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http://dx.doi.org/10.14578/jkfs.2021.110.4.496

The Site Characteristics and Stand Structure of Pinus densiflora Forests in the Republic of Korea  

Kwon, Ki Cheol (Forest Resources Inventory Division, National Forestry Cooperative Federation)
Han, Sung An (Forest Resources Inventory Division, National Forestry Cooperative Federation)
Lee, Don Koo (Department of Forest Sciences, Seoul National University)
Jung, In Kwon (Forest Resources Inventory Division, National Forestry Cooperative Federation)
Seo, Yong Jin (Forest Resources Inventory Division, National Forestry Cooperative Federation)
Hong, Eui Pyo (Forest Resources Inventory Division, National Forestry Cooperative Federation)
Choi, Hwan Suk (Forest Resources Inventory Division, National Forestry Cooperative Federation)
Publication Information
Journal of Korean Society of Forest Science / v.110, no.4, 2021 , pp. 496-503 More about this Journal
Abstract
Pinus densiflora is an essential tree species native to the Republic of Korea (ROK) and covers most of the total natural forest areas in the ROK. This study was conducted to understand the site characteristics and stand structure of P. densiflora forests distributed at sites where P. densiflora covered over 50% of the stand basal area during the 7th National Forest Inventory (NFI) period from 2016 to 2020. P. densiflora dominated 3,665 circular sample plots (400 m2). P. densiflora forests predominated at elevations less than 600 m above sea level (a.s.l). However, most P. densiflora forests were distributed at the slopes facing south and west over 800 m a.s.l. At altitudes below 800 m, they were distributed at all slopes but dominated at the southern and western slopes. P. densiflora grew mainly in the soils of sandy loam, loam, or silt loam with relative infertility. Dominant tree species distributed with P. densiflora were Quercus mongolica, Q. variabilis, Q. serrata, Prunus serrulata var. pubescens and Castanea crenata by the descending order. P. densiflora, P. thunbergii, and P. rigida were grown in large DBH classes, Quercus species and Fraxinus rhynchophylla in middle DBH classes, while Juniperus rigida and Styrax japonicus in small DBH classes. Dominant tree species distributed mainly at the lower layer of P. densiflora stands were Rhododendron mucronulatum, Q. serrata, Lindera obtusiloba, Fraxinus sieboldiana, Toxicodendron trichocarpum and Rhododendron schlippenbachii by the descending order.
Keywords
Pinus densiflora; site characteristics; stand structure; altitude; aspect;
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