草地面积

新疆天然草地面积辽阔，近年来，每年夏季的蝗灾发生面积都在230万hm2以上。

There is wide natural grassland in Xinjiang . Acreage of locust disaster covers at least 2 , 300 , 000 hm2 in the summer during these years .

青藏高原退化草地面积约为4251万hm2，占全区可利用草地面积的33%，其中黑土型退化草地面积估计为703.19万hm2，占全区退化草地面积的16.54%。

There were 42 510 000 hm 2 deteriorated grassland and 7 031 900 hm 2 ' Black Soil Type ' deteriorated grassland ( BSTDG ) in the Plateau , which accounted for 33.00 % and 16.54 % of the total grassland area respectively .

研究表明，我国草地面积总量增加约132×104hm2，其中高覆盖度与中覆盖度草地面积增多，但低覆盖度草地面积减少。

The results indicate that the amount of grassland area is increasing about 13.2 × 10 4 hm 2 from 1995 to 2000 , with the high and middle cover grassland area increasing and that of low cover grassland decreasing .

草地面积持续减少，质量降低；

The area of the grasslands has keeping decreasing , with the quality reduced ;

结果表明：14年来，草地面积减少25.60%，草地退化严重；

The results showed that grassland area decreased by 25.6 % , grassland degradation is serious .

草地面积减少，质量下降，草地内生物多样性减少。

Grassland area was reduced , the quality of the grass was decreased , the diversity reduced .

林草地面积之和占74%，农田面积约20%，水域面积最小，占0.10%左右。

Forest and grassland area together occupied 74 % , farmland about 20 % , water area 0.10 % which is the smallest .

在自然景观中，林地面积增加，破碎度减小，斑块边界趋于平滑：草地面积减少，趋于破碎。

In natural landscape , forest area increases , fragmentation decreases and boundary of patches becomes smooth . Grassland area decreases and becomes fragmented .

沙化现象得到了有效遏制，草地面积的增加，改善了研究区的生态环境。

The desertification phenomenon has got an effective containment , and the increase of grassland has improved the ecological environment of the studying area .

土地利用结构不合理，要求必须减少耕地面积，扩大林地、草地面积。

The structure of land use was not rational , and the main countermeasures were to increase area of forestland and grassland , and decrease cultivated area .

影响草地面积变化的主要因子是工业企业发展和人口以及大牲畜数。

The main impact factors of changes in grassland are the population , the development of industrial enterprises , as well as a number of large livestock .

基于草地面积、草地生产力、家畜数量对典型草原地区村级社区的草畜平衡进行了分析，得出了克什克腾旗社区存在着草畜季节性不平衡问题。

Based on grassland area , grassland primary productivity and animal number statistics , feed-animal balance status was analysed for a typical pastoral village in northern China 's pastoral region .

未来12年，耕地、林地、水域和草地面积将进一步减少，未利用地和建设用地面积增加，表明未来面临的生态问题仍然很严重。

In the future 12 years , the areas of farmland , forest land , grass land and water land will keep decrease , and construction and unused land will increase .

人为因素中，总人口数和牧业人口数的正载荷高，而草地面积的负载荷高，表明这些因素对草原畜牧业生产的影响大。

In man-made factors , the total population and number of livestock load are positive , the grass area load is negative , indicating that these factors have the impact to animal husbandry production .

按照工业区乔、灌、草地面积、绿地面积配置为1：6：21：29适宜比例，得出济钢各分厂植物种植结构的状况。

According to tree , shrub and grass area , green area targeted for appropriate proportion 1:6:21:29 in industrial areas , concluded situation of plating structure in branches in Jinan steel and iron Company .

但不包括属于专业性桑园、茶园、果园、果木苗圃、林地、芦苇地、天然或人工草地面积。

The land of mulberry fields , tea plantations , orchards , nurseries of young plants , forest land , reed land , natural and man-made grassland and other lan are not included in cultivated land .

