QQ客服 官方微博 反馈留言

浏览/检索结果: 共5条，第1-5条 帮助 限定条件 内容类型：EI期刊论文     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 Relationships between altitudinal gradient and plant carbon isotope composition of grassland communities on the Qinghai-Tibet Plateau, China EI期刊论文 2013 作者:  Zhong Huaping;  Fan Jiangwen 收藏  |  浏览/下载：9/0  |  提交时间：2014/12/31 Vegetation  Atmospheric pressure  Carbon  Isotopes  Precipitation (chemical)  Temperature   Distribution patterns of groundwater-dependent vegetation species diversity and their relationship to groundwater attributes in northwestern China EI期刊论文 2013 作者:  Yu Qiang;  Wang Ping;  Yu Jingjie;  Zhu Juntao 收藏  |  浏览/下载：23/0  |  提交时间：2014/12/31 Groundwater  Arid regions  Biodiversity  Calcium  Conservation  Ecology  Forestry  Groundwater resources  Vegetation   Daily variation characteristics of CO2 emission fluxes and contributions of environmental factors in semiarid grassland of Inner Mongolia, China EI期刊论文 2005 作者:  Liu Jiyuan;  Dong Yunshe;  Qi Yuchun;  Geng Yuanbo 收藏  |  浏览/下载：9/0  |  提交时间：2012/06/11 Atmospheric composition  Earth sciences  Environmental impact  Gas emissions  Soils   China's changing landscape during the 1990s: Large-scale land transformations estimated with satellite data EI期刊论文 2005 作者:  Zhuang Dafang;  Liu Jiyuan 收藏  |  浏览/下载：16/0  |  提交时间：2012/06/11 Data reduction  Food products  Optical resolving power  Remote sensing  Urban planning   Characteristics of solar radiation and its distribution above the canopy of tropical seasonal rain forest in Xishuangbanna, Southwest China EI期刊论文 2005 作者:  Yu Gui-Rui 收藏  |  浏览/下载：14/0  |  提交时间：2012/06/11 Ecology  Optical variables measurement  Plants (botany)  Solar radiation