Stipa steppe是什么意思

网络释义

用法例句

Dynamic changes of the biomass of Stipa steppe around Qinghai Lake;

青海湖区针茅草原生物量的动态变化

Study on community characteristics and community diversity in Stipa steppe of Qinghai Lake region;

青海湖区针茅草原植物群落特征及群落多样性研究

Dynamic study of nutrilite and digestibility of the herbage on Stipa grandis steppe under the different grazing system;

不同放牧制度对大针茅草原营养成分及其消化率的影响

Community features of Scarabaeoidea larvae in Stipa grandis steppe;

大针茅草原蛴螬群落特征研究

Variation of plant population on different grazing gradients, that is, no grazing (CK),light grazing (LG), moderate grazing (MG) and heavy grazing (HG), were studied on Stipa grandis steppe in the Grassland Ecosystem Station of Chinese Academy of Science in Xilmguole League.

　采用对比分析的方法调查了内蒙古锡林郭勒盟中国科学院草原生态系统定位站大针茅草原植物群落在不同放牧梯度下的群落变化,结果表明:随着放牧梯度的增加,群落中的优势种大针茅和羊草等优良牧草的营养枝高度、株丛密度及生物量均明显降低并逐渐被猪毛菜、糙隐子草和冷蒿等耐牧植物所取代,生产力及利用价值下降。

Stipa grandis grassland productivity and utilization in Inner Mongolia: Ⅰ. Dynamics of standing crop of pastures in grazing system;

内蒙古大针茅草原草地生产力及其可持续利用研究Ⅰ.放牧系统植物地上现存量动态研究

There are 11 species of grasshoppers (Acridoidae) on the Stipa grandis grassland in Xiling Gol River region in Inner Mongolia.

大针茅草原蝗虫的常见种类有１１种，其中７种属蝗亚科。

Characteristics of net ecosystem flux exchanges over Stipa krylovii steppe in Inner Mongolia;

内蒙古克氏针茅草原生态系统-大气通量交换特征

Variation of Net Ecosystem Carbon Flux Exchange Over Stipa krylovii steppe in the Growing Season

克氏针茅草原生态系统生长季碳通量变化特征

With grazing allowed as the control,the effects of grazing blocked by fencing on aboveground and under ground growth in Stipa krylovii steppe of Mongolia were investigated by soil coring and harvesting method.

以自由放牧为对照,采用收获法和土芯法研究了围栏禁牧对蒙古国退化克氏针茅草原地上、地下部生长的影响,结果表明:(1)与自由放牧相比,围栏禁牧提高了退化草原地上生物量,以及地带性草原群落优势种克氏针茅的地上生物量比例和重要值,促进了退化克氏针茅的正向恢复演替;(2)围栏禁牧区与自由放牧区草地地下生物量都随土层深度增加而降低、符合指数函数或幂函数减小规律,围栏禁牧区0~10 cm土层的根系生物量占地下生物量比例高于自由放牧区,10~20 cm土层的低于自由放牧区,根系有向上层土壤聚集的趋势,有利于在干旱地区对有限降水的有效利用;(3)围栏1~3 a禁牧区地下部累计生产力显著高于同期自由放牧区。

Research on dynamic changes of soil enzymes and some ecologic factors with seasons in stipa breviflora desert steppe;

短花针茅草原土壤的酶活性及其生态因子的季节动态变化研究

Comparison study on the Response of Plant Population to Different Grazing Systems in Stipa breviflora Desert Steppe;

短花针茅草原主要植物种群特征对不同放牧制度响应的比较研究

The comparison of rotational and season-continuous grazing systems were conducted in Stipa breviflora desert steppe with sheep in five years and the characteristics of vegetation,soil,and livestock performance were measured in order to get the theoretical basis for the rational utilization of rangeland.

利用绵羊野外放牧试验 ,连续 5 a在内蒙古高原短花针茅草原研究划区轮牧和季节连续放牧对草地植被、土壤和家畜生产性能的影响 ,为草地合理利用提供理论依据。

Under rotational grazing at medium grazing pressure, biomass of underground part in the Stipa breviflora steppe increased, however, annual productivity decreased.

