Oases in Hexi Corridor was taken as examples for studying the forest coverage of oases in arid sandy area.
以甘肃河西走廊绿洲为例,就干旱风沙区绿洲森林覆盖率进行了研究。
For the arid aeolian sand region of Ningxia plenty of Garagana plantation recovery administer the condition of desertification land,the author has researched the influence of Garagana plantation for degenerating sand land soil and environment by grey correlative analysis and comprehensive appraisement from 11 factors.
针对宁夏干旱风沙区大量营造人工柠条灌木林恢复治理沙化土地的状况下,作者从影响土壤质地结构、物理性质、化学性质以及地上植被生态系统等11个因素入手,对退化沙地土壤与环境的影响进行灰色关联分析和综合评价,结果表明:无论在各评价性状权重值等同重要的情况下还是各评价性状权重值非等同的情况下排列序位次是一致的,呈现出造林密度1665丛/hm2>2490丛/hm2>3330丛/hm2自然恢复地。
The data of underground water resource in the arid aeolian sand region of Ningxia is limited;the coefficient of rainfall infiltration only can be decided through observing and verifying.
宁夏中部干旱风沙区地下水资料相对较少,只能采用现场观测与验证结合的方式进行确定。
The paper mainly introduces the main contents and the ways of the drought risk management.
对我国干旱管理现状进行了分析,指出了存在的问题,介绍了抗旱工作要从被动抗旱向主动防旱、科学防旱转变的趋势,并从应急抗旱向常规抗旱和长期抗旱转变的科学管理理念出发,提出我国的干旱管理方式应该从现行的危机管理向风险管理转变,并重点介绍了干旱风险管理的几个主要方面:干旱期的水资源管理、干旱早期预警和干旱预案。
Risk Assessment and Regionalization Study on Winter Wheat Drought in North of China;
北方冬小麦干旱风险评估及风险区划研究
Dam Building Using Gravel-Sand Mixture in Dry Aeolian Sand Region in Central Ningxia Hui Autonomous Region
宁夏中部干旱风沙区砾砂混合料筑坝分析
Study on Estimated Method of Groundwater Resources of Arid Aeolian Sand Region in the Middle Area of Ningxia
宁夏中部干旱风沙区地下水资源估算方法研究
Comparison of Cultivation Adaptability of Brassicaca mpestris L. in Arid-Sandstorm Area in Winter
干旱风沙区白菜型油菜越冬栽培适应性研究
Evaluation and Analysis on Comprehensive Characters of Raphanus sativus L. in Arid-Sandstorm Area in Solar-greenhouse in Spring
干旱风沙区日光温室春茬萝卜综合性状比较
Experiment on Afforestration Model of Resistant Species on Semiarid Sand Area
半干旱风沙区抗逆树种优化造林模式试验
Division of Site Type and Selection of Resistant Species on Semiarid Sand Area
半干旱风沙区立地类型划分与抗逆树种选择
Study on the Afforestation Model of Semi-dry Sand Area
半干旱风沙区典型立地类型造林模式研究
Drought Risk Assessment in Yunnan Province on the Basis of Information Distribution Theory
基于信息分配理论的云南干旱风险评估
Afforestation Technology for Grassland Shelterbelt in Semiarid Sandy Area
半干旱风沙区草原防护林的营造技术研究
Soil polarization under pure stands of planted forests in the semi-arid,windblown sand region of northern Shaanxi Province,northwestern China.
陕北半干旱风沙区人工纯林土壤性质极化研究
The popularization and application of comprehensive techniques for reducing drought risk in agriculture in Huang-Huai Region
黄淮地区农业干旱风险综合防御技术推广应用
The Estimation of the Rainfall Infiltration Coefficient of Arid Aeolian Sand Region in the Middle Area of Ningxia
宁夏中部干旱风沙区降雨入渗补给系数的估算
Aeolian sand, distributed extensively around China?s arid and semi arid zones, is the main bearing body of wind erosion in China.
风成沙广泛分布于我国干旱与半干旱地区,是我国风蚀与风沙活动的主要载体。
Cultivation Technology for Increasing Rainfall Productivity of Dryland Corn in Sandstorm Semi-arid Region
风沙半干旱区旱地玉米提高降水生产效率的栽培技术研究
A climate with high temperature and arid condition is highly favourable for salt weathering.
高温和干旱相结合的气候最有利于盐风化过程。
International Symposium on Solar and Wind Energy of the Arid Zone
干旱地区太阳能和风能国际专题讨论会
Freezing in winter, windy in spring, and either too dry or too often visited by rainstorms in summer.
冬天冷,春天多风,夏天不是干旱就是大雨倾盆;
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