Natural grassland是什么意思

网络释义

用法例句

New model for projection pursuit dynamic cluster and its application to classifying natural grasslands;

投影寻踪动态聚类模型及其在天然草地分类中的应用

Analysis of time series spectrum feature parameters derived fromdominant natural grasslands in the region around Qinghai lake;

环青海湖地区天然草地时序光谱特征参量分析

Evaluation of grassland ecosystem services in Xilin River basin;

锡林河流域天然草地生态系统服务价值评价

Development of the Database and Information Management System of Poisonous and Noxious Plants in Grassland in Southeast of Qinghai-Tibet Plateau;

青藏高原东南部天然草地主要有毒有害植物数据库及其信息管理系统的研发

Discussion on the countermeasures and techniques of grassland protection in Northwest China;

论西北天然草地保护对策与技术

A Study of Rangeland Productive Potential and Limiting Factors in Inner Mongolia Autonomous Region;

内蒙古天然草地生产潜力及其限制性研究

Data of representative grassland ecology during 1987-2004 and meteorological data during 1961-2004 were used in analysis of rangeland eco-environment change situation in water head region and Qinghai lake region, integrated to satellite remote sensing and social investigation data.

通过研究表明,在自然因素和人为因素共同驱动力的作用下天然草地生态环境出现了不良态势,最终导致天然草地退化和载畜能力下降。

On basis of open-air survey materials of 298 plots,894 description and output examination spots,5960 point examination spots,study was done on the plant characteristic and community s characteristic on the natural rangeland of Chongli county of Hebei in the controlling Sand source areas around Beijing and Tianjing.

基于298个样地、894个描述及测产样方5、960个点测样方的野外调查资料,分析了京津风沙源治理区河北省崇礼县天然草地的植物物区系特征和群落特征。

Researches on judging model for reasonable utilization of rangelands;

天然草地合理利用的判别模型研究

The studies were carried on the regrowth yield, quantitative characters of vegetative propagation and sexual reproduction of Old World bluestem (Bothriochloa ischaemum) population in Shanxi rangelands.

本实验以山西天然草地中白羊草(Bothriochloa ischaemum)种群为研究对象,分析了其营养繁殖、有性生殖的数量特征以及刈割期和留茬高度对白羊草产草量和品质的影响。

Soil moisture dynamic of natural meadow and its impacts on forage biomass in Qinghai Lake region

青海湖地区天然草地土壤水分动态变化及对牧草生物量的影响

The results of the research on tile replenishing application of lost nutrient elements in natural mowing grassland showed:When the quantity of various elements taken away in the mowed parts were replenished and applied,the community biomass not only could reach the level of no-mowed site but also increased 2.

天然割草地补充施用亏损营养元素的研究结果表明：当补充施用制取部分的各种营养元素量时，不但可以与对照群落生物量持平，而且还增加了２。

The Effect of Climate Factors on the Grass Yield of Natural Pasture

气候因子对天然草地牧草产量的影响

- Natural grassland is rationally utilized and the active grassland ecological protection is effective.

——天然草地得到合理利用，草原生态保护积极有效。

DIVERSITY ANALYSIS OF NATURAL GRASSLAND AND HERBAGES IN HAINAN PREFECTURE, QINGHAI PROVINCE

青海省海南州天然草地及牧草多样性分析

Study on Estimation Method of Natural Grassland's Standing Grass in Cold Season

冷季天然草地牧草现存量估测技术研究

Grass yield meteorological prediction method for main natural grasslands in China

中国主要天然草地产草量气象预测方法

Evaluation of Main Climatic Factors Effecting on Grass Production of Natural Grassland

主要气候因子对天然草地产草量的影响评价

Study on Community Structure Characteristics of Yunwu Mountain;

云雾山天然草地群落结构特征的研究

Digestibility of Natural And Cultivated Grasslands by Yaks in Alpine Pastoral Region;

牦牛对高寒牧区天然草地和人工草地牧草消化性的研究

Effects of Converting Native Grassland to Crested Wheatgrass and Wheat on Grassland Productivity and Soil Carbon Stock

开垦天然草地种植冰草和小麦对草地生产力和土壤碳储量的影响

FORAGE YIELD IN NATURAL GRASSLAND OF CORRELATIVE DEGREE ANALYSIS OF TEMPERATURE AND PRECIPITION

气温和降水与天然草地牧草产草量的关联度分析

Rodent and pest accelerated the serious situation.

只有合理利用和保护天然草地，综合治理退化草地!

Soil moisture dynamic of natural meadow and its impacts on forage biomass in Qinghai Lake region

青海湖地区天然草地土壤水分动态变化及对牧草生物量的影响

The Study on Distribution Characteristics of the Natural Grassland Vegetation Roots in Yunwu Mountain in Ningxia;

宁夏云雾山天然草地根系分布特征的研究

The Study of Sustainable Development on Grazing Ecosystem of Natural Grassland;

天然草地放牧生态系统可持续发展研究

Experimental study on the law of runoff and sediment generation in the natural grassland of the typical loess slope

典型黄土坡面天然草地产流产沙规律试验

Improvement Analysis of Effect of Fens and Resowing on Degraded Rangeland in Luqu County

碌曲县天然草地围栏封育及补播改良效果分析

EFFECTS OF GRASSLAND CULTIVATION ON SOIL LIGHT FRACTION

开垦天然草地对土壤轻组有机质的影响

PROTECTION WILD ECONOMIC VRGETATION IN NATURAL GRASSLAND IN HAIBEI ZHOU

试谈海北州天然草地主要野生经济植物保护