نتایج جستجو برای: e anzali
تعداد نتایج: 1017230 فیلتر نتایج به سال:
Measuring salinity of water at different depths along six transacts at the mouth of the wetland and along five tributaries connecting the wetland to the sea the extent of Caspian Sea penetration into Anzali Wetland was determined. The results demonstrated a depth-dependent salinity gradient extending up to 10 kilometres into the wetland. A pattern of saltwater and freshwater interface is presen...
following an outbreak of fascioliasis in anzali harbor in 1988, 452 blood samples were collected using a multistage sampling method for hematological and serological studies. after determination of eosinophilia in the samples, antifasciolia antibodies in the sera were also determined using enzyme linked immuno sorbant assay (elisa) and counter-current immuno electrophoresis (ccie). 64.2% of the...
this study was conducted in order to investigate genetic diversity and population structure of pike-perch in the northern part of iran. for this purpose, 207 adult pike-perches from four regions of the caspian sea watershed (talesh coasts, anzali wetland, chaboksar coasts and aras dam) were collected. dna was extracted and by using 15 pairs of microsatellite primers, polymerase chain reaction (...
plant-based remediation (i.e. phytoremediation) is one of the most significant eco-sustainable techniques to cope with devastating consequences of pollutants. in the present study, the potential of a wetland macrophyt (i.e. potamogeton crispus ) for the phytoremediation of heavy metals (i.e. cu, cr, pb, as and cd) in the anzali wetland was evaluated. the results showed that p. crispus tends to ...
there are two approaches regarding environmental changes. one of the is ignoring them and continuing present trend in future, and the other is identifying these changes and preparing environmental management program in order to control their negative impacts and plan for the improvement of environmental condition. anzali international wetland is one of the protected wetlands in iran which is in...
plant pollution from lead produced by automobile exhaust system near 'certain high ways of iran
plants polluted with pb produced by automobiles along the roads and highways have extensively been reported all over the world. it is the most important source of pollution in the environment. this research was carried out to determine the polluting degree of plants along the highways such as: rasht-anzaly, kelachay-ramsar, tehran-karaj, and isfahan-tehran. at each arbitrary point, a transect 1...
The Caspian Sea (CS), biggest inland water worldwide has experienced around 3 m oscillation in sea level during the 20th century. These rapid fluctuations have had a great impact on coastal habitat this sea. Therefore, study is aimed to investigate long-term changes of western part shoreline and Anzali lagoon their dynamic responses fluctuation using time series analysis remotely sensed data ov...
Internal audit is a process affected by an entity ‘s board of directors, management and other personnel, designed to provide reasonable assurance regarding the achievement of objectives relating to operations, reporting and compliance. This definition reflects certain fundamental concepts. Internal control is: • Geared to achievement of objectives in one or more categories operations, reporti...
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