Study on Community Characters of Toona ciliata var. pubescens Natural Forest

LIU Jun; CHEN Yi-tai; LUO Yang-fu; JIANG Jing-min; SHAO Wen-hao; YUE Hua-feng

The community structure and species diversity of Toona ciliata var. pubescens natural forest were investigated. The results showed that there were abundant species diversity in T. ciliata var. pubescens community and mixed plant species belonged to 56 families, 85 genera, 122 species. The layers of arbors, shrubs, liane, and herbages could be distinguished clearly. The community of Jiulian Mountain Nature Reserve in Jiangxi Province had the highest diversity indices of tree layer in four T. ciliata var. pubescens forest communities, the least was community in Changgang, Longquan of Zhejiang Province. The community of Changgang had the highest index evenness, the least was in Jiulong Mountain of Zhejiang Province. The importance value of T. ciliata var. pubescens was the highest in Changgang, Jiulian Mountain and Guanshan Mountain, while the importance value of Alniphyllum fortunei was the highest in Jiulong Mountain of Jiangxi Province. Therefore,it was suggested that the conservation of T. ciliata var. pubescens natural forest should be strengthened and attention should be paid to collect and protect genetic resources and cultivate plantation.

1. Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang 311400, Zhejiang, China

2. Forestry Bureau of Gongxian City, Sichuan Province, Gongxian 644500, Sichuan, China

Abstract: The community structure and species diversity of Toona ciliata var. pubescens natural forest were investigated. The results showed that there were abundant species diversity in T. ciliata var. pubescens community and mixed plant species belonged to 56 families, 85 genera, 122 species. The layers of arbors, shrubs, liane, and herbages could be distinguished clearly. The community of Jiulian Mountain Nature Reserve in Jiangxi Province had the highest diversity indices of tree layer in four T. ciliata var. pubescens forest communities, the least was community in Changgang, Longquan of Zhejiang Province. The community of Changgang had the highest index evenness, the least was in Jiulong Mountain of Zhejiang Province. The importance value of T. ciliata var. pubescens was the highest in Changgang, Jiulian Mountain and Guanshan Mountain, while the importance value of Alniphyllum fortunei was the highest in Jiulong Mountain of Jiangxi Province. Therefore,it was suggested that the conservation of T. ciliata var. pubescens natural forest should be strengthened and attention should be paid to collect and protect genetic resources and cultivate plantation.

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Reference (18)

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Study on Community Characters of Toona ciliata var. pubescens Natural Forest

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