接近三分之一的牧户不满意和不赞成退牧还草工程及惠农补贴政策，主要是由于这部分牧户本身拥有的承包草地面积较少，劳动力缺乏等原因。5、问题与建议。

Close to one-third of herders surveyed were not satisfied and not in favor of subsidies . It is mainly due to the smaller grassland areas and shortage of Labor . 5 、 Problems and suggestions .

温性草原类、温性草甸草原类、低地草甸类、沼泽类及改良草地面积占草地总面积的比例分别为85.11%、1.23%、12.19%、1.19%和0.28%；

The area percentages of temperate steppe type , temperate meadow steppe type , lowland meadow type , marsh type and temperate forage improved grassland are separately 85.11 % , 1.23 % , 12.19 % , 1.19 % and 0.28 % .

草地面积在三种情景下，也在增加，且水资源总量越大，草地面积增加的越多，增加量没有林地大，但与水资源总量也呈正相关。

Grassland also increases in three scenarios , and the more available water resource , the more the increasing area , although the increasing area is less than woodland , the increasing area and available water resource still are in positive correlation .

由此带来的天然草地面积大幅缩减、草地荒漠化严重、草地生产力下降、草地生态平衡遭到破坏等问题，已经严重影响到了农牧民的生产生活。

The resulting issues which include reduction of natural grassland area , serious desertification of grassland , decreased of grassland productivity and the destruction of grassland ecological balance , that have seriously affected the production and living of the farmers and herdsmen .

结果表明，在现有土地利用方式下，草地面积增加13%，工业区面积减少30%，未开发面积比例增加了28%，总的污染负荷量四种污染物分别减少21.6%，23.2%，23.1%，22.3%。

When the grassland area and undeveloped area increase 13 % , 28 % , and the industrial area decreases 30 % , the pollution load of SS , TP , TN and COD decrease 21.6 % , 23.2 % , 23.1 % , 22.3 % .

对未来土地利用／覆被变化趋势的模拟表明：三峡库区（重庆）的耕地和草地面积减少，林地、水体和建设用地面积增加。

We use the model to predict the trend of the land use and land cover change in the future . The cultivated land and the grass land will be reduced , and the wood land , water body and built-up area will increased in the future .

研究表明，1990-2004年间流域内林地和水域面积显著减少，城镇沿公路大量向外扩张，耕地和未利用土地面积有所增加，草地面积相对持平。

The study shows that , from 1990 to 2004 , in this river watershed , the woodlands and water areas decreased sharply , town areas expanded along roads in large quantity , farmlands and unused lands enlarged , and the amount of lawn areas was not changed so much .

草地是面积最大、连结性和完整性最好的景观组分；

The grassland had the biggest area and its connectivity and integrality were the best .

科学家说，由于荒漠化，中国北方90%以上的草地大面积减少。

Scientists say more than ninety percent of grasslands in northern China have decreased in quality as a result of desertification .

草地的面积总体增加，主要源自于林地和旱地的变化；

The area of the grassland was increased , which came mainly from the conversion of the woodland and the arid land ;

由于不合理的利用，草原生态系统遭到了严重破坏，草地退化面积不断扩大。

Due to the unreasonable utilization , the eco-system of the grasslands has been damaged seriously and the deterioration area is keeping expanding .

近几十年来，由于诸多不合理因素，我区出现草地大面积裸露，沙尘暴频繁发生的现象。

In recent decades , due to many irrational factors , Inner Mongolia appears a large area of bare grass and frequent dust storms .

结果表明：随着累计原煤产量的增加，草地破坏面积和草地沙化面积在逐年扩大；

The result shows that with the increase of coal output , the area of destruction and desertification of grassland keep enlarging year by year .

气候变化引起持续干旱，造成禾本科牧草植株矮小，草地裸露面积扩大，草原动植物的生物多样性受到威胁；

Climate change caused continuous drought , low gramineous grass and large exposed soil in grassland , which has threatened significantly the biodiversity in grassland .