A study on the vegetation recovery and crop pattern adjustment on the Loess Plateau of China

文献类型: 外文期刊

第一作者: Li, Q. Y.

作者: Li, Q. Y.;Li, Q. Y.;Fang, H. Y.;Cai, Q. G.

作者机构:

关键词: Loess Plateau;vegetation;crops;adaptation capacity eco-water requirement

期刊名称:AFRICAN JOURNAL OF MICROBIOLOGY RESEARCH ( 影响因子:0.539; 五年影响因子:0.564 )

ISSN: 1996-0808

年卷期: 2011 年 5 卷 12 期

页码:

收录情况: SCI

摘要: Low vegetation coverage and irrational land use are regarded as two main factors in influencing soil loss. In order to improve vegetation recovery and to adjust land use pattern on the Loess Plateau, the data of precipitation, net primary productivity of vegetation, and eco-water requirement of main crops of key counties on the Loess Plateau are used in this paper. The concepts of utilization/adaptation capability of eco-water requirement are used and plotted against mean annual precipitation in the 1960s to 1990s for vegetation and crops, respectively. Results demonstrate that in the regions with lower than 400, 400 to 510 and over 510 mm precipitation, the grass/shrub, grass/shrub/forest and forest fit to be planted, respectively. For crops in the regions with less than 300, > 310, > 450 and > 510 mm precipitation, Kaoliang and glutinous, millet, winter wheat, and maize are satisfied, respectively.

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