耕地退化,cultivated land degradation
1)cultivated land degradation耕地退化
1.Under the guidance of absolute degradation thought, this paper proposes the technological frame for monitoring and appraising the cultivated land degradation, based on the 3S technologies,Namely using 3S technologies synthetically, analyzing the nature, environmental, social and economic elements which influence the land utilization and degradation synthetical.综合分析了国内外关于土地退化监测与评价方法的进展 ,以绝对退化思想为指导 ,提出了基于 3S技术的耕地退化监测与评价技术路线框架 ,即综合运用 3S技术 ,分析影响土地利用与耕地退化的自然、环境与社会经济要素 ,建立基于 3S技术的耕地退化监测与评价的指标体系 ,提出基于 3S技术的耕地退化信息提取方法 ,建立基于 3S技术的耕地退化定量评价模型和评价方法 ,定量分析土地利用与耕地退化的生态环境响应 ,从土地利用的角度提出解决耕地退化的调控措施、政策及建
英文短句/例句

1.A Study on the Sloping Farming Land Degradation Mechanism and the Protecting Measures Against Soil Erosion Degradation;坡耕地退化机理及侵蚀退化防治措施研究
2.Degenerative Reality and Controlling Countermeasure of Cultivated Land in West Region of China;我国西部地区耕地退化现状及其防治对策
3.The Primary Study on Renovating Degraded Mountain Rangelands Using Livestock Hoof Tillage Technology蹄耕法技术改良山地退化草场的研究
4.A Positive Study on China s Farmland Conversion and Land Degradation in Transition;转型期中国耕地非农化与土地退化的实证分析
5.Evolvement Game on Implementation of Local Government in Cropland Conversion;退耕还林中地方政府执行行为的演化博弈
6.Soil Physicochemical Properties on Returned Farmlands in the Water Source Area of the South-to-North Water Diversion Project南水北调中线水源区退耕地土壤理化特性研究
7.Simulation on the Energy Balance over Moving Dune and Farmland in Keerqin Desert Area科尔沁退化沙地和农耕区水热交换的模拟研究
8.Study on Changes of Soil Physiochemical Property Under Converting Cropland to Forest in Datong of Qinghai Province青海大通退耕还林地土壤理化性状演变研究
9.Carbon sequestration effect following retirement of degraded croplands into alfalfa forage land in the middle of Hexi Corridor region,northwest China河西走廊中段绿洲退化土地退耕种植苜蓿的固碳效应
10.A Study of population stress simulation in slope cropland de-farming based on grid;基于GRID的坡耕地退耕压力模型研究
11.DIFFICULTIES AND STRATEGIES FOR THE DE-FARMING OF STEEP CROPLAND IN THE UPPER REACHES OF THE YANGTZE RIVER;长江上游陡坡耕地退耕的难点与对策
12.land retired from crop cultivation and planted with soil-building crops; government subsidies are paid to farmers for their retired land.退耕出来的土地;政府付给退耕农民的津贴。
13.Grading Region of Urgency Returning Farmland to Forest and Its Strategy in Guizhou Province;贵州省退耕还林紧迫性地域分级与退耕策略
14.Research on the Ecological Effect of the Land Use Based on the Sand Ground of Horqin Which Was Grain for Green;基于退耕还林还草的科尔沁沙地土地利用变化生态效应研究
15.Characteristics of Landuse Change and Afforestation Distribution in Middle Scale Region of Loess Plateau;中尺度地区土地利用变化及退耕还林空间布局特征研究
16.The Use of Land Use Change Models to Support the Conversion of Unsustainable Dry Land into Forest Land or Grassland - A Case Study in Tongliao Region;基于土地利用变化模型的退耕还林还草决策分析——以通辽地区为例
17.FEASIBILITY ANALYSIS OFRETURNING CULTIVATED LAND OF SLOPING CULTIVATED AND NECESSITY ANALYSIS OF RETURNING CULTIVATED LAND TO GRASSLAND IN GANSU PROVINCE;甘肃省坡耕地退耕的可行性与退耕还草的必要性分析
18.Eco-economic Effect of Actualizing De-farming and Reafforestation Policy in Desertification Areas: Taking Minqin County as a Case;沙漠化地区退耕还林政策的生态经济效应分析——以民勤县为例
相关短句/例句

