1.On the basis of analyzing the existing situation of the utilization of grassland resources and the development of animal husbandry in Yanchi county, and learning the method of Xinjian grassland ecological replacement, some suggestions are put forward such as adhereing to construct ecosystem protection zone, fencing and cultivating the degraded grassland, and using the low production and irrigable farmland replace the degraded grassland.
摘要为了解决荒漠半荒漠风沙区草地退化问题，通过对盐池县草地资源利用现状的分析，结合畜牧业发展的要求，借鉴新疆草地生态置换的方法，提出了盐池县要实现生态环境的改善和草地的永续利用，应坚持走建设草地生态保护区，围栏封育退化草地，高效利用基本牧场，用部分中低产田和有灌溉条件的农田置换严重退化的草地等方式相结合的道路。
2.Grassland fire disaster is one of natural disasters with abruptness and severe damage, has gready affected economic development and society stability in the grassland region,had badly restricted sustainable stockbreeding development, and also seriously threatened human living environment and even country safety. In terms of natural disaster risk analysis rules, basic concept of grassland fire disaster is discussed. Basic procedure for risk assessment and risk management of grassland fire disaster is presented.
草原火灾是突发性强、危害大的自然灾害,给草原地区的经济发展、社会安定带来巨大影响,严重制约畜牧业生产稳定发展,同时也对人民的生存环境乃至国土安全构成严重威胁．本文依据自然灾害风险理论阐述了草原火灾风险基本概念,给出了草原火灾风险评价与风险管理的基本程式,探讨了草原火灾风险管理的理论、对策和途径．
3.The protection and management of grassland resources is reinforced by Chinese governments at all levels in line with the Grassland Law, and activities such as unauthorized reclamation, excessive digging and overgrazing are forbidden. With the combined efforts of the state, the collective and individuals, grassland construction and control over grassland desertification and deterioration have been strengthened.
根据《草原法》规定，中国各级政府加强对草地资源的保护与管理，严禁乱垦滥挖滥牧，实行国家、集体、个人相结合的形式，加大了草场建设和治理草地沙化、退化的力度。
4.Aridy grassland in Northwest China were divided into four ecological areas according to geographical position,water and warm resources,plants community and soil type,which included extremely drought desert grassland in plateau and basin,arid and semiarid grassland on the Loess plateau,interlaced belt between a farming area and a pasturing area on the Qinghai-Tibet plateau and Loess plateau,artificial grassland.
对我国西北地区干旱草地进行了广泛的调研,引种,驯化和成功繁育了国内外30余种适于西北地区干旱环境栽培的耐旱牧草,并对旱生、超旱生牧草的生态型进行了量化界定的基础上,根据地理位置、水热资源、植物群落、土壤类型及地表基质等4项指标,将我国西北干旱草地划分确定为高原、盆地极旱荒漠草地生态区;
5.(2) There were a significant difference between species composition and distribution of AMF indifferent kinds of grassland in Tibet. Glomus mosseae was dominant species in grassland of Brahmaputra middle course area, while Acaulospora laevis and Pasipora dominikii in grassland of Northern Tibet altiplano lake-basin area.
(2) 不同类型草原中AM真菌的群落组成和种群分布存在显著差异:藏南雅鲁藏布江中游河谷区摩西球囊霉(Glomus mosseae)为优势种,而藏北高原湖盆区土壤中光壁无梗囊霉(Acaulospora laevis)和道氏近巨孢囊霉(Pacispora dominikii)为优势种。
6.The time span saw the paleovegetational evolution from broadleaf tree and bush lush grassland through bush spotting grassland to desert grassland.
研究表明，此期间该区植被由阔叶、灌木草原变为疏树灌木草原，最后变为荒漠草原。
7.China has a grassland area of 390 million ha, of which about 320 million ha can be used, which places China third in the world in the area of usable grassland. If the intensification level of livestock farming in grasslands is improved through the development of artificial grassland, animal by-products will increase greatly.
中国现有草地面积3.9亿公顷，其中可利用面积3.2亿公顷，居世界第三位，若将其中的大部分建设成人工草场，提高草原畜牧业集约化水平，就能增加大量的畜产品。
8.Study on the Optimized Model part of Grassland-Husbandry System in theMiddle part of Northern Slope in Tianshan MountainChen Fuhua (Grassland Resources and Ecology)Supervised by Thu Jinzhong Meng LinABSTRACTThe grassland-husbandry system in the middle part of Northern slope inTianshan Mountain in Xinjiang has the typical vertical grass distribution.
南山种羊场和榆树沟镇牧业队的草地畜牧业生产系统代表了新疆天山北坡中段的草地畜牧业生产体系，从南向北由高山至平原，其天然草地具有典型地带性分布规律。
9.Fifthly, to enhance grassland amelioration in the pastoral areas, change the nomadic way of production, speed up economic development in pastoral areas and improve herdsmen’s living standards, projects to construct grassland in the pastoral areas, build permanent settlements for roving herdsmen, and restore and improve natural grassland have been launched since 2001.
五是为加强西藏牧区草原建设，转变游牧民生产方式，加快牧区经济发展，提高牧民生活水平，从2001年起开始在西藏实施牧区草原建设、游牧民定居工程以及天然草原恢复和建设项目。
10.According to the first national survey of grassland resources, the variety of grassland in Tibet ranks first among all provinces and autonomous regions. Of the 18 types of grassland in the country, Tibet has 17.
根据全国首次统一草地资源调查，西藏拥有草地种类居全国各省、自治区之首，在全国18个草地类中，西藏就占有17个草地类。
