The productivity of oak stands in the Tsumanska Pushcha of Kivertsi National Natural Park

Group age, years	General area, ha	Actual volume on the whole square, thousand m³	Average actual volume, m³ha⁻¹	Average actual increment, m³ha⁻¹	The existing typological standard		Potential volume, thousand m³	The use of typological potential, %
Group age, years	General area, ha	Actual volume on the whole square, thousand m³	Average actual volume, m³ha⁻¹	Average actual increment, m³ha⁻¹	average increment, m³ha⁻¹	volume, m³ha⁻¹	Potential volume, thousand m³	The use of typological potential, %
6–10	328.3	2.2	7	0.7	2.5	25	8.2	27
11–20	517.1	24.8	48	3.2	3.3	50	25.9	96
21–30	831.8	72.3	87	3.5	3.6	90	74.9	97
31–40	819.4	112.0	137	3.9	4.0	140	114.7	98
41–50	658.6	119.3	181	4.0	4.2	187	123.2	97
51–60	1,164.1	299.2	257	4.7	4.2	230	267.7	112
61–70	1,053.6	295.0	280	4.3	4.2	270	284.5	104
71–80	360.7	115.0	319	4.3	4.1	306	110.4	104
81–90	276.5	105.6	382	4.5	4.0	340	94.0	112
91–100	174.7	55.0	315	3.3	3.9	369	64.5	85
101–110	160.4	49.8	310	3.0	3.8	394	63.2	79
111–120	107.3	35.4	330	2.9	3.6	416	44.6	79
121–140	153.0	45.0	294	2.3	3.5	435	66.6	68
141–160	252.9	68.1	269	1.8	3.3	451	114.1	60
161–180	411.2	125.6	305	1.8	3.1	464	190.8	66
181– to >	233.9	73.4	314	1.7	2.9	462	108.1	68
Average	–	–	213	3.9	3.6	285	–	91
Total	7,503.5	1 597.7	–	–	–	–	1,755.4	–

Table 2.

The actual and potential productivity of fresh hornbeam-oak-pine fairly fertile site type stands

Group age, years	General area, ha	Actual volume on the whole square, thousand m³	Average actual volume, m³ha⁻¹	Average actual increment, m³ha⁻¹	The existing typological standard		Potential volume, thousand m³	The use of typological potential, %
Group age, years	General area, ha	Actual volume on the whole square, thousand m³	Average actual volume, m³ha⁻¹	Average actual increment, m³ha⁻¹	average increment, m³ha⁻¹	volume, m³ha⁻¹	Potential volume, thousand m³	The use of typological potential, %
1–10	45.0	0.2	4	0.4	2.5	25	1.1	18
11–20	70.3	2.2	31	2.1	3.3	50	3.5	63
21–30	64.4	4.4	68	2.7	3.6	90	5.8	76
31–40	59.4	9.4	158	4.5	4.0	140	8.3	113
41–50	91.1	16.9	186	4.1	4.2	187	17.0	99
51–60	112.1	27.6	246	4.5	4.2	230	25.8	107
61–70	95.7	30.9	323	5.0	4.2	270	25.8	120
71–80	55.6	18.3	329	4.4	4.1	306	17.0	108
81–90	57.1	20.0	350	4.1	4.0	340	19.4	103
91–100	11.9	4.1	345	3.6	3.9	369	4.4	93
101–120	37.2	12.5	336	3.1	3.8	394	14.7	85
121–140	14.0	4.0	286	2.2	3.6	416	5.8	69
141–160	93.1	28.4	305	2.0	3.3	435	40.5	70
161–180	278.8	84.3	302	1.8	3.2	464	129.4	65
181– to >	35.2	10.7	304	1.6	3.0	451	15.9	67
Average	–	–	238	3.1	3.7	278	–	82
Total	1,120.9	273.9	–	–	–	–	334.4	–

Table 3.

The actual and potential productivity of wet hornbeam fairly fertile oak forest type stands

Group age, years	General area, ha	Actual volume on the whole square, thousand m³	Average actual volume, m³ha⁻¹	Average actual increment, m³ha⁻¹	The existing typological standard		Potential volume, thousand m³	The use of typological potential, %
Group age, years	General area, ha	Actual volume on the whole square, thousand m³	Average actual volume, m³ha⁻¹	Average actual increment, m³ha⁻¹	average increment, m³ha⁻¹	volume, m³ha⁻¹	Potential volume, thousand m³	The use of typological potential, %
1–10	36.2	0.2	6	0.6	2.5	25	0.9	22
11–20	75.6	2.4	32	2.1	3.3	35	2.6	92
21–30	76.0	6.3	83	3.3	3.6	80	6.1	103
31–40	50.9	8.1	188	5.4	4.0	126	4.8	150
41–50	97.4	19.6	203	4.5	4.2	174	15.2	116
51–60	141.3	33.0	230	4.2	4.2	221	33.6	104
61–70	167.7	41.6	248	3.8	4.2	264	45.9	94
71–80	24.1	7.4	307	4.1	4.1	302	7.3	101
81–90	27.5	8.5	309	3.6	4.0	335	9.2	92
91–100	28.8	7.3	253	2.7	3.9	363	10.5	70
101–120	32.0	9.9	309	2.8	3.8	390	12.5	79
121–140	32.8	9.7	298	2.3	3.6	410	14.0	73
141–160	14.7	4.5	306	2.0	3.4	430	6.3	71
161–180	23.2	7.0	288	1.7	3.3	446	11.0	68
181– to >	20.8	5.4	257	1.4	3.2	462	9.6	56
Average	–	–	202	3.7	3.7	271	–	90
Total	849.0	171.2	–	–	–	–	189.5	–

Table 4.

