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科研机构
北京大学 [45]
内容类型
期刊论文 [41]
会议论文 [3]
其他 [1]
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2017 [4]
2016 [4]
2015 [4]
2014 [1]
2013 [2]
2012 [2]
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专题:北京大学
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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
Significant trade-off for the impact of Grain-for-Green Programme on ecosystem services in North-western Yunnan, China
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Wang, Jitao
;
Peng, Jian
;
Zhao, Mingyue
;
Liu, Yanxu
;
Chen, Yunqian
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/04
Grain-for-Green Programme
Ecosystem services
Trade-offs
North-westem Yunnan China
SOIL-EROSION
CARBON SEQUESTRATION
LAND-USE
SOCIOECOLOGICAL SYSTEMS
ENVIRONMENTAL-CHANGE
LOESS PLATEAU
WATER YIELD
RESTORATION
VEGETATION
CONSERVATION
Investigating the Impact of Human Activity on Land Use/Cover Change in China's Lijiang River Basin from the Perspective of Flow and Type of Population
期刊论文
SUSTAINABILITY, 2017
Li, Jun
;
Zhang, Yuan
;
Qin, Qiming
;
Yan, Yueguan
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
human activity
land use/cover change
impact analysis
trajectory data analysis
CLASSIFICATION
ENVIRONMENTS
DISTURBANCE
PATTERNS
MEXICO
湖泊生态系统稳态转换驱动因子判定方法研究进展
期刊论文
水生态学杂志, 2017
赵磊
;
刘永
;
李玉照
;
朱翔
;
邹锐
;
宋迪
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
湖泊生态系统
稳态转换
驱动因子
lake ecosystem
regime shift
driving factor
Climate extremes in the Kobresia meadow area of the Qinghai-Tibetan Plateau, 1961-2008
期刊论文
ENVIRONMENTAL EARTH SCIENCES, 2016
He, Siyuan
;
Richards, Keith
;
Zhao, Zhiqiang
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Climate extremes
Kobresia meadow
Ecosystem resilience
Pasture management
SUMMER
PRECIPITATION
DROUGHTS
CHINA
Habitat evaluation for Asian elephants (Elephas maximus) in Lincang: Conservation planning for an extremely small population of elephants in China
期刊论文
BIOLOGICAL CONSERVATION, 2016
Liu, Peng
;
Wen, Hui
;
Lin, Liu
;
Liu, Jing
;
Zhang, Li
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/04
Asian elephants
Lincang
Environmental niche factor analysis
Habitat evaluation
Extremely small population
SOUTHERN INDIA
SUITABILITY
ECOLOGY
MODELS
SELECTION
PATTERNS
YUNNAN
Soil Polycyclic Aromatic Hydrocarbons Across Urban Density Zones in Shenzhen, China: Occurrences, Source Apportionments, and Spatial Risk Assessment
期刊论文
PEDOSPHERE, 2016
Zhang Di
;
Wang Junjian
;
Zeng Hui
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
altitude
carcinogenic PAHs
soil PAH pollution
total organic C
toxic equivalency quotient
urbanization
US EPA priority PAH
PEARL RIVER DELTA
HUMAN HEALTH-RISK
SURFACE SOILS
POLYCHLORINATED-BIPHENYLS
TAIHU LAKE
PAHS
SEDIMENTS
CONTAMINATION
METROPOLIS
POLLUTION
Proxy-based sliding mode control of a robotic ankle-foot system for post-stroke rehabilitation
期刊论文
ADVANCED ROBOTICS, 2016
Chen, Geng
;
Zhou, Zhihao
;
Vanderborght, Bram
;
Wang, Ninghua
;
Wang, Qining
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/04
Proxy-based sliding mode control
robotic ankle-foot system
safety
post-stroke rehabilitation
POSITION CONTROL
ELASTIC PROPERTIES
ACHILLES-TENDON
JOINTS
ACTUATORS
STROKE
Multifunctionality assessment of urban agriculture in Beijing City, China
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2015
Peng, Jian
;
Liu, Zhicong
;
Liu, Yanxu
;
Hu, Xiaoxu
;
Wang, An
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Multifunctionality assessment
Urban agriculture
Triangle illustration method
Beijing City
NON-COMMODITY OUTPUTS
ECOSYSTEM SERVICES
LAND-USE
FOOD SECURITY
SPECIES RICHNESS
SUSTAINABILITY
BIODIVERSITY
LANDSCAPES
FRAMEWORK
SYSTEMS
灌丛分布与坡度的关系:京津冀山地实例研究
期刊论文
北京大学学报 自然科学版, 2015
王韬
;
郝倩
;
刘鸿雁
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
灌丛
坡度
资源限制
人类干扰
shrubs
gradient
resource limitation
human disturbance
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