Formation of the Arctic Ethno-Economic Cluster as a Condition for Sustainable (Ecological and Ethno-Preserving) Development of the Region (On the Example of the Arctic Territories of the Krasnoyarsk Krai) Journal title: Arctic and North Authors: Bryukhanova E.A., Nagaeva O.S., Shishatsky N.G. Subject(s): Economics, Social Sciences, Political Science