Geographical distribution of Aralia elata characteristics correlated with topography and forest structure in Heilongjiang and Jilin Provinces,Northeast China

Hongxu Wei; Guoshuang Chen; Xin Chen; Hengtian Zhao

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Geographical distribution of Aralia elata characteristics correlated with topography and forest structure in Heilongjiang and Jilin Provinces,Northeast China

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摘要

The Araliaceae family consists of numerous species of medical plants of significant value as non-wood forest products.To conserve and culture these plants in natural forest stands is an important undertaking which should be implemented according to the relationship between forest structure and understory population.In this study,thirtyfive plots were established in natural A ralia elata stands.Taller individual and denser populations were found in the northern and in the eastern regions,respectively.Both population densities and individual leaf weight increased along longitude.In contrast,their relationship with elevation and DBH were negative.Along with the altitude gradient,both height and root-collar diameter increased but population density declined.Root-collar diameter and population density decreased with latitude and DBH,respectively.Overall,dominant trees unlikely enforced strong disturbance to the development of understory A.elata populations unless concerning some specific topographic factors.

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《林业研究：英文版》 |2021年第3期|1115-1125|共11页
作者
Hongxu Wei; Guoshuang Chen; Xin Chen; Hengtian Zhao;
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作者单位

Research Group of Urban Forests and Urban Wetlands;

Northeast Institute of Geography and Agroecology;

Chinese Academy of Sciences;

Changchun 130102;

People’s Republic of China;

Research Group of Understory Plants Resources;

Northeast Institute of Geography and Agroecology(Harbin);

Chinese Academy of Sciences;

Harbin 150081;

People’s Republic of China;

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原文格式 PDF
正文语种 chi
中图分类林业基础科学;
关键词
Aralia elata; Chinese angelica-tree; Stand quality; Geographical distribution; Undergrowth; Nontimber forest species;

Geographical distribution of Aralia elata characteristics correlated with topography and forest structure in Heilongjiang and Jilin Provinces,Northeast China

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