abstract collection and identification snails of dez river in khuzestan province in iran has been investigated in 2012-2013. for the first time, 29 snail species are identified in dez river in khuzestan, which they belong to 15 genera from 10 families identification was done according to morphometric characters including shape, size of shell, dextral and sinistral position of the shell, opercul...

Renewable water resources are crucial production variables in arid and semi-arid regions where intensive agriculture is practiced to meet ever-increasing demand for food and fiber. This is crucial for the Dez and Moghan command areas where water delivery problems and adverse environmental issues are widespread. This paper aims to identify major problems areas using on-farm surveys of 200 farmer...

The environmental requirement of the river is the amount of water to maintain natural ecological conditions and health of quality of the river water. In this study, to estimate the environmental water requirement of Karoun River, Dez, Great Karoun and Beheshtabad sub-basin (upper Karoun) using hydrological Montana method and offers based on frequency analysis of hydrological flow normally and u...

The objective of the present study was to characterize the knowledge and use of computational resources by nursing undergraduates of a public university. A quantitative study was conducted with 123 nursing students (45 in the 1 term of the course, 35 in the 5 term, and 43 in the 9 term). Data were processed using the software package Statistical Package for the Social Sciences (SPSS), and Pears...

Karkheh river is located in southwestern of Iran. Industrial and agricultural activities around the river contaminate it through its path. Water quality modeling from upstream of Shoosh city to downstream was simulated by QUAL2K model. In this study, we investigated how best to manage the quality of Karkheh river to be done. Nine parameters including BOD, COD, DO, PH, turbidity, nitrate, phosph...

this study aims to measure the amount of heavy metal lead in the effluent haft tapeh and compare it with dez river in winter 2010 and spring 2011. first nine water samples using a rope marked at the desired depth within the sampling depth of effluent technology cultured in three stations in haft tapaeh. hence measuring the concentration of heavy elements using graphite furnace method and atomic...