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water meadow相关的网络例句

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Alpine meadow and wetland,closely correlated with the amount of water stock in the riverhead of China,is the most important ecosystem of the Qinghai-Tibetan Plateau.This ecosystem is the primary support for the industrial and agricultural and the living using water in the middle east of China,which makes the conservation of alpine meadow and wetland in the Qinghai-Tibetan Plateau have importantly practical significance.

高寒草甸及湿地是青藏高原上最为重要的生态系统,它的状况直接关系到我国江河源头的蓄水量,也关系到我国中部和东部广大地区的工农业及人民生活用水,因此对青藏高原高寒草甸与湿地的保护具有重要的现实意义。

On the river where the water-meadow are fresh and green, and the stream sparkles on among pleasant islands, murmuring weirs, and whispering rushes...

河边一片片的嫩草青翠欲滴,湍流在美丽的岛屿、水声潺潺的河堰和沙沙作响的苇草之间的河水银光闪闪。

The effect of Zea mays and Bromus riparius on soil and water loss were studied,the experiment was conducted to plant crop and grass in runoff-plots on the 15 degree slope naturally,the bare slop is CK,then the runoff and soil erosion amount and the biological characteristics of corn and meadow bromes termly were measured,and difference of soil and water loss prevention effect on the slop land were determined.The results showed that soil and water loss became less after both corn and meadow brome planting.And the leaf area and the coverage of meadow brome higher than corn,which was benefit for less soil and water loss at the rain season early.Meanwhile,roots of corn and meadow brome mainly distributed in 0-10 cm soil layer,and the root biomass of meadow brome was 2.88 times than that of corn.

试验在自然降雨条件下,在15°坡地设置作物与牧草径流试验小区,以裸地为对照,在每次降雨之后用全深剖面采样器取样,测量其径流量和土壤侵蚀量,定期测定玉米和草地雀麦的生物学特性,研究玉米与草地雀麦生物学特性变化及其坡地水土流失防治效果的差异,探索植物种植对坡地水土流失的主要影响因素,结果表明:种植玉米与草地雀麦,对坡地水土流失均有一定防治作用,但是,与玉米相比,草地雀麦的叶面积指数和覆盖度可在雨季前达到较高水平,有利于早期坡地水土流失防治。

On the banks of the Nederrijn River is Loowaard, a beautiful stretch of water meadow between the dykes.

在下莱茵河分支的岸边是劳渥德,延伸在堤坝之间的一片美丽的水草牧场。

In the foreground a water meadow with some tiny cows, two brushstrokes each, but confidently cows; two minuscule white geese in the blue water, back-to-back, feeding, and a slanting stick.

前景中 的一片洼地里有些小母牛,每头只画了两笔,但肯定是母牛;两只微小的白鹅在碧水中,背靠背,啄食,还有一条歪曲的枝条。

The results are as follows: 1 great changes have taken place in land use and landscape pattern from 1995 to 2000; the area of woodland, water and unused land has been reduced and that of grassland, cropland and construction land increased; 2 the advance of fractal dimensions, the diversity index and landscape fragmentation degree showed that landscape units became strongly fragmented; 3 the dominant degree of construction and unused land has changed little but that of meadow and water increased, and that of farmland and woodland decreased to some extent, which indicated that the trend of landscape pattern changed from cropland and woodland to meadow and water; 4 the changes of land use and landscape patterns near the road are obvious and it is urgent to strengthen eco_environment protection.

主要结果如下:①1995-2000年间,研究区土地利用变化显著,其中林地、水域和未利用土地面积下降,而草地、耕地和建设用地面积增加;②景观破碎化程度加剧,分维数、多样性指数和景观破碎度均增加;③建设用地和未利用土地优势度变化不大,耕地和林地的优势度减小,草地和水域优势度增加,表明研究区景观格局由耕地、林地向草地和水域转变;④交通干线附近的土地利用和景观格局变化显著,加强这些区域的生态环境保护与建设势在必行。

First, classify the birds to group fitted for water, meadow, shrub and prey, and count their biodiversity respectively, then give different weight on ecology information.

原理是通过分别计算反应不同样区内水体、植被覆盖率及干扰等景观因素的代表种——水禽、林鸟、猛禽、人类伴生种及适于农田生活鸟类——的多样性以及分类多样性,再赋予不同的权重综合起来。

And than the soil water contents of mountainous meadow was intervenient. The diversification of soil bulk density was completely reverse with the soil water contents. The soil bulk density of alpine meadow and sub alpine meadow was evidently lower than hilly meadow steppe and alluvial flat meadow steppe.

高山和亚高山草地类型的土壤含水量明显高于低山丘陵和河滩阶地的类型,而中山类型的草地土壤含水量在它们中间;土壤容重的变化趋势则完全相反,高山和亚高山草地类型的土壤容重明显低于低山丘陵和河滩阶地的类型。

The soil water contents of alpine meadow and sub alpine meadow was evidently higher than hilly meadow steppe and alluvial flat meadow steppe.

随着海拔高度的上升,共有种逐渐减少,β多样性增加,物种替代速度逐渐增大。

Plateau basin surrounding karst groundwater resources to strengthen the investigation and identify the volume of 998 million cubic meters of mined / year; Southwest karst areas to 180 billion cubic meters of underground water resources / year, the volume of 77 billion cubic meters of mined / year; Southwest completed eight provinces 339 counties 740,000 square kilometres trees remote sensing surveys; Preliminary identification of the geological environment of the Yellow River source region ecological conditions change, first proposed the freezing cold caused a drop in water level at Sheung Shui and Yuen district water meadow degradation of the important reasons for the deterioration of the environment.

加强鄂尔多斯盆地周边岩溶地下水资源的调查,查明可开采量9.98亿立方米/年;西南岩溶地区的地下水资源为1800亿立方米/年,可开采量770亿立方米/年;完成西南八省339个县74万平方公里石漠化遥感调查;初步查明了黄河源区生态地质环境变化状况,首次提出冻结层上水水位下降是造成高寒草甸退化和源区水环境恶化的重要原因。

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