全 文 ：Biodiversity and Biomass Characteristics of Vegetations along
West-to-East Gas Pipeline Project in Jiangxi
YANG Qingpei, QIU Lihong, JI Chunfeng, YU Dingkun, JIE Zhengping
(Jiangxi Provincial Key Laboratory for Bamboo Germplasm Resources and Utilization, Jiangxi Agricultural
University, Nanchang Jiangxi 330045, China)
Abstract: Based on Remote Sensing Image Interpreting，sampling and analysis，the biodiversity and biomass of vegetations
alongside West-to-East Gas Pipeline Project, Jiangxi were studied by using richness indices, species diversity indices and
evenness indices, respectively. The results indicated that: ① the natural vegetations were grouped into 4 vegetation type
groups (VTG), 14 Foramtions; the artificials could be catetigoried into 6 VTGs, 17 Foramtions; ② the differences among
biodiversity of coummunities were significant, Liquidambar formosana had the highest biodivesity and the herbal
communities were the lowest. Meanwhile, natural communities were higher than the artifical in biodiversity; ③ the
differences among biodiversity of different coummunities were significant, Cunninghamia lanceolata plantation had the
highest biomass, 110.15 t/hm2, followed by the Pinus massoniama plantation(97.28), Form. Pinus massoniama natural forest
(81.01), Form. Liquidambar formosana (70.23), Form. Schima superba (64.05), Form. Phyllostachys edulis (64.00), Form.
Pinus elliottii (63.21), Form. Castanopsis sclerophylla (32.00), shrub (5.15), Form. Camellia oleifera (3.57), and herbal
coummunities were the lowest, only 0.45 t/hm2.
Key words: West-to-East Gas Pipeline Project; Plant community; Biodiversity; Biomass
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凹叶木兰 Magnolia sargentiana Rehd. et Wils.，落叶乔木，
高达 20 m，芽、嫩枝和叶背被柔毛，叶面无毛。叶倒卵形，基
部楔形，长 10～18 cm，宽 6～9 cm，托叶痕长为叶柄长的 1/4～
1/3。叶背淡白色，叶面第三级叶脉近平行，叶先端凹缺或在
凹缺内具短尖。花被片 8～12枚，匙形，其中有一枚较大，花被
片中部以下红色，中部以上具红色宽带。雄蕊长 1～1.5 cm，侧
向开裂。
凹叶木兰与白玉兰 Magnolia denudate Desr.接近，但白玉
兰花纯白色，叶先端不凹缺。凹叶木兰是优良的园林树种，花
色艳丽，观赏价值较高。
凹叶木兰分布于我国四川南部、云南南东南部等地区，江
西仅见于井冈山白银湖、萍乡广寒寨，海拔 600～1 000 m，很
稀少，需要加强保护。
（刘仁林）
·封面说明·
凹叶木兰Magnolia sargentiana Rehd. et Wils.
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DOI:10.16259/j.cnki.36-1342/s.2009.05.010