdoor aviaries a clear repellency trend was recorded in both sexes with increases in poison concentration. However, female birds showed a higher repellency pattern than males. It was concluded that methiocarb grain bait at 0.1% proved to be highly effective in repelling sparrows and may function as …

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The Larval Development Of The Spider Crab Menaethiops Nodulosus (Nobili, 1905) (Crustacea, Decapoda, Majidae) Reared In The Laboratory, Farhana Shafiq Ghory, Feroz Akhtar Siddiqui Jan 2002

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 …

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The Ostracoda (Crustacea) Fauna Of Lakes Erikli, Hamam, Mert, Pedina And Saka (İğneada, Kırklareli,Turkey), Okan Köylüoğlu, Erdoğan Usta, M. Teki̇n Babaç Jan 2002

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.

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The Effects Of High Salinity On The Production Of Capoeta Tinca In A Naturally Contaminated River, Fi̇tnat Güler Ekmekçi̇ Jan 2002

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‰, …

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Relative Importance Of Food Items In Feeding Of Chondrostoma Regium Heckel, 1843, And Its Relation With The Time Of Annulus Formation, Aysun Gümüş, Mahmut Yilmaz, Nazmi̇ Polat Jan 2002

Relative Importance Of Food Items In Feeding Of Chondrostoma Regium Heckel, 1843, And Its Relation With The Time Of Annulus Formation, Aysun Gümüş, Mahmut Yilmaz, Nazmi̇ Polat

Turkish Journal of Zoology

In this study, we analyzed the relative importance of food items of Chondrostoma regium Heckel, 1843. A total of 145 individuals were sampled between April 1993 and March 1994 in Suat Uğurlu Dam Lake. Stomach content analysis was used to determine dietary composition. Relative measures of food item quantity were estimated by two different approaches: the Index of Relative Importance (IRI) and the Geometric Index of Importance (GII). The results from these indices were compared and the most reliable way of estimating dietary composition was discussed. Navicula, Cymbella and Synedra were the most frequently consumed organisms. As C. regium mostly …

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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 Jan 2002

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.

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Cladocera And Copepoda (Crustacea) Fauna Of Lake Terkos (Durusu), Hüseyi̇n Güher Jan 2002

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.

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