STRUCTURE AND SHORT-TERM DEVELOPMENT DYNAMICS OF SPRUCE OLD-GROWTH FOREST IN THE NATIONAL NATURE RESERVE ZADNA POLANA

被引:0
作者
Jaloviar, Peter [1 ]
Durica, Pavel [1 ]
Vencurik, Jaroslav [1 ]
Kucbel, Stanislav [1 ]
Pittner, Jan [1 ]
Sedmakova, Denisa [1 ]
机构
[1] Tech Univ Zvolene, Katedra Pestovania Lesa, Lesnicka Fak, TG Masaryka 24, Zvolen 96001, Slovakia
来源
REPORTS OF FORESTRY RESEARCH-ZPRAVY LESNICKEHO VYZKUMU | 2020年 / 65卷 / 04期
关键词
disturbance regime; old-growth forest; diameter structure; coarse woody debris; Norway spruce; COARSE WOODY DEBRIS; TREE SIZE; DISTURBANCE; HISTORY; GAPS;
D O I
暂无
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
This study analyzes the structure and short-term development of the spruce old-growth forest situated in the National Nature Reserve Zadna Polana (Slovakia) during the years 2013 and 2018. Spatial positions and measured DBH (d(1.3)) and height of all living and dead standing trees with DBH d(1.3) >8 cm were inventoried in 20 circular permanent research plots. The area of one circular permanent research plot was 1,000 m(2). In 2018, additional measurement of trees with DBH d(1.3) >2-8 cm and coarse woody debris inventory was carried out. During five years 2013-018, a number of standing dead trees demonstrated a relatively big difference (-20.3%). Growing stock (+2.2%) and basal area (+1.3%) of the forest stand slightly increased, diameter DBH distribution of living trees remained with no significant change. Lower mortality rate of spruce (17 pcs ha(-1)) more or less conserved the bimodal structure of the assessed stand. Increase in the number of juvenile trees (9 pcs ha(-1)) within the first diameter class compensated spruce decrease only partially. Results of our study suggest the presence of the evident changes in the number of trees even over a relatively short period. For more information see Summary at the end of the article.
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页码:258 / 264
页数:7
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