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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
收藏  |  浏览/下载:24/0  |  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  
森林和草甸土壤微生物群落多样性和种—面积关系机制 学位论文
北京: 中国科学院生态环境研究中心, 2018
作者:  刘洋荧
收藏  |  浏览/下载:83/0  |  提交时间:2019/07/15
黄土高原不同植被恢复方式的土壤水分变化特征研究 学位论文
北京: 中国科学院生态环境研究中心, 2018
作者:  安文明
收藏  |  浏览/下载:38/0  |  提交时间:2019/07/03
基于臭氧活性炭处理的饮用水铸铁管网水质稳定性控制原理 学位论文
北京: 中国科学院生态环境研究中心, 2018
作者:  邢学辞
收藏  |  浏览/下载:14/0  |  提交时间:2019/07/29
基于蓬莱19-3 溢油事故和莱州现场模拟实验探究溢油对大型底栖动物群落结构的影响 学位论文
中国科学院烟台海岸带研究所: 中国科学院大学, 2018
作者:  周政权
收藏  |  浏览/下载:15/0  |  提交时间:2020/07/29
长江口邻近海域浮游植物群落特征及其碳沉降研究 学位论文
中国科学院海洋研究所: 中国科学院大学, 2018
作者:  李照
收藏  |  浏览/下载:21/0  |  提交时间:2018/06/01
海水生物滤器工艺设计及其微生物菌群研究 学位论文
中国科学院海洋研究所: 中国科学院大学, 2018
作者:  赵越
收藏  |  浏览/下载:27/0  |  提交时间:2018/06/05
西双版纳地区桑寄生-寄主网络结构变化及影响因素 学位论文
北京: 中国科学院研究生院, 2018
作者:  李远杰
收藏  |  浏览/下载:62/0  |  提交时间:2018/07/30
高寒草地健康定量评价及生产——生态功能提升技术集成与示范 期刊论文
青海科技, 2018
董全民; 周华坤; 施建军; 董世魁; 尚占环; 汪新川; 尚永成; 赵之重; 李世雄; 王彦龙
收藏  |  浏览/下载:16/0  |  提交时间:2019/06/14
高寒草地健康定量评价及生产——生态功能提升技术集成与示范 期刊论文
青海科技, 2018
董全民; 周华坤; 施建军; 董世魁; 尚占环; 汪新川; 尚永成; 赵之重; 李世雄; 王彦龙
收藏  |  浏览/下载:15/0  |  提交时间:2019/07/05


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