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科研机构
北京大学 [91]
内容类型
期刊论文 [80]
其他 [9]
会议论文 [2]
发表日期
2017 [8]
2016 [12]
2015 [17]
2014 [8]
2013 [11]
2012 [9]
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专题:北京大学
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基于PSR框架的内蒙古自治区土壤保持服务分区
期刊论文
生态学报, 2017
彭建
;
武文欢
;
刘焱序
;
胡熠娜
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
土壤保持服务
RUSLE模型
RWEQ模型
SOFM神经网络
内蒙古自治区
soil conservation service
RUSLE model
RWEQ model
SOFM neural network
Inner Mongolia Autonomous Region
中国高山植物区系地理格局与环境和空间因素的关系
期刊论文
生物多样性, 2017
沈泽昊
;
杨明正
;
冯建孟
;
李新辉
;
彭培好
;
郑智
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
高山带
种子植物
区系成分
地理分异
组成相似性
Mantel检验
空间距离
地貌
气候
alpine zone
seed plant
floristic elements
geographic differentiation
composition similarity
Mantel test
spatial distance
physiognomy
climate
Determinants of richness patterns differ between rare and common species: implications for Gesneriaceae conservation in China
期刊论文
DIVERSITY AND DISTRIBUTIONS, 2017
Liu, Yunpeng
;
Shen, Zehao
;
Wang, Qinggang
;
Su, Xiangyan
;
Zhang, Wanjun
;
Shrestha, Nawal
;
Xu, Xiaoting
;
Wang, Zhiheng
收藏
  |  
浏览/下载:40/0
  |  
提交时间:2017/12/03
biodiversity hotspots
biogeography
climate change
diversity pattern
endemism
Last Glacial Maximum
range size
winter coldness
2 SPATIAL PROCESSES
CLIMATE-CHANGE
GEOGRAPHICAL-DISTRIBUTION
DIVERSITY GRADIENT
PLANT DIVERSITY
GLOBAL PATTERNS
DISTRIBUTIONS
TEMPERATURE
SPECIATION
VELOCITY
塔里木盆地阿克苏地区下寒武统玉尔吐斯组两套黑色岩系的差异及成因
期刊论文
岩石学报, 2017
杨宗玉
;
罗平
;
刘波
;
刘策
;
马洁
;
陈斐然
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
玉尔吐斯组
黑色页岩
沉积学特征
地球化学特征
控制因素
Yurtus Formation
Black shale
Sedimentology characteristics
Geochemical features
Controlling factors
RARE-EARTH-ELEMENTS
YANGTZE GORGES AREA
SOUTH CHINA
DEPOSITIONAL ENVIRONMENT
SHALLOW SEAWATER
OCEANIC ANOXIA
ORGANIC-CARBON
TRACE-ELEMENTS
GEOCHEMISTRY
SHALES
Building-Based Damage Detection From Postquake Image Using Multiple-Feature Analysis
期刊论文
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS, 2017
Ye, Xin
;
Liu, Mingchao
;
Wang, Jun
;
Qin, Qiming
;
Ren, Huazhong
;
Wang, Jianhua
;
Hui, Jian
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Damaged building
earthquake
edge significance (ES)
local gradient orientation entropy (LOE)
remote sensing image
OPTICAL SATELLITE IMAGES
COLLAPSED BUILDINGS
AERIAL PHOTOGRAPHS
EARTHQUAKE
Bacterioplankton community responses to key environmental variables in plateau freshwater lake ecosystems: A structural equation modeling and change point analysis
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Cao, Xiaofeng
;
Wang, Jie
;
Liao, Jingqiu
;
Gao, Zhe
;
Jiang, Dalin
;
Sun, Jinhua
;
Zhao, Lei
;
Huang, Yi
;
Luan, Shengji
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Bacterioplankton
Structural equation model
Change point
Segmented
Cyanobacteria
Plateau lakes
FISH POND SYSTEMS
CLIMATE-CHANGE
MOUNTAIN LAKES
TIPPING POINTS
SHALLOW LAKES
LAND-USE
HARMFUL CYANOBACTERIA
SPATIAL VARIABILITY
TIBETAN PLATEAU
EUTROPHIC LAKE
Spatio-temporal shifts in the archaeal community of a constructed wetland treating river water
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Li, Bingxin
;
Chen, Huili
;
Li, Ningning
;
Wu, Zhen
;
Wen, Zongguo
;
Xie, Shuguang
;
Liu, Yong
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Constructed wetland
Microbial community
Sediment
Soil
Vegetation type
WASTE-WATER
PHRAGMITES-AUSTRALIS
TIBETAN PLATEAU
BACTERIAL
DIVERSITY
SOIL
PERFORMANCE
SEDIMENT
GRADIENT
NITROGEN
Image pre-processing method for near-wall PIV measurements over moving curved interfaces
期刊论文
MEASUREMENT SCIENCE AND TECHNOLOGY, 2017
Jia, L. C.
;
Zhu, Y. D.
;
Jia, Y. X.
;
Yuan, H. J.
;
Lee, C. B.
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
moving curved interfaces
near-wall PIV measurements
image transformation
adaptive stretching
synthetic particles
INTERROGATION
VELOCIMETRY
TURBOMACHINERY
IMPROVEMENT
TRANSITION
FLOWS
Estimation of gross primary production in China (1982-2010) with multiple ecosystem models
期刊论文
ECOLOGICAL MODELLING, 2016
Li, Xiran
;
Zhu, Zaichun
;
Zeng, Hui
;
Piao, Shilong
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Gross primary production
Dynamic global vegetation model
Carbon dioxide fertilization
Climate change
NET PRIMARY PRODUCTIVITY
TERRESTRIAL CARBON-CYCLE
NITROGEN LIMITATION
INTERANNUAL VARIABILITY
EARTH SYSTEM
CO2
CLIMATE
DRIVEN
SIMULATION
ENHANCEMENT
Plant Diversity along the Eastern and Western Slopes of Baima Snow Mountain, China
期刊论文
FORESTS, 2016
Yang, Yang
;
Shen, Zehao
;
Han, Jie
;
Ciren Zhongyong
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
elevational gradient
mountain aspect
plant species diversity
comparative study
Baima Snow Mountain
Three Parallel River region
northwest Yunnan
SPECIES RICHNESS
ELEVATIONAL GRADIENT
BIODIVERSITY CONSERVATION
BETA-DIVERSITY
PATTERNS
CLIMATE
REGION
CONSTRAINTS
COMMUNITY
CONFLICT
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