QQ客服 官方微博 反馈留言

浏览/检索结果: 共14条，第1-10条 帮助 限定条件 发表日期：2011    内容类型：SCI/SSCI论文     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Effect of vegetation coverage on aeolian dust accumulation in a semiarid steppe of northern China SCI/SSCI论文 2011 作者:  Wang X. 收藏  |  浏览/下载：16/0  |  提交时间：2012/06/08 Land management  Organic carbon  Nutrient accumulation  Soil particle  size  long-range transport  inner-mongolia  wind erosion  new-mexico  soil  grassland  australia  atmosphere  carbon   Effect of agricultural land use changes on soil nutrient use efficiency in an agricultural area, Beijing, China SCI/SSCI论文 2011 作者:  Li Q.;  Li Q. 收藏  |  浏览/下载：16/0  |  提交时间：2012/06/08 agricultural land use  soil nutrient absorption rate (NAR)  soil  nutrient use economic efficiency ratio (NEER)  soil property  environmental effect  organic-carbon stock  cropping systems  loess plateau  north china  water-quality  nitrogen  tillage  sequestration  plain  phosphorus   Surface modelling of soil properties based on land use information SCI/SSCI论文 2011 Shi W. J.; Liu J. Y.; Du Z. P.; Stein A.; Yue T. X. 收藏  |  浏览/下载：15/0  |  提交时间：2012/06/08 Soil properties  HASM  Land use  Interpolation accuracy  spatial prediction  organic-carbon  terrain attributes  interpolation  regression  scale  maps  geostatistics  variables  science   Litter decomposition in a subtropical plantation in Qianyanzhou, China SCI/SSCI论文 2011 Xu S. G.; Liu Y. F.; Cui Y. G.; Pei Z. Y. 收藏  |  浏览/下载：21/0  |  提交时间：2012/06/08 Litter decomposition  Subtropical plantation  delta(13)C  delta(15)N  soil organic-matter  carbon-isotope dynamics  leaf-litter  tropical  forest  rain-forest  discrimination  lignin  rates  c-13  fractionation   Denitrifying bacteria and hydrogeochemistry in a natural wetland adjacent to farmlands in Chiba, Japan SCI/SSCI论文 2011 Li F. D.; Zhang Q. Y.; Tang C. Y.; Fukumoto K.; Ota H. 收藏  |  浏览/下载：42/0  |  提交时间：2012/06/08 denitrifying bacteria  denitrification  hydrogeochemistry  wetland  dissimilatory nitrate reduction  constructed wetlands  drinking-water  nitrogen transformations  isotope fractionation  headwater wetland  united-states  flow paths  denitrification  groundwater   Effect of environmental factors on regional soil organic carbon stocks across the Loess Plateau region, China SCI/SSCI论文 2011 Liu Z. P.; Shao M. A.; Wang Y. Q. 收藏  |  浏览/下载：32/0  |  提交时间：2012/06/08 Soil organic carbon density  Environmental factors  Geostatistics  Spatial pattern  Land-use  land-use  climate-change  geographical-distribution  nitrogen-fertilizer  spatial variability  chemical-properties  agricultural soils  vegetation type  sequestration  matter   Microbial biomass carbon and enzyme activities of urban soils in Beijing SCI/SSCI论文 2011 Wang M. E.; Markert B.; Shen W. M.; Chen W. P.; Peng C.; Ouyang Z. Y. 收藏  |  浏览/下载：20/0  |  提交时间：2012/06/08 Beijing urban soil  Microbial community health  Microbial biomass  carbon  Urease  Invertase  organic-matter  urease activity  heavy-metals  pollution  community  microorganisms  invertase  indicator  toxicity  cadmium   Estimating total net primary productivity of managed grasslands by a state-space modeling approach in a small catchment on the Loess Plateau, China SCI/SSCI论文 2011 Jia X. X.; Shao M. G.; Wei X. R.; Horton R.; Li X. Z. 收藏  |  浏览/下载：18/0  |  提交时间：2012/06/08 Total net primary productivity  Spatial heterogeneity  State-space  models  Classical statistics  Vegetation restoration  forest ecosystem processes  soil-water content  regional applications  landscape-scale  general-model  crop yield  phosphorus  biodiversity  communities  temperature   Spatial and temporal patterns of CO(2) and CH(4) fluxes in China's croplands in response to multifactor environmental changes SCI/SSCI论文 2011 Ren W.; Tian H. Q.; Xu X. F.; Liu M. L.; Lu C. Q.; Chen G. S.; Melillo J.; Reilly J.; Liu J. Y. 收藏  |  浏览/下载：11/0  |  提交时间：2012/06/08 soil organic-carbon  land-cover change  methane emissions  stomatal  conductance  climate variability  plant respiration  ozone pollution  united-states  gas emissions  rice paddies   Effects of afforestation on soil carbon turnover in China's subtropical region SCI/SSCI论文 2011 Wang S. Q.; Liu J. Y.; Zhang C.; Yi C. X.; Wu W. X. 收藏  |  浏览/下载：12/0  |  提交时间：2012/06/08 soil organic carbon  stable carbon isotope  plantation forest  organic-matter dynamics  isotope ratios  delta-c-13 values  vegetation  change  southeast brazil  land-use  forest  climate  sequestration  decomposition