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科研机构
北京大学 [44]
内容类型
期刊论文 [43]
会议论文 [1]
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2017 [2]
2016 [10]
2015 [6]
2014 [2]
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2012 [1]
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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
TLS-bridged co-prediction of tree-level multifarious stem structure variables from worldview-2 panchromatic imagery: a case study of the boreal forest
期刊论文
INTERNATIONAL JOURNAL OF DIGITAL EARTH, 2017
Lin, Yi
;
Wei, Tian
;
Yang, Bin
;
Knyazikhin, Yuri
;
Zhang, Yuhu
;
Sato, Hisashi
;
Fang, Xing
;
Liang, Xinlian
;
Yan, Lei
;
Sun, Shanlin
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Tree stem structure variable (SSV)
WorldView-2 panchromatic image (WPI)
static terrestrial laser scanning (TLS)
allometric relationship
co-prediction model
TERRESTRIAL LASER SCANNER
SPECIES CLASSIFICATION
FEATURE PARAMETERS
ALLOMETRIC RELATIONSHIPS
BIOMASS ESTIMATION
INDIVIDUAL TREES
PINUS-SYLVESTRIS
SATELLITE IMAGES
STANDING TREES
CROWN HEIGHT
Spatio-temporal water uptake patterns of tree saplings are not altered by interspecific interaction in the early stage of a subtropical forest
期刊论文
FOREST ECOLOGY AND MANAGEMENT, 2016
Trogisch, Stefan
;
Salmon, Yann
;
He, Jin-Sheng
;
Hector, Andy
;
Scherer-Lorenzen, Michael
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
BEF-China
Deuterium
Niche differentiation
Resource complementarity
Stable isotopes
Subtropical broadleaved forest
BROAD-LEAVED FOREST
STABLE-ISOTOPE COMPOSITION
SOIL-WATER
PLANT-COMMUNITIES
SPECIES RICHNESS
TROPICAL FOREST
BIODIVERSITY EXPERIMENTS
STOMATAL CONTROL
SOUTHERN CHINA
ROOT ACTIVITY
Pollen-detected altitudinal migration of forests during the Holocene in the mountainous forest-steppe ecotone in northern China
期刊论文
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2016
Hao, Qian
;
Liu, Hongyan
;
Liu, Xu
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Forest-steppe ecotone
Arboreal pollen
Pinus
Quercus
Betula
Altitude range
Altitudinal migration
EAST-ASIAN MONSOON
PINUS-TABULAEFORMIS
INNER-MONGOLIA
SOURCE AREA
DAIHAI LAKE
KA BP
VEGETATION
HISTORY
CLIMATE
PALAEOVEGETATION
Characteristic pollen source area and vertical pollen dispersal and deposition in a mixed coniferous and deciduous broad-leaved woodland in the Changbai mountains, northeast China
期刊论文
VEGETATION HISTORY AND ARCHAEOBOTANY, 2016
Zhang, Shengrui
;
Xu, Qinghai
;
Gaillard, Marie-Jose
;
Cao, Xianyong
;
Li, Jianyong
;
Zhang, Liyan
;
Li, Yuecong
;
Tian, Fang
;
Zhou, Liping
;
Lin, Fengyou
;
Yang, Xiaolan
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Changbai mountains
Mixed coniferous and deciduous broad-leaved woodland
Vertical pollen dispersal and deposition
Characteristic pollen source area
HIGH-RESOLUTION RECORD
ACCUMULATION RATES
LAKE-SEDIMENTS
QUANTITATIVE RECONSTRUCTION
VEGETATION RELATIONSHIPS
SOUTHERN SWEDEN
REVEALS MODEL
TAUBER TRAPS
CLIMATE
FOREST
Geographical variation in the importance of water and energy for oak diversity
期刊论文
JOURNAL OF BIOGEOGRAPHY, 2016
Xu, Xiaoting
;
Wang, Zhiheng
;
Rahbek, Carsten
;
Sanders, Nathan J.
;
Fang, Jingyun
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Cyclobalanopsis
Fagaceae
geographically weighted regression
oaks
physiological tolerance
Quercus
species diversity
water-energy dynamics
PLANT-SPECIES RICHNESS
CLIMATE-CHANGE
FREEZING TOLERANCE
HIGH-TEMPERATURE
SOUTHERN AFRICA
RADIAL GROWTH
NORTH-AMERICA
QUERCUS
PATTERNS
DROUGHT
西辽河上游全新世早中期环境变化及其对人类活动的影响
期刊论文
第四纪研究, 2016
胡雅琴
;
曹现勇
;
赵志军
;
李宜垠
;
孙永刚
;
王辉
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/04
其甘湖
西辽河上游
孢粉
古植被
古环境
气候定量重建
全新世
Qiganhu Lake
the upper Western Liao River region
pollen
palaeovegetation
palaeoenvironment
climatic quantified reconstruction
Holocene
Retrieval of effective leaf area index (LAIe) and leaf area density (LAD) profile at individual tree level using high density multi-return airborne LiDAR
期刊论文
INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION, 2016
Lin, Yi
;
West, Geoff
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Leaf area index (LAI)
Leaf area density (LAD) profile
Effective LAI (LAIe)
Unified cumulative LAI (ucLAI)
Light detection and ranging (LiDAR)
Static terrestrial laser scanning (TLS)
LASER-SCANNING DATA
BIOPHYSICAL PROPERTIES
STATIC TERRESTRIAL
DECIDUOUS FOREST
CANOPY STRUCTURE
CONIFER FORESTS
BOREAL FOREST
GAP FRACTION
PART I
MODEL
Airborne light detection and ranging laser return intensity-based investigation into crown-inside? A case study on Quercus robur trees
期刊论文
JOURNAL OF APPLIED REMOTE SENSING, 2016
Lin, Yi
;
Zhang, Lifu
;
Wang, Cheng
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
light detection and ranging
laser return intensity
crown-inside investigation
Quercus robur
SPECIES CLASSIFICATION
FEATURE PARAMETERS
LIDAR INTENSITY
CANOPY
FOREST
TERRESTRIAL
A comprehensive but efficient framework of proposing and validating feature parameters from airborne LiDAR data for tree species classification
期刊论文
INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION, 2016
Lin, Yi
;
Hyyppa, Juha
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Tree species classification
LiDAR
Framework
Feature parameters
SVM classifier
LASER-SCANNING DATA
STATIC TERRESTRIAL
TEMPERATE FOREST
GROWTH
IMAGES
MANAGEMENT
VOLUME
STAND
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