QQ客服 官方微博 反馈留言

浏览/检索结果: 共6条，第1-6条 帮助 限定条件 发表日期：2015    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 Has the advancing onset of spring vegetation green-up slowed down or changed abruptly over the last three decades? 期刊论文 GLOBAL ECOLOGY AND BIOGEOGRAPHY, 2015 Wang, Xuhui; Piao, Shilong; Xu, Xiangtao; Ciais, Philippe; MacBean, Natasha; Myneni, Ranga B.; Li, Laurent 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 Bayesian analysis  Northern Hemisphere  reversible-jump Markov-chain Monte-Carlo  satellite data  spring phenology  trend change  CANADIAN BOREAL FOREST  CLIMATE-CHANGE  GROWING-SEASON  PHENOLOGY TRENDS  PLANT PHENOLOGY  NORTH-AMERICA  TIME-SERIES  TEMPERATURE  FIRE  PERFORMANCE   Analyzing nonlinear variations in terrestrial vegetation in China during 1982-2012 期刊论文 ENVIRONMENTAL MONITORING AND ASSESSMENT, 2015 Liu, Yanxu; Liu, Xianfeng; Hu, Yi' Li, Shuangshuang; Peng, Jian; Wang, Yanglin; na 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 Interannual vegetation variation  Nonlinear fitting  Influence factors  GIMMS NDVI3g  China  NET PRIMARY PRODUCTIVITY  CLIMATE-CHANGE  RIVER-BASIN  SPATIOTEMPORAL TRENDS  ECOSYSTEM SERVICES  TIBETAN PLATEAU  INNER-MONGOLIA  EASTERN CHINA  LOESS PLATEAU  UNITED-STATES   Spatial and Temporal Patterns of Global NDVI Trends: Correlations with Climate and Human Factors 期刊论文 Remote Sensing, 2015 Liu, Ya; Li, Yan; Li, Shuangcheng; Motesharrei, Safa 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 NDVI  vegetation  spatio-temporal pattern  temperature and precipitation  human footprint  DIFFERENCE VEGETATION INDEX  TIME-SERIES  LAND DEGRADATION  SATELLITE DATA  PHOTOSYNTHETIC TRENDS  INTERANNUAL CHANGES  ECOREGIONS MAP  AMERICA  COVER  TEMPERATURE   Vegetation Dynamics and Associated Driving Forces in Eastern China during 1999-2008 期刊论文 Remote Sensing, 2015 Peng, Jian; Li, You; Tian, Lu; Liu, Yanxu; Wang, Yanglin 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 vegetation dynamics  NDVI time series  climatic factor  anthropogenic activity  Eastern China  NDVI TIME-SERIES  LANDSCAPE PATTERN CHANGES  NET PRIMARY PRODUCTIVITY  MODIS-NDVI  AVHRR-NDVI  INTERANNUAL VARIATIONS  HIGH-LATITUDES  TREND ANALYSIS  GREAT-PLAINS  DATA SETS   Long-term vegetation changes in the four mega-sandy lands in Inner Mongolia, China 期刊论文 LANDSCAPE ECOLOGY, 2015 Zhou, Daojing; Zhao, Xia; Hu, Huifeng; Shen, Haihua; Fang, Jingyun 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Climate change  Human activity  Desertification  Sandy land  Vegetation change  NDVI  NORTHERN CHINA  NDVI DATA  DESERTIFICATION  TRENDS  RESTORATION  DEGRADATION  CLIMATE  MODIS  ENVIRONMENT  PATTERNS   Leaf P increase outpaces leaf N in an Inner Mongolia grassland over 27 years 期刊论文 biology letters, 2015 Mi Zhaorong; Huang Yuanyuan; Gan Huijie; Zhou Wenjia; Flynn Dan F B; He Jin-Sheng 收藏  |  浏览/下载：7/0  |  提交时间：2015/11/13 Chinese grassland,N : P stoichiometry,N deposition,soil acidification