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科研机构
北京大学 [70]
内容类型
期刊论文 [58]
其他 [12]
发表日期
2017 [6]
2016 [6]
2015 [6]
2014 [5]
2013 [8]
2012 [5]
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专题:北京大学
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Sensitivity of land use change emission estimates to historical land use and land cover mapping
期刊论文
GLOBAL BIOGEOCHEMICAL CYCLES, 2017
Peng, Shushi
;
Ciais, Philippe
;
Maignan, Fabienne
;
Li, Wei
;
Chang, Jinfeng
;
Wang, Tao
;
Yue, Chao
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
ENVIRONMENT SIMULATOR JULES
GLOBAL VEGETATION MODEL
CARBON FLUXES
TERRESTRIAL ECOSYSTEMS
SECONDARY LANDS
USE TRANSITIONS
CO2 EMISSIONS
WOOD-HARVEST
NET
UNCERTAINTY
Mapping spatial non-stationarity of human-natural factors associated with agricultural landscape multifunctionality in Beijing-Tianjin-Hebei region, China
期刊论文
AGRICULTURE ECOSYSTEMS & ENVIRONMENT, 2017
Peng, Jian
;
Liu, Yanxu
;
Liu, Zhicong
;
Yang, Yang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Agricultural landscape multifunctionality
Landscape services
Driving forces
Geographically weighted regression
MULTIPLE ECOSYSTEM SERVICES
GEOGRAPHICALLY WEIGHTED REGRESSION
FUTURE-DIRECTIONS
HABITAT PATCHES
LOESS PLATEAU
LAND-USE
CONSERVATION
IMPACTS
SCALE
SUSTAINABILITY
基于BP神经网络的宁夏耕地资源动态变化及预测
期刊论文
湖南农业科学, 2017
李永梅
;
张立根
;
海云瑞
;
董越
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
耕地资源
BP神经网络
主成分分析
宁夏
cultivated land resource
BP neural network
principal component analysis
Ningxia
y Nitrous oxide emissions from different land uses affected by managements on the Qinghai-Tibetan Plateau
期刊论文
AGRICULTURAL AND FOREST METEOROLOGY, 2017
Zhang, Zhenhua
;
Zhu, Xiaoxue
;
Wang, Shiping
;
Duan, Jichuang
;
Chang, Xiaofeng
;
Luo, Caiyun
;
He, Jin-Sheng
;
Wilkes, Andreas
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Land use change
Nitrogen fertilization
Conventional tillage
Nitrous oxide emissions
GREENHOUSE-GAS EMISSIONS
ALPINE MEADOW
N2O EMISSIONS
TILLAGE SYSTEMS
CARBON-DIOXIDE
NO-TILL
SOIL
GRASSLAND
ECOSYSTEM
CLIMATE
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
Sources and Dynamics of Dissolved Inorganic Carbon, Nitrogen, and Phosphorus in a Large Agricultural River Basin in Arid Northwestern China
期刊论文
WATER, 2017
Hu, Yue
;
Lu, Yuehan
;
Liu, Chuankun
;
Shang, Peng
;
Liu, Jie
;
Zheng, Chunmiao
收藏
  |  
浏览/下载:32/0
  |  
提交时间:2017/12/03
dissolved inorganic carbon
C-13-DIC
N and P nutrients
the Heihe River Basin
agriculture
storm export of nutrients
groundwater-river water interaction
HEIHE RIVER
GROUNDWATER RECHARGE
STABLE-ISOTOPES
ORGANIC-MATTER
LAND-USE
WATER
SOIL
QUANTIFICATION
ENVIRONMENT
CHEMISTRY
Early millet use in West Liaohe area during early-middle Holocene
期刊论文
SCIENCE CHINA-EARTH SCIENCES, 2016
Ma ZhiKun
;
Yang XiaoYan
;
Zhang Chi
;
Sun YongGang
;
Jia Xin
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/04
Plant domestication
West Liaohe region
Agricultural origin
Neolithic Age
Starch grain analysis
STARCH GRAINS
NORTH CHINA
EAST-ASIA
PLANT
DOMESTICATION
SITE
Research into ecological suitability zoning and expansion patterns in agricultural oases based on the landscape process: a case study in the middle reaches of the Heihe River
期刊论文
ENVIRONMENTAL EARTH SCIENCES, 2016
Xiang, Yunyun
;
Meng, Jijun
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Land ecological suitability
Landscape process model
Oasis expansion pattern
Strategic recognition
The agricultural oasis in the middle reaches of the Heihe River
LAND SUITABILITY
An inexact risk management model for agricultural land-use planning under water shortage
期刊论文
FRONTIERS OF EARTH SCIENCE, 2016
Li, Wei
;
Feng, Changchun
;
Dai, Chao
;
Li, Yongping
;
Li, Chunhui
;
Liu, Ming
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/04
agricultural land-use planning
risk management
CVaR
uncertainty
water shortage
STOCHASTIC-PROGRAMMING-MODEL
VALUE-AT-RISK
RESOURCES MANAGEMENT
QUALITY MANAGEMENT
CONDITIONAL VALUE
WASTE-MANAGEMENT
UNCERTAINTY
OPTIMIZATION
IRRIGATION
SIMULATION
Cyanobacteria in lakes on Yungui Plateau, China are assembled via niche processes driven by water physicochemical property, lake morphology and watershed land-use
期刊论文
SCIENTIFIC REPORTS, 2016
Liao, Jingqiu
;
Zhao, Lei
;
Cao, Xiaofeng
;
Sun, Jinhua
;
Gao, Zhe
;
Wang, Jie
;
Jiang, Dalin
;
Fan, Hao
;
Huang, Yi
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
HARMFUL ALGAL BLOOMS
COMMUNITY COMPOSITION
MICROBIAL COMMUNITY
ABUNDANCE DISTRIBUTIONS
ENVIRONMENTAL-FACTORS
GENETIC DIVERSITY
SEQUENCE DATA
FRESH-WATER
NEW-ZEALAND
PATTERNS
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