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Isotopic comparison of ammonium between two summertime field campaigns in 2013 and 2021 at a background site of North China
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2023, 卷号: 905, 页码: 7
作者:
Zong, Zheng
;
Ren, Chuanhua
;
Shi, Xiaolan
;
Sun, Zeyu
;
Huang, Xin
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2024/05/07
Ammonia
Non-agricultural sources
delta N-15
Ammonium
North China
Enhanced foliar 15N enrichment with increasing nitrogen addition rates: Role of plant species and nitrogen compounds
期刊论文
GLOBAL CHANGE BIOLOGY, 2023, 卷号: 29, 期号: 6, 页码: 1591-1605
作者:
Wang, Yinliu
;
Niu, Guoxiang
;
Wang, Ruzhen
;
Rousk, Kathrin
;
Li, Ang
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  |  
浏览/下载:5/0
  |  
提交时间:2024/03/07
arbuscular mycorrhiza
foliar N concentration
inorganic N
N compounds
N deposition
N fixation
delta N-15
A method of the determination nitrate nitrogen (NO3--N) in high-salinity water samples
期刊论文
CHEMICAL PAPERS, 2022, 卷号: 76, 期号: 3, 页码: 1739-1744
作者:
Hu, Jing
;
Zhuang, Zhi
;
Pan, Mengyan
;
Han, Tianhao
;
Li, Yuliang
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  |  
浏览/下载:3/0
  |  
提交时间:2023/12/29
Ultraviolet-visible spectrophotometer
NO3--N
Nitrogen isotope delta N-15-NO3-
HUMAN DIETARY COMPLEXITY IN TIANSHAN REGION AND THE INFLUENCE OF CLIMATE ON HUMAN PALEODIET
期刊论文
RADIOCARBON, 2020, 卷号: 62, 期号: 5, 页码: 1489-1502
作者:
Zhao, Haiyan
;
Zhou, Weijian
;
Du, Hua
;
Cheng, Peng
;
Jia, Peter Weiming
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  |  
浏览/下载:65/0
  |  
提交时间:2021/05/08
climate
human diet
Tianshan region
delta C-13
delta N-15
Tracking the fate of deposited nitrogen and its redistribution in a subtropical watershed in China
期刊论文
ECOHYDROLOGY, 2019, 卷号: 12, 期号: 5, 页码: 16
作者:
Gao, Yang
;
Hao, Zhuo
;
Han, Ning
;
Yang, Jun
;
Tian, Jing
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  |  
浏览/下载:53/0
  |  
提交时间:2019/09/24
N-15
O-18
delta D-2
baseflow
N deposition
subtropical watershed
An integrated chemostratigraphic (delta C-13-delta O-18_(87)sr/(86)sr_delta N-15) study of the Doushantuo Formation in western Hubei Province, South China
期刊论文
PRECAMBRIAN RESEARCH, 2019, 卷号: 320, 页码: 232-252
作者:
Lan, Zhongwu
;
Sano, Yuji
;
Yahagi, Takuya
;
Tanaka, Kentaro
;
Shirai, Kotaro
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  |  
浏览/下载:66/0
  |  
提交时间:2019/03/21
Ediacaran chemostratigraphy
delta C-13-delta O-18-Sr-87/Sr-86-delta N-15
Doushantuo Formation
South China
Ediacaran glaciation
Open marine environment
碳氮稳定同位素比值在潮间带大型底栖动物组织间差异性研究
期刊论文
海洋学报, 2019, 卷号: 41, 期号: 4, 页码: 74-82
作者:
李宝泉
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  |  
浏览/下载:40/0
  |  
提交时间:2020/06/17
潮间带
大型底栖动物
碳氮稳定同位素
食源和营养级分析
采样部位选取
intertidal zone
macrobenthos
carbon and nitrogen stable isotopes
food sources and trophic levels study,sampling parts
The technique of stable isotope analysis has been widely applied for the field of food web studies in recent years.However,few researches concerned about the impacts of different tissues used for analysis on the food web building.With the purpose of accuracy and comparability in the food web studies,the sampling tissues should be standardized.In this study,10macrobenthic species from the intertidal zone of the Yellow River Delta and Yantai were chosen as the target object to test the isotopic characteristic variations ofdelta~(13)C anddelta15 N at different body parts (whole bodies,muscles and gills).Our results show thatdelta~(13)C anddelta15 N values vary in different sampling tissues for most species,which indicates the different tissues used for analysis impact the food web building.To achieve a more accuracy and comparability result,suitable tissue should be primarily chosen for their food sources and trophic levels analysis.Namely,when the organism as predator,their muscles should first be chosen,for examples,adductor and foot muscles of mollusks,leg muscles of crabs and back muscles of fishes
when the organism as prey, most of their tissues,except for indigestible part(for polychaetes,the digestive tract contents should be removed) should be chosen for analysis on food sources and trophic levels of the secondary consumer,for example,whole soft parts of mollusks,the mixture of muscles and gills of crabs.
A comparison of various approaches used in source apportionments for precipitation nitrogen in a mountain region of southwest China
期刊论文
ENVIRONMENTAL POLLUTION, 2018, 卷号: 241, 页码: 810-820
作者:
Cui, Jian
;
Zhou, Fengwu
;
Gao, Min
;
Zhang, Liuyi
;
Zhang, Leiming
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  |  
浏览/下载:61/0
  |  
提交时间:2018/09/25
Source Apportionment
Method Inter-comparison
Precipitation Nitrogen
Delta N-15 Signature
High nitrogen isotope fractionation of nitrate during denitrification in four forest soils and its implications for denitrification rate estimates
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2018, 页码: 1078-1088
作者:
Zhu, Jiaojun
;
Wang, Ang
;
Fang, Yunting
;
Chen, Dexiang
;
Phillips, Oliver
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  |  
浏览/下载:32/0
  |  
提交时间:2018/09/10
Denitrification
N-isotope fractionation
O-isotope fractionation
Delta delta O-18:Delta delta N-15
Forest soils
Gaseous N losses
Does the accelerated soil N cycling sustain N demand of Quercus mongolica after decade-long elevated CO2 treatment?
期刊论文
BIOGEOCHEMISTRY, 2018, 卷号: 139, 期号: 2, 页码: 197-213
作者:
Sun, Jianfei
;
Dai, Weiwei
;
Peng, Bo
;
Liu, Jun
;
He, Tongxin
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  |  
浏览/下载:32/0
  |  
提交时间:2018/09/10
Climate Change
c And n Stocks
c And n Cycling
Gross n Transformation
Delta C-13 And Delta N-15
Progressive n Limitation
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