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科研机构
北京大学 [1208]
内容类型
期刊论文 [1094]
其他 [107]
会议论文 [7]
发表日期
2017 [110]
2016 [99]
2015 [106]
2014 [113]
2013 [83]
2012 [73]
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专题:北京大学
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Assessing Agricultural Drought Vulnerability by a VSD Model: A Case Study in Yunnan Province, China
期刊论文
SUSTAINABILITY, 2017
Wu, Jiansheng
;
Lin, Xin
;
Wang, Meijuan
;
Peng, Jian
;
Tu, Yuanjie
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
agricultural drought vulnerability
VSDmode
factor contributionmethod
Yunnan Province
CLIMATE-CHANGE
RISK
FRAMEWORK
DISASTERS
HAZARD
MAIZE
WHEAT
Longitudinal changes in species composition of forests and grasslands across the North Asian forest steppe zone
期刊论文
FOLIA GEOBOTANICA, 2017
Lashchinskiy, Nikolay
;
Korolyuk, Andrey
;
Makunina, Natalia
;
Anenkhonov, Oleg
;
Liu, Hongyan
收藏
  |  
浏览/下载:25/0
  |  
提交时间:2017/12/03
forest-steppe
landscape
floristic heterogeneity
quantitative floristic methods
SOUTHERN SIBERIA
SEMIDRY GRASSLANDS
ECOLOGICAL FACTORS
CENTRAL-EUROPE
RICHNESS
VEGETATION
DIVERSITY
GRADIENT
COEXISTENCE
PATTERNS
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
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
古高梁河演变及其与古蓟城的关系
期刊论文
古地理学报, 2017
岳升阳
;
马悦婷
;
齐乌云
;
徐海鹏
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
北京
古高梁河
永定河
古蓟城
元大都
Beijing
Paleo-Gaoliang River
Yongding River
ancient Ji City
Yuandadu
Coupling ecosystem services supply and human ecological demand to identify landscape ecological security pattern: A case study in Beijing-Tianjin-Hebei region, China
期刊论文
URBAN ECOSYSTEMS, 2017
Zhang, Liqing
;
Peng, Jian
;
Liu, Yanxu
;
Wu, Jiansheng
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Landscape ecological security pattern
Human ecological demand
Ecosystemservices
Ecological source
Ecological corridor
Beijing-Tianjin-Hebei region
LAND-USE CHANGE
HABITAT PATCHES
URBAN
CONNECTIVITY
URBANIZATION
MODEL
DYNAMICS
CITY
AREA
ENVIRONMENT
Increasing the Use of Urban Greenways in Developing Countries: A Case Study on Wutong Greenway in Shenzhen, China
期刊论文
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH, 2017
Chen, Yiyong
;
Gu, Weiying
;
Liu, Tao
;
Yuan, Lei
;
Zeng, Mali
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
frequency of use
duration of use
logistic regression
urban greenway
PHYSICAL-ACTIVITY BEHAVIORS
PUBLIC OPEN SPACE
HEALTH
INFRASTRUCTURE
COMMUNITIES
DESIGN
PLACE
Accumulative effects of indoor air pollution exposure on leukocyte telomere length among non-smokers
期刊论文
ENVIRONMENTAL POLLUTION, 2017
Lin, Nan
;
Mu, Xinlin
;
Wang, Guilian
;
Ren, Yu&apos
;
Su, Shu
;
Li, Zhiwen
;
Wang, Bin
;
Tao, Shu
;
ang
收藏
  |  
浏览/下载:110/0
  |  
提交时间:2017/12/03
Leukocyte telomere length
Accumulative effects
Indoor air pollution
Solid fuel combustion
Main finding
OXIDATIVE STRESS
CARDIOVASCULAR-DISEASE
PARTICULATE MATTER
COAL COMBUSTION
LUNG-CANCER
B-CELL
CHINA
WOMEN
ASSOCIATION
FUMES
Different composition and distribution patterns of mineral-protected versus hydrolyzable lipids in shrubland soils
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES, 2017
Cai, Yue
;
Tang, Zhiyao
;
Xiong, Gaoming
;
Xie, Zongqiang
;
Liu, Zongguang
;
Feng, Xiaojuan
收藏
  |  
浏览/下载:120/0
  |  
提交时间:2017/12/03
physical protection
cutin and suberin
microbial carbon
environmental influences
accumulation mechanism
ORGANIC-MATTER
FOREST SOILS
HYDROFLUORIC-ACID
CARBON STORAGE
MICROBIAL COMMUNITIES
LITTER DECOMPOSITION
MAGNETIC-MATERIALS
AGRICULTURAL SOIL
ALIPHATIC LIPIDS
WESTERN CANADA
Changes in intermediate water conditions in the northern South China Sea using Globorotalia inflata over the last 20 ka
期刊论文
JOURNAL OF QUATERNARY SCIENCE, 2017
Yang, Yiping
;
Xiang, Rong
;
Liu, Jianguo
;
Fu, Shaoying
;
Zhou, Liping
;
Du, Shuhuan
;
Lu, Honghong
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2017/12/03
Antarctic Intermediate Water
Globorotalia inflata
North Pacific Intermediate Water
paleoceanography
South China Sea
ATMOSPHERIC CO2 RISE
PACIFIC-OCEAN
PLANKTONIC-FORAMINIFERA
NORTHWESTERN PACIFIC
GLACIAL MAXIMUM
THERMOHALINE CIRCULATION
ISOTOPIC COMPOSITION
MONSOON CLIMATE
WESTERN PACIFIC
SURFACE OCEAN
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