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浏览/检索结果: 共9条，第1-9条 帮助 限定条件 发表日期：2007    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 Original and secondary high-frequency sandstorm zones in the Loess Plateau region, China SCI/SSCI论文 2007 Xu J. X.; Liao J. H. 收藏  |  浏览/下载：5/0  |  提交时间：2012/06/08 sandstorm  abrupt change  human activities  Loess Plateau  dust storms   The variation of methane emission from freshwater marshes and response to the exogenous N in Sanjiang Plain Northeast China SCI/SSCI论文 2007 Zhang L. H.; Song C. C.; Wang D. X.; Wang Y. Y.; Xu X. F. 收藏  |  浏览/下载：13/0  |  提交时间：2012/06/08 variation  exogenous N  methane emission  freshwater marshes  the  Sanjiang Plain  carbon-dioxide  phragmites-australis  diel variation  nitrous-oxide  ch4  emissions  trace gases  oxidation  soil  co2  peatland   Irrigation management reforms in the Yellow River Basin: Implications for water saving and poverty SCI/SSCI论文 2007 Wang J. X.; Huang J. K.; Xu Z. G.; Rozelle S.; Hussain I.; Biltonen E. 收藏  |  浏览/下载：17/0  |  提交时间：2012/06/08 irrigation management reforms  incentives  water use  poverty  China  china rural economy  technological-change  growth  productivity  agriculture   Contribution of additives Cu to its accumulationin pig feces: study in Beijing and Fuxin of China SCI/SSCI论文 2007 Li Y. X.; Li W.; Wu J.; Xu L. C.; Su Q. H.; Xiong X. 收藏  |  浏览/下载：22/0  |  提交时间：2012/06/08 copper (Cu)  pig feed  pig feces  intensive pig production  heavy-metals  livestock feeds  animal manures  copper  soil  residues  england  poultry  wales   Impacts of flood events in coarse sediment-producing areas on channel siltation and fluvial process of the lower Yellow River SCI/SSCI论文 2007 Zhang O. Y.; Feng X. F.; Xu J. X. 收藏  |  浏览/下载：12/0  |  提交时间：2012/06/08 channel siltation  fluvial process  coarse sediment-producing areas  flood events  Yellow River basin  loess plateau  china   A study of scale effect on specific sediment yield in the Loess Plateau, China SCI/SSCI论文 2007 Yan Y. X.; Xu J. X. 收藏  |  浏览/下载：16/0  |  提交时间：2012/06/08 Loess Plateau  erosion  scale effect  specific sediment yield  yellow-river basin  erosion   Modeling the maximum apparent quantum use efficiency of alpine meadow ecosystem on Tibetan Plateau SCI/SSCI论文 2007 Xu L. L.; Zhang X. Z.; Shi P. L.; Li W. H.; He Y. T. 收藏  |  浏览/下载：11/0  |  提交时间：2012/06/08 maximum apparent quantum use  efficiency (alpha(0))  stand level  modeling Eddy covariance  alpine meadow  Tibet plateau  co2 concentration  flux measurements  winter-wheat  yield  photosynthesis  assimilation  atmosphere  leaves  c-3   Interactions of plant species mediated plant competition for inorganic nitrogen with soil microorganisms in an alpine meadow SCI/SSCI论文 2007 Song M. H.; Xu X. L.; Hu Q. W.; Tian Y. Q.; Hua O. Y.; Zhou C. P. 收藏  |  浏览/下载：20/0  |  提交时间：2012/06/08 microbial biomass nitrogen  below-ground competition  shoot competition  productivity gradients  positive interactions  direct extraction  annual  grassland  old-field  nitrate  forest   Trends in suspended sediment grain size in the upper Yangtze River and its tributaries, as influenced by human activities SCI/SSCI论文 2007 Xu J. X. 收藏  |  浏览/下载：10/0  |  提交时间：2012/06/08 suspended sediment load  sediment grain size  reservoir  soil  conservation  upper Yangtze River  china