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Plant organic N uptake maintains species dominance under long-term warming 期刊论文
PLANT AND SOIL, 2018, 卷号: 433, 期号: 1-2, 页码: 243-255
作者: Jiang, Lili; Wang, Shiping; Zhe, Pang; Xu, Xingliang; Kardol, Paul

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Plant N uptake Alpine grassland The Tibet plateau Plant species coexistence

Alterations of early-stage decomposition of leaves and absorptive roots by deposition of nitrogen and phosphorus have contrasting mechanisms 期刊论文
SOIL BIOLOGY & BIOCHEMISTRY, 2018, 卷号: 127, 页码: 213-222
作者: Jiang, Lei; Kou, Liang; Li, Shenggong

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Litter decomposition Nutrient deposition AUR Phosphorus limitation Nitrogen addition Microbial enzymatic activity

Plant organic N uptake maintains species dominance under long-term warming 期刊论文
PLANT AND SOIL, 2018, 卷号: 433, 期号: 0, 页码: 243-255
作者: Lan, ZC (Lan, Zhichun); Jiang, LL (Jiang, Lili); Wang, SP (Wang, Shiping); Zhe, P (Zhe, Pang); Xu, XL (Xu, Xingliang)

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Alpine Meadow Ecosystem Relative Uptake Rates Recent Climate-change Tibetan Plateau Ecological Responses Nitrogen Limitation Soil-nitrogen Amino-acids Grassland Ammonium

基于高分辨质谱的土壤溶解性有机质化学多样性研究 学位论文
北京: 中国科学院生态环境研究中心, 2018
作者: 李晓明

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土壤溶解性有机质，化学多样性，微生物多样性，傅立叶变换离子回旋共振质谱 decreased WIth IncreasIng Iron ComplexIng Index. PAtterns In Molecular PrOfiles IndicAted Dom In Paddy Soils To Become More RecalcItrAnt At Higher Soil C/n rAtio And Higher Soil Ph. furTherMore, PlAnt-derived polyPh.nols And Pyrogenic Dom Were retaIned Favorably By Iron And The ChemodiversIty Of Dom In Paddy Soil Increased WIth IncreasIng Soil C/n rAtios. These Results Provide Novel InFormAtion regardIng Dom Characteristics At a Molecular Level And Will InForm Better Global MAnagement Of Soil Carbon In Paddy Soil EcosysteMs Global. 2) Through The applicAtion Of Ft-icr-Ms, The ChemodiversIty Of Dom In Soil Subjected To Long-term OrgAnic Carbon And InOrgAnic Fertilizer Amendments Was Established. In Parallel, Bcc Was Assessed. Through This Coupled Approach It Was Established.thAt sustaIned OrgAnic Carbon Amendment Resulted In: SignificAntly (p < 0.05) Increased Total Carbon And Total nItrogen Reservoirs In Soil, Dom PrOfiles Of greAter ChemodiversIty, And Emergence Of RecalcItrAnt Dom Moieties (H/c < 1.5). In Contrast, Carbon And nItrogen Reservoirs In Soil Subjected To sustaIned InOrgAnic Fertilizer applicAtion Were Unaltered, While Soil OrgAnic Carbon ChemodiversIty Was Observed To Shift To Less RecalcItrAnt Dom Moieties (H/c rAtio > 1.5 And O/c rAtios < 0.5). furTherMore, sustaIned OrgAnic Carbon Amendment Shaped Bcc To a eutroPh.c stAte While Long-term Chemical fertilizAtion Directed The Bcc Towards An oligotroPh.c stAte. Higher connectivIty And Network complexIty Were Observed In OrgAnic Carbon Amended Soils. Dom-Bcc Network Analysis, IndicAtIng thAt Soil Microbes Had More Interaction WIth Dom Molecules followIng sustaIned OrgAnic mAtter Input. These Results Highlight The Potential For OrgAnic Carbon Amendments To Not Only Build Soil Carbon sTocks And Increase Their Resilience, But To Also Improve The Functional stAte Of Soil Microbial communIties. Key Words: Dom, ChemodiversIty, Microbial diversIty, Ft-icr Ms

Cropland abandonment enhances soil inorganic nitrogen retention and carbon stock in China: A meta-analysis 期刊论文
LAND DEGRADATION & DEVELOPMENT, 2018, 卷号: 29, 期号: 11, 页码: 3898-3906
作者: Tian, Dashuan; Xiang, Yangzhou; Wang, Bingxue; Li, Meiling; Liu, Yanshu

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carbon sequestration ecosystem recovery land use change soil nitrogen availability the 'Grain for Green' Programme

Age alters uptake pattern of organic and inorganic nitrogen by rubber trees 期刊论文
TREE PHYSIOLOGY, 2018, 卷号: 38, 期号: 11, 页码: 1685-1693
作者: Liu, Min; Xu, Fanzhen; Xu, Xingliang; Wanek, Wolfgang; Yang, Xiaodong

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arbuscular mycorrhizae inorganic N organic N rubber tree age

Assessment and quantification of NOx sources at a regional background site in North China: Comparative results from a Bayesian isotopic mixing model and a positive matrix factorization model 期刊论文
ENVIRONMENTAL POLLUTION, 2018, 卷号: 242, 页码: 1379-1386
作者: Zong, Zheng; Tan, Yang; Wang, Xiaoping; Tian, Chongguo; Fang, Yunting

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NOx sources Nitrogen/oxygen isotope Bayesian isotopic mixing model PMF model

Modification of the composition of dissolved nitrogen forms, nitrogen transformation processes, and diversity of bacterial communities by freeze-thaw events in temperate soils 期刊论文
PEDOBIOLOGIA, 2018, 卷号: 71, 页码: 41-49
作者: Jiang, Nan; Juan, Yinghua; Tian, Lulu; Chen, Xiaodong; Sun, Wentao

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Dissolved nitrogen Nitrogen transformation processes Bacterial community Freeze-thaw amplitudes Correlations Procrustean residuals

Combined effects of cropping types and simulated extreme precipitation on the community composition and diversity of soil macrofauna in the eastern Qinghai-Tibet Plateau 期刊论文
JOURNAL OF SOILS AND SEDIMENTS, 2018, 卷号: 18, 期号: 11, 页码: 3215-3227
作者: Wang, Sizhong; Pan, Kaiwen; Tariq, Akash; Zhang, Lin; Sun, Xiaoming

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Chinese prickly ash Extreme precipitation Legume plants Soil fauna Vertical distribution

Assessment and quantification of NOx sources at a regional background site in North China: Comparative results from a Bayesian isotopic mixing model and a positive matrix factorization model 期刊论文
ENVIRONMENTAL POLLUTION, 2018, 卷号: 242, 期号: B, 页码: 1379-1386
作者: Zong, Zheng; Tan, Yang; Wang, Xiaoping; Tian, Chongguo; Fang, Yunting

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NOx sources Nitrogen/oxygen isotope Bayesian isotopic mixing model PMF model

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