ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2018, Vol. 15, No. 3, pp. 114-126

Estimation of forest cover changes during modern period in the south of the Central Russian Upland using multiyear remote sensing data

E.A. Terekhin 1 , Yu.G. Chendev 1 
1 Belgorod State National Research University, Belgorod, Russia
Accepted: 11.04.2018
DOI: 10.21046/2070-7401-2018-15-3-114-126
Modern reforestations in the south of Central Russian Upland were studied using multiyear satellite images of high spatial resolution. The study was carried out in 3 key areas (total area of 886 km2) located on the territory of the Belgorod region. Dynamic of forest cover change was studied during 1970–2014. The increase in forest cover for the forest-steppe and the northern steppe was established. In the forest-steppe western key area, the forest cover increased from 9.4 to 15.1 %, in the forest-steppe eastern key area — from 22.3 to 27.5 %, in the steppe key area — from 2.9 to 5.9 %. A statistically significant decrease in the infrared reflectance of the territory, due to the increase in the area of forest cover, was identified using multiyear Landsat TM images. The growth of ravines by forest, the appearance of groups of trees near forest tracts and the widening of forest boundaries are the reasons for the increase in forest cover. The increase in the number of forest tracts occurred at each of the key areas. At the same time, their average area decreased, mainly due to the appearance of small forest tracts. Thus, an increase in the mosaic of forest-covered lands of the region is observed. For forest-steppe conditions, the speed of linear increments of forest tracts was higher than in the north of the steppe zone — 4.6 m/10 years and 3.4 m/10 years, respectively. There were no significant differences in the speed of linear growth of forest tracts on the slopes of the northern and southern exposures.
Keywords: forest, forest cover percent, Central Russian Upland, satellite imagery, dynamics, Landsat
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