The land started to get drier, which in turn caused a huge decrease in the amount of vegetation because vegetation doesn't grow as well in dry soil, right?
土地开始变得干燥,这反过来又导致了植被数量的大量减少,因为植被在干燥的土壤里无法生长得很好,对吧?
The University of Arizona is also studying the hydrological effects of desert vegetation changes, and the rainforest dynamics of carbon, oxygen and vegetation in a variable-climate setting.
亚利桑那大学也在研究沙漠植物变化的水文效应、碳氧的雨林动态和可变气候环境中的植物。
Scientists also rely on the Normalized Difference Vegetation Index (not shown) to observe vegetation.
科学家根据标准化植被指数对植被进行了观测(未显示在上图)。
Vegetation synthesis is dependent on vegetation analysis.
植被综合取决于植物分析。
Using a generic vegetation brush, I quickly layout some vegetation on the foreground ocean floor.
使用一个通用的植被刷,我很快布局一些植被的前景洋底。
Vegetation classification is an important part of vegetation research, which is also the most complex problem in that field.
植被分类是植被研究的重要组成部分,亦是植被研究中最复杂的问题之一。
Each vegetation area divided has not only quantitative basis, but also conforms to the pattern of regional vegetation differentiation.
分出的每级植被区,不仅具有定量的依据,而且符合植被的区域分异规律。
The research of vegetation classification can provide scientific evidence for the protection and rational use of vegetation- related laws and regulations.
植被分类研究能够为制定与保护和合理利用植被相关的法律法规及措施提供科学依据。
The vegetation has been added to the existing vegetation is characterized mainly local vegetation such as olives, oaks, figs, etc.
新植物被添加到到原有植被中,主要以当地植物为特点,如橄榄、橡树、无花果等。
Fig. 2 Spatial distribution of various vegetation formations in dry valleys of Southwest China. Different colors represent different vegetation types.
图2中国西南干旱河谷的植被群系空间分布。不同颜色代表不同植被型。
Vegetation is Laiyuan County of North China flora, the majority of existing vegetation for irrigation in the bushes, followed by natural secondary forest and plantation, forest coverage is 18.24%.
涞源县植被属华北植物区系,现有植被大部分为灌草丛,其次是天然次生林和人工林,森林覆盖率为18.24%。
The plant community styles in Beijing are luxuriant, including 2 groups of vegetation type, 5 vegetation types, 18 formations and 78 community types.
北京湿地植物群落类型丰富,共包括沼泽型组和浅水植物湿地组2个植被型组、5个植被型,18个群系组和78个群落类型。
Study on soil wind erosion and vegetation efficiency of wind and prevention sand resistance artificial vegetation at sand-land in yongding river in beijing.
北京市永定河沙地土壤风蚀与人工植被防风阻沙效益研究。
After assuring the slope stability, we study the vegetation choice and the recovery vegetation, derive the project procedure and the technical key of recovery vegetation in the tailing-dam.
在边坡稳定性得到保证之后,对边坡的植被选择和复垦技术进行了研究,得出了进行尾矿坝复垦的工程步骤和技术要点。
Slope increased the compositional complexity of vegetation types within each vegetation zone.
由于坡度的影响,增加了带谱内植被组成的复杂性。
During the study of recovery vegetation and vegetation choice, I study the project procedure and the technical point in the tailing-dam field.
在进行植被选择和复垦的研究中,得出了对尾矿坝进行复垦的工程步骤和技术要点。
The coverage of vegetation between 2000 and 2005The area of 60%-100% coverage of vegetation increased, especially the 80%-100% coverage of vegetation.
2000年至2005年植被盖度60%到100%的面积有增加的趋势,其中盖度80%剑100%之间的增长幅度较大;
Only Vegetation Use this feature to only move or copy vegetation objects.
改变方框的尺度,它用来确定移动和拷贝区域的大小。
So vegetation restoration research not only can illuminate the key restraint factor of vegetation recover, but can give the theoretic supports to the vegetation eco-system's reconstruction.
因此,对该区进行植被恢复研究,不仅可以阐明制约植被恢复的关键因素,而且对植被生态系统的恢复重建提供理论依据。
How to assess quantitatively the desiccation of deep soil layer is of great importance to determine the reasonable vegetation type and density and guarantee vegetation rehabilitation.
如何定量评价深层土壤的干燥化程度,有助于确定适宜的植被类型和密度,保证人工植被建设的顺利进行。
The impacting degree of tourism activities on vegetation was confirmed by Impact Vegetation Index (IVI).
本研究以植被影响指数(IVI)来衡量旅游活动对植被的影响。
The optimum vegetation index and methods for collecting vegetation information in loess plateau area were studied and appraised.
研究评价了适于黄土高原地区植被信息提取的最佳植被指数和方法。
As to technology and economic cost synthetically, extracting urban vegetation features by vegetation indices from Thematic Mapper (TM) images is a comparatively good way.
利用植被指数从TM影像中提取植被,从技术与经济成本方面综合考虑,是一个比较好的手段。
The spatial distribution of vegetation VOC emission fluxes is corresponded with the distribution of the vegetation and vegetation VOC emission fluxes are also varying with the seasons.
植被VOC的排放量分布情况与中国植被的分布情况有一定的相关性,并且VOC 的排放情况具有明显的季节依赖性。
Because of fragmentation, intersection and high heterogene of vegetation patches, vegetation landscape showed a very complex and mosaic distribution pattern.
由于植被斑块破碎,相互交错,空间异质性高,景观要素或者斑块类型表现出十分复杂的空间镶嵌的分布格局。
Because of fragmentation, intersection and high heterogene of vegetation patches, vegetation landscape showed a very complex and mosaic distribution pattern.
由于植被斑块破碎,相互交错,空间异质性高,景观要素或者斑块类型表现出十分复杂的空间镶嵌的分布格局。
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