نتایج جستجو برای: gomishan
تعداد نتایج: 54 فیلتر نتایج به سال:
abstractthe monitoring of the management of vannamei shrimp farms in the gomishan shrimp site in the best way and to its development. the objectives of the project were the calculation of growth indices, food conversion ratio.the final production of vannamei, benefit-cost or gross benefit of each farm.this study carried out in in 1391( 2012 ).data collection done through questionaries personall...
The Caspian kutum, Rutilus kutum Kamenskii, 1901 from Cyprinidae family is native in the Caspian Sea, with the highest distribution in the southern part and rarely seen in the northern and is an economically important species along the Caspian Sea. Despite this, knowledge about stock structure is scarce and there is no formal management strategy to ensure the long-term sustainability of this va...
The bony fishes of the Caspian Sea are the species whose reserves are decreasing due to Pollution, habitat destruction, exploitation and illegal fishing. Regarding the extent of illegal fishing in Golestan province and lack of sufficient studies in this regard, this study examines the changes in illegal fishing and identifies the factors involved in its occurrence. Using descriptive-analytical ...
Grey mullet, Mugil cephalus L. is an marine teleost suitable for culture in brackish water. To date, very few report on artificial propagation of grey mullet has ever been recorded and still seed stocking relies on wild recruitment. This paper describe the technique of controlled ovarian maturation and artificial spawning in this fish species. The brood stocks were obtained from cultured mature...
Pseudomonas salegens sp. nov., a halophilic member of the genus Pseudomonas isolated from a wetland.
A novel Gram-stain-negative, aerobic, non-endospore-forming, non-pigmented, rod-shaped, slightly halophilic bacterium, designated GBPy5(T), was isolated from aquatic plants of the Gomishan wetland, Iran. Cells of strain GBPy5(T) were motile. Growth occurred with between 1 and 10% (w/v) NaCl and the isolate grew optimally with 3% (w/v) NaCl. The optimum pH and temperature for growth of the strai...
Abstract Background and Objective: Given the Leishmaniasis is endemic in Turkmen Sahra, we aimed to study the contamination of rodents with this disease. Material and Methods: Seventy-three rodents were collected from three regions (Gonbad, Gomishan and Bandar Turkmen) using live traps. In laboratory, morphometric characteristics were measured and for diagnosis of Leishmaniasis CL, the ...
The aim of this study was to investigate the effect of using a SHAD virtual education program on teachers chr('39')efficiency and studentschr('39') learning Improvement. The research is applied in terms of purpose and the research method is quasi-experimental with a control and experimental group. The statistical population includes the fifth grade elementary school female students of Gomishan ...
The aim of this study was to investigate the effect of using a SHAD virtual education program on teachers chr('39')efficiency and studentschr('39') learning Improvement. The research is applied in terms of purpose and the research method is quasi-experimental with a control and experimental group. The statistical population includes the fifth grade elementary school female students of Gomishan ...
Background and Amis: Urban-rural links play an important role in the local economy and the livelihoods of the inhabitants of rural settlements so it is imperative to study more closely these links, their performances, their spatial-regional planning, and the "local network" approach in the scale of the district and the rural system. Like an efficient approach, the local network can cause func...
Background and purpose: Fish Consumption Guidelines have been established by some countries to guard the public from the potentially harmful health effects related to eating contaminated fish. Guidelines are according to estimations of the health risks linked to concentrations of contaminating chemicals found in fish, and the mean levels of consumption of fish in general population. Fish is an ...
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