The soil physical composition,organic matter,total nitrogen,total phosphorus, total potassium and pH of Salix psammophila ccheckerboard and contrast sand of Dalate county were investigated in 2005,the effects of Salix psammophila checkerboard on physical and chemical characteristics of sandy soil were analyzed.
设置沙柳沙障后沙丘土壤有机质含量是对照地的1。
Surface-consistent deconvolution using variable prediction step, and suppression of sand dune ringing;
地表一致性变预测步长反褶积与沙丘鸣震的压制
Spatiotemporal distribution of moisture content in sand dunes of the unirrigated forestation along the southern marginal zone of Gurbantunggut Desert;
古尔班通古特沙漠南缘沙丘水分的时空分布特征
The concepts of sand land,sand dune and desertified land etc.
在实地调查和多年定位研究的基础上,根据目前沙漠化过程研究的需要,介绍了沙地、沙丘、沙漠化土地等相关概念及其主要区别,阐述了沙地、沙丘、沙漠化土地类型的划分标准以及类型互换使用中应该注意的问题;通过分析影响沙漠化发展方向和过程的关键因素,建立了沙漠化正、逆发展过程的地面判别指标体系,并讨论了不同类型沙丘的主要来源、发展方向及转换过程的判别方法。
Natural vegetation characteristic of three sand dune types in the Minqin oasis-desert ecotone;
民勤绿洲荒漠交错带三种沙丘类型的自然植被特征
Specific leaf area and leaf dry matter content of some plants in different dune habitats;
不同沙丘生境主要植物比叶面积和叶干物质含量的比较
Experimental Study on Moisture Movement in Unsatured Zone of Arid s Dune;
干旱区沙丘水分运动的实验研究
The methods of large-eddy simulation,the motion of sand particles with mixed sand sizes and immersed boundary are used to simulate the formation and evolution of sand ripples and sand dunes.
采用大涡模拟和混合粒径群体沙粒运动算法结合内置边界方法来模拟沙波纹与沙丘的演化和发展,在平坦沙区形成沙波纹的同时,在沙丘上同样也出现了沙波纹的结构,即沙波纹的发展出现了多尺度现象。
Spatiotemporal Change of Soil Water in Fixed Sand Dune
固定沙丘土壤水分时空动态变化研究
Heterogeneity in Soil Seed Banks in a Mediterranean Coastal Sand Dune
地中海沿岸沙丘土壤种子库的异质性(英文)
Studied on the Influences of Coal Mining Collapse on the Soil Water Dynamic of Dune;
采煤塌陷对沙丘土壤水分动态的影响研究
Soil Nematode Community Composition and Diversity Along an Active Sand Dune in Horqin Sandy Land
科尔沁沙地流动沙丘土壤线虫群落组成与多样性研究
Soil Moisture and Grain Size Characteristic of Typical Nebkhas in South Edge of Mu Us Sandland
毛乌素沙地南缘灌丛沙丘土壤水分与粒度特征研究
Dynamic Change and Prediction of Soil Water of Dunes Paving Eco-mat at Eco-tone between Oasis and Desert;
绿洲—荒漠交错带生态垫覆盖下沙丘土壤水分动态及预测
Influence of dry sand bed thickness on soil moisture evaporation in mobile dune;
流动沙丘干沙层厚度对土壤水分蒸发的影响
Eurasian thistle growing in sand dunes and dry chalky soils.
在沙丘或干旱白垩土壤中生长的欧亚蓟。
Study on Water Balance and Soil Moisture Ecologicall Characteristic of Hippophae Rhamnides and Caragana Microphylla Land in Loess Hilly Region;
黄土丘陵沟壑区沙棘、柠条林地水量平衡及土壤水分生态特征
Characters of Soil Erosion and Runoff and Sediment Yield Simulation of Watershed in Low-mountain Hilly Region of Wuling Mountian
武陵山区低山丘陵小流域土壤侵蚀特征及产流产沙模拟预测
That fast-growing forestry in desert can fixup sandbank and meliorate soil, improve environment and prevent waste water from flowing into river.
在沙漠利用污水灌溉速生林，可固定沙丘，改良土壤；改善生态环境，实现污水零排放。
An Arctic mound or conical hill, consisting of an outer layer of soil covering a core of solid ice.
冰举丘北冰洋土丘或丘状小山，由土壤外层履以固体冰丘组成
Effects of Land Use Change on the Ecosystem Service Function in Red Soil Hilly Region--a Case Study of Changsha City
红壤丘陵区土地利用变化对生态系统服务功能的影响以长沙市为例
STUDY ON SOIL DEGENERATION OF RECLAIMED FOREST-LANDS IN LOESS HILLY FOREST REGION;
黄土丘陵区林区开垦地土壤退化研究
Effect of Farmland Abandonment on Soil Enzyme Activities in Loess Hilly Region
黄土丘陵区撂荒对土壤酶活性的影响
Studies on the soil hydraulic properties and pedo-transfer functions in Fengqiu county;
封丘土壤水力学特性及其土壤传递函数的研究
This soil is very sandy.
这种土壤含沙很多。
dene:a sandy tract or dune by the seashore.
沙丘:海边的沙地或沙丘.
