An analysis is made of the decline in the quality of life of the population in municipal districts of East Siberia under conditions of climatic and socioeconomic discomfort. The study revealed a correlation between the low subsistence level of the northern territories and the increase in the ratio of mortality/birthrate indices. We suggest a technique for calculating the subsistence level having regard to the degree of climatic discomfort and the poor transport infrastructure.

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The paper considers the transformation of social guarantees by the example of statutory subsistence minimum in the Republic of Sakha (Yakutia). It was revealed that the rate of decline subsistence minimum compared to climatically the less severe territories contributed to the aggravation of problems of social security. The structure of dynamics of the purchasing power of the population's wages, both at the level of municipalities and for the main economic activities, shows social vulnerability of a person with the increase in climate discomfort that causes a decline in living standards and an increase in the migration mobility of the population.

Outbreaks of defoliating insects constantly emerge and spread in the heavily forested Baikal region. Biological control is the approach of choice in pest management, and red wood ants are used to control defoliating insects at their outbreak sites. The purpose of the present paper is to choose the forest plots with complexes of red wood ant nests in the Baikal region and to estimate the level of protection of these plots from defoliating insects using hybrid geoinformation system (GIS). The Institute for System Dynamics and Control Theory SB RAS geoportal (http://geos.icc.ru) is the hybrid GIS. During fieldwork, 101 nests of F. aquilonia Yarr. and 20 nests of F. lugubris Zett. were found. One hundred and two nests (88 F. aquilonia nests and 14 F. lugubris nests) formed nest complexes and were located on 18 forest plots. Two parameters were used to estimate protection level of forest plots from defoliating insects: the average number of nests per 1 hectare (settlement density) and the total area of dome bases of all anthills located on 1 hectare (power of the nest complex). The research revealed that only four forest plots (“Uzury”, “Khalgay”, “Onguren_2”, and “Onguren_3”), situated in the mountain taiga pine landscape, were protected from defoliating insects (settlement density ≥5 nests/ha and power of nest complex >6 m2/ha). Besides, the complex of nests in the “Onguren_2” forest plot can be a source for capture of filial nests. The “Arshan_2” forest plot, situated in the mountain taiga dark coniferous landscape of reduced development, had the lowest density of settlements of ants (less than two nests per hectare). The state-of-the-art hybrid GIS is a tool that can be used to quickly and efficiently discover and analyze the spatial distribution of settlements of red wood ants