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科研机构
北京大学 [34]
内容类型
期刊论文 [28]
其他 [6]
发表日期
2017 [5]
2016 [2]
2015 [6]
2014 [3]
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2012 [2]
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专题:北京大学
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More reliable pollen productivity estimates and relative source area of pollen in a forest-steppe ecotone with improved vegetation survey
期刊论文
HOLOCENE, 2017
Han, Yue
;
Liu, Hongyan
;
Hao, Qian
;
Liu, Xu
;
Guo, Weichao
;
Shangguan, Huailiang
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
ERV models
forest-steppe ecotone
pollen
PPEs
RSAP
vegetation survey
RELEVANT SOURCE AREA
MAJOR TREE TAXA
NORTHERN CHINA
PAST VEGETATION
QUANTITATIVE RECONSTRUCTION
CULTURAL LANDSCAPE
SOUTHERN SWEDEN
BOREAL FOREST
LAND-COVER
PLANT TAXA
Inconsistent estimates of forest cover change in China between 2000 and 2013 from multiple datasets: differences in parameters, spatial resolution, and definitions
期刊论文
SCIENTIFIC REPORTS, 2017
Li, Yan
;
Sulla-Menashe, Damien
;
Motesharrei, Safa
;
Song, Xiao-Peng
;
Kalnay, Eugenia
;
Ying, Qing
;
Li, Shuangcheng
;
Ma, Zongwen
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
LARGE-SCALE DEFORESTATION
LAND-USE CHANGES
DETECTING TRENDS
TREE COVER
AREA
INVENTORY
SATELLITE
CLIMATE
REMOTE
21ST-CENTURY
Growth responses of trees and understory plants to nitrogen fertilization in a subtropical forest in China
期刊论文
BIOGEOSCIENCES, 2017
Tian, Di
;
Li, Peng
;
Fang, Wenjing
;
Xu, Jun
;
Luo, Yongkai
;
Yan, Zhengbing
;
Zhu, Biao
;
Wang, Jingjing
;
Xu, Xiaoniu
;
Fang, Jingyun
收藏
  |  
浏览/下载:107/0
  |  
提交时间:2017/12/03
LOWLAND TROPICAL FOREST
NET PRIMARY PRODUCTIVITY
CARBON STORAGE
NUTRIENT LIMITATION
SOIL ACIDIFICATION
DEPOSITION
ECOSYSTEMS
ADDITIONS
PHOSPHORUS
SATURATION
Estimating Savanna Clumping Index Using Hemispherical Photographs Integrated with High Resolution Remote Sensing Images
期刊论文
REMOTE SENSING, 2017
Li, Jucai
;
Fan, Wenjie
;
Liu, Yuan
;
Zhu, Gaolong
;
Peng, Jingjing
;
Xu, Xiru
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
clumping index
leaf area index
moderate resolution pixel
hemispherical photograph
high resolution images
LEAF-AREA INDEX
MODIS BRDF PRODUCT
TREE CROWN DELINEATION
SITCHENSIS BONG CARR
SIZE ANALYSIS THEORY
CANOPY STRUCTURE
VEGETATION STRUCTURE
GRASS COEXISTENCE
COVER PHOTOGRAPHY
FOREST CANOPIES
Soil respiration in sloping rubber plantations and tropical natural forests in Xishuangbanna, China
期刊论文
AGRICULTURE ECOSYSTEMS & ENVIRONMENT, 2017
Goldberg, Stefanie Daniela
;
Zhao, Yongli
;
Harrison, Rhett D.
;
Monkai, Jutamart
;
Li, Yuwu
;
Chau, Kating
;
Xu, Jianchu
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Forest conversion
Rubber plantation
Hevea brasiliensis
Soil respiration
Soil CO2 concentrations
Soil CO2 turnover
MIXED-HARDWOOD FOREST
LAND-USE CHANGES
RAIN-FOREST
SOUTHWEST CHINA
CARBON-DIOXIDE
ORGANIC-MATTER
CO2 EFFLUX
RHIZOSPHERE RESPIRATION
EXPERIMENTAL DROUGHT
MICROBIAL ACTIVITY
Identification of Factors Influencing Locations of Tree Cover Loss and Gain and Their Spatio-Temporally-Variant Importance in the Li River Basin, China
期刊论文
REMOTE SENSING, 2016
Zhang, Yuan
;
Li, Jun
;
Qin, Qiming
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
random forests
tree cover change
variable importance
tree cover loss
tree cover gain
RANDOM FORESTS
LAND-COVER
TROPICAL DEFORESTATION
DRIVING FORCES
SOCIOECONOMIC DRIVERS
URBAN-GROWTH
REGRESSION
PATTERNS
CLASSIFICATION
ACCURACY
Integration and management of massive remote-sensing data based on GeoSOT subdivision model
期刊论文
JOURNAL OF APPLIED REMOTE SENSING, 2016
Li, Shuang
;
Cheng, Chengqi
;
Chen, Bo
;
Meng, Li
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/04
geographic coordinate subdivision grid with one-dimension integer coding on 2n-tree
remote-sensing data
array database
inverted index
GRID SYSTEM
ENVIRONMENT
CHINA
Comparison of the driving forces of spring phenology among savanna landscapes by including combined spatial and temporal heterogeneity
期刊论文
INTERNATIONAL JOURNAL OF BIOMETEOROLOGY, 2015
Zhu, Likai
;
Southworth, Jane
;
Meng, Jijun
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Southern Africa
Savanna
Land surface phenology
Spatial panel data models
The start of the growing season (SOS)
NET PRIMARY PRODUCTION
GREEN-UP DATE
SOUTHERN AFRICA
VEGETATION PHENOLOGY
PRIMARY PRODUCTIVITY
NORTH-AMERICA
TIME-SERIES
NDVI DATA
CLIMATE
PRECIPITATION
Pollen production estimates (PPEs) and fall speeds for major tree taxa and relevant source areas of pollen (RSAP) in Changbai Mountain, northeastern China
期刊论文
REVIEW OF PALAEOBOTANY AND PALYNOLOGY, 2015
Li, Yiyin
;
Nielsen, Anne Birgitte
;
Zhao, Xueqin
;
Shan, Lingjun
;
Wang, Shengzhong
;
Wu, Jing
;
Zhou, Liping
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Pollen production estimate (PPE)
Fall speed
Relevant source area of pollen (RSAP)
Northeastern China
QUANTITATIVE RECONSTRUCTION
CULTURAL LANDSCAPE
PAST VEGETATION
SIMULATION APPROACH
NORTHERN FINLAND
SOUTHERN SWEDEN
BOREAL FOREST
LAND-COVER
PLANT TAXA
DISPERSAL
Improving the dynamics of Northern Hemisphere high-latitude vegetation in the ORCHIDEE ecosystem model
期刊论文
GEOSCIENTIFIC MODEL DEVELOPMENT, 2015
Zhu, D.
;
Peng, S. S.
;
Ciais, P.
;
Viovy, N.
;
Druel, A.
;
Kageyama, M.
;
Krinner, G.
;
Peylin, P.
;
Ottle, C.
;
Piao, S. L.
;
Poulter, B.
;
Schepaschenko, D.
;
Shvidenko, A.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
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