查询词典 steppe

Basesd on the precipitation difference in Tsaidam Basin of Qinghai Province, three sampling areas, including Geremu, Delinghan and Doulan, were selected, and then three sapmling plots in each sampling area were selected to study the characteristics of plant community which dominated by Ceratoides lateens, Nitraria tangutorum, Tamarix chinensis, Kalidium gracile, Haloxylon ammodendron and Salsola arbuscula respectively. At the same time, the morphological and physiological features of above-mentioned 6 species were measured for probing their drought tolerance. By using the subordinative function method, grey correlative degree analyse and no-weight index comprehensive evaluation method, their drought tolerance were compared as well. The results were showed as follows: The main xeric vegetation types in the desert steppe of Tsaidam Basin were Nitraria tangutorum community, Tamarix chinensis community, Haloxylon ammodendron community, Kalidium gracile+Salsola arbuscula community, Ceratoides lateens+ Haloxylon ammodendron+Kalidium gracile community.

根据青海省柴达木盆地不同地区历年降水量差异，在研究区内选择格尔木、德令哈、都兰3个采样区，每个样区内确定3个采样点(表示为D11、D12、D13、D21、D22、D23、D31、D32、D33)，以样区内唐古特白刺、甘蒙柽柳、梭梭、木本猪毛菜、里海盐爪爪、驼绒藜等6种主要植物为研究对象，通过调查采样地区群落特征，观测植物形态解剖特征，测定植物脯氨酸、可溶性糖、叶绿素、超氧化物歧化酶、过氧化物酶和过氧化氢酶等生理指标，研究了柴达木盆地6种植物抗旱生理特性及抗旱特性，用模糊数学隶属函数法、灰色关联分析和非加权指数评价法分别对6种植物的各个抗旱性指标进行了综合评价。

Vegetation ecotype tend to be xerophyte and even hyper-xerophyte and finally replaced by annual plant. Community structure and species diversity also decrease as the ecological environment worsen, In this process, the height, coverage and biomass decreases by 56.6%、 80.8% and 74.2% respectively compared to steppe, and the indices of species richness, diversity and evenness decrease by 76.4%、 56.7% and 32.0%, but β diversity indices increase by 14.6 times, especially the decease of species gregariousness and the breadth and overlay of species Niche shows that grassland tend to be more sandy and vegetation retrogression succession take place.

其中，植被生态型逐渐由中旱生向旱生、超旱生过渡，并最终被一年生植被替代；群落结构及多样性呈明显递减规律，到严重沙化阶段，草群高度、盖度、生物量与典型草原相比，下降幅度分别达到56.6%、80.8%和74.2%；物种丰富度、多样性及均匀性分别降低76.4%、56.7%和32.0%；而群落β多样性增长14.6倍，特别是多年生物种群聚度降低和生态位宽度、生态位重叠值的下降，表明草地沙化，植被发生逆行演替。

is a dominant seed harvester ant in the desert steppe ecosystem of northwest China.

Smith］是西北荒漠地区典型的食种子蚂蚁种类之一。

The mapping analyze shows that there are mainly 7 ecosystems including rollinghill/loessial soil/farmland ecosystem, rollinghill/loessial soil/hassock grass steppe ecosystem, plain/loessial soil/farmland ecosystem, sandy land ecosystem etc.

制图分析得出陕西段主要生态系统有丘陵黄绵土农田生态系统、丘陵黄绵土丛生禾草草原生态系统、平原黄绵土农田生态系统、沙地生态系统等。

The following conclusions have been made in this paper.(1) Based on CO_2 flux data of eddy covariance, variation characteristics of gross primary productivity in four flux observation stations were studied, which are an alpine meadow, an alpine shrub meadow, a swamp alpine meadow and a steppe alpine meadow at Dongxiong. The results show that photosynthetic capacity of the alpine meadow is the highest, and the annual total GPP is 652.2g C/m~2. Daily-differencing approach is used to analyze the random error of CO_2 fluxes measurements. The results show that the distribution of random error follows more closely follows a double-exponential, rather than a normal distribution, capturing the high peak and thick tail, and the random error varies with environment variables, which violates the assumptions for the ordinary least squares fitting with normality and homoscedasticity, consequently, we introduce maximum likelihood method for parameter optimization.

