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浏览/检索结果: 共104条，第1-10条 帮助 限定条件 发表日期：2016    专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     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 A method for apportionment of natural and anthropogenic contributions to heavy metal loadings in the surface soils across large-scale regions 期刊论文 ENVIRONMENTAL POLLUTION, 2016 Hu, Yuanan; Cheng, Hefa 收藏  |  浏览/下载：34/0  |  提交时间：2017/12/03 Sequential extraction  Source identification  Conditional inference tree  Random forest  Soil metal loading  Non-residual fractions  SEQUENTIAL EXTRACTION PROCEDURE  AGRICULTURAL SOILS  SOUTH CHINA  CHEMICAL SPECIATION  CONTAMINATED SOILS  POLLUTION SOURCES  SEDIMENTS  MOBILITY  IDENTIFICATION  FRACTIONATION   Spatial distribution of forest aboveground biomass in China: Estimation through combination of spaceborne lidar, optical imagery, and forest inventory data 期刊论文 REMOTE SENSING OF ENVIRONMENT, 2016 Su, Yanjun; Guo, Qinghua; Xue, Baolin; Hu, Tianyu; Alvarez, Otto; Tao, Shengli; Fang, Jingyun 收藏  |  浏览/下载：9/0  |  提交时间：2017/12/03 Forest aboveground biomass  GIAS/ICESat  Lidar  Ground inventory  China  SMALL-FOOTPRINT LIDAR  LEAF-AREA INDEX  LANDSAT TM DATA  RADAR BACKSCATTER  CARBON BALANCE  CLIMATE-CHANGE  BRAZILIAN AMAZON  DECIDUOUS FOREST  BOREAL FOREST  GREEN PROGRAM   云南松混交林火烧迹地更新早期草本层物种多样性的空间格局 期刊论文 植物生态学报, 2016 韩杰; 应凌霄; 李贵祥; 沈泽昊 收藏  |  浏览/下载：7/0  |  提交时间：2017/12/03 火后更新  草本多样性  物种构成  火前植被  地形  火烧强度  post-fire regeneration  herb diversity  species composition  pre-fire vegetation  topography  fire severity   Temperature, precipitation, and insolation effects on autumn vegetation phenology in temperate China 期刊论文 GLOBAL CHANGE BIOLOGY, 2016 Liu, Qiang; Fu, Yongshuo H.; Zeng, Zhenzhong; Huang, Mengtian; Li, Xiran; Piao, Shilong 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 autumn phenology  China  climate change  end of growing season  insolation  normalized difference vegetation index  GREEN-UP DATE  AVHRR NDVI DATA  GROWING-SEASON  TIME-SERIES  SPRING PHENOLOGY  LEAF SENESCENCE  NORTHERN-HEMISPHERE  TIBETAN PLATEAU  CLIMATE-CHANGE  PLANT PHENOLOGY   Effects of high CO2 levels on dynamic photosynthesis: carbon gain, mechanisms, and environmental interactions 期刊论文 JOURNAL OF PLANT RESEARCH, 2016 Tomimatsu, Hajime; Tang, Yanhong 收藏  |  浏览/下载：7/0  |  提交时间：2017/12/03 Carbon dioxide  Dynamic photosynthesis  Elevated CO2  Fluctuating irradiance  Lightfleck  Sunfleck  GAS-EXCHANGE ANALYSIS  TROPICAL RAIN-FOREST  ELECTRON-TRANSPORT  FLUCTUATING LIGHT  ATMOSPHERIC CO2  RUBISCO ACTIVASE  ELEVATED CO2  ALOCASIA-MACRORRHIZA  STOMATAL CONDUCTANCE  ISOPRENE EMISSION   Seasonality, Rather than Nutrient Addition or Vegetation Types, Influenced Short-Term Temperature Sensitivity of Soil Organic Carbon Decomposition 期刊论文 PLOS ONE, 2016 Qian, Yu-Qi; He, Feng-Peng; Wang, Wei 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 MICROBIAL COMMUNITY COMPOSITION  CLIMATE-CHANGE  FOREST SOILS  PHOSPHORUS LIMITATION  MATTER DECOMPOSITION  NITROGEN LIMITATION  ROOT RESPIRATION  N FERTILIZATION  TROPICAL FOREST  TUNDRA SOILS   Predicting soil respiration for the Qinghai-Tibet Plateau: An empirical comparison of regression models 期刊论文 PEDOBIOLOGIA, 2016 Bosch, Anna; Doerfer, Corina; He, Jin-Sheng; Schmidt, Karsten; Scholten, Thomas 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 Soil respiration  Regression model  Qinghai-Tibet Plateau  WorldClim  CO2 EFFLUX  TEMPERATURE SENSITIVITY  PERMAFROST DEGRADATION  GLOBAL DATABASE  ORGANIC-CARBON  ALPINE MEADOW  WATER-CONTENT  FOREST SOIL  HIGH ASIA  PRECIPITATION   Carbon and nitrogen additions induce distinct priming effects along an organic-matter decay continuum 期刊论文 SCIENTIFIC REPORTS, 2016 Qiao, Na; Xu, Xingliang; Hu, Yuehua; Blagodatskaya, Evgenia; Liu, Yongwen; Schaefer, Douglas; Kuzyakov, Yakov 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 ELEVATED CO2  SOIL CARBON  LITTER DECOMPOSITION  N AVAILABILITY  USE EFFICIENCY  STOICHIOMETRY  FOREST  LIMITATION  NUTRIENT  METAANALYSIS   Seasonal divergence in the interannual responses of Northern Hemisphere vegetation activity to variations in diurnal climate 期刊论文 SCIENTIFIC REPORTS, 2016 Wu, Xiuchen; Liu, Hongyan; Li, Xiaoyan; Liang, Eryuan; Beck, Pieter S. A.; Huang, Yongmei 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 NET PRIMARY PRODUCTION  MINIMUM TEMPERATURE  TREE MORTALITY  CARBON-CYCLE  DROUGHT  FORESTS  GROWTH  CLASSIFICATION  RETRIEVALS  ECOSYSTEMS   Fast-cycling unit of root turnover in perennial herbaceous plants in a cold temperate ecosystem 期刊论文 SCIENTIFIC REPORTS, 2016 Sun, Kai; McCormack, M. Luke; Li, Le; Ma, Zeqing; Guo, Dali 收藏  |  浏览/下载：8/0  |  提交时间：2017/12/03 LIFE-SPAN  BRANCH ORDER  FINE ROOTS  NUTRIENT AVAILABILITY  FRAXINUS-MANDSHURICA  FOREST  LEAF  CARBON  RESPIRATION  LONGEVITY