The results of a typological analysis of oak forests

Index type forest	Medium wood reserve, m³ha⁻¹	Using typological potential, %	Breakdown of wood stand area by type and by completeness, hа/%						Total, ha/%
			indigenous			derivatives
			1.0–0.8	0.7–0.5	≤0.4	1.0–0.8	0.7–0.5	≤0.4
C₃-hoP	213	91	$\frac{473.1}{6}$	$\frac{1270.6}{17}$	$\frac{39.1}{0.5}$	$\frac{2 893.4}{39}$	$\frac{2 792.9}{37}$	$\frac{34.4}{0.5}$	$\frac{7 503.5}{100}$
C₂-hoP	301	82	$\frac{253.0}{5}$	$\frac{775.0}{16}$	$\frac{28.6}{0.5}$	$\frac{2 043.0}{43}$	$\frac{1 694.1}{35}$	$\frac{24.9}{0.5}$	$\frac{4 818.6}{100}$
C₃-hO	202	90	$\frac{38.3}{5}$	$\frac{243.0}{29}$	–	$\frac{285.6}{33}$	$\frac{273.6}{32}$	$\frac{8.5}{1}$	$\frac{849.0}{100}$
C₂-hO	231	90	$\frac{2.2}{2}$	$\frac{25.9}{28}$	$\frac{1.6}{2}$	$\frac{3.2}{3}$	$\frac{61.9}{65}$	–	$\frac{94.8}{100}$
D₃-hO	313	93	–	$\frac{0.8}{33}$	–	–	–	$\frac{1.6}{67}$	$\frac{2.4}{100}$
D₂-hO	310	118	–	$\frac{1.8}{4}$	–	–	$\frac{43.3}{96}$	–	$\frac{45.1}{100}$

[i] Note: C₃-hoP, wet hornbeam-oak-pine fairly fertile site type; C₂-hoP, fresh hornbeam-oak-pine fairly fertile site type; C₃-hO, wet hornbeam fairly fertile oak forest type; C₂-hO, fresh hornbeam fairly fertile oak forest type; D₃-hO, wet hornbeam fertile oak forest type; D₂-hO, fresh fertile oak forest type; the numerator is the area in hectares; the denominator is the percentage.

Table 5.

Distribution of stands with the participation of oak according to the dominant species

Types of stands	Distribution of stands by forest type, ha/%
Types of stands	C₃-hoP	C₂-hoP	C₃-hO	C₂-hO	D₃-hO	D₂-hO
Primary	1,780.0/24	1,055.1/22	281.3/33	29.7/31	0.8/33	1.8/4
Secondary	5,724.7/76	3,763.5/78	567.7/67	65.1/69	1.6/67	43.3/96
– spruce forests	126.7/2	45.6/1	1.6/0.2	13.7/14	1.6/67	5.9/13
– pine forests	1,794.7/24	3,230.9/67	31.5/4	5.2/6
– oak woods	1,743.9/23	283.3/6	145.4/17	20.6/22		34.4/76
– birch forests	1,332.0/17	118.0/2	188.9/22	7.1/8		3.0/7
– alder forests	583.6/8	16.1/0.3	105.0/12	2.2/2
– aspen forests	50.7/1	35.7/0.7	22.8/3	13.5/14
– hornbeam forests	35.3/0,5	12.3/0.2	57.0/7	2.8/3
– juniper forests	7.1/0.1	0.5/0.1	5.1/0,6
– ash forests	29.1/0.6	2.4/0.1	5.5/0,6
– poplar forests	0.6/0.4	0.9/0.1	4.6/0,5
– maple forests	4.3/0.1	3.5/0.1
– larch forests	4.2/0.1	12.6/0.3
– acacia forests	11.3/0.2	1.7/0.1	0.3/0,1
Total, ha/%.	7,503.5/100	4,818.6/100	849.0/100	94.8/100	2.4/100	45.1/100

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DOI: https://doi.org/10.2478/ffp-2024-0022 | Journal eISSN: 2199-5907 | Journal ISSN: 0071-6677

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Language: English

Page range: 301 - 309

Submitted on: Oct 15, 2023

Accepted on: Jul 3, 2024

Published on: Dec 11, 2024

Published by: Forest Research Institute

In partnership with: Paradigm Publishing Services

Keywords:

actual productivity,

age class,

primary tree stand,

secondary tree stand,

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© 2024 Halyna Herasymchuk, Vasyl Mazepa, Nataliya Tolstushko, published by Forest Research Institute
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Volume 66 (2024): Issue 4 (December 2024)