نتایج جستجو برای: the gomishan site

تعداد نتایج: 16085178  

Arezou Sharifi Hamid Niknahad Gharmakher, Isa Jafari Foutami

 In recent years, rangelands have been regarded as potential carbon sinks. One of the most widely suggested options to sequester more C in rangelands is the restoration of the degraded rangelands through grazing the exclusion. In present study, the effects of exclusion on the carbon sequestration of Gomishan rangelands were investigated. Three transects were established in a key area inside and...

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 ...

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1389

here, we report analysis of in vitro and in vivo drug release from an in situ formulation consisting of triamcinolone acetonide (tr) and poly(d,l-lactide-co-glycolide) (plga) and the additives glycofurol and hydroxyapatite nanoparticles (ha). we found that these additives enhanced drug release rate. we used the taguchi method to predict optimum formulation variables to minimise the initial burs...

2002
Rick Cummings

Normally, the reporting of an evaluation study would commence with a detailed description of the project being evaluated in order to ensure there is a common understanding of the project and to provide an appropriate context for the remainder of the evaluation report. However, in this case, a comprehensive description of the project has already been provided in the preceding chapter. Furthermor...

Journal: :international journal of aquatic biology 0
melika ghelichpour ali shabani bahare shabanpour

common carp ( cyprinus carpio ) population has been declined in the caspian sea in the recent years, mainly due to human manipulation. this valuable species needs to be protected in the caspian sea. considering the commercial value of common carp, its rehabilitation program has been established. in the present study, 8 microsatellite loci were used to assess genetic variation and population str...

Journal: :مطالعات باستان شناسی 0
هادی صبوری دانش آموختۀ کارشناسی ارشد باستان شناسی دانشگاه تهران حسن طلایی استاد گروه باستان شناسی دانشگاه تهران عمران گاراژیان استادیار گروه باستان شناسی دانشگاه نیشابور

the analysis of natural and cultural factors in the contexts of an archeological site would reveal the processes constituting the event of settlement after the formation of cultural layers. in other words with the study of cultural processes, we seek the information and patterns which cause formation, shaping, and unevenness of the site to its present shape. in this regard, the initial studies ...

  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...

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