在短花针茅草原上，中度强度轮牧下，群落地下部分生物量现存量增加，但年生产力降低，轮牧区比封育区低１２。

The flora characteristics of Stipa breviflora steppe in Inner Mongolia at different levels of family,genera and species were studied.

对短花针茅草原种子植物科、属、种的区系特征进行了统计分析,结果表明:①研究区共统计种子植物31科,96属,161种,并集中分布在几个大科,区系的优势现象明显;②属种比为1∶1。

Soil micro-organism number,soil nutrients and the relationships between of them in different gradients in Stipa breviflora steppe were studied.

研究了短花针茅草原不同季节、不同放牧梯度内土壤微生物数量、土壤养分的变化及土壤微生物与土壤养分之间的相关性,结果表明:轻度放牧区(LG)和重度放牧区(HG)内土壤微生物数量春季最高,土壤微生物数量(0-10 cm)在三个放牧区内随着季节的变化均呈下降趋势。

Study on Sheep Grazing System of Stipa Breviflora Desert Steppe;

短花针茅草原绵羊放牧生态系统研究

Grazing Effect on Vegetation and Soil in Stipa Breviflora Steppe and Rough Fescue Grassland;

放牧对短花针茅草原及糙羊茅草原植被和土壤影响的研究

Effect of livestock exclusion on abundance of grasshoppers on Aneurolepidium chinense and Stipa grandis steppes

围栏禁牧对羊草草原和大针茅草原蝗虫丰富度的影响

The Influence of Grazing Intensity on the Hydrological Effects of Stipa Grandis Steppe;

放牧强度对大针茅草原水文效应的影响

The Influence of Stocking Rates on Plant Community Characteristics of Stipa Breviflora Desert Steppe;

载畜率对短花针茅草原植物群落特征的影响

Variation of Net Ecosystem Carbon Flux Exchange Over Stipa krylovii steppe in the Growing Season

克氏针茅草原生态系统生长季碳通量变化特征

Floristic Study of Spermatophyte on Stipa breviflora Steppe Distributed in Inner Mongolia

内蒙古短花针茅草原种子植物区系研究

Vegetation Analysis and Mapping of Stipa Breviflora Desert Steppe in Ordos Plateau, Inner Mongolia

内蒙古鄂尔多斯高原短花针茅草原植被分析与制图

Effect of Grazing on the Soil Reserve Nitrogen Season Dynamics of Stipa

放牧对短花针茅草原生态系统土壤贮氮季节动态的影响

The Response of Stipa Breviflora Grassland Ecosystem to Sheep Stocking Rates;

短花针茅草原生态系统对不同载畜率水平绵羊放牧的响应

Plant Reproductive Ecology of Stipa baicalensis Steppe Community in Inner Mongolia;

内蒙古贝加尔针茅草原群落植物繁殖生态学研究

Indicators of Health Assessment and Community Characteristics in Stipa Baicalensis Steppe under Grazing;

放牧条件下贝加尔针茅草原群落特征及健康评价指标的选择

The Influence of Stocking Rate on Plant Community and Eco-physiology of Main Plant Populations in Stipa Breviflora Desert Teppe;

载畜率对短花针茅草原植物群落及其种群生理生态的影响

The Influence of Stocking Rate on Plant Community and Sheep in the Grazing System of Stipa Breviflora Desert Steppe;

载畜率对短花针茅草原放牧系统植物群落和绵羊影响的研究

Chromosome Numbers and Karyotypes of Stipa baicalensis,Stipa grandis and Stipa krylovii in Inner-mongolia Steppe

内蒙古中东部草原贝加尔针茅、大针茅和克氏针茅的染色体核型分析

DYNAMICS AND ECOLOGICAL STABILITY OF FORM. STIPA BREVIFLORA DESERT STEPPE

短花针茅荒漠草原动态规律及其生态稳定性

The Research of Spatial Distribution Patterns in Stipa Breviflora Desert Steppe;

短花针茅荒漠草原植物群落空间分布格局研究

A Study on Sheep Diet of Different Stocking Rates on Stipa Breviflora Desert Steppe

短花针茅荒漠草原不同载畜率绵羊食性研究