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- The study was conducted for different grazing systems in the ecotone of grassland and farmland in Ningxia sandy lands. 摘要研究了宁夏河东沙地农牧交错区不同放牧方式对土壤环境的影响。
- Studies on Community Stability under Different Grazing Systems on Desert Steppe 荒漠草原不同放牧制度群落稳定性研究
- Studies on Grazing Behavior Under Different Grazing Systems on Desert Stepper 荒漠草原不同放牧方式绵羊牧食策略研究
- Studies on Matter Dynamics and Plant Compensatory Growth under Different Grazing Systems on Meadow Steppe 草甸草原不同放牧制度群落物质动态及植物补偿性生长研究
- The Influence of Different Grazing Systems on Soil Physical and Chemical Properties in Desert Steppe 荒漠草原不同放牧制度对土壤理化性质的影响
- Research on the influence of different grazing system on vegetation characteristics in Ningxia typical grassland 宁夏干草原不同放牧方式对植被特征影响的研究
- different grazing systems 不同放牧方式
- The Influence of Different Grazing Intensity on the Near-ground Spectral Reflectance of Leymus chinsesis Steppe. 不同放牧强度对羊草草原近地面反射波谱特征的影响研究。
- The stocking rates of different grazing seasons can be regulated according to the climate and grassland condition under the control of CC. 各具体放牧季的载畜率可以在载畜量的宏观控制下,根据气候条件和草地状况加以调整。
- This component will develop grazing systems and rangeland conservation technology to demonstrate the production and conservation benefits planned grazing management. 这个分项目要建立放牧制度和草场保护技术,示范在这个放牧管理制度下的生产和保护效益。
- Bothriochloa ischaemumis the dominant species in all the plots, while the other species flourish or decline successionally at different grazing stages. 在不同的利用阶段,白羊草种群都是优势种,而其他植物种则呈现不同的趋势。
- The study was conducted with two grazing systems of banning grazing,delaying and continue grazing stocking on family ranches in Stipa breviflora desert steppe. 本试验在内蒙古短花针茅荒漠草原家庭牧场尺度上,从植物种群、群落、土壤和家畜的生产性能等几个方面对禁牧、休牧、自由放牧草地利用进行研究。
- The numbers and aboveground diomass of every module of Kobresia humilis under different grazing intehsity(0, 2.4, 8 Tibetan sheep/hm2 ) were studied in Alpine Meadow. 对放牧强度分别为0、2、4、8(藏羊只/hm2)的矮嵩草无性系各构件数量和地上生物量进行了研究。
- In the five steppe desert(elevation 1 360-1 380 m),because of different grazing degree and plant type,TSN content in the 0-20 cm layer changed from 0.022 8% to 0.034 7%. 在海拔1 360~1 380 m草原化荒漠的5个样地上;由于放牧利用程度和植被类型的不同;0~20 cm土层土壤氮的含量变幅在0.;022 8%25~0
- The influence of livestock grazing on grasshopper were compared in the three different grazing intensities in Leymus chinensis prairie in Inner Mongolia,China. 放牧是草原植被利用的主要形式,牲畜的牧食极易改变蝗虫生存的栖境结构。
- The near-ground spectral reflectance of vegetation influenced by different grazing intensity for Leymus chinsesis steppe were measured and analyzed in the growth season, 1996. 测试并分析了在生长季节不同放牧强度(无牧、中轻度和重度放牧)对羊草草原植被反射波谱特征的影响。
- The research was about the effects of the different grazing intensities on the regrowth characteristic of the herbage in the border of crop and range regions in north China. 摘要在华北农牧交错带地区研究放牧强度对3种人工草地再生性能的影响。
- Whether the selection of grassland grazing systems is reasonable has direct influences on sustainable utilization of grassland resources, bioenvironmental quality on grassland and herdmen's income. 草地放牧制度选择的合理与否,直接影响草地资源的可持续利用和草地生态环境质量以及牧户经营收入。
- The effection of all-weather photosynthesis of Stipa grandis,Leymus chinenesis and Cleistogenes squarrosa between two grazing systems was not significant ,which indicated as the shape of two-humped. 放牧制度对大针茅、羊草和糙隐子草的光合日进程影响不大,都表现为双峰型。
- Reading and writing are different skills. 阅读与写作是不同的技能。