A Study on the Soil Polynofloras of the South Slope of Shonnongjia,Central China
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摘要: 神农架南坡表土孢粉分析表明,从山麓到山顶可以划分出五个特征明显的孢粉带,代表五个不同高度带内的主要植物群落。它们基本反映了现代植被的整体特征,在群落类型和主要成分等方面具有一致性,在种属数量、相对比率和分布高度等方面基本相似,略有差异.Abstract: Some samples are gained from the south slope of Shennongjia mountain and five sporo-pollen zones are distinguished from the piedmont to the summit. Five main polynofloras are as follows: evergreen hroadle forest of subtropics below 800 m a.s.l, evergreen and deciduous hroadleved mixed forest of subtropics between 800-1 400 m a.s.l, deciduous hroadleved forest of warm temperate between 1 400-1 850 m a.s.l, conifer and hroadleved mixed forest of temperate hetween 1 850-2500m a.s.l, conifer forest of cold temperate above 2 500 m a.s.l.The polynofloras reflect the basic features of the modern plantation in Shennongjia region.Thev are identical in the vegetation type the number and spatial distribution of vegetation zones.Thev are similar in the height hounds of vegetation zones as well as component and its percentage of some plants.
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Key words:
- Shennongjia /
- soil polynofloras /
- sporo-pollen analysis /
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