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生态学杂志 ›› 2003, Vol. ›› Issue (2): 9-11,23.

• 研究报告 • 上一篇    下一篇

云南保山西庄山地流域土地利用方式与土壤肥力关系研究

沙丽清1, 邱学忠1, 甘建民1, 许建初2, 高富2, 艾夕辉2   

  1. 1. 中国科学院西双版纳热带植物园, 昆明 650223;
    2. 中国科学院昆明植物研究所, 昆明 650204
  • 收稿日期:2002-05-22 修回日期:2002-07-13 出版日期:2003-02-10
  • 基金资助:
    云南省科委国际科技合作项目(2000HC004);国际山地中心(ICIMOD);加拿大国际发展中心(1DRC);瑞士联合发展署(SDC)的联合以及中国科学院昆明植物研究所知识创新工程项目资助

Relationship betwen land use and soil fertility in Xizhuang watershed, Baoshan, China

SHA Liqing1, QIU Xuezhong1, GAN Jianmin1, XU Jianchu2, GAO Fu2, AI Xihui2   

  1. 1. Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming 650223, China;
    2. Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China
  • Received:2002-05-22 Revised:2002-07-13 Online:2003-02-10

摘要: 以云南省保山地区西庄流域为例,研究了自然因素及人为活动对土壤性质的影响.该流域的土壤通常pH较低,缺乏有效磷和交换性阳离子.仅发育于石灰岩的土壤具适宜的pH和交换性阳离子量.海拔对土壤有机碳含量具显著影响.文中详细讨论了海拔、母质和土地利用方式等对土壤肥力及土壤侵蚀的影响.

关键词: 土壤微节肢动物, 群落结构, 指示生物, 土地利用, 下辽河平原

Abstract: Preliminary results from the soil survey conducted in 1997 and 1998 showed that the soils in the Xizhuang watershed, near Baoshan, are generally poor in available phosphorus, have a low pH range, and are deficient in exchangeable cations. Only the soils originated from limestone have adequate pH and cation concentrations. Organic carbon contents are generally higher than in most other Himalayan watersheds and the presence of limestone and the elevation effect are key factors responsible for conserving soil carbon concentrations. A brief description of the biophysical setting is provided and the key factors that influence soil fertility-elevation, parent materials, and land use are identified.

Key words: Soil micro-arthropod, Community structure, Bio-indicator, Land utilization, Lower Reaches of Liaohe Plain

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