高寒草原

4）高寒草原在3600&3800m（阳坡上升到4200m以上）；

Alpine steppe , 3600 & 3800 m ( sunny slope up to over 4200 m ) .

地上生物量主要集中于高寒草原和高寒草甸，两者占总量的41.7%；其次是典型草原、山地草甸和荒漠草原，分别占19.0%、18.3%和14.6%；

The grassland aboveground biomass is distributed primarily in alpine steppe and alpine meadow , which accounts for 41.7 % .

RS、GIS支持下高寒草原退化过程中土壤流失及治理模式仿真研究

A simulation of soil erosion and prevention-control pattern in process of alpine grassland degeneration based on RS and GIS

高寒草原Shannon-Weiner指数、Simpson多样性指数和均匀度指数分别为2.13、0.85和0.81，山地灌丛草原则最低只有1.36、0.65和0.65。

Shannon-Weiner index 、 Simpson index and Species evenness index were 2.13 , 0.85 and 0.81 of frigid grassland , which were 1.36 , 0.65 and 0.65 of upland brushy grassland .

氨气敏电极测定高寒草原水中的氨氮

Ammonia-N Estimation in Water at High-cold Grassland Using Ammonia Sensitive Electrode

青藏公路取土场高寒草原植被的恢复进程

The alpine steppe vegetation restoration process of fountainhead region of Yangtze River

甘南玛曲高寒草原生态环境退化现状与治理对策

The present situation of eco-environment degradation and Countermeasures in Maqu County Gannan

高寒草原移民模式&退牧还草；

High and cold grassland immigration mode & return pastoral area for grassland ;

黄河源头高寒草原植被退化特征分析

Feature analysis of vegetation degradation on Alpine Grassland in Yellow River source region

不同放牧强度对肃北高寒草原土壤肥力的影响

Influence of Different Grazing Intensity to Soil Fertility in the Subei Alpine Steppes

东祁连山高寒草原柳灌丛&草地群落结构研究

Studies on community structure of Salix shrub in alpine grassland of east Qilian Mountain

通过卫星资料的分析表明，在森林线以上分布的主要植被有高寒草原、高寒草甸和山地草甸；

Steppe , alpine meadow and montane meadow were subsequently found to dominate above the tree line .

高寒草原放牧绵羊瘤胃液酸度、温度和游离氨浓度的动态变化

Dynamic of pH , Temperature and Ammonium Concentrations in Rumen Fluid of Sheep Grazed on Alpine Grassland

牦牛放牧强度对高寒草原植被群落及土壤养分影响的研究

Study on the Effect of the Plant Community and Soil Nutrient of Alpine Grassland on Yak Grazing Intensity

高寒草原不同季节对草原红牛群体发情频率及情期受胎率影响的研究

Effects of Season on Heat Rate and NR Rate of Red Steppe Cattle in Grassland of Paramo Type

三江源区高寒草原草地不同退化程度土壤养分变化

The changes of alpine grassland soil nutrition at different deteriorate degree on high mountain meadow of Three River Source

高寒草原植物群落稳定性相对较差，草地群落为适应新的生境而发生了自然演替；

Alpine grassland community had relatively low stability , grassland community successed naturally to adapt to the new environment ;

念青唐古拉山东南坡高寒草原生态系统表层土壤有机碳分布特征及影响因素

Influential Factors and Distribution Characteristics of Topsoil Organic Carbon in Alpine Grassland Ecosystem at Southeast Slope of Nyainq ê ntanglha Mountain

被开垦的高寒草原，通过弃耕实现草地植被自然恢复，可以有效实现草地土壤碳、氮库的积累。

Therefore , the natural recovery of grassland vegetation by abandonment measure was able to achieve SOC and TN pools accumulation .

所以柴达木盆地在植被区划上应当是欧亚草原区青藏高原高寒草原亚区的一个下属分区单位。

Since then Chaidam Basin ought to belong to the subregion of cold steppe of Qing-Zang plateau in the Eurasia steppe region .

青藏公路沿线高寒草原植被的人为破坏影响是明显的，植被的自然恢复需要20年左右的时间。

However , in the region destroying of the alpine steppe vegetation was obvious , needing about 20 years for natural resonation .

分别对轻度退化、重度退化和极度退化的高寒草原草地土壤养分进行测定。

The series of nutritive ingredients of high mountain meadow soil , heavy degree degeneration and deteriorate extremely were studied in this study .

荒漠地带为：矮半灌木山地石漠-高寒草原-高寒草甸-高山稀疏植被；

In the arid desert zone : dwarf semi - shrub mountain rocky desert - alpine steppe - alpine meadow - alpine sparse vegetation ;

土地利用方式和植被退化对青海湖北岸高寒草原土壤碳氮含量的影响

Effects of Different Land-use Types and Vegetation Degradation on Soil Carbon and Nitrogen Content of the Alpine Steppes in the Northern Region of the Qinghai Lake

本文论述了高寒草原的区系组成，地理成分、生活型和层片、生态类群与生长发育节律等方面的特点，描述了7个主要群落类型，并探讨了它们的生态地理分布规律。

This paper discusses the floristic composition , geographical elements of flora , life-forms and synusiae as well as ecological groups and growth rhythm of this type of vegetation .

研究结果表明，终年放牧在高寒草原的牦牛普遍缺钙缺磷，缺磷问题尤为突出。

The results indicate that problems of deficiency of calcium and phosphorus , especially phosphorus , are common in plateau pasture in a whole year , especially in cold months / seasons .

高寒草原类、高寒草甸类牧草多样性指数在3.3～6.6之间，多样化程度高于温性草原类。

Herbage diversity indices were between 3.3 and 6.6 for alpine grassland and alpine meadow for which diversity levels were higher , the diversity degree of grassland was higher than that of temperate grassland .

用标准添加法测定了高寒草原中雨水、河水、泉水及井水中氨氮含量在0.05ppm左右，其平均回收率97.9±3.3%。

Ammonia-N was estimated in rain water , river water , spring water and well water at high-cold grassland using standard addition method . The ammonia-N concentration was about 0.05 ppm , and the mean recovery was 97.9 ± 3.3 % .

青海湖地区主要草地类型包括高寒草原、高寒草甸、高寒荒漠、沼泽化草甸等，其中高寒草原和高寒草甸所占的面积最大，在畜牧业经济和生态保护中也最为重要。

Alpine steppe 、 Alpine meadow 、 desert steppe 、 Wetland meadow is mostly grassland types in Qinghai lake area , the area of Alpine steppe and Alpine meadow is the largest , they is important in economy of animal husbandry and ecological protection .

青海省草原总站于2003年进行了沿途植被群落的实地调研。其植被类型可分为高寒草原、高寒草甸、高寒灌丛、垫状植被、高山流石坡稀疏植被等。

The field survey was carried out along the highway by Qinghai provincial grassland station in 2003.The results showed that the type of vegetation were alpine grassland , alpine meadow , swamp , shrubs , cushiony vegetation and alpine stonily sparse vegetation and so on .