本文主要在以下几个方面开展工作并获得了一些认知和结论：(1)通过分析样带区域内高寒草甸、高寒灌丛、沼泽化湿地和草原化高寒草甸四个通量观测站点草地生态系统总初级生产力变化特征，研究结果表明HBBT矮嵩草草甸生态系统植被光合作用能力较强，年GPP总量为652.2 gC/m~2，明显高于其他三种生态系统；通过利用"单塔日变化法"获得四站点通量观测数据随机误差，结果表明通量观测随机误差概率分布呈现尖峰厚尾的特征，与正态分布相比，更服从双边指数分布，进一步分析表明通量观测随机误差随环境变量(风速、温度和光合有效辐射)的变化而变化，这违背了普通最小二乘法进行生态过程模型参数优化正态分布且误差同质的假设，因此本研究中引入最大似然法进行生态过程模型参数优化。

Is a tropical steppe weather western region, the southwest department is the most blazing hot half of whole islandses hungriness region, dry and little rain.

西部为热带草原气候，西南部是全岛最炎热的半荒漠地区，干旱少雨。问题补充：尽量简单翻译，翻译得好+20加分

It is understood that the 7-8 month of Inner Mongolia is the golden season of tourism can not only dilute the steppe Ren Lamu summer and watch the sunrise grassland, horse race, wrestling shows, Kumiss drinking, eating烤羊腿, Secrets of Genghis Khan Mausoleum brilliant ,响沙湾willing to experience滑沙silver, desert motorcycle, cable slide desert, desert surfing and other entertainment projects, but also to China, one of the three ring desert Kubuqi Desert sand ring mysterious feeling, here you victory can be used both hands to hit each other golden sand, you can hear the roar of the sound issued.

据了解，7、8月份正是内蒙古旅游的黄金季节，除了可到稀拉穆仁草原避暑，观草原日出，看赛马、摔跤表演，喝马奶酒，吃烤羊腿，探秘辉煌的成吉思汗陵，往银肯响沙湾体验滑沙、沙漠摩托车、沙漠滑索、沙漠冲浪等娱乐项目，还可到中国三大响沙漠之一的库布齐沙漠感受神秘的响沙，在此处你可用双手捧起金灿灿的沙砾互相击打，就能听到其发出轰鸣之声。

By using the method of comparative geography, the continuity and discontinuity between alpine meadow and its neighboring and alike landscapes have been studied in order to indicate that the alpine meadow zone is the transitional landscape from montane forest to alpine steppe and it can be regarded as a large altitudinal belt compared with the latitudinally distributed tundra on a global scale.

首先，用比较地理学的方法探讨了高寒草甸与其相邻和相似景观之间存在的连续性和间断性，说明地带性的高寒草甸景观是从山地森林景观向高寒草原景观的过渡；而在全球空间尺度范围内，作为"大垂直带"的高寒草甸，与纬向分布的极地苔原具有可比性。

The variance analysis of blood protein polymorphic loci and its performance indicates that two protein loci have a positive or negative correlation with some traits of red steppe and the improved limousin cattle population.

结论］血液蛋白多态性位点与生产性能的方差分析表明，2个蛋白位点对草原红牛及其利木赞改良牛群体的某些性状存在正相关或负相关。

Two blood protein polymorphic loci were detected in transferring and posttremsferr from thirteen red steppes and eighteen hybrid of limousin and red steppe by polyacrylamide gel electrophoresis.

方法］采用聚丙烯酰胺凝胶电泳法检测了13头草原红牛和18头利×草杂交牛的转铁蛋白和后转铁蛋白2个血液蛋白多态性位点。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。