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  • Title: [Productivity and species diversity of artificial broad-leaved Korean pine forests in eastern Liaoning mountainous areas].
    Author: Yu L, Zhu J, Shi J, Yu S, Wang Z, Lu Z, Ding G.
    Journal: Ying Yong Sheng Tai Xue Bao; 2005 Dec; 16(12):2225-30. PubMed ID: 16515162.
    Abstract:
    An investigation in the typical plots of 20-yr artificial broad-leaved Korean pine forests in eastern Liaoning mountainous areas showed that the productivity of mixed forests Pinus koraiensis-Betula platyphylla, P. koraiensis-Alnus tinctoria, and P. koraiensis-Fraxrinus mandshurica was 6.529, 4.966 and 5.682 t x hm(-2) x yr(-1), respectively, much higher than that of pure Korean pine forest (3.812 t x hm(-2) x yr(-1)), while mixed forests P. koraiensis-Kalopanax septemlobus and P. koraiensis-Tilia amurensis had a productivity of 2.945 and 2.84 t x hm(-2) yr(-1), respectively, lower than that of pure Korean pine forest. The plant species diversities of arbor, shrub and herb layers of artificial broad-leaved Korean pine forests were all higher than those of pure Korean pine forests. The plant species number in pure Korean pine forests only accounted for 42%-52% of artificial broad-leaved Korean pine forests, and the tree number of vegetation only accounted for 11%-37% of mixed forests. These results suggested that artificial broad-leaved Korean pine forests could provide the chances for the succession of secondary forest systems to regional climax, but it would take a long time to reach the climax.
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