1) Grassland
[英]['ɡrɑ:slænd] [美]['græs'lænd]
荒草地
1.
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.
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。
2) waste grassland
荒草地
1.
Based on field scouring experiments,runoff processes on waste grassland were studied and following results were obtained:(1)For different water supply discharges and the same slope,runoff yield varied with runoff process could be described by a logarithmic equation.
荒草地是黄河班多水电站工程区最主要的原生地面类型,阐明其产流过程,可为揭示与评价该工程区水土流失过程与强度奠定重要基础。
3) desert grassland
荒漠草地
1.
Benefit monitor of retrieving grassland from grazing by remote sensing in natural grassland of Gansu province——Taking the desert grassland of Anxi county as an example;
甘肃省天然草地退牧还草工程效益遥感监测研究——以安西县荒漠草地为例
2.
Study on the oversowing in desert grassland in Tsaidam Basin by hole seeding;
柴达木盆地荒漠草地穴状补播牧草研究
3.
Water characteristics of plant diversity in temperate desert grassland;
荒漠草地物种多样性的水分特征研究
4) desert steppe
荒漠草地
1.
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。
5) semi-desert and desert grassland
荒漠半荒漠草地
6) grassland desertification
草地荒漠化
1.
Analysis of grassland desertification due to coal exploitation based on remote sensing;
露天煤矿区草地荒漠化的遥感分析
2.
Causes of grassland desertification and its control measures in Talatan grassland
塔拉滩草地荒漠化成因分析及防治措施探讨
3.
The results show that 1) there is a strong to weak,then weak to strong evolution process for the total grassland desertification,which can be attributed to climate changes and human activities,especially to the influences of climate changes;2) there is the simi.
以霍林河露天煤矿区为例,基于决策树和BP神经网络,完成了草地荒漠化信息提取,并对研究区16 a来的荒漠化情况进行了分析。
补充资料:荒草地
荒草地
waste pasture land
huangeaodi荒草地(~tepastureland)目前尚难利用而致荒芜的天然草地。有两种类型,一是森林被破坏后成为次生疏林地,树木郁闭度大于10%,生长杂草为主的土地。二是目前难以利用而致荒芜的缺水草地以及海拔高、气候寒凉、山高路远、道路险阻、缺少安全牧道的高山草地。据1989~1991年中国全国农业后备资源调查,中国有宜牧荒草地2仅讲.08万公顷,占中国可利用草地面积的8.05%,内蒙古荒草地占全国宜牧荒草地的比重最高,为23.08%,新疆占17.12%、西藏占3.55%、河北占4.4%、四川占6.53%等(参见彩图插页第26页)。(梁佩谦)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条