Trends in forest fuel accumulation in pine forests of Kyiv Polissya in Ukraine

C₂
100% Scots pine	15	1.17	60	13.8	0.0	0.0
95% Scots pine + 5% European oak	15	0.80	64	9.2	0.3	0.8
100% Scots pine	30	1.30	165	19.9	5	0.0
95% Scots pine + 5% European oak	45	0.72	249	22.7	9.4	3.0
100% Scots pine	60	0.71	314	37.4	4.2	3.1
95% Scots pine + 3% European oak + 2% European hornbeam	80	0.71	370	16.8	3.5	5.1

В₂
95% Scots pine + 3% European oak + 2% Norway maple	15	0.89	54	8.9	0.2	0.8
96% Scots pine + 4% European oak	15	0.88	43	7.9	0.2	0.7
95% Scots pine + 2% European oak + 2% European birch + 1% Aspen	23	0.92	99	21.3	3.4	0.1
96% Scots pine + 4% European birch	43	0.74	173	29.7	3.8	0.8
96% Scots pine + 4% European birch	50	0.67	274	11.9	4.2	2.7
95% Scots pine + 5% Elm	60	0.72	314	29.0	4.2	4.0
100% Scots pine	70	0.80	273	28.7	4.7	3.2

A₂
100% Scots pine	75	0.74	370	45.4	7.9	4.0
100% Scots pine	80	0.83	299	37.7	7.9	4.7
96% Scots pine + 4% European birch	85	0.79	306	23.4	4.2	0.8
100% Scots pine	90	0.65	313	46.0	4.2	5.4

[i] *DWD, dead woody debris.

Fractional composition of surface forest fuel in pure pine forests, growing in forest site conditions of *fresh bir* (А₂).

Fractional composition of surface FF in pure pine stands growing in the conditions of *fresh subir* (В₂)

Fractional composition of surface FF in pure pine woods growing in conditions of *fresh sugrud* (С₂)

Table 2

Forest fuel load by fractions in various types of forest conditions (TFC) and age groups, t·ha^-1

Age class	Litter (needle fall)	Duff	Litter and duff	DWD by fractions*				Total surface fuel
Age class	Litter (needle fall)	Duff	Litter and duff	1 hour	10 hours	100 hours	1000 hours	Total surface fuel
С₂
II	5.5		6.1	0.1			0.2	11.8
III	14.5		11.4	5.0			5.0	29.9
IV	8.0		19.6	3.4	3.7	2.3	9.4	41.5
V	8.4		33.7	1.5	1.2		4.2	44.3
VII	4.4		14.8	1.7	1.8		3.5	23.8

В₂
II	5.2	3.3	0.2			0.2	8.8
III	4.4	18.9	1.4	0.7	1.3	3.4	28.1
IV							0.0
V	9.3	15.8	3.2	0.6	0.3	4.0	28.9
VI	7.9	24.9	2.7	0.7	1.1	4.4	37.8
VII	11.1	38.0	6.2	0.6	1.1	7.9	57.3
IX	12.4	27.1	2.4	0.7	1.1	4.2	43.1

А₂
IV	13.5	12.3	4.9	1.6		6.6	27.9
V	19.4	14.7	7.1	3.7	2.6	13.4	44.2
VI	12.9	11.5	3.9	5.8	0.6	10.2	34.9
VII	12.5	11.8	3.9	2.0	2.2	8.1	30.6

[i] *DWD, dead woody debris.

Characteristics of forest litter specific gravity depending on pine stand age and type of forest growth conditions.

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DOI: https://doi.org/10.2478/ffp-2021-0013 | Journal eISSN: 2199-5907 | Journal ISSN: 0071-6677

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Language: English

Page range: 116 - 124

Submitted on: Sep 29, 2020

Accepted on: Apr 8, 2021

Published on: Jun 8, 2021

Published by: Forest Research Institute

In partnership with: Paradigm Publishing Services

Keywords:

litter,

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© 2021 Roman V. Hurzhii, Petro P. Yavorovskyi, Serhii Н. Sydorenko, Valery B. Levchenko, Olexandr M. Tyshchenko, Anatolii P. Tertyshnyi, Borys Ye. Yakubenko, published by Forest Research Institute
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Volume 63 (2021): Issue 2 (June 2021)

Trends in forest fuel accumulation in pine forests of Kyiv Polissya in Ukraine

Figures & Tables

Table 1

Figure 1

Figure 2

Figure 3

Table 2

Figure 4

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