查询词典 grazing

Dasiphora fruticosa shrub-land is very common grazing land in Tibet plateau. After overgrazing , its soil physical and chemical characteristics would be out of balance.

金露梅灌丛是东祁连山广泛分布的一种放牧地，长期的过度利用下，使其土壤理化性质发生了相应的变化。

Grazing intensity and resource availability can affect the compensatory growth of defoliated plants.

植物的补偿生长特性受放牧强度和生境资源获得性的影响。

By polarized FT-IR spectra and Grazing Incident-IR spectra the molecules in the LB films were found to show apparent dichromism.

掠角反射红外光谱与透射红外光谱比较及偏振红外光谱实验发现LB膜中分子取向表现出了明显的二向色性，显示在MⅢ和PⅠ的LB膜中介晶基取向趋于垂直于膜面，表面压力升高时更是如此。

The results show that, firstly, Stellera chamaejasme L, which rely on their developed axial root system in the 10～40cm soil layer to occupy the competitive priority of volume, length, surface area and so on, in the case of their adaptive faculty to poor surroundings resulting from fruit picking, trampling and overgrazing as well as with the phenomenon of restrained growth among various plants, gradually become the dominant plant in the herbaceous community; secondly, this kind of degraded grassland has not displayed any general characteristic of degradation such as surface exposure, accumulative quantity of vegetation reduced, water loss, soil erosion and so on, therefor, it should be dealt with distinguishingly; thirdly, if"Stellera chamaejasme L Killer"and"Oxytropis ochrocephala Killer"invented by CAS are taken advantage of respectively in the bloom period of Stellera chamaejasme L and at the beginning of florescence of Oxytropis ochrocephala bunge by ultra-low volume spray of 1. 05L/hm〓 and 1. 35～165L/hm〓 dosage separately, the death rates of poisonous herbs may achieve above 95% and 92% correspondently; fourthly, this technology with the characteristics of high work efficiency, exclusive selectivity and convenient operation, is safe to non-target plants and other animals, and has no toxic or side-effect to environment; furthermore, an execution of"Stellera chamaejasme L Killer"spray and a two-year grazing prohibition can be effectively applied on degraded grasslands of"Weed and Poisonous plants Type".

结果表明：狼毒凭借发达的轴根系在10～40cm土层中形成的体积、长度、表面积等竞争优势，以及对采食、践踏、过度放牧所形成的不良环境的适应能力和异株克生现象的存在，逐步成为草群中的优势植物；毒杂草型退化草地没有表现出地表裸露、植物蓄积量减少、水土流失等一般性退化特征，对该类草地的治理应区别对待；应用中科院研制的'灭狼毒'和'灭棘豆'分别在狼毒盛花期和黄花棘豆初花期，以1.05L/hm〓、1.35～165L/hm〓的施用量超低容量喷雾，毒草的死亡率可达到95％、92％以上；该技术具有工效高、选择性专一、灭效高、操作简便，对非靶标植物和其它动物安全，对环境无毒副作用的特点；采用喷施'灭狼毒'+短期禁牧措施，可以有效治理毒杂草型退化草地。

The reason for this is that grazing sometimes prevents Enteromorpha from taking over.

惊奇地，然而，爱尔兰青苔是最共同的海草在许多浪潮水池。

It is made up of two excluding each other ichnocoenosis, namely epibenthic and endobenthic ichnocoenosis; The third one is quite monotony in fossil types, mainly of trails left behind by sediment-eating or detrital-eating animals grazing or feeding along the surfacial layer or on the surface of the sediments.

包括两个相互排斥的群落，底表生物遗迹群落和底内生物遗迹群落；第三个遗迹组合类别十分单调，主要为食沉积物或食碎屑性动物沿沉积物表面或表层牧食或觅食过程中留下的痕迹。

Roughness, surface crust, erodible fraction, stubble and time of efficacy are the indicators for appraisal. Results show that herd grazing has worst effects on soils; plowing is positive to the soils with lower erodibility and negative to sandy soils.(4) Prediction and control of wind erosion are the end of research. Two famous prediction models WEQ and WEPS were briefly introduced. On the basis of summarizing general theory and methodology for wind erosion control, some key measures are suggested for the region of Ningxia.

评价结果显示秋季耕作、春季耕作、火烧、放牧等活动使农田表层土壤风蚀加剧；（4）首先介绍了美国风蚀预测模型，在比较全面地总结前人研究的基础上，本文概括了防治风蚀的一般原理与方法，针对宁夏地区，除了改进土地利用方式外，注意可风蚀性不同的土壤应采取不同的措施。

Results are as following:The causes of grassland desertification of Hulunbeir are the outcome of interaction of nature and the human beings. Among these reasons, the loose soil texture, which was formed in the fluviolacustrine sediment during Quaternary, establish the physical ground, and the drought and wind is the natural force of grassland desertification. And then over-cutting forest, over-grazing grassland, imbalance of resource utilization and estrepement reduce the coverage of vegetation, therefore provide necessary conditions for the grassland desertification.

其中，形成于第四纪河湖相沉积沙的疏松土壤母质，为日后土壤风蚀奠定了深厚的物质基础；干旱多风的气候条件构成了草地风蚀沙化的自然营运力；而人为过度砍伐沙地林木资源、沙质草地长期超载放牧、资源利用不平衡以及乱垦、滥挖等不合理经济行为，又降低了沙化草地植被覆盖度，为草地风蚀沙化提供了必要条件。

The natural causes were landform, parent materials and weather. The man-made causes were over grazing and estrepement. The natural factors were the basic causes of sandification in Hongyuan.

自然成因包括地形地貌和水文母质因素、气候因素；人为成因包括过渡放牧，滥垦乱抢和疏干沼泽等因素。

The advantageous one mainly included different measures of vegetation restoration such as fencing, rehabilitated fields, abandoned land etc. and polices or laws about desertification debating. The disadvantageous influences included illegal grazing, estrepement, firewood cutting and so on.

有利因子如退耕还草、人工封育、撂荒等草地植被恢复及荒漠化防治措施以及相关的荒漠化防治政策法规的实施，不利因子如偷牧、滥垦、滥樵等。

I go to school at night.

我是上上学。

Clear Tip Nasal Aspirator: A soft time and gentle suction action makes removing excess mucus easy.

鼻吸明确提示：一个柔软的时间和温柔吸力行动使消除过剩的粘液容易。