The article examines some aspects of the functioning of a regional food supply system, identifies the level of self-sufficiency of subjects of the Russian Federation located in the Baikal region, the main foodstuffs, and the need for the development of interregional food ties. We have made an analysis of tendencies of development of regional agro-industrial complex and substantiated expediency of an inter-regional agro-ecological cluster in the Baikal region, specializing in organic livestock, capable of functioning effectively in the face of environmental constraints imposed in connection with the need to protect Lake Baikal. Baikal region is studied as a unified socio-ecological system in need of strengthening and deepening of interregional connections, one of promising areas of development of which is the agricultural sector, which brings synergistic socio-ecological and economic effect in the formation of agricultural clusters.
Keywords: agro-industrial complex, clusters, agro-ecological cluster, sustainable development of the Baikal region, synergistic socio-ecological and economic effect, organic livestock, food supply, self-sufficiency level, interregional communications
II. LITERATURE REVIEW AND METHODSThe first studies of the relationship between cluster development and competitiveness appeared in the United