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P. Kovácsová, M. Antalová: PRECISION FORESTRY – DEFINITION AND TECHNOLOGIES Šumarski list br. 11–12, CXXXIV (2010), 603-611 compaction of soil and water supply as sedimentation, ditchwater. New information and knowledge have significant function in protecting rare ecosystem, parts of county as aquatic and wildlife habitats. After perusing certain number of scientific material from conferences about precision forestry there was an explanatory diagram made showing the processes of precision forestry. 3. CONCLUSION – Zaključak The term Precision Forestry is very debatable among researchers and variable definitions of Precision forestry depend on individual interpretation and understanding. The specific definition of the term precision forestry does not exist, while individual experts explain this term differently, but the principle of term remains essentially the same. In our opinion, the concept of “precision forestry” is that the use of modern tools and techniques to get as much real information as it is possible to improve decision making process and to ensure that current targets of forest management are met. Precision forestry tools will help to make future operation more economically viable and to satisfy public and environment demands. This is important for sustainable management of forest and renewable resources. By idea of precision forestry we are able to improve productivity of forest, long-term planning, global and crop inventory, planning of road network (hauling road, skid trail), sustainable utilization of renewable resources and reducing negative environmental consequences. Integration of precision forestry into Slovak forest management will have important meaning in the future. Quick progress of precision forestry aims to make technologies and accurate data accessible both to forest enterprise and to public. Additionally, every deficiency of forest management can be reduced or completely removed. This new direction of “Precision forestry” will bring modernization into not only Slovak silviculture. In Technical University in Zvolen in Slovakia there were created Decision support system for Forest Fire Risk Assessment and for Optimal Harvesting Technology Selection (used EMDS) and Growth simulator SYBILA. This work was supported by the Scientific Grand Agency of the Ministry of Education of the Slovak republic and the Academy of Sciences under the contract No. VEGA 1/0764/10 and by the Agency of Education for EU Structural Funds of the Ministry Education of the Slovak republic. REFERENCES – Literatura Dyck, B. (2001). Precision forestry – The path to increased profitability. Proceedings of the first international precision forestry cooperative symposium, (s. 4–8). Washington. Fabrika, M., Střelcová, K., & Ditmarová, Ľ. (2008). Tree growth simulator as a tool for tree transpiration modeling depending on climatic parameters. Air Pollution and Climate Change at Contrasting Altitude and Latitude. 23rd IUFRO Conference for specialists in air pollution and climate change effects on forest ecosystems, (s. 137). Murten, Switzeland. Katsch, C. (2006). Precision forestry and information- Information Management a forgotten task? –. Symposium Proceedings IUFRO Precision Forestry Symposium, (s. 175–186). Stellenbosch. http://academic.sun.ac.za/forestry/precision/ iufro2006.html Khali, A. H. (2001). Remote sensing, GIS and GPS as tool to support precision forestry practice in Malaysia. Paper presented at the 22nd Asian Conference on Remote sensing. Singapore. www.crisp.nus.edu.sg/~acrs2001/pdf/276HAM ZA.PDF Kovácsová, P. (2009). Precision forestry and its tools. Forum of Young Geoinformatics 2009, Technical University in Zvolen, ISBN 978-80228- 2073-8. Leininger, T., Schmoldt, D., & Tainer, F. (2001). Using ultrasound to detect defects in trees: Current knowledge and future needs. Proceedings of the first international precision forestry cooperative symposium, (s. 99–106). Washington. Li, W., Xiao, B., & Li, Y. (2000). Applications of RS, GPS and GIS to Forest Management in China. Journal of Forestry Research , (s. 69–71.) www.springerlink.com/index/M486U51X03774 63T.pdf Martinić, I., Hengl, T., Jurišić, M., Husnjak, S., 2001: Satellite navigation (GPS) – Trends and application, Strojarstvo, 43, (1–3): 49–56 Rapant, P. (2002). Družicové polohové systémy. Ostrava, s. 202, ISBN 80-248-0124-8. Rasher, M. (2001). The use GPS and mobile mapping for decision-based precision agriculture. Workshop on the use of GNSS jointly organized by UN/USA/Malaysia. Kuala Lumpur. www.gisdevelopment.net/application/agriculture/ overview/agrio0011.htm Rayner, T., Grams, W., & Scheinman, E. (2001). An automated log grading system based |