查询词典 vegetation

Tigers seem to thrive in areas of dense vegetation with numerous sources of water and large populations of ungulate prey.

它们似乎能在水源和食物来源丰富的密林地带茁壮成长。

The analysis results for community species component and plant diversity showed that exclusion did change the species component and increase plant diversity remarkably, while the indicateor life-form structure, palatability analysis indicated that community for old exclusion is becoming perennity and unpalatability, whereas community for comparative exclusion is under stable non-equilibrium condition, in the view of vegetation coverage, mean height, biomass, palatability of plant composition, community for old exclusion has lower than new, comparative exclusion which proves partly that long-term exclusion can not increase grazing values for semi-arid rangeland.

对3种封育措施群落组成和生物多样性的分析结果表明，封育改变了群落的组成成分并增加了生物多样性，同时对群落植物的生活型、饲用价值分析计算结果则显示，老封育的群落植物逐渐向多年生发展，放牧价值开始降低，而对照区则明显处于一种非平衡的稳定状态。从3种措施植被的盖度、高度、生物量和饲用价值来看，老封育区均低于新封育区和对照区，表明长期封育不利于促进并提高草场的放牧利用价值。

Although much effort has been exerted to set up artificial vegetation coverage since the establishment of the People's Republic of China, the trend of desertification and soil loss is still unreversed.

建国后虽然进行了较大规模的人工林草植被建设以及以小流域为单元的综合治理，但水土流失和土地退化总的趋势并没有得到扭转，而且人工林草植被造成土壤干燥化，进一步加剧了生态环境的脆弱性。

According to the sensitivities of variance coefficients and relative range of soil properties, we found that nitrate, available phosphorus, labile organic matter, urase, invertase, and organic matter can be used as the assessing index, which can evaluate soil quality under various re-vegetation ecosystems in the Loess Plateau.

根据变异系数和相对极差的敏感性发现在定量评价黄土高原不同植被恢复生态系统土壤质量时，可选择硝态氮、速效磷、活性有机质、脲酶、蔗糖酶和有机质等极敏感和高度敏感土壤性质作为评价指标。

The picturesque Xishuang Banna, surrounded by green mountains covered with sub-tropical trees and vegetation, is located in a large flat valley bordering on the Lantsang River.

美丽如画的西双版纳位于平坦的澜沧江河谷地带，四周是亚热带的深山密林。

The synthetic evaluation of soil biology---biological fertility indices were (0-40cm depth of soil, same below): 0.635 →0.074 →0.014 . Significant degradation of soil texture, obvious decrease of soil organic matter , and increase of the availability of aluminum were found in the degradation series. Along with the fast vanishment of vegetation, the number of soil microbe and enzymatic activities decreased drastically, among which protease activity degraded most markedly and was only detected in soil of ZR.

土壤物理性质中，土壤质地发生了根本性退化；土壤化学性质中，随着植被的退化，有机质含量的减少和Al的有效性的提高都很明显；土壤微生物和酶活性中，各类微生物的数量退化非常显著，其活性也随植被的退化急剧减弱，酶活性也大大降低，以蛋白酶活性降低最为显著，大部分退化地段未检测出蛋白酶的活性。

The variation of OC corresponded with those parameters, which suggested vegetation plays an important role on OC.

有机碳含量的变化与这些植被参数具有良好的对应关系，说明植被变化是控制有机碳含量的重要因素。

But more than 100 meters of vegetation types are divided into three parts.

但超过100米的植被类型分为三部分。

But vegetation is essential to the people's living in the city.

但是绿色植物对于城市人们的生活是必不可少的。

He made a thorough study for the vegetation in this area.

他对这个地区的植被做了彻底的调查。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。