毛乌素沙化景观内斑块间的多种边界

应用生态学报 ›› 2003, Vol. ›› Issue (3): 467-469.

毛乌素沙化景观内斑块间的多种边界

陈玉福, 董鸣

中国科学院植物研究所植被数量生态学开放研究实验室, 北京 100093

收稿日期:2000-12-30 修回日期:2001-02-24
通讯作者: 董鸣
基金资助:
国家重点基础研究发展规划项目(G20000186007);中国科学院重点资助项目(KZ952S1126)

Diverse boundaries between patches within the sandy landscape in Mu Us sandy land

CHEN Yufu, DONG Ming

Laboratory of Quantitative Vegetation Ecology, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

Received:2000-12-30 Revised:2001-02-24

摘要/Abstract

关键词: 南疆干旱区, 产量, 机采棉田, 品质, 水盐运移, 灌溉制度

Abstract: A terrestrial landscape is a mosaic of heterogeneous landforms, vegetation types, and land uses. Boundaries between neighbor patches become conspicuous components of ecological landscapes. The vegetation cover, plant species number, species similarity, soil organic Ccontent, and soil organic N content crossing neighbor patches in Mu Us sandy land were investigated. The results showed that boundaries determined on the basis of each parameter differed, which compared favorably with the previous studies on ecotone dynamics and ecological boundaries delineation.

Key words: Patch, Boundary, Sandy landscape, Mu Us sandy land, soil water and salt movement, quality, arid area of Southern Xinjiang, cotton yield, irrigation regime, mechanically-harvested cotton

中图分类号:

Q149
X171

陈玉福, 董鸣. 毛乌素沙化景观内斑块间的多种边界[J]. 应用生态学报, 2003, (3): 467-469.

CHEN Yufu, DONG Ming . Diverse boundaries between patches within the sandy landscape in Mu Us sandy land[J]. Chinese Journal of Applied Ecology, 2003, (3): 467-469.

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