Widespread distributed pure carbonate rock is the basis on which stony desertification formed while relief and vegetation retrogression process can also promote desertification.
广泛分布的纯碳酸岩是形成石漠化的基础,地貌植被退化过程也可促进石漠化。
The dynamics of accumulatively appeared family, genus, and species in the vegetation succession process were well described by logarithmic function.
植被演替过程中累积出现的植物科属种数的动态变化可以用对数函数进行较好地描述。
Grassland desertification is also a process of comprehensive degradation of vegetation, soil and environment.
草地沙化是一个植被、土壤与环境全面退化的过程。
In this study, simulating rainfall was applied to study the runoff process and infiltration rate of soil under the cover of vegetation at the preliminary succession stages.
利用模拟降雨装置,研究了演替恢复初期不同植被覆盖以及不同处理下坡面降雨的产流过程和入渗率。
Meanwhile, in the process of ecological environment construction, the middle and high grade vegetation fraction degraded.
与此同时,在生态环境建设过程中,原有中、高覆盖度植被发生退化。
The content of total phosphorus varied little in the process of vegetation restoration.
植被恢复过程中,土壤全磷含量变化很小。
In Geolord-AT three-dimensional triangulation process, artificial factors, complexity of surface feature , vegetation and so on cause the encrypted dot rude difference.
在空三加密过程中,由于人为因素、地物的复杂性、植被及遮盖物等引起的加密点粗差;
So from the feature and manufacturing technology of submerged vegetation, 45% is the best moisture while removing Sodium sulfate on the process of drying submerged vegetation.
因此,从沉水植物的物料特性和草产品加工工艺上来看,在干燥过程中当沉水植物的含水率为45%时去除硫酸钠较为合适。
Et, as an important component of water cycle, plays a significant role in the research of water cycle process, vegetation regulation to water process and sustainable use of limited water resources.
蒸散作为水循环的重要环节对于了解水循环过程、植被对水文过程调节作用、合理利用有限水资源都有重大意义。
During the vegetation rehabilitation process, soil properties were changed correspondingly.
在植被的恢复过程中,土壤性质也发生了相应的变化。
As an important component in hydrological process, forest vegetation influences critically the spatial distribution of hydrological fluxes such as precipitation, evapo-transpiration, and runoff.
森林植被层作为水文环境要素,对降水、蒸散和径流等水文通量在空间上的分布特征有着重要的影响作用。
And is described as a physical synthesis which composed of water, soil and vegetation and the process is dominated by that of water in the surface layer of the earth.
是地球表层上由水、土和适生植被相互作用构成,其内部过程为水所控制的自然综合体。
Well-targeted Suggestions for land reclaim, vegetation restoration, pollution control on soil and underground water and management on key process in petroleum exploitation were offered.
提出了土地复垦、植被修复、土壤地下水污染处理以及石油开采关键过程管理的具体对策建议。
The karst region is very fragile eco-environment with slow soil formation process, shallow and discontinuous soil, small water holding capacity, and low vegetation coverage.
喀斯特环境有成土过程缓慢、土层浅薄、土被不连续、土壤持水量低、植被覆盖率低的特点。
The natural successional process can be used in the vegetation recovery of island. The island restoration is based on the restoration of community or ecosystem level.
海岛植被恢复可参考其群落演替过程,其恢复至少是一个群落或生态系统水平的恢复。
Soil cracking is a complicated process, which has great influence on soil properties, vegetation growth and soil solute transportation.
土壤开裂是一个复杂的物理过程,裂缝形成对土壤性状、作物生长以及水分溶质运输均有重要影响。
The number of the heliophytes in the communities decreased gradually, while mesophytes increased with the process of vegetation restoration.
随着植被的恢复进程,群落的阳性种类逐渐减少,中生性种类逐渐增加。
The formation of LMLS is a specific phenomenon during the process of climatic drought, and is one of the direct causes of vegetation pattern evolution.
土壤干层的形成是气候干旱化过程中必然出现的现象,它是导致植被演替的直接原因之一。
Algae and mosses are not only two common pioneer plants in the process of vegetation succession but also two groups with the highest biomass in the biological soil crust.
藻类和苔藓植物是荒漠植被演替过程中常见的两类先锋植物,同时也是生物结皮中生物量最大的2个类群。
A simple conception model of the interactions between the vegetation physiological process and the climate is also concluded.
文中还归纳出了植被生理与气候相互作用的简单概念模型。
Research shows, during the process of the impact of vegetation to runoff, that mixed forest has the most obvious extension of the rain forest, followed by broadleaved forest, shrubs, bamboo forest;
研究发现,在植被影响径流过程作用中,混交林延长降雨历时作用最为明显,其次为阔叶林、灌丛、楠竹林;
The desiccation of deep soil layer on the Loess Plateau results from the gradual depletion of storing water during the process of vegetation rehabilitation.
黄土高原地区深层土壤干燥化是人工林草植被过度耗水导致土壤水分负平衡的结果。
Under the artificial vegetation, soil forming process has been started although it is still in an initial stage, and the biological sand-fixing effect is obvious.
人工调控下的绿地,流沙开始成土发育,但发育仍处于初级较低水平,生物固沙取得明显效果。
The major succession processes of vegetation association are consistent with the process from which the shifting sand turned into fixed sand . the models of succession series are: Comm.
基质条件和人为影响是豫北沙地植被演替的主要因素。主要的演替形式是由无植被向固定沙地稳定群落的进化型演替。
Throughout the construction process, the Danish and Swedish environmental agencies have surveyed but found no changes in the wildlife, birds, fish and vegetation surrounding the bridge.
整个建设过程,丹麦和瑞典的环保机构都进行了勘察,没有发现大桥周围的野生动物,鸟类,鱼类,蔬菜等产生变化。
The system comprised terrain and meteorological data pre-process module, vegetation dynamic simulation module (including disturbance) and results analysis module.
干扰模拟体系由地形数据预处理、气候数据预处理、植被动态模拟(含干扰)、结果分析四大模块组成。
Red mud is the high alkaline tailings from the production process of alumina, the tailing dam of red mud has adverse environmental impacts and its vegetation construction can be very difficult.
赤泥是氧化铝生产中排出的高碱性尾矿,赤泥堆场对环境造成不良影响,植被恢复困难。
Red mud is the high alkaline tailings from the production process of alumina, the tailing dam of red mud has adverse environmental impacts and its vegetation construction can be very difficult.
赤泥是氧化铝生产中排出的高碱性尾矿,赤泥堆场对环境造成不良影响,植被恢复困难。
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