cropland相关论文
Organic carbon transport in the Songhua River,NE China: influences of conversion of forest to cropla
The Songhua River,the third largest river in China in terms of discharge,drains the well-known organic-rich black soil r......
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Global studies on vegetation trend analysis reflected that the South Asia is one of the most remarkable regions in its w......
Change of Soil Organic Carbon after Cropland Afforestation in ′Beijing-Tianjin Sandstorm Source Cont
Land use change is one of the major factors that affect soil organic carbon(SOC) variation and global carbon balance. Ho......
Influence of the environmental behavior and ecological effect of cropland heavy metal contaminants b
Recently, the impacts of increasing atmospheric CO2 level on the terrestrial ecological system have been intensively stu......
Investigation on the origin of Se-rich soils in Yutangba: Evidence from selenium speciation and nati
Yutangba has been known as a typical high-Se area in China since a sudden incidence of human Se poisoning occurred in 19......
A field investigation of wind erosion in the farming-pastoral ecotone of northern China using a port
The farming-pastoral ecotone in north China is an extremely fragile ecological zone where wind erosion of cropland and r......
Land cover change and eco-environmental quality response of different geomorphic units on the Chines
Land cover in the Chinese Loess Plateau has undergone dramatic changes since the late 1980s. Revealing the trend in land......
INTEGRATED CROP-LIVESTOCK SYSTEMS:LESSONS FROM NEW YORK,BRITISH COLUMBIA,AND THE SOUTH-EASTERN UNITE
Livestock production in the United States(US)and Canada is diverse,but shows a common trend in most livestock sectors to......
The fractal geometry to the study of soil structure, its dynamics, and physical processes appears to be a useful tool in......
Soil Organic Carbon,Carbon Fractions and Nutrients as Affected by Land Use in Semi-Arid Region of Lo
Cropland (CP),native grassland (NG) and two shrub land treatments which were converted from cropland in 1985:seabuckthor......
Agroecosystems have a critical role in the terrestrial carbon cycling process.Soil organic carbon(SOC) in cropland is of......
Changes in cropland topsoil organic carbon with different fertilizations under long-term agro-ecosys
Topsoil soil organic carbon(SOC) data were collected from long-term Chinese agro-ecosystem experiments presented in 76 r......
The present study provides an overview of existing literature on changes in soil organic carbon(SOC) of various terrestr......
Effect of Agricultural Land Use Changes on Soil Nutrient Use Efficiency in an Agricultural Area,Beij
Agricultural land use and management practices may affect soil properties,which play a critical role in sustaining crop ......
Carbon management index(ICM) is used to evaluate the scientificity of soil management.Soil organic carbon(SOC) and readi......
Spatial and Temporal Patterns of Soil Nitrogen Distribution under Different Land Uses in a Watershed
Quantification of soil spatial and temporal variability at watershed scale is important in ecological modeling,precision......
Long Term Effects of Farming System on Soil Water Content and Dry Soil Layer in Deep Loess Profile o
Soil water is strongly affected by land use/cover in the Loess Plateau in China. Water stored in thick loessal soils is ......
Fractal theory is becoming an increasingly useful tool to describe soil structure dynamics for a better understanding of......
Conventional tillage improves the storage of soil organic carbon in heavy fractions in the Loess Pla
Soil labile organic carbon(C) plays an important role in improving soil quality. The relatively stable fractions of soil......
Comparison of soil physico-chemical properties under different land-use and cover types in northeast
The Horqin Sandy Land of northeastern China was originally a grassland with plenty of water and lush vegetation dominate......
Spatially explicit assessments of consumptive water use (CWU) are still at an early stage, and parti-tioning of CWU has ......
A field investigation was conducted at the Shenyang Experimental Station of Ecology, Chinese Academy of Sciences, in an ......
In order to explore the regional variability of the effects of land use systems on soil properties,Shouyang County in Sh......
Soil Nutrients in Intensive Agricultural Areas with Different Land-Use Types in Qingzhou County, Chi
On the basis of the data obtained from a field survey, the relationship between land use and soil nutrients was evaluate......
Farm Production Growth in the Upper and Middle Parts of the Yellow River Basin,China,During 1980-199
The impact of inputs on farm production growth was evaluated by analyzing the economic data of the upper and middle part......
Diurnal, seasonal and interannual variations of surface albedo of degraded grassland and cropland surfaces at a semiarid......
Conversion of Natural Ecosystems to Cropland Increases the Soil Net Nitrogen Mineralization and Nitr
A comparative study was conducted to determine the NH4+ and NO3- concentrations in soil profiles and to examine the net ......
Relationships Between Surface Albedo,Soil Thermal Parameters and Soil Moisture in the Semi-arid Area
Continuous observation data collected over the whole year of 2004 on a cropland surface in Tongyu, a semi-arid area of n......
Changes in overland flow and sediment during simulated rainfall events on cropland in hilly areas of
Water and soil loss are the major causes of the land degradation in the hilly area of the Sichuan Basin,China,where purp......
Land use/cover change induced by human activities has emerged as a “global” phenomenon with Earth system consequences.......
The Songnen Plain in Northeast China,one of the key national bases of agricultural production,went through remarkable la......
The performance of a 1-D soil model in a semiarid area of North China was investigated using observational data from a c......
It is necessary to reconstruct past changes in land use and land cover to understand the historical effects of humans on......
Variation of Zn content in soils under different land-use types in the Hetao oasis,Inner Mongolia of
Understanding the status and distribution of the micronutrient Zn in soils is important for managing plant growth and pr......
Estimating cropland carbon mitigation potentials in China affected by three improved cropland practi
Agriculture is a large source of carbon emissions. The cropland practices of fertilizer substitution, crop straw and con......
Accurate information of cropland area and spatial location is critical for studies of national food security, global env......
Changes of soil microbial communities during decomposition of straw residues under different land us
Monitoring soil microbial communities can lead to better understanding of the transformation processes of organic carbon......
The spatial resolution of source data, the impact factor selection on the grid model and the size of the grid might be t......
We initially estimated the cropland area at county level using local historical documents for the Songnen Plain(SNP)in t......
Geographically explicit historical land use and land cover datasets are increasingly required in studies of climatic and......
Soil organic carbon(SOC) stocks in terrestrial ecosystems vary considerably with land use types. Grassland, forest, and ......
A technically transparent and freely available reference sample set for validation of global land cover mapping was rece......
Based on data on taxed-cropland area and on the number of households in historical documents, a probabilistic model of c......
Land use and land cover in China have changed greatly during the past 300 a, indicated by the rapid abrupt decrease of f......
It is important to understand how land use change impacts groundwater recharge,especially for regions that are undergoin......
Landscape-scale pattern could affect ecosystem service such as biocontrol of agricultural pests. Additionally, pest outb......
The quantity and quality changes of cropland in Jilin province are analyzed by combining the statistics from 1949 ......
With a view of sustainable development, different kinds of farmland consolidation are reviewed. A planning and design mo......
Conversion of cropland to forestry and grassland is an important method to reduce soil erosion and improve the biophysic......
