检索结果-南通市图书馆

Precipitation of High Mg-Calcite and Protodolomite Using Dead Biomass of Aerobic Halophilic Bacteria

Journal of Earth Science 2023年第2期34卷 456-466页

作者： Qigao Fan Deng Liu Dominic Papineau Xuan Qiu Hongmei Wang Zhenbing She linduo zhao State Key Laboratory of Biogeology and Environmental Geology China University of GeosciencesWuhan 430078China School of Environmental Studies China University of GeosciencesWuhan 430078China London Centre for Nanotechnology University College London and Birkbeck College LondonLondon 17-19UK Department of Earth Sciences University College LondonLondon WC1E 6BTUK Center for Planetary Sciences University College LondonLondon WC1E 6BTUK Illinois Sustainable Technology Center Prairie Research InstituteUniversity of Illinois at Urbana-ChampaignChampaign 61820USA

The microbial dolomite model has been used to interpret the origin of sedimentary *** this model,the formation of low-temperature protodolomite,an important precursor to sedimentary dolomite,can be facilitated either by actively metabolizing cells of anaerobic microbes and aerobic halophilic archaea or by their inactive *** halophilic bacteria are widely distributed in(proto-)dolomite-depositing evaporitic environments and their biomass might serve as a template for the crystallization of *** test this hypothesis,carbonation experiments were conducted using dead biomass of an aerobic halophilic bacterium(Exiguobacterium *** JBHLT-3).Our results show that dead biomass of JBHLT-3 can accelerate Mg2+uptake in carbonate mineral *** addition,the amount of Mg incorporated into Ca-Mg carbonates is proportional to the concentration of *** Mg-calcite is produced with 0.25 or 0.5 g/L biomass,whereas protodolomite forms with 1 g/L *** is confirmed by the main Raman peak of Ca-Mg carbonates,which shifts towards higher wavenumbers with increased Mg *** cells and their imprints are preserved on the surface of high Mg-calcite and ***,this study furthers our understanding of the dolomitization within buried and dead microbial mats,which provides useful insights into the origin of ancient dolomite.

关键词： protodolomite high Mg-calcite Mg-hydration effect microbial dead biomass biosignature paleobiology

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

A critical review of mineral-microbe interaction and co-evolution:mechanisms and applications

引用

National Science Review 2022年第10期9卷 209-229页

作者： Hailiang Dong Liuqin Huang linduo zhao Qiang Zeng Xiaolei Liu Yizhi Sheng Liang Shi Geng Wu Hongchen Jiang Fangru Li Li Zhang Dongyi Guo Gaoyuan Li Weiguo Hou Hongyu Chen Center for Geomicrobiology and Biogeochemistry Research State Key Laboratory of Biogeology and Environmental Geology China University of Geosciences State Key Laboratory of Biogeology and Environmental Geology China University of Geosciences Illinois Sustainable Technology Center Illinois State Water Survey University of Illinois at Urbana-Champaign Department of Geology and Environmental Earth Science Miami University

Mineral-microbe interactions play important roles in environmental change,biogeochemical cycling of elements and formation of ore *** provide both beneficial(physical and chemical protection,nutrients,and energy) and detrimental(toxic substances and oxidative pressure) effects to microbes,resulting in mineