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济南石灰岩山地植被特征及其对植被优化配置的研究

房 用, 梁 玉, 王月海, 王卫东   

  1. 山东省林科院, 山东 济南 250014
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2006-10-24 发布日期:2006-10-24
  • 通讯作者: 房 用

The vegetation characteristics of limestone mountains in Jinan and their application to the optimal disposition of vegetation

FANG Yong, LIANG Yu, WANG Yue-hai, WANG Wei-dong   

  1. Shandong Academy of Forest Sciences, Jinan 250014, Shandong, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2006-10-24 Published:2006-10-24
  • Contact: FANG Yong

摘要: 石灰岩山地是荒山造林的重点和难点。通过对济南市南部山区的调查,分析了10种主要物种的重要值、生态位宽度、生态位重叠等指标,发现侧柏是济南南部山区群落的主要单优势种和建群种,灌木层中黄荆是主要优势种,草本层中主要为羊胡子草。根据综合评估的结果,侧柏-黄荆(胡枝子)-羊胡子草可作为石灰岩山地乔木-灌木-草本的建群种。黄榆和山榆存在较小的生态位重叠(数值为0),可以考虑在进行荒山治理过程中对两者进行合理配置。这些研究对山东石灰岩山地植被优化配置具有参考价值。

关键词: 济南市, 生态位重叠 , 生态位宽度, 多样性指数, 树种优化, 石灰岩山地

Abstract: The limestone mountainous region is the highlight and most difficult point of afforestation. In an investigation of the southern mountain area of Jinan, the importance value, niche breadth and niche overlap of 10 essential species were analyzed. It was founnd that Platycladus orientalis (Linn.)Franco. is the primary dominant species and constructive species in the southern mountain area of Jinan, Vitex negundo L.is the primary dominant species in the shrub layer, and Eriophorum angustifolium Roth. is the primary dominant species in the herb layer. By synthetic assessment result, P. orientalis (L.)Franco.—V. negundo L. (Lespdeza bicolor Turcz.)—E. angustifolium Roth. are the constructive species of treeshrubherb in the limestone mountainous region. Ulmus japonica Sarg. and Ulums macrocarpa Hance. have a lower value of niche overlap (value is 0), so both can be applied in a reasonable arrangement in governing the barren mountainous areas.

Key words: niche overlap , niche breadth, diversity index, tree seed optimization, limestone mountainous region, Jinan

中图分类号: 

  • X171.1
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