نتایج جستجو برای: southern caspian
تعداد نتایج: 124061 فیلتر نتایج به سال:
Background and purpose: Heavy metals are non-degradable pollutants that could accumulate in marine animals including fish. The aim of this study was to determine the levels of six heavy metals (Zn, Cu, Ni, Pb, Cd and Hg) in edible tissue of Caspian carp (Cyprinus Carpio). We also studied the bioaccumulation factor (BFA) and target hazard quotients (THQ) of this fish in the southern Iranian Casp...
Environmental hazards such as the destruction of habitats of endemic fish are one of the obvious challenges on the southern shores of the Caspian Sea. This research, which has been written by descriptive-analytical method and using the approach of interdisciplinary research, seeks to examine the strategies of the criminal justice system in this regard and in Guilan province. Degradation, illega...
More than 10,000 Caspian seals (Phoca caspica) were reported dead in the Caspian Sea during spring and summer 2000. We performed necropsies and extensive laboratory analyses on 18 seals, as well as examination of the pattern of strandings and variation in weather in recent years, to identify the cause of mortality and potential contributory factors. The monthly stranding rate in 2000 was up to ...
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