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科研机构
北京大学 [63]
内容类型
期刊论文 [55]
其他 [8]
发表日期
2017 [10]
2016 [10]
2015 [7]
2014 [6]
2013 [7]
2012 [1]
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专题:北京大学
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Elderly Migration in China: Types, Patterns, and Determinants
期刊论文
JOURNAL OF APPLIED GERONTOLOGY, 2017
Dou, Xiaolu
;
Liu, Yujun
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2017/12/03
China
elderly migrants
long-distance migrate
short-distance migrate
migration pattern
RURAL-URBAN MIGRATION
INTERNAL MIGRATION
RESIDENTIAL-MOBILITY
HEALTH
IMPACTS
PLACE
Increasing temperature reduces the coupling between available nitrogen and phosphorus in soils of Chinese grasslands
期刊论文
SCIENTIFIC REPORTS, 2017
Geng, Yan
;
Baumann, Frank
;
Song, Chao
;
Zhang, Mi
;
Shi, Yue
;
Kuhn, Peter
;
Scholten, Thomas
;
He, Jin-Sheng
收藏
  |  
浏览/下载:101/0
  |  
提交时间:2017/12/03
N-P RATIOS
TIBETAN PLATEAU
TERRESTRIAL ECOSYSTEMS
SEMIARID GRASSLAND
ORGANIC-MATTER
CLIMATE-CHANGE
LEAF-N
PLANT
STOICHIOMETRY
CARBON
中国出口产业的空间格局演变
期刊论文
经济地理, 2017
李伟
;
贺灿飞
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
贸易
出口
原材料类产品
劳动密集型产业
技术密集型产业
空间格局演变
中国
trade
export
raw materials products
labor-intensive industries
technology intensive industries
spatial restructure
Nonlinear variations of forest leaf area index over China during 1982-2010 based on EEMD method
期刊论文
INTERNATIONAL JOURNAL OF BIOMETEOROLOGY, 2017
Yin, Yunhe
;
Ma, Danyang
;
Wu, Shaohong
;
Dai, Erfu
;
Zhu, Zaichun
;
Myneni, Ranga B.
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Leaf area index
Forest
Variations
EEMD method
VEGETATION GREENING TREND
LAND-SURFACE MODELS
TIME-SERIES
INTERANNUAL VARIABILITY
CLIMATE-CHANGE
TEMPERATURE
LAI
UNCERTAINTY
NITROGEN
DYNAMICS
Determinants of richness patterns differ between rare and common species: implications for Gesneriaceae conservation in China
期刊论文
DIVERSITY AND DISTRIBUTIONS, 2017
Liu, Yunpeng
;
Shen, Zehao
;
Wang, Qinggang
;
Su, Xiangyan
;
Zhang, Wanjun
;
Shrestha, Nawal
;
Xu, Xiaoting
;
Wang, Zhiheng
收藏
  |  
浏览/下载:40/0
  |  
提交时间:2017/12/03
biodiversity hotspots
biogeography
climate change
diversity pattern
endemism
Last Glacial Maximum
range size
winter coldness
2 SPATIAL PROCESSES
CLIMATE-CHANGE
GEOGRAPHICAL-DISTRIBUTION
DIVERSITY GRADIENT
PLANT DIVERSITY
GLOBAL PATTERNS
DISTRIBUTIONS
TEMPERATURE
SPECIATION
VELOCITY
Occurrence and geographic distribution of polycyclic aromatic hydrocarbons in agricultural soils in eastern China
期刊论文
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2017
Sun, Zhe
;
Liu, Jing
;
Zhuo, Shaojie
;
Chen, Yuanchen
;
Zhang, Yanyan
;
Shen, Huizhong
;
Yun, Xiao
;
Shen, Guofeng
;
Liu, Weiping
;
Zeng, Eddy Y.
;
Tao, Shu
收藏
  |  
浏览/下载:119/0
  |  
提交时间:2017/12/03
Polycyclic aromatic hydrocarbons
Agricultural soil
Soil organic carbon
Eastern China
RIVER-DELTA REGION
LUNG-CANCER RISK
SOURCE APPORTIONMENT
FOREST SOILS
SURFACE SOIL
PAHS
TIANJIN
EXPOSURE
ACCUMULATION
AREAS
Street as a big geo-data assembly and analysis unit in urban studies: A case study using Beijing taxi data
期刊论文
APPLIED GEOGRAPHY, 2017
Zhu, Di
;
Wang, Ninghua
;
Wu, Lun
;
Liu, Yu
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Street
Linear unit
Spatio-temporal pattern
Big geo-data
Urban study
SPACE SYNTAX
LAND-USE
COMPUTATIONAL METHOD
NETWORK
ALGORITHMS
PATTERNS
POINTS
CITIES
SCALE
TIME
GNSS-R土壤水分遥感的适宜性分析
期刊论文
遥感学报, 2017
彭学峰
;
万玮
;
李飞
;
陈秀万
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
GNSS-R
GNSS-R
soil moisture
specular reflection point
resolution
sensing depth
土壤水分
镜面反射点
分辨率
探测深度
Complicated 3D mantle flow beneath Northeast China from shear wave splitting and its implication for the Cenozoic intraplate volcanism
期刊论文
TECTONOPHYSICS, 2017
Li, Shilin
;
Guo, Zhen
;
Chen, Y. John
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Seismic anisotropy
Big mantle wedge convection
Small-scale convection
lntraplate volcanism
Songliao basin
Changbaishan volcano
660 KM DISCONTINUITY
SEISMIC ANISOTROPY
NE CHINA
TRANSITION ZONE
EASTERN CHINA
SUBDUCTION
DEFORMATION
CONSTRAINTS
EVOLUTION
ASIA
Fine-scale genetic structure analyses reveal dispersal patterns in a critically endangered primate, Trachypithecus leucocephalus
期刊论文
AMERICAN JOURNAL OF PRIMATOLOGY, 2017
Wang, Weiran
;
Yao, Meng
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
female philopatry
isolation by distance
population structure
sex-biased dispersal
spatial autocorrelation
SEX-BIASED DISPERSAL
SPATIAL AUTOCORRELATION ANALYSIS
SOCIAL-ORGANIZATION
FEMALE DISPERSAL
POPULATION-GENETICS
HABITAT FRAGMENTATION
LANDSCAPE GENETICS
COMPUTER-PROGRAM
FECAL DNA
LANGURS
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