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浏览/检索结果: 共9条，第1-9条 帮助 限定条件 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 Coordinated pattern of multi-element variability in leaves and roots across Chinese forest biomes SCI/SSCI论文 2016 作者:  Zhao N.;  Yu, G. R.;  He, N. P.;  Wang, Q. F.;  Guo, D. L. 收藏  |  浏览/下载：38/0  |  提交时间：2016/12/16 Conservatism  element variability  environmental regulation  fine root  macronutrient  stoichiometry  taxonomy  phosphorus stoichiometry  leaf nitrogen  fresh-water  fine roots  nutrient concentrations  phylogenetic variation  grassland biomes  plants  terrestrial  traits   Estimation and uncertainty analyses of grassland biomass in Northern China: Comparison of multiple remote sensing data sources and modeling approaches SCI/SSCI论文 2016 作者:  Jia W. X.;  Liu, M.;  Yang, Y. H.;  He, H. L.;  Zhu, X. D. 收藏  |  浏览/下载：22/0  |  提交时间：2017/11/09 Grassland biomass  NDVI  Root-to-shoot ratio  Uncertainty analysis  Northern China  net primary productivity  aboveground biomass  carbon storage  time-series  modis  vegetation  patterns  avhrr  performance  allocation   Designing an Experiment to Investigate Subpixel Mapping as an Alternative Method to Obtain Land Use/Land Cover Maps SCI/SSCI论文 2016 作者:  Ge Y.;  Jiang, Y.;  Chen, Y. H.;  Stein, A.;  Jiang, D. 收藏  |  浏览/下载：13/0  |  提交时间：2017/11/09 subpixel mapping  downscaling  land use/land cover  experimental design  markov-random-field  remote-sensing imagery  hopfield neural-network  shifted images  sensed imagery  pixel  constraints  dependence  resolution  pattern   Reducing Excessive Nitrogen Use in Chinese Wheat Production Through Knowledge Training: What Are the Implications for the Public Extension System? SCI/SSCI论文 2015 作者:  Jia X. P.;  Huang, J. K.;  Xiang, C.;  Powlson, D. 收藏  |  浏览/下载：22/0  |  提交时间：2015/12/09 extension  nitrogen  wheat  farmer  China  training  agricultural extension  farm size  management strategies  technology  adoption  maize production  irrigated rice  fertilizer  impacts  reform  risk   Evolution and variation of atmospheric carbon dioxide concentration over terrestrial ecosystems as derived from eddy covariance measurements SCI/SSCI论文 2015 作者:  Liu M.;  Wu, J. B.;  Zhu, X. D.;  He, H. L.;  Jia, W. X. 收藏  |  浏览/下载：21/0  |  提交时间：2015/12/09 CO2 concentration  Terrestrial ecosystem  Carbon flux  Eddy covariance  technique  urban co2 dome  net carbon  interannual variability  northern  ecosystems  temporal variations  inverse model  400 ppm  exchange  cycle  trends   The composition, spatial patterns, and influencing factors of atmospheric wet nitrogen deposition in Chinese terrestrial ecosystems SCI/SSCI论文 2015 作者:  Zhu J. X.;  He, N. P.;  Wang, Q. F.;  Yuan, G. F.;  Wen, D. 收藏  |  浏览/下载：26/0  |  提交时间：2015/12/09 Nitrogen  Wet deposition  Spatial pattern  Composition  Influencing  factors  organic nitrogen  forest ecosystems  northeast china  united-states  south china  precipitation  sulfur  impact  carbon  cycle   Nitrogen deposition and its spatial pattern in main forest ecosystems along north-south transect of eastern China SCI/SSCI论文 2014 Zhan X. Y.; Yu G. R.; He N. P.; Fang H. J.; Jia B. R.; Zhou M.; Wang C. K.; Zhang J. H.; Zhao G. D.; Wang S. L.; Liu Y. F.; Yan J. H. 收藏  |  浏览/下载：19/0  |  提交时间：2014/12/24 forest ecosystem  nitrogen deposition  NH4+-N  NO3-N  eastern China  atmospheric deposition  species richness  european forests  coastal  waters  critical loads  united-states  nitrate  cycle  saturation  grasslands   Spatial and decadal variations in inorganic nitrogen wet deposition in China induced by human activity SCI/SSCI论文 2014 Jia Y.; Yu G.; He N.; Zhan X.; Fang H.; Sheng W.; Zuo Y.; Zhang D.; Wang Q. 收藏  |  浏览/下载：33/0  |  提交时间：2014/12/24 forest carbon sequestration  temperate forests  united-states  impact  emissions  model  acidification  grasslands  storage  europe   Checking into China's cow hotels: Have policies following the milk scandal changed the structure of the dairy sector? SCI/SSCI论文 2012 Mo D.; Huang J.; Jia X.; Luan H.; Rozelle S.; Swinnen J. 收藏  |  浏览/下载：27/0  |  提交时间：2012/09/04 cow hotel production  China's milk scandal  dairy policies  rise