Table 18. The development of land area and the percentage of forests damaged by unfavorable impacts, ha (land under the Ministry of Natural Resources)

 

Indices

Year of account

1978

1983

1988

1993

1998

2001

Forest area burnt by fires

143042

137562

675427

708505

2450996

869183

Outbreaks of coniferous insects

1174391

261031

379545

198527

358738

7274290

Outbreaks of leaf insects

2141743

1196085

880116

1045459

1084122

1224560

Outbreaks of other pests

886482

253714

172415

184089

381484

800941

Outbreaks of the diseases

228728

63918

83619

239141

852839

1091993

Total :

Area, ha

 

4574386

1912310

2191122

2375721

5128179

11260967

Share, % of the land area covered with forest vegetation

0.70

0.29

0.32

0.34

0.71

1.56