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科研机构
北京大学 [2330]
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期刊论文 [1818]
其他 [465]
会议论文 [47]
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2017 [160]
2016 [167]
2015 [206]
2014 [176]
2013 [160]
2012 [163]
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专题:北京大学
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流动人口迁移距离与其城镇化影响的区域差异
期刊论文
北京大学学报 自然科学版, 2017
但俊
;
阴劼
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
流动人口
迁移距离
城镇化
区域差异
地理加权回归
floating population
migration distance
urbanization
regional differences
geographically weighted regression
Positive effects of tree species diversity on litterfall quantity and quality along a secondary successional chronosequence in a subtropical forest
期刊论文
JOURNAL OF PLANT ECOLOGY, 2017
Huang, Yuanyuan
;
Ma, Yinlei
;
Zhao, Ke
;
Niklaus, Pascal A.
;
Schmid, Bernhard
;
He, Jin-Sheng
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
species richness
BEF-China
litterfall
leaf litter C/N
subtropical forest
secondary succession
structural equation models
NET PRIMARY PRODUCTION
STAND DEVELOPMENT
TROPICAL FORESTS
STOICHIOMETRY
NITROGEN
PRODUCTIVITY
RICHNESS
COMPLEMENTARITY
DECOMPOSITION
ASPEN
Global long-range transport and lung cancer risk from polycyclic aromatic hydrocarbons shielded by coatings of organic aerosol
期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2017
Shrivastava, Manish
;
Lou, Silja
;
Zelenyuk, Alla
;
Easter, Richard C.
;
Corley, Richard A.
;
Thrall, Brian D.
;
Rasch, Philip J.
;
Fast, Jerome D.
;
Simonich, Staci L. Massey
;
Shen, Huizhong
;
Tao, Shu
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
polycyclic aromatic hydrocarbons
organic aerosols
climate model
viscous aerosol shield
heterogeneous chemistry
ATMOSPHERIC TRANSPORT
HETEROGENEOUS REACTIONS
OH RADICALS
PARTICLES
REACTIVITY
PAHS
MODEL
OZONE
KINETICS
PHASE
Range shifts in response to climate, change of Ophiocordyceps sinensis, a fungus endemic to the Tibetan Plateau
期刊论文
BIOLOGICAL CONSERVATION, 2017
Yan, Yujing
;
Li, Yi
;
Wang, Wen-Jing
;
He, Jin-Sheng
;
Yang, Rui-Heng
;
Wu, Hai-Jun
;
Wang, Xiao-Liang
;
Jiao, Lei
;
Tang, Zhiyao
;
Yao, Yi-Jian
收藏
  |  
浏览/下载:109/0
  |  
提交时间:2017/12/03
Climate change
Distribution
Species distribution model
Fungi
Cordyceps sinensis
Tibetan Plateau
SPECIES DISTRIBUTION MODELS
IMPACTS
ACCURACY
PATTERNS
AREA
DISTRIBUTIONS
PRODUCTIVITY
VEGETATION
DIVERSITY
DYNAMICS
城乡结合部农业地域功能实现程度及变化趋势——以北京为例
期刊论文
地理研究, 2017
刘玉
;
冯健
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
城乡结合部
地域功能
农业多功能
实现程度
变化趋势
rural-urban fringe
regional function
multi-functionality of agriculture
execution
change
Spatial identification of critical nutrient loads of large shallow lakes: Implications for Lake Taihu (China)
期刊论文
WATER RESEARCH, 2017
Janssen, Annette B. G.
;
de Jager, Victor C. L.
;
Janse, Jan H.
;
Kong, Xiangzhen
;
Liu, Sien
;
Ye, Qinghua
;
Mooij, Wolf M.
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2017/12/03
Eutrophication
Spatial heterogeneity
Bifurcation analysis
PCLake
Load-response curve
Algal blooms
ALTERNATIVE STABLE STATES
HARMFUL ALGAL BLOOMS
REGIME SHIFTS
CYANOBACTERIAL BLOOMS
DATABASE APPROACH
CLIMATE-CHANGE
WATER CRISIS
ECOSYSTEMS
THRESHOLDS
EUTROPHICATION
Exploring car ownership and car use in neighborhoods near metro stations in Beijing: Does the neighborhood built environment matter?
期刊论文
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 2017
Li, Shengxiao
;
Zhao, Pengjun
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2017/12/03
The built environment
Car ownership
VKT
Self-selection
Beijing
MIXED LAND-USE
TRAVEL BEHAVIOR
URBAN FORM
NORTHERN CALIFORNIA
EMPIRICAL-EVIDENCE
AUTO OWNERSHIP
SELF-SELECTION
GROWING CITY
MODE CHOICE
CHINA
Variability and quasi-decadal changes in the methane budget over the period 2000-2012
期刊论文
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2017
Saunois, Marielle
;
Bousquet, Philippe
;
Poulter, Ben
;
Peregon, Anna
;
Ciais, Philippe
;
Canadell, Josep G.
;
Dlugokencky, Edward J.
;
Etiope, Giuseppe
;
Bastviken, David
;
Houweling, Sander
;
Janssens-Maenhout, Greet
;
Tubiello, Francesco N.
;
Castaldi, Simona
;
Jackson, Robert B.
;
Alexe, Mihai
;
Arora, Vivek K.
;
Beerling, David J.
;
Bergamaschi, Peter
;
Blake, Donald R.
;
Brailsford, Gordon
;
Bruhwiler, Lori
;
Crevoisier, Cyril
;
Crill, Patrick
;
Covey, Kristofer
;
Frankenberg, Christian
;
Gedney, Nicola
;
Hoeglund-Isaksson, Lena
;
Ishizawa, Misa
;
Ito, Aki
收藏
  |  
浏览/下载:109/0
  |  
提交时间:2017/12/03
GLOBAL ATMOSPHERIC ETHANE
NATURAL-GAS PRODUCTION
PROCESS-BASED MODEL
CH4 EMISSIONS
FOSSIL-FUEL
GROWTH-RATE
INTERANNUAL VARIABILITY
TERRESTRIAL ECOSYSTEMS
BIOGEOCHEMISTRY MODEL
SURFACE MEASUREMENTS
基于生态系统服务簇的内蒙古自治区生态功能分区
期刊论文
应用生态学报, 2017
李慧蕾
;
彭建
;
胡熠娜
;
武文欢
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
生态系统服务簇
SOFM神经网络
生态功能分区
内蒙古自治区
ecosystem service bundles
SOFM neural network
ecological function zoning
Inner Mongolia Autonomous Region
基于TVDI和气象数据的陕西省春季旱情时空分析
期刊论文
水土保持研究, 2017
薛天翼
;
白建军
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2017/12/03
遥感
陕西省干旱
气象数据
时空变化
TVDI
remote sensing
drought in Shaanxi
TVDI
meteorological data
the spatiotemporal variation
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