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- loess hilly gully area 黄土丘陵沟壑区
- Remote Sensing Classification Method of Slope Field in Loess Hilly and Gully Area of Northern Shaanxi Province 陕北黄土丘陵地区坡耕地遥感分类方法研究
- The Application of DEM in Studying Soil Erosion Type and Process in the Loess Hilly and Gully Area DEM在研究黄土丘陵沟壑区土壤侵蚀类型和过程中的应用
- loess hilly and gully area 黄土丘陵沟壑区
- Loess Hilly Gully country 黄土丘陵区
- loess hilly gully region 黄土丘陵区
- loess hilly & gully areas 黄土丘陵沟壑区
- loess hilly and gully areas 黄土丘陵沟壑区
- The typical sample plot with Sophora viciifolia was take as research object in the Zhifanggou catchment of the hilly gully Loess Plateau in July 2002. 于2002年5月份,在陕北黄土区纸坊沟流域选择狼牙刺典型样地,以柠条、撂荒地作为对照。
- Some suggestions are proposed for loess hilly area of south Ningxia. 为宁夏南部黄土丘陵区生态恢复提出了几点建议。
- hilly gully area 丘陵沟壑区
- The ecological condition in loess hilly and gully region of the south of NingXia province is so frangible that it was considered as“tbe worst place to live”by the ESCO. 宁南黄土沟壑地区的生态极度脆弱,曾被联合国教科文组织定为“最不适宜人生存的地区”。
- Hilly and Gully Area of Loess Plateau 陕北黄土丘陵沟壑区
- The comprehensive assessment indicated that with the succession of vegetation, the steppe community health in loess hilly and gully region had a fluctuated ascending trend. 综合评价表明，植物群落健康水平随着演替过程的发展呈波动性且逐渐上升的变化过程。
- This paper optimizes the land utilization structure and presents an optimizing model by means of linear planning model for Fangshan County, a loess hilly and gully region. 摘要以晋西黄土丘陵沟壑区的山西省方山县为例，运用线性规划模型对土地利用结构进行优化调整，提出了该区土地利用结构优化模式。
- hilly and gully area of the Loess Plateau 黄土丘陵沟壑区
- The funnel shaped catchment afforestation is a new forestry technique in semiarid loess hilly area. 漏斗式集流造林技术是黄土丘陵半干旱区旱作林业的一个创新。
- Resource conditions and countermeasures implementing the strategy of returning the grain plots to forestry and grass on Loess Hilly Area. 黄土丘陵沟壑区实施退耕还林还草战略资源条件与对策。
- The cultivation technique of major fine pasture in the semiarid and loess hilly area wasstudied and reviewed in details. 比较详细地研究总结了半干旱黄土丘陵区主要优良牧草的栽培技术。
- These supply much useful revelation for studying the dynamic mechanism of the soil erosion chain in slope and ditch syst em, and effectively controlling water and soil losses in loess hilly and gully a rea. 这些为研究和揭示坡沟系统土壤侵蚀链的动力机制，以及有效控制与治理黄土丘陵沟壑区的水土流失现象，提供了许多有益的启示。
