查询词典 grassland
- 与 grassland 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The winter-spring grassland is easily overgrazed because it has longer stocking time and a lower natural stock capacity; while the summer-antumn grassland usually can not be adequately used because it has shorter stocking time and a higher natural stock capacity.
冬春草场放牧时间较长,而天然载畜量较低,故很容易超载;相比之下,夏秋草场资源丰富,天然载畜量大,但由于放牧利用时间短,天然草地不容易得到充分利用。
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Base on analysis the status of "The project on reverting farmland to forests and grassland in China", the study point out: because of without area overall arrangement based on science, and without scientific inspect-estimate system, the policy effect on reverting farmland to forests and grassland has been rebated.
通过研究中国退耕还林还草的现状及问题,指出由于退耕区域布局缺少严密的科学论证,监督检查没有科学的评价体系,致使政策效果大打折扣;退耕补偿政策的不合理、不公平性以及退耕地未来收益的不确定性,又使退耕还林还草成果巩固面临潜在威胁。
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Soil moisture content varied abruptly in the ecotone zone, hut presented linear distribution in both grassland zone and farmland zone. The average soil moisture content in grassland was about 1 gg^(-1) higher than that in farmland, which was mainly caused by the decreased capillary moisture capacity of farmland.
其中农田-草地复合功能区的土壤含水量变化剧烈,而草地功能区与农田功能区内土壤水分基本呈线性分布;草地生态系统土壤平均含水量比农田高约1 gg^(-1),这主要是由于草地开垦为农田后风蚀等作用而引起的土壤毛管持水力下降所致。
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In natural vegetation area, where mainly are forest land, the yearly relative humidity and precipitation of spring are the driving forces to the change of NDVI. In brush and shrub area, the change of NDVI is driven by the precipitation and relative humidity of autumn. In grassland and rare tree bush grassland district, the main driving forces are human factors, and the driving mechanism is that farmland and cropping sown area are negative to the change of NDVI, but society factors are positive.
对于以林地为主的自然植被区植被覆盖变化,主要受到春季降水、春季湿度和年均湿度的正驱动,黄淮海地区的北部主要为干旱、半干旱区,因此春季降水偏多会利于植被生长;灌丛和萌生矮林区,秋季降水和秋季湿度对其植被NDVI变化呈负驱动;草原和稀树灌木草原区植被覆盖的变化,耕地面积、作物播种面积对之为负驱动,而其他社会经济因子则为正驱动。
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Bushmen have a piece of territory is more than 80,000 square kilometers of grassland and sparse grassland forest, surrounded by desert.
布须曼人的领地是一片有着8万多平方公里的草地和稀疏的草原森林,周围是荒漠。
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The nomadic Mongol Minority treats grassland which gives them lives, coursers that they live on and pastoral as three saint things. These three things have been important parts of grassland culture.
做为游牧民族的蒙古族,一向把赋予生命的草原、赖以生存的骏马和生活中的牧歌视为三项圣洁美好的事物,因此她们也成为构成草原文化的三个主要因素。
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July and August are the most beautiful season of the grassland, grassland under the blue sky, low wind and grass, cattle and sheep flocks, the forces of nature and life is always touched hearts of people.
七八月是草原最美丽的季节,蓝天下的草原,风吹草低,牛羊成群,自然与生命的力量总是让人心生感动。
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Area of Grassland refers to areas of grassland, grass-slopes and grass-covered hills with a vegetation-covering rate of over 5% that are used for animal husbandry or harvesting of grass.
草地面积指牧区和农区用于放牧牲畜或割草,植被盖度在5%以上的草原、草坡、草山等面积。
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In order to find the vegetable niche pattern in arid and semi-arid grassland region, the niche breadth and niche overlapping in Yanchi county of Ningxia in 2006 and 2007 are measured by means of Levins niche breadth and Pianka niche overlapping indexes in the enclosed grassland.
运用Levins生态宽度指数及Pianka生态位重叠指数,对宁夏盐池人工封育草原2006年和2007年植物生态位宽度及生态位重叠进行计量,以了解干旱半干旱区草原植物生态位格局。
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Above 90% of the area of grassland is degraded and the degraded area is increasing more and more. Although the degradation is contained by the control measures to certain degree, there are still some problems such as property right restriction, difficulty in supervision, unitary policy and neglect of herdsmen's income, for this reason, the view of livestock reduction subsidy is presented. Subsidy of 50 Yuan for one sheep or goat is given to herdsman's family, 600 Yuan for one cattle; meanwhile 200kg grains is given to every one of the herdsman's family for fuel subsidy, standard culture plot construction subsidy, livestock insurance subsidy to make sure that herdsman's income is increased while the grassland is protected.
我国90%以上的草原已退化,并且还在不断扩大,虽然采取的治理措施在一定程度上遏制了草原退化,但产权制约、监理执法困难、政策手段单一以及忽视牧民增收还是目前退化草原治理过程中存在的问题,为此提出减畜补贴的观点:给予小牲畜50元/只、大牲畜600元/头的直接补贴,同时给减畜牧户家庭每人200kg基本生活口粮和燃料补贴、标准化规模养殖小区建设补贴和灾害保险补贴,做到在保护草原生态的同时促进牧民增收。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力