The ‘Route from the Varangians to the Greeks’: truth or fiction
... who draw on chronicles, archive materials and literary sources. Although relevant geographical studies focus on small territories and have a limited scope, only they can give a definitive answer to the question of whether it was possible to sail the rivers of the East European Plain between the Baltic and Black Seas in the 8th-11th centuries AD. Of particular importance are studies on the watersheds marking the principal legs of the route. If the watersheds were traversable, the ‘route from the ...
Mercury content in fish caught in the Northern Dvina below a pulp and paper mill
Subarctic Russian rivers tend to have swampy watersheds with a high content of hydrogen ions and humic substances. These conditions are favourable for the formation of bioavailable mercury. Thus, even background mercury concentrations can pose a danger to aquatic organisms....
