| Actual forest area | Forest distribution in 1986 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Forest-size class | 1 | 2 | 3 | 4 | Sum | 1 | 2 | 3 | 4 | Sum |
Steppe-dominated area | Â | |||||||||
 Interior | 68,892 | 398,195 | 474,487 | 132,398 | 1,073,972 | 81,348 | 428,835 | 505,209 | 143,948 | 1,159,341 |
 Edge | 149,217 | 191,236 | 130,499 | 31,053 | 502,005 | 138,668 | 251,237 | 118,171 | 25,152 | 533,229 |
 Sum | 218,109 | 589,431 | 604,986 | 163,450 | 1,575,976 | 220,016 | 680,073 | 623,380 | 169,100 | 1,692,569 |
Forest-dominated area | Â | |||||||||
 Interior | 277,732 | 1,809,560 | 3,177,481 | 8,000,534 | 13,265,306 | 304,883 | 1,909,714 | 2,664,408 | 11,020,218 | 15,899,224 |
 Edge | 718,971 | 815,498 | 754,423 | 1,977,866 | 4,266,758 | 530,041 | 653,229 | 548,092 | 1,941,327 | 3,672,689 |
 Sum | 996,703 | 2,625,058 | 3,931,904 | 9,978,400 | 17,532,064 | 834,925 | 2,562,943 | 3,212,500 | 12,961,545 | 19,571,913 |
High-mountain area | Â | |||||||||
 Interior | 37,963 | 163,881 | 141,084 | 0 | 342,928 | 82,118 | 648,002 | 1,448,389 | 8,922,284 | 11,100,793 |
 Edge | 215,657 | 104,498 | 39,519 | 0 | 359,674 | 176,719 | 247,038 | 353,449 | 1,723,920 | 2,501,126 |
 Sum | 253,620 | 268,379 | 180,603 | 0 | 702,602 | 258,837 | 895,041 | 1,801,838 | 10,646,204 | 13,601,919 |
Alluvial forest | Â | Â | Â | 350,149 | Â | Â | Â | 353,095 | ||
Total sum | Â | Â | Â | Â | 20,160,791 | Â | Â | Â | Â | 35,219,497 |
Comparison of tree biomass | Â | |||||||||
 Sum 1986 | 1,313,778 | 4,138,056 | 5,637,718 | 23,776,849 | 34,866,401 |  | ||||
 Sum 2018 | 1,468,432 | 3,482,868 | 4,717,493 | 10,141,850 | 19,810,642 |  | ||||
 Loss by fire | − 154,655 | 655,189 | 920,225 | 13,634,999 | 15,055,759 |  | ||||
 Percentage (%) | −11.8 | 15.8 | 16.3 | 57.3 | 43.2 |  |