我国南方有十四个主要草地植被类型。
South China have fourteen main types of rangeland vegetation.
水淹干扰对草地植被的物种组成及其比例有明显的影响。
The effect of the flooded disturbance to the grassland vegetation was significance in the component and proportion of species.
在整体上，藏西北地区草地植被平均盖度略有增高趋势。
The grassland vegetation coverage in the western region had a marked rising trend while the coverage in the eastern regions had a decreasing tendency.
天然草地植被与农田植被相比，可以较好地减轻水蚀的发生。
Comparing with the cropland, natural grassland vegetation could reduce the water erosion better.
根据草地植被的光谱特征，整理目前常用于草地监测的植被指数。
According to spectrum characteristics of various grassland vegetations, vegetation indexes were settled which are often applied in grassland monitoring nowadays.
试验结果表明轮牧可以减轻草地利用强度，有利于草地植被的恢复。
This experiment's result indicates that rotational grazing could alleviate the utilize intensity of grassland vegetations recovery.
结果表明，天然草地植被盖度、地上生物量和高度随土壤厚度的增加而增大。
The plant community characteristics of different natural restoration grasslands and above-ground biomass were calculated.
“生长期的变化预示着这里用于放牧的草地植被的生物量将减少，”徐教授说道。
"The change in the growing season may mean there is less grassland biomass available for grazing," says Xu.
草地植被是草地生态系统中的第一性生产者，对区域甚至全球气候和环境变化具有很大的影响。
Grassland vegetation, which is the primary producer in grassland ecosystem, has very serious effect on regional climate and even global climate and environment change.
用组平均聚类法将汾河河漫滩草地植被分为12个群落，并对每个群落的群落学特征进行了分析。
The grassland vegetation in flood plain of the Fen River were classified into 12 communities by the group average clustering method. The community characteristics of every community were described.
与此相反，大多数驯服的牛会以小群落存在并长时间的呆在同一个地方，而这对草地植被的健康非常不利。
In contrast, most domesticated cattle are kept in small herds that are stocked for long periods in the same place - a practice that doesn't encourage healthy grasses.
本文运用二元指示种分析TWINSPAN和无倾向对应分析DCA的数学方法对草地植被进行分类与排序。
The classification and ordination of the grassland vegetation are studied with the numerical methods of TWINSPAN (Two-way indicative species analysis) and DCA (Detrended correspondence analysis).
通过对比研究放牧制度及围栏封育对退化草地植被的影响，来探讨划区轮牧在退化草地植被恢复中的作用以及最优的放牧方式。
Through comparing effects between grazing systems and a feedlot system on the degenerated vegetation, the roles of rotational grazing system playing in vegetation recovery were investigated.
与传统的持续性放牧不同，采取积极的规划和管理放牧，恢复草地植被，将使反刍动物不再是草原的负担，而是草原的救星和保护神。
By actively planning and managing the grazing and recovery of the plants as opposed to allowing continuous grazing, ruminants become part of the solution rather than a burden to the land.
通过进一步分析植被根系分布特征和土壤垂直侵蚀产沙之间的联系，建立了草地植被根系生物量与土壤垂直侵蚀产沙特征之间的定量关系。
Further analysis of the root distribution pattern and the vertical sediment yield allowed establishment of a quantitative relationship between root biomass and vertical sediment yield.
在半干旱地区，草地通常是最主要的天然植被，而该地区主要的经济活动是家畜饲养。
The raising of livestock is a major economic activity in semiarid lands, where grasses are generally the dominant type of natural vegetation.
该地区，主要的植被覆盖是高度的针叶树类或草地阔叶树类。
This region contains areas which are primarily covered with either high density conifers or meadow hardwoods.
草地沙化是一个植被、土壤与环境全面退化的过程。
Grassland desertification is also a process of comprehensive degradation of vegetation, soil and environment.
本文研究了鄂尔多斯草地荒漠化过程与植被生物最变迁的关系。
The correlation between the desertification of the grassland and the change of vegetation biomass in Erduosi was reported in this paper.
郑慧莹，李建东。 1999 。松嫩平原盐生植被与盐堿化草地恢复。科学出版社，北京。
Zheng huiying & li jiandong. 1999. the saline vegetation and its restoration on the songnen plains. science press, beijing.
草地是江河源区主要覆盖植被，江河源区草地面积占土地面积的79%。
Grass is the main vegetation of the source region, accounting for 79% of the whole region.
对于森林、草地、江河等自然生态系统，植被选择应以原生种类为主，以促进生态系统进行原生演替；
For forest, grassland and river ecosystems, phreatophyte should be applied to, promoting the primary succession of the ecosystem.
试验采用这种圆盘测定工具在轻度放牧和强度放牧两种放牧强度下对草地牧草的现存量及植被特征进行了观测。
In this experiment the plate meter was used for measuring herbage biomass and observing vegetation characteristics of intensive and extensive grazed pasture.
利用野外模拟降雨试验，研究了植被类型、降雨强度、地表结皮、覆盖杂草等对荒草地和裸地降雨入渗、产流的影响。
The effects of vegetation type, rainfall intensity, surface crust, and weed cover on rainfall infiltration and runoff on grassland and bare land were studied under simulated rainfall conditions.
荒草坡上的草地群落是经人为破坏后演化而成的一种次生植被。
The wild grass communities extensively distributed in North China is a secondary eoenotype into which the primeval vegetation was turned by artificial destroy.
当家畜的放牧时间和载畜率类似于草原生态系统进展下的模式时，草地可保持它的生产力和植被组成。
It is concluded that range ecosystems may sustain their productivity and composition when grazing time and stocking rate resemble the grazing pattern representing the ecosystem progressing.
论述了黄河三角洲草地的形成与演替及当前草地碱化、退化、植被减少、生态系统恶化情况。
The grassland formation and succession in Yellow River Delta were discussed. The salinization, grassland degradation and ecosystem deterioration in the region were described.
应用地统计学方法分析研究了鄂尔多斯草地荒漠化过程中植被地上生物量空间分布的异质性。
Spatial patterns of the above-ground biomass were determined using a geostatistical analysis in the degraded grasslands in Ordos.
研究了阿拉善荒漠草地过度放牧和围封恢复对地上植被特征及土壤有机碳的影响。
The study was carried out within the Alxa desert steppe, Inner Mongolia of north China, Alxa desert steppe is one of serious degraded areas in the semiarid zone of north China.
研究了阿拉善荒漠草地过度放牧和围封恢复对地上植被特征及土壤有机碳的影响。
The study was carried out within the Alxa desert steppe, Inner Mongolia of north China, Alxa desert steppe is one of serious degraded areas in the semiarid zone of north China.
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