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科研机构
北京大学 [54]
内容类型
期刊论文 [45]
其他 [9]
发表日期
2017 [6]
2016 [3]
2015 [10]
2014 [4]
2013 [4]
2012 [6]
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专题:北京大学
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家庭式迁移的流动人口住房状况
期刊论文
地理研究, 2017
冯长春
;
李天娇
;
曹广忠
;
沈昊婧
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
流动人口
家庭式迁移
住房
家庭策略
floating population
family migration
housing
family strategy
Soil fungal diversity in natural grasslands of the Tibetan Plateau: associations with plant diversity and productivity
期刊论文
NEW PHYTOLOGIST, 2017
Yang, Teng
;
Adams, Jonathan M.
;
Shi, Yu
;
He, Jin-sheng
;
Jing, Xin
;
Chen, Litong
;
Tedersoo, Leho
;
Chu, Haiyan
收藏
  |  
浏览/下载:119/0
  |  
提交时间:2017/12/03
diversity coupling
plant diversity
primary productivity
productivity-diversity relationship
soil fungal diversity
Tibetan Plateau
ARBUSCULAR MYCORRHIZAL FUNGI
SPECIES-ENERGY THEORY
BELOW-GROUND BIODIVERSITY
COMMUNITY STRUCTURE
TERRESTRIAL ECOSYSTEMS
VASCULAR PLANTS
FOREST SOIL
PATTERNS
RICHNESS
CARBON
中国高山植物区系地理格局与环境和空间因素的关系
期刊论文
生物多样性, 2017
沈泽昊
;
杨明正
;
冯建孟
;
李新辉
;
彭培好
;
郑智
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
高山带
种子植物
区系成分
地理分异
组成相似性
Mantel检验
空间距离
地貌
气候
alpine zone
seed plant
floristic elements
geographic differentiation
composition similarity
Mantel test
spatial distance
physiognomy
climate
Taxonomic status and phylogenetic position of Phaeostigma in the subtribe Artemisiinae (Asteraceae)
期刊论文
JOURNAL OF SYSTEMATICS AND EVOLUTION, 2017
Huang, Yuan
;
An, Yi-Ming
;
Meng, Shi-Yong
;
Guo, Yan-Ping
;
Rao, Guang-Yuan
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Ajania
Asteraceae
circumscription
diversification
Phaeostigma
phylogeny
MOLECULAR PHYLOGENY
GENERA ASTERACEAE
ANTHEMIDEAE
SEQUENCES
Optical property of dissolved organic matters (DOMs) and its link to the presence of metal ions in surface freshwaters in China
期刊论文
CHEMOSPHERE, 2017
Yan, Mingquan
;
Ma, Jing
;
Zhang, Chenyang
;
Zhou, Yuxuan
;
Liu, Fei
;
Han, Xuze
;
Li, Mingyang
;
Ni, Jinren
收藏
  |  
浏览/下载:32/0
  |  
提交时间:2017/12/03
Absorbance
Binding site
Dissolved organic matter
Heavy metal
NICA model
HUMIC SUBSTANCES
IN-SITU
SPECIATION PREDICTIONS
MODEL PREDICTIONS
TREATMENT-PLANT
NATURAL-WATERS
BINDING
COPPER
COMPLEXATION
IRON
Transmit Only: An Ultra Low Overhead MAC Protocol for Dense Wireless Systems
其他
2017-01-01
Firner, Bernhard
;
Zhang, Yanyong
;
Howard, Richard
;
Martin, Richard P.
;
Mandayam, Narayan
;
Fukuyama, Junichiro
;
Xu, Chenren
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Transmit-Only
Low Power
SENSOR NETWORKS
Linking temperature sensitivity of soil CO2 release to substrate, environmental, and microbial properties across alpine ecosystems
期刊论文
GLOBAL BIOGEOCHEMICAL CYCLES, 2016
Ding, Jinzhi
;
Chen, Leiyi
;
Zhang, Beibei
;
Liu, Li
;
Yang, Guibiao
;
Fang, Kai
;
Chen, Yongliang
;
Li, Fei
;
Kou, Dan
;
Ji, Chengjun
;
Luo, Yiqi
;
Yang, Yuanhe
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
ORGANIC-MATTER QUALITY
CLIMATE-CHANGE
TERRESTRIAL ECOSYSTEMS
CARBON DECOMPOSITION
TIBETAN GRASSLANDS
LABILE CARBON
RESPIRATION
MINERALIZATION
BIOMASS
CHINA
Longitudinal difference in total electron content over the East Asian region: Feature and explanation
期刊论文
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS, 2016
Yu, Shimei
;
Xiao, Zuo
;
Zhao, Biqiang
;
Zhang, Donghe
;
Hao, Yongqiang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Ionospheric longitudinal difference
TEC
Thermospheric wind effect
GRAVITY-WAVE ACTIVITY
SATELLITE DATA
NORTH-AMERICA
GLOBAL-MODEL
GPS NETWORK
TEC
WINDS
PERTURBATIONS
THERMOSPHERE
CLIMATOLOGY
High-resolution inventory of ammonia emissions from agricultural fertilizer in China from 1978 to 2008
期刊论文
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2016
Xu, P.
;
Liao, Y. J.
;
Lin, Y. H.
;
Zhao, C. X.
;
Yan, C. H.
;
Cao, M. N.
;
Wang, G. S.
;
Luan, S. J.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
SPATIAL-DISTRIBUTION
ATMOSPHERIC AMMONIA
NH3 EMISSIONS
SATELLITE-OBSERVATIONS
AGROECOSYSTEM MODEL
BIDIRECTIONAL FLUX
NITROGEN-OXIDES
UNITED-STATES
EAST-ASIA
N2O
Assessment and management of ecological risk in an agricultural-pastoral ecotone: case study of Ordos, Inner Mongolia, China
期刊论文
NATURAL HAZARDS, 2015
Meng, JiJun
;
Xiang, Yunyun
;
Yan, Qun
;
Mao, XiYan
;
Zhu, LiKai
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Ecological risk
Risk assessment
Risk management
Ecotone
Ordos
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