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科研机构
生态环境研究中心 [4]
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学位论文 [2]
期刊论文 [2]
发表日期
2018 [4]
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发表日期:2018
专题:生态环境研究中心
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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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浏览/下载:24/0
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提交时间:2020/07/15
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
北京市交通污染区土壤_植物硫含量季节分布特征
期刊论文
江苏农业科学, 2018, 卷号: 46, 期号: 11, 页码: 255-259
作者:
王韬
;
吴昊
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浏览/下载:13/0
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提交时间:2019/03/14
交通污染区
土壤
植物
硫含量
豫西丘陵坡地弃耕农田植被演替对土壤碳、氮库的影响
期刊论文
生态学报, 2018, 卷号: 38, 期号: 19, 页码: 7016-7025
作者:
王馨
;
赵威
;
李亚鸽
;
亓琳
;
李琳
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浏览/下载:19/0
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提交时间:2019/03/14
弃耕农田
次生演替
生物多样性
生物量
碳、氮储量
基于膜生物反应器的组合工艺在地基受控生态生保系统废水处 理中的研究与应用
学位论文
北京: 中国科学院生态环境研究中心, 2018
作者:
程振敏
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浏览/下载:35/0
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提交时间:2019/06/27
受控生态生保系统,废水处理,膜生物反应器,厌氧膜生物反应器,物 质流,微曝气
Controlled Ecological Life Support System, Wastewater Treatment, Membrane Bioreactor, Anearobic Membrane Bioreactor, Material Flow, Microaeration
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