COMPARATIVE ANALYSIS OF FOREST FIRE FREQUENCY INDEX IN NOVOSIBIRSK, KEMEROVO AND TOMSK REIONS FOR THE PERIOD FROM 1987 TO 2013

The paper analyzes forest fire frequency index in Novosibirsk region in 1987–2012 as compared to the forest fire frequency index in Tomsk and Kemerovo regions. These indexes were compared with weather conditions (temperature, rainfalls). Maximal FFI were identified in Novosibirsk region in the years 1992, 1991, 1989, 1997, 2004, they being the most non-fire-rated. Over the period involved, the area of forest fires varied from 0.16 to 174.44 tsnd. ha. 7747 forest fires arose in the area of 705.213 tsnd. ha. Tomsk forest FFI was also examined and the data were 8646 forest fires covering the area 876.95 tsnd.ha. The area of forest fires varied in different years from 0.82 to 474.36 tsnd. ha. In Kemerovo region there were 3907 forest fires in the area 20.94 tsnd. ha for the period from 1987 to 2012. The tendencies presented regarding climatic conditions in vegetation periods of the years 1987–2012 and analysis of the certain weather conditions in 2012–2013 determine weather dramatic fluctuations and contribute to arising fire-hazardous situations, but they are far from being a determining factor. The impact of anthropogenic factor is also considered. In Kemerovo region the density of population is maximal, but there are no drastic variations in the FFI areas associated with weather conditions. Only 0.2% of the regional area was under fire, which is 20 times as little as the area exposed to fire in Novosibirsk region and 14 times as little as that in Tomsk region. The number and are of forest fires depend, first and foremost, on the due and thorough organization of forest conservation services.

fire frequency index, forest, fire frequency index (FFI), forest conservation, weather conditions, human factor, forest fires, afforestation

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