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...

the geopolitically important basin of the mazandaran sea found its new identity after the collapse of the soviet :union: as an active region with specific functions. the power vacuum arising from the collapse of the soviet :union: and presence of huge energy resources attracted the attention of trans-regional powers and flow of big investment companies to the region. regional developments are a...

due to the location of a domestic, industrial and agricultural zone near the caspian sea, this water body has long been under pressure and environmental threat. as a result of development of oil production activities in caspian region, such as oil exploration and extraction, a large volume of oil related pollutants is released annually into this important water body. considering the fact that h...

Phylogenetic analysis and assessment of the species status of mostly isolated populations of Pholidoptera frivaldszkyi in south-western Russia occurring far beyond the accepted area of the species distribution in the Carpathian-Balkan region were performed. Using the mitochondrial DNA cytochrome c oxidase subunit I gene fragment, we found a very low level of genetic diversity in these populatio...

this paper presents a total of 11 known crustacean parasite species from 51 host species belonging to 7 families, with 17 genera reported from cultured and wild fishes in three faunal regions of iran. among them, one belonging to branchiura order, namely argulus foliaceus, was found on capoeta capoeta in makoo reservoir as well as on cyprinus carpio, chalcalburnus sp., hypophthalmichthys molitr...

In the study of history Soviet camps, there are still serious gaps; in particular, no works that reveal creation and functioning camp system Caspian region. This fills gap historiography provides answers to topical issues location some units, reasons, goals, objectives conditions for operation com-plex Kazakhstan region Sea. The source base is documents from fund Main Directorate Camps Places I...

We describe here the first fossil otoliths from the Middle Miocene (Badenian and Sarmatian) of Belgrade, Serbia. They were obtained from Lower Badenian outcrops at Slanci and from upper Badenian and Sarmatian sediments recovered from four shallow wells near the village of Barajevo. The otoliths from the Lower Badenian of Slanci represent fishes typical for an open marine environment, characteri...

The article identifies the main areas of cooperation between Russia and Kazakhstan in Caspian Sea region. As most promising, we see fuel energy industry, military humanitarian science higher education. Yet, now has to compete with Turkey China for influence region, as tends promote multi-vector foreign policy. Moreover, US EU share a strong determination keep Kazakhstan’s industry under their t...