Table 7. Extend of areas by forest type in Group I forests (protective functions) managed by MNR and defined by age class (by the year 1988)

Major forest forming species	Lands covered with forest vegetation
	Total, ha / %	Age groups
		Young growth		Middle-aged	Maturing	Mature and overmature
		Class 1	Class 2
Pine	22438.1 / 16.7	1945.5	2940.5	8318.4	2391.7	6842.0
Spruce	20150.7 / 15.0	683.3	499.9	2751.7	2213.8	14002.0
Fir	2751.1 / 2.1	54.4	81.0	880.4	635.6	1099.7
Larch	29877.7 / 22.3	1137.3	1987.5	7394.0	2845.0	16513.9
Siberian pine	12223.4 / 9.1	430.9	735.1	5696.0	3124.3	2237.1
Total for conifers	87441.0 / 65.2	4251.4	6244	25040.5	11210.4	40694.7
Oak (seedling origin)	1980.0 / 1.5	141.3	339.3	983.3	222.7	293.4
Oak (coppice origin)	2097.6 / 1.6	64.0	97.0	1138.1	350.7	447.8
Beech	665.7 / 0.5	13.0	29.1	308.9	85.2	229.5
Hornbeam	230.7 / 0.2	3.7	7.8	142.7	23.4	53.1
Ash	327.1 / 0.2	23.6	40.6	134.0	43.9	85.0
Maple	130.5 / 0.1	11.6	24.0	57.5	9.2	28.2
Elm	239.7 / 0.2	10.8	28.8	81.9	32.0	86.2
Stone birch	1688.7 / 1.3	28.1	75.6	185.7	140.6	1258.7
Saxaul	1.3 / 0.0	0.2	0.1	0.3	0.4	0.3
Bastard acacia	47.0 / 0.0	10.9	10.4	17.4	4.6	3.7
Total for hardwooded	7408.3 / 5.6	307.2	652.7	3049.8	912.7	2485.9
Birch	18694.8 / 13.9	791.6	1142.7	8540.7	2588.8	5631.0
Aspen	4045.8 / 3.0	337.2	293.1	960.5	571.3	1883.7
Gray alder	452.5 / 0.3	16.3	25.8	194.5	111.0	104.9
Black alder	450.6 / 0.3	26.0	42.0	224.5	67.8	90.3
Linden	988.8 / 0.7	45.4	63.0	527.0	137.3	216.1
Poplar	790.4 / 0.6	17.7	27.2	169.5	90.8	485.2
Willows arbuscular	764.3 / 0.6	36.4	92.5	341.9	88.6	204.9
Total for softwooded	26187.2 / 19.5	1270.6	1686.3	10958.6	3655.6	8616.1
Other tree species	313.2 / 0.2	19.4	19.8	214.6	16.9	42.5
Dwarf Siberian pine	4984.1 / 3.7	44.0	309.0	2865.6	755.5	1010.0
Other shrubs	7791.5 / 5.8	72.0	2563.0	3772.7	400.8	983.0
Total: ha %	134125.3 100.0	5964.6 4.4	11474.8 8.6	45901.8 34.2	16951.9 12.6	53832.2 40.1