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cultivated land相关的网络例句

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Land consolidation plays an important role in increasing cultivated land, augmenting land profit and improving ecological environment.

土地整理在增加耕地面积、提高土地收益和改善生态环境方面发挥了重要作用。

The results show that the cultivated land area in Wanzhou will slightly decreased while the construction land will slightly increased,forest land will increased dramatically,and it is difficult to improve the ecosystem service value by single increasing the wetland area.Grassland ecological restoration and increasing orchard area will improve the ecosystem service value by comprehensive treatment of geological hazards and soil loss.The ecosystem service theory value in Wanzhou is 11.89 billion yuan each year,the correction value is 10.64 billion yuan each year,and the present value is 9.65 billion yuan each year.This shows the ecological restoration has good economical efficiency.The optimization of land use structures based on ecosystem service value could satisfy the development of social economy with land demand,and realized the benefit of ecology and economy inphase,the study supported a new way to solve the key technical problem in land use programming in China.

计算结果表明:(1)规划期内万州区耕地面积略有减少,建设用地面积有所增加,林地面积有较大幅度增加,大规模增加湿地面积提高土地生态功能价值则难以实现;(2)地质灾害与水土流失综合治理、草地生态系统修复以及适当增加园地面积,能够提高万州区土地生态功能价值;(3)万州区土地生态经济理论价值为11888亿元/a,修正价值为10644亿元/a,均高于现状值9653亿元/a,土地生态修复与建设的生态经济效益可观;(4)基于生态系统服务价值的土地利用结构优化,能够满足社会经济发展对土地的需求并同步实现生态经济效益的最优,为解决土地利用规划中的关键技术问题提供新的方法。

At the 8-year scale,the overall trend of landuse in this oasis presented an increase in cultivated land,garden land,forest land,water area and construction land,and a decrease in meadowland and unoccupied land.In these 8 years,the dynamic degree of comprehensive landuse there was 0.61,while it was 0.55 in the first half and 0.38 in the second half of this period.

在8年尺度上土地利用总的动态特征是,耕地、园地、林地、水域及建设用地面积增加,草地和未利用土地面积减少。8年尺度渭干河-库车河三角洲绿洲综合土地利用动态度为0.61。

Gansu has large land resources as well, but the percentage of utilizable land is low, the proportion of cultivated land is small and the capacity of the land is low.

甘肃有大量土地资源,良好,但百分比可利用的土地是低的,所占的比例耕地面积小且有能力的土地低。

Results show that there is remarkable correlation between the land use types and SOM. From1981 to 2000, the content of SOM increased in the whole area mainly because of the transformation from virgin grass land to cultivated land and increase of irrigable land. The average content of SOM increased by 28% and increased from 9.64 g/kg to 12.35 g/kg. Then the household changed their land use way by driven of interest and do not increase additional input anymore.

研究结果表明:土地利用类型及土地利用方式的转换对土壤有机质含量产生重要影响。1981~2000年,荒草地向耕地的转换以及因灌溉设施的完善而引起水浇地面积的增加使得整个研究区域土壤有机质含量普遍增加,有机质含量平均值从9.64 g/kg增加到12.35 g/kg,增加了28%;在利益的驱使下,农户改变了土地利用方式,不再向种植粮食作物的土地追加投入,研究区域土壤有机质含量平均值由12.35 g/kg降低到11.46 g/kg(2000~2006年)。

The results showed : The way of this village land using is relatively complicated, and the area of cultivated land accounts for 52. 97 percent of the whole area of the land, and the rate of land cultivation and planting is relatively high, but the area of dry land accounts for largish proportion and its productivity is relatively low.

研究中选取了红水河流域内某一个具有代表性的村进行了简单的景观格局分析,其结果表明:该村土地利用方式比较复杂,耕地占土地总面积的52.97%,土地垦殖率较高,但旱地占相当比重,其生产力较低。

The results show: 1 In the rapid urbanization, the human activities in Beijing area are becoming stronger and stronger with the accelerating trend; 2 The rapid expansion of the urban land by encroaching the cultivated land in the plain area and the land use adjustment within the no-urban area are the main characteristics of the land use/cover change in Beijing; 3 The land use/cover from the center city, the fringe area to the exurb area show the obvious character of the spatial-temporal grads change with the most strong changes taking place in the fringe area.

发现:1伴随着快速的城市化进程,北京地区人类活动对区域整体的改造和影响正在深入,并且表现出加速趋势;2城镇用地通过占用耕地在平原区的快速扩展和非城镇用地内部的结构调整是北京地区土地利用/覆盖变化的基本特征。3从北京城市核心区经城乡过渡区到郊区,土地利用/覆盖变化表现出明显空间分布和时间变化上的梯度性,其中城乡过渡区是北京地区土地利用/覆盖变化最明显、也是最剧烈的区域(第4章)。

The results suggested that from 1996 to 2005, the area of cultivated land, forest land, grass land and unutilized land in Conghua City decreased, while the area of garden land, construction land increased. The total ecosystem services value in Conghua City increased by 0.0690×10^8 Yuan, and the rate of increase was 0.21%.

结果表明,1996-2005年从化市土地利用变化的总体趋势是耕地、林地、牧草地和未利用地面积在减少,园地、建设用地和水域面积在增加;从化市生态系统服务总价值增加了0.0690亿元,增加率为0.21%。

Issue of design a systemic cultivated land quality evaluation system was put forward based on the problem of cultivated land yield, income and value in our nation.

因此,在探讨我国耕地产量、收益和价值问题的基础上,提出了构建一个系统化耕地质量评价体系的研究目标。

Haifeng County, Luhe County, hosted Lufeng and a Red Bay Development and the Overseas Chinese Economic Zone Management Area, are Under the jurisdiction of city, which is with a total population of 3.23 million, urban population of 210,000, living abroad overseas Chinese, Hong Kong Macao and Taiwan compatriots, a total of more than 130 million people; total land area of 5271 square kilometers, accounting for 2.93% total area of the province, of which 93.2 thousand hectares of cultivated land, garden 42.1 thousand hectares, woodland 234.8 thousand hectares, unused land 47.9 thousand hectares; a coastline of 455 kilometers, sea area of 23.8 thousand square kilometers, accounting for the province's land area 14% of the ocean, in which shallow seas and tidelands 69.6 thousand hectares.

下辖市城区、海丰县、陆河县,代管陆丰市,并设有红海湾开发区和华侨管理区两个市辖经济区,总人口323万,市区人口21万,旅居海外华侨、港澳台同胞共有130多万人;陆地总面积5271平方公里,占全省总面积2.93%,其中耕地面积9.32万公顷,园地4.21万公顷,林地23.48万公顷,未利用地4.79万公顷;海岸线长455公里,海洋面积2.38万平方公里,占全省海洋国土面积的14%,其中浅海、滩涂6.96万公顷。

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