Purpose:to determine effectiveness of Yoga means' implementation in students' physical education programs. Material:in experiment 85 2nd year students participated, who were divided in control group (CG, n=43, 15 boys and 28 girls) and experimental group (EG, n=42, 17 boys and 25 girls). Their calendar age was 18-19 years. By state of health all students were in main health group (without health problems). The researches were carried out during one academic semester and implied finding and comparing of students' biological age. Results:by results of medical examination we registered 22 years as minimal biological age and 55 years as maximal. We found no students, whose biological age would correspond to calendar age. It was also found that systemic practicing of Yoga permits to keep proper level of students' health and increase their interest to physical exercises' practicing. It was proved that application of Yoga means approached students' biological age to calendar one. Conclusions:introduction of Yoga complexes in physical education program will permit to sustain and improve students' biological indicators and positively influence on their health.

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Planning an ecological network requires special attention to the functionality of the created elements. Thus, in the case of the Vinnytsia Regional Ecological Network (REN), protection and restoration of typical landscape complexes are needed. The structure of the ecological network is branched, but heterogeneous; it is potentially capable of expansion and optimization. As the development of the REN of the Vinnytsia region is based on objects and territories of the Nature Reserve Fund (NRF), the structural and functional optimization of the eco-network requires optimization of the structure of the NRF. The purpose of the research is to study the spatial structure of the ecological network for the functional completeness and the effectiveness of ensuring the conservation of biodiversity. This paper analyses the structure and functions of the Vinnytsia REN, demonstrates dynamics of the formation of the NRF network and the distribution of protected objects among administrative regions, and proposes ways for its optimization. The results showed the necessity of a revision of the current structure and creation of new zoological and landscape reserves in order to improve the functional efficiency of the network. The results suggest paying more attention to providing multifunctionality to eco-network elements, as well as avoiding the creation of island objects.