current research in order to identify neo tectonic activity of the ziyarat basin has been made on the northern slopes of the eastern alborz in south-gorgan and using the index of morpho tectonic and tectonic evidence in the area. in this regard, the 6 morphological parameters were calculated and the results are analyzed. the overall results of these features, as indicators of the relative activ...

This memo addresses the general prospects for Russia's policy in the Caspian Sea, particularly in light of the ongoing financial crisis and domestic political turmoil. After touching on uncertainties regarding the Caspian's significance as a source of hydrocarbon reserves, I will consider Russia's evolving policy preferences and diplomatic relations, environmental issues, and the broader politi...

The identification and risk assessment of potential biological invaders would provide valuable criteria for the allocation of resources toward the detection and control of invasion threats. Yet, freshwater biologists have made few attempts at predicting potential invaders, apparently because such efforts are perceived to be costly and futile. We describe some simple, low-cost empirical approach...

A new Ponto-Caspian species of the genus Echinogammarus Stebbing, 1899 (Amphipoda: Gammaridae), E. mazestiensis sp. n., is described from estuary Mazesta River, Sochi Area, southwestern Caucasus. The can be clearly separated related ischnus (Stebbing, 1899) and trichiatus (Martynov, 1932) by a significantly smaller size mature specimens various morphological features. Molecular genetic analysis...