Degenerated and abandoned arable退化弃耕地
3)rapid decrease and degeneration of cultivated land耕地速减并退化
4)abandoned cropland退耕地
1.Relationship between soil seed bank and aboveground vegetation in abandoned croplands on the Gullied-Hill Loess;黄土丘陵沟壑区退耕地土壤种子库与地上植被的关系
2.The richness index(Margalef index),diversity indices(Simpson index and Shannon-Wiener index),Pielou evenness index,Sorenson index,Bray-Curtis index were used respectively to analyze the diversity of natural restoration vegetation communities in abandoned croplands in the hilly-gullied region of the Loess Plateau.分别采用物种丰富度指数、多样性指数、Pielou均匀度指数J、Sorenson指数(Cs)和Bray-Curtis指数(CN)对黄土丘陵沟壑区退耕地自然恢复群落的多样性进行了初步研究。
5)Abandoned farmland退耕地
1.Infiltration characteristics of soil and its influencing factors in abandoned farmland in the Hilly-gully region of Loess Plateau;黄土丘陵区退耕地土壤水分入渗特征及影响因素
2.Relationship between persistent soil seed bank and above-ground vegetation on abandoned farmland in An'sai of the North Shaanxi Province陕北安塞退耕地持久土壤种子库与地上植被的对应关系
6)abandoned land退耕地
1.Soil structural characteristics and its effect on infiltration on abandoned lands in semi-arid typical grassland areas;半干旱典型草原区退耕地土壤结构特征及其对入渗的影响
2.The responses of soil organic carbon,total nitrogen and enzymatic activity to vegetation restoration in abandoned lands in Yangou watershed;燕沟流域退耕地土壤有机碳、全氮和酶活性对植被恢复过程的响应
3.Study of soil physical properties and community characteristics of different abandoned lands in Ziwuling area of Loess Plateau;黄土高原子午岭退耕地土壤物理性质与群落特征
延伸阅读

《中华人民共和国耕地占用税暂行条例》《中华人民共和国耕地占用税暂行条例》provisional regulations of the People's Republic of China on farming land occupation tax  zhonghua renmin gongheguo gengdi zhanyongshuizanxing tiaoli《中华人民共和国耕地占用税暂行条例》(provi-sional,酗ations of the people’5 Republie of Chinaon几口五ng land occuPation tax)中国征收耕地占用税的行政法规。国务院1987年4月1日发布。耕地占用税是国家对占用耕地建房或者从事其他非农业建设用地行为而征收的一种税,开征此税的主要目的是保护耕地。该条例的主要内容包括:①除外商投资企业外,凡是占用耕地建房或从事其他非农业建设的单位和个人,均是耕地占用税的纳税人。②耕地占用税按纳税人实际占用耕地的面积和规定的每平方米税额计算征收。每平方米税额是以县为单位加以规定的:人均耕地在l亩以下(含1亩)的地区,为2~ro元;人均耕地1~2亩(含2亩)的地区,为1.6~8元;人均耕地2~3亩(含3亩)的地区,为1.3~6.5元;人均耕地在3亩以上的地区,为1~5元。各地适用税额,由省级人民政府在上述规定的税额幅度内,根据本地区情况具体核定。③凡部队军事设施、铁路线路、学校、医院等设施或单位经批准占用的耕地,免征耕地占用税;农村居民占用耕地新建住宅,按规定税额减半征税;农村革命烈士家属等新建住宅照章纳税确有困难的,可申请减征或免征耕地占用税。 (衷泽军)