Ulmus pumila open forest ecosystem plays an important role in Otindag Sandy Land.
榆树疏林生态系统是浑善达克沙地的重要组分之一。
Spectral data of sandy land are changed with vegetation coverage, vegetation ty...
沙化土地光谱数据表现出随植被覆盖、植被类型、土壤、地类等的变化规律。
Influence of cultivation on spatial variability of soil total phosphorus in sandy land.
耕种对沙地土壤全磷空间变异性的影响。
Pinus elliottii had been found as pioneer plant suitable for sandy land ecosystem reconstruction.
湿地松是一种适合沙化土地生态系统重建的先锋植物。
The water physiological characters of shrub grown on sandy land and research on them were reviewed.
对以灌木为主的沙地植物水分生理特征及其研究内容、方法进行了简述。
The design and efficiency of drip irrigation on sandy land shelterbelt were systematically summed up.
本文就沙地防护林滴灌系统的设计及效益进行了较系统总结。
But in the sandy land, the change tendency of the soil moisture content is opposite to the clay land.
而在沙土地,土壤含水量的变化趋势与黏土地相反。
Clonal plants of Mu Us sandy land change the sandy environment. They are important in transforming the sandy landscape.
毛乌素沙地的克隆植物适应当地的沙化环境,并对沙化景观具有积极的改造作用。
The results may be helpful to the rational distribution of alfalfa varieties and soil moisture adjustment on sandy land.
研究结果对沙化土地区苜蓿品种的合理布局与水分调控具有科学指导价值。
Soil moisture regimen changes with different localities of topography in Maowuse transition zone from sandy land to desert.
毛乌素沙地过渡地带沙地生态系统土壤湿度状况随着地貌部位不同而变化。
Erosion characteristics of two kinds of typical aeolian soils in Horqin Sandy Land were studied using portable wind tunnel.
通过风洞实验,研究了科尔沁沙地两种典型风沙土的风蚀特征。
Spruce on sandy land is a shade-tolerant species, the height growth of its seedlings being accelerated under shady condition.
沙地云杉为耐阴性树种,在幼年期一定程度的遮阴条件可以促进树高生长。
Landscape pattern indices showed that moving dune was disturbed strongly and fixed sandy land was of more expansionary property.
植被类型尺度的格局指标表明,流动沙地表现出受到强烈干扰的特征,而固定沙地油蒿群落具有较强的扩张特性。
This paper deals with the application of A-evaporation pan and its affecting factors on sandy land fixed by artificial vegetation.
探讨了在沙坡头人工植被固定沙地上A级蒸发皿的应用及其影响要素。
In 2000, desertification includes sandy desertification, water erosion and salinization in Maowusu sandy land and there is totally 6.
2000年毛乌素沙地的荒漠化类型包括沙漠化、水土流失和盐碱化,共有荒漠化土地6。
Based on field investigation, tests, and indoor wind tunnel experiment, the mechanism of soil erosion by wind on sandy land is analyzed.
通过典型样地调查和室内风洞试验,分析了该区沙地土壤风蚀机理。
Acacia tree species increased significantly the content of total N and total C and the increment of topsoil of sandy land was significant.
相思树种明显地增加了沿海沙地土壤中全氮和全碳的含量,且增加的量以沙地土壤的表层最为显著。
The research status and existing problems of the studies on Horqin sandy land and the actual situation of Horqin sandy land were summarized.
综述了科尔沁沙地沙漠化研究的现状和存在的问题,以及科尔沁沙地的实际情况,并提出了今后应进一步加强研究的领域。
Tamarix community is an important vegetation type distributing on flood land and sandy land in Ejin oasis at the lower reaches of Heihe River.
柽柳群落是黑河下游额济纳绿洲重要的荒漠河岸林,有河滩和沙地两个亚群系。
Shabianzi Research Base For Desertified Land Management is situated in semi-arid, mixed farming and grazing zone southwest of Mu Us Sandy Land.
宁夏盐池县沙边子沙漠化土地整治研究基地位于毛乌素沙地西南部半干旱农牧交错区。
Faster leaf decomposition and biomass growth have created a much more fertile soil on once sandy land, which was not always suitable for cultivation.
杨树较快的树叶分解速度和生物量增长可大大提高曾经是不宜耕作的沙质土的土壤肥力。
As the first step for sandy land control, sandy land monitoring can provide effective technical support for the decision and sandy land management project.
沙化土地监测可以为沙化土地工程治理及决策提供有效的技术支持,它是治理土地沙化的首要环节。
GIS techniques are characterized for its rich information and direct, macro and exact vision, and therefore are an effective tool for sandy land monitoring.
GIS技术是航天航空技术与计算机技术的高度融合,具有信息量大、形象直观、宏观、准确等特点,是沙化土地监测的有效工具。
This paper analyzes the spatial and temporal variety regulation of soil moisture and soil moisture characteristic constants on mobile dune in Horqin sandy land.
选择科尔沁沙地典型流动沙丘作为研究对象,分析了流动沙丘土壤水分的时空变化以及土壤水分特征常数的空间变化规律。
Using digital processing method of remote sensing and GIS, TM images in 1996 are interpreted and the database of the sandy land in Gansu province is established.
以TM 影象为信息源,在全数字方式下运用遥感技术与地理信息系统技术结合建立了甘肃省沙地的TM图象数据库、图形数据库和属性数据库。
It had been widely naturalized in sandy land owning to the feature of drought resistance, adapted to poor nutrients environment and the strong sand-fixing capacity.
因其耐旱、耐贫瘠和固沙能力强等特性被在沙地广泛引种。
Therefore, river evolution has very vital initiative and promoting effects on the formation and development of sand-dune groups and sandy land in natural conditions.
这些足以说明,在自然状况下,河流演变在沙丘群和沙地形成演化中起着非常重要的促进作用。
Therefore, river evolution has very vital initiative and promoting effects on the formation and development of sand-dune groups and sandy land in natural conditions.
这些足以说明,在自然状况下,河流演变在沙丘群和沙地形成演化中起着非常重要的促进作用。
应用推荐