The questions of development of mechanism of co-operation of business, organs of state and municipal administration are examined, nativesmall in numbers people of North at a ground and realization of projects and programs on the industrial mastering of the Frigid zone of RussianFederation. As an instrument of concordance of interests and account of opinion and necessities of native small in numbers people application ofethnologic examination is examined in a management traditional nature management. Description of experience of Republic of Саха (Yakutia) isgiven in area of application of ethnologic examination in a management byprojects. Experience of realization of scientific researches is analysed asevaluated by influence of changes on a native habitat and sociocultural development of native small in numbers people of North in the zone of activity of mining areas Small Kuonamka river with the inflow of Maspaky on territory of municipal district of "Olenek Evenky national district" within the limits of the licensed area in Republic of Sakha (Yakutia). The algorithm research on ethnological expertise of industrial development projects on the territory. Including the sociological and ethnographic studies, assessment of the possible harm to the breach of traditional nature. Formulated scientific and practical recommendations to harmonize the interests of the target groups in the area of traditional nature use.