نتایج جستجو برای: golestan province using systematic classified random sampling method
تعداد نتایج: 4871209 فیلتر نتایج به سال:
The aim of this study was to investigate the relationship between physical and chemical properties of soils with vegetation distribution in Divan-Darre rangeland as one of the most important rangelands in Kurdistan province. For this purpose, a random systematic 150 m × 200 m gird sampling plan was used to establish 90 sampling plots. In each plot, soil factors and percent cover of each plant s...
the purpose of this study was designing predictive model for innovation management in processing and complementary industries of livestock products. the method of research was correlative descriptive. the population of this research was managers in processing and complementary industries of livestock products of khouzestan province (n=486). by stratified random sampling, a random sample (n=125)...
Background and purpose: Prehospital emergency medical service (EMS) is an important part of the health care system. Today, the need for integrated emergency care services and delivering qualified preventive and care services felt more than before in accidents and emergencies. This survey aimed to investigate the views of emergency medical personnel on the concept and nature of preventive and ca...
the purpose of this research was studying relationship between socio- cultural, economical and managerial factors with the participation rate of agricultural cooperative's members in the shirvan chardavol township in the ilam province, iran. the method of this study is descriptive-correlative. a researcher made questionnaire was used as the tool for gathering data. the face and content validity...
this research was conducted with the purpose of analyzing improvement mechanisms of human resource development (hrd) in agriculture faculties. this survey research was descriptive-explanatory. the population of this research consisted of all agricultural faculty members of iran universities (n=1178). data was collected using multi-stage random sampling method. finally, 248 questionnaires were c...
in order to agroecological zoning of current agricultural lands in golestan province for canola cultivation, geographic information system (gis) and analytical hierarchy process (ahp) were used to match the environmental requirements of crop and the land characteristics. the first, agroecological requirements of canola was identify from scientific resources then classified and needed thematic m...
This study was conducted to identify suitable sites for planting Avicennia marina in Soltani Khore of the urban coast of Bushehr. The most effective criteria for Avicennia marina planting include land characteristics (i.e. land use, slope, elevation, soil electrical conductivity, soil texture, and soil type), seawater (i.e. tidal range, wave, acidity, electrical conductivity, and salinity), and...
in order to evaluate capability of the landsat-etm and irs-p6-liss iv images for canopy cover mapping a case study was done on the forests of javanroud in kermanshah province. after evaluation of the geometric and radiometric quality of the data, the etm+ images, the etm+ images were geometrically corrected with gcps and the images were registered with rmse error 0.46 and 0.48 pixels, for x and...
Vegetation is the most important factor influencing the sustainability of rangeland ecosystems. Therefore, it is important to understand the environmental factors and their effect on vegetation and restoration of rangeland ecosystems. The aim of this study was to identify factors influencing on Gundelia tournefortii L. distribution. Accordingly, the information of Gundelia tournefortii L. was d...
We propose a method using a combination of ArcView and a GPS to accurately and effectively create and locate random sample points over large research areas. We also present a preliminary public health case study which used this method to locate sample sites in a rural area of Limpopo Province, South Africa. Both health and vegetation surveys were carried out at these sites. Although similar tec...
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