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科研机构
北京大学 [744]
内容类型
期刊论文 [611]
其他 [127]
会议论文 [6]
发表日期
2017 [58]
2016 [85]
2015 [80]
2014 [60]
2013 [70]
2012 [47]
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专题:北京大学
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城市形态的分维估算与分形判定
期刊论文
地理科学进展, 2017
陈彦光
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
城市形态
分形
分维
自仿射
盒子计数法
多分形
标度区
urban form
fractals
fractal dimension
self-affinity
box-counting method
multifractals
scaling range
Longitudinal changes in species composition of forests and grasslands across the North Asian forest steppe zone
期刊论文
FOLIA GEOBOTANICA, 2017
Lashchinskiy, Nikolay
;
Korolyuk, Andrey
;
Makunina, Natalia
;
Anenkhonov, Oleg
;
Liu, Hongyan
收藏
  |  
浏览/下载:25/0
  |  
提交时间:2017/12/03
forest-steppe
landscape
floristic heterogeneity
quantitative floristic methods
SOUTHERN SIBERIA
SEMIDRY GRASSLANDS
ECOLOGICAL FACTORS
CENTRAL-EUROPE
RICHNESS
VEGETATION
DIVERSITY
GRADIENT
COEXISTENCE
PATTERNS
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
The consumption-based black carbon emissions of China's megacities
期刊论文
JOURNAL OF CLEANER PRODUCTION, 2017
Meng, Jing
;
Mi, Zhifu
;
Yang, Haozhe
;
Shan, Yuli
;
Guan, Dabo
;
Liu, Junfeng
收藏
  |  
浏览/下载:110/0
  |  
提交时间:2017/12/03
Black carbon
Megacities
Input-output analysis
Decomposition analysis
INPUT-OUTPUT-ANALYSIS
ENERGY-CONSUMPTION
BEIJING ECONOMY
CO2 EMISSIONS
INTERNATIONAL-TRADE
MERCURY EMISSIONS
CLIMATE-CHANGE
AIR-POLLUTION
INVENTORY
IMPACTS
Decline in Chinese lake phosphorus concentration accompanied by shift in sources since 2006
期刊论文
NATURE GEOSCIENCE, 2017
Tong, Yindong
;
Zhang, Wei
;
Wang, Xuejun
;
Couture, Raoul-Marie
;
Larssen, Thorjorn
;
Zhao, Yue
;
Li, Jing
;
Liang, Huijiao
;
Liu, Xueyan
;
Bu, Xiaoge
;
He, Wei
;
Zhang, Qianggong
;
Lin, Yan
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
CYCLE IMPACT ASSESSMENT
FRESH-WATER
EUTROPHICATION
PHYTOPLANKTON
ECOSYSTEMS
EMISSIONS
POLLUTION
PARADIGM
NITROGEN
PLATEAU
Effects of nitrogen deposition on soil microbial communities in temperate and subtropical forests in China
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Tian, Di
;
Jiang, Lai
;
Ma, Suhui
;
Fang, Wenjing
;
Schmid, Bernhard
;
Xu, Longchao
;
Zhu, Jianxiao
;
Li, Peng
;
Losapio, Gianalberto
;
Jing, Xin
;
Zheng, Chengyang
;
Shen, Haihua
;
Xu, Xiaoniu
;
Zhu, Biao
;
Fang, Jingyun
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Forest ecosystem
Microbial biomass
Microbial community
N deposition
PLFA
NORTHERN HARDWOOD FORESTS
ARBUSCULAR MYCORRHIZAL FUNGI
BOREAL FOREST
PLANT DIVERSITY
HARVARD FOREST
BACTERIAL
ADDITIONS
BIOMASS
FERTILIZATION
CARBON
Sorption mechanisms of sulfamethazine to soil humin and its subfractions after sequential treatments
期刊论文
ENVIRONMENTAL POLLUTION, 2017
Guo, Xiaoying
;
Shen, Xiaofang
;
Zhang, Meng
;
Zhang, Haiyun
;
Chen, Weixiao
;
Wang, Hui
;
Koelmans, A. A.
;
Cornelissen, Gerard
;
Tao, Shu
;
Wang, Xilong
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Antibiotics
Sorption
Humin
Pharmaceuticals
Sulfamethazine
NATURAL ORGANIC-MATTER
POLYCYCLIC AROMATIC-HYDROCARBONS
DISTRIBUTED REACTIVITY MODEL
ENVIRONMENTAL BLACK CARBON
PHENANTHRENE SORPTION
VETERINARY ANTIBIOTICS
ACID-HYDROLYSIS
SEDIMENTS
ADSORPTION
FRACTIONS
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
美国南卡罗来纳州森林湿地十种典型植物凋落叶的分解特征
期刊论文
生态学报, 2017
李巧玲
;
曾辉
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
森林湿地
凋落叶
分解速率常数
初始碳组分
C、N元素
forested wetland
leaf litter
decomposition rate constant
initial carbon fractions
C and N
基于面积-高程积分法的岷山雪宝顶-九寨沟地貌形态分析
期刊论文
第四纪研究, 2017
刘蓓蓓
;
崔之久
;
刘耕年
;
张威
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
雪宝顶-九寨沟
面积-高程积分
构造
the Xuebaoding-Jiuzhaigou area
Hypsometric Integral
tectonic
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