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

Q3 Agricultural and Biological Sciences

Folia Forestalia Polonica, Series A Pub Date : 2021-06-01 DOI:10.2478/ffp-2021-0013

R. Hurzhii, P. Yavorovskyi, S. Sydorenko, V. Levchenko, Olexandr M. Tyshchenko, A. P. Tertyshnyi, B. Yakubenko

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引用次数: 3

Abstract

Abstract At present, forest fire research is becoming especially relevant in Ukraine. This study examines patterns of forest fuel accumulation in pine (Pinus sylvestris L.) stands that grow in different soil conditions with different pine stand structure. To estimate the load of forest fuel of different fractions, a combined methodology was used: the weighing method and the FIREMON (fuel load estimation) method. It was found that increase in surface forest fuel loads is not directly proportional to forest stands’ age. Fractional size distribution, capacity and loads of forest fuel depend on several factors, among which the greatest role is played by forestry characteristics of the pine stand. It was determined that in the forest site conditions of type C (fairly rich soils) in Kyiv Polissya, the share of forest litter compared to pine stands that grow in poor soil conditions (A) is smaller, ranging from 41% to 76% of the total forest fuel load. The mass proportion of the duff layer varies from 15% in young forest stands to 43% in mature stands. It was established that changes in forest fuel fractions for 1, 10, 100 and 1000 hours varied insignificantly with age rate. The share of substratum woody debris of 10 and 100 hours was insignificant and depended more on the forestry treatment regime on these sites. The mass proportion of coarse woody debris (1000 hours) was also insignificant, varying from 0% to 5.9% of the total load of surface fuel.

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乌克兰基辅波利西亚松林的森林燃料积累趋势

目前，乌克兰的森林火灾研究正变得尤为重要。本文研究了生长在不同土壤条件下、不同林分结构下的松林燃料积累模式。采用称重法和燃料负荷估算法(firremon)相结合的方法对不同馏分的森林燃料负荷进行估算。研究发现，地表林分燃料负荷的增加与林分年龄不成正比。森林燃料的粒度分布、容量和负荷取决于几个因素，其中松林的林业特性起着最大的作用。经确定，在Kyiv Polissya C型(相当肥沃的土壤)的森林立地条件下，与生长在贫瘠土壤条件(A)的松林相比，森林凋落物的份额较小，占森林总燃料负荷的41%至76%。枯草层的质量比例从幼林的15%到成熟林的43%不等。结果表明，1、10、100和1000 h的森林燃料组分随龄期变化不显著。10小时和100小时的基材木屑所占的比例不显著，主要取决于这些立地的林业处理制度。粗木屑的质量比例(1000小时)也不显著，占地面燃料总负荷的0% ~ 5.9%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Folia Forestalia Polonica, Series A Agricultural and Biological Sciences-Forestry

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： FOLIA FORESTALIA POLONICA, SERIES A – FORESTRY is a forest science magazine addressed to scientists, administrators and policy-makers in forestry, agroforestry, ecology, environment and resource management. The language of publication is English and papers from any region of the world are welcome.