grassland ['græslænd]

grassland的基本解释

n.

牧草地, 草原

与grassland相关的网络例句 [注：此内容来源于网络，仅供参考]

The results showed that grassland and farmland were the main land use types of research area with obvious reciprocal transformation. Grassland was mainly transferred to farmland in 1975-1990. Farmland was chiefly converted to grassland, and grassland tended to increase in 1990-2004. The landscape diversity in the study area rose with the contagion index decreasing and fragmentation degree being intensified during 1975-2000. The advantageous patches maintained good connectivity with the increasing patch cohesion index and the decreasing landscape fragmentation during 2000-2004. The change of human interference intensity played an important role on the variation of land use structure. Land use intensity was mainly affected by the changes in population as well as national land use policies. In the following 20 years, the agriculture land area would tend to decrease, the grassland and unused land area would have a slight reduction by contrasting the increasing the forest land area notably.

结果表明，近30 a来，草地和农业用地面积在该研究区占居主导地位，并且它们之间发生着明显的相互转化。1975－1990年，草地主要向农业用地转移，1990－2004年农业用地主要转化为草地，草地面积增加；1975－2000年，研究区景观多样性升高，蔓延度指数下降，破碎化程度加剧；2000－2004年景观内优势斑块具有了很好的连接性，聚集度增大，整体景观格局破碎化程度降低；人为干扰强度的变化对土地利用结构的变化具有重要作用，土地利用强度主要受人口数量以及国家土地利用政策的影响；在未来20 a间农业用地面积会继续减小，草地、未利用土地面积将有小幅度降低，林地面积会显著增加。

Based on the analyses above, the research proposes some suggestions for protecting herdsman's rights and interests and inhibiting grassland degradation. They are:(1) Building the system of grassland resources dynamic monitoring;(2) Promoting the transformation: the congnition of herdman on grassland degradation to action; and peasant household as the basic production unit to the unit of production +ecological construction;(3) Perfecting the Household Contract System, promoting the use right transfer, exploring the new mechanism of grassland utilization;(4) Changing the guiding ideology of policy and measurement from pursuing the supply of products to muliti-function of grassland;(5) Promoting the development of organic animal husbandry.

以这些分析结果与观点为基础，本研究提出一些有助于保护牧民利益、抑制草地退化的政策与建议：(1)建立草地资源动态监测体系；(2)促进两个转变：牧民对草地退化影响的认知向行为转化、牧户作为单纯的生产单位向生产与生态保护单位相统一转变；(3)在稳定、完善草场承包制度的基础上，以草地使用权流转为切入点，探索草地资源利用新机制；(4)政策与措施的指导思想要由单纯追求畜产品的供给向发挥草地生态系统多功能性转变；(5)将有机畜牧业可以作为转变生产方式的一个选择进行试点与发展

P in Shule River Alluvial Fan Oasis in Gansu subsidized by CNSF. Through field geological and environmental observations and sampling, quartz OSL dating, organic carbon ~(14)C dating, as well as analysis of TOC,grain size and Pollen assemblage of the samples from ten sediment profiles in front fine grain sediment zone of the Shule River Fan, the results obtained as follows:(1)The vegetation evolution history on Shule River Alluvial Fan and circumjacent since about 13 ka B.P. could be divided into 6 phases: about 12.1-13.1ka, a sparse coniferous and broadleaf trees - shrub grassland, cold and wet climate; 9.2-12.1ka, shrub grassland, temperature rising but precipitation and humidity getting down; 5.8-9.2ka, sparse forest with the most flourish shrub grassland under the optimal climate; 4.3-5.8ka, coniferous and broadleaf mixed forests -shrub grassland, temperature rising slightly and getting dry; 4.3-2.8ka, grass vegetation and climate became more dry; 2.8-2.3ka, coniferous forests -shrub grassland, precipitation and temperature getting down, but a higher relative humidity.

本文依托于&甘肃疏勒河冲积扇5万年来古天气环境与古水文演化&项目，以疏勒河冲积扇为研究对象，通过对疏勒河冲积扇扇缘细土带全新世古天气和古水文演变进行了20余个剖面的观测和取样、石英OSL和~(14)C测年、粒度组成和TOC分析以及孢粉鉴定，获得了以下成果和熟悉：(1)距今约13ka年来冲积扇和周边植被演化经历了6个阶段：约13.1～12.1ka，以针叶林为主的针阔混交林～灌丛草原，天气冷湿；12.1～9.2ka，灌丛草原，气温升高，降水量较低；9.2～5.8ka，疏林灌木草原，植被茂盛，温度和降水最佳；5.8～4.3ka，以针叶树为主的针阔混交林～灌丛草原，气温较高，降水减少；4.3～2.8ka，草原植被，天气变干；2.8～2.3ka，针叶林～灌木草原，降水减少，温度降低，相对湿度有所增加。

与grassland相关的网络解释 [注：此内容来源于网络，仅供参考]

grassland：草地

顺着二征夫人街,朝东北方向,走了很久,终于发现了一个叫"草地"(Grassland)的宾馆. 这时候,天已经全黑,我也不想再走了,决定就住这家. 地址:500 Hai Ba Trung Str.我还转了转当地的商店. 这里的小店非常多,都抱怨生意不好.

grassland：草原

生境:喜热带灌木林(woodland)及热带草原(grassland). 习性:一天约行1.2公里. 在旱季时,马羚族群惯于蹲坐在同一片草地一星期以上,只有在找寻饮水或避阳时方离开一段时间,后又再回到同一个草地. 但基本上马羚族群会一直迁移.

grassland：草 场

总体上说,该地的冻原有如下几种:干旱的稀树圆丘(huock)(表明此处曾是古老的海底),布满苔藓的小丘(hillock),被一米多高的矮柳(dwarf willow)包围的草地(meadow),葱翠的草场(grassland),众多湿润的沼泽(其上有冻原池塘散布),

grassland：草原; 草地; 牧地

grass wrack 大叶藻 | grassland 草原; 草地; 牧地 | gravel bed filter 砾石滤床过滤器; 砾石滤床滤池

Grassland ecosystems：草地生态系统

寒带生态系统 Cold zone ecosystems | 草地生态系统 Grassland ecosystems | 永久冻土生态系统 Permafrost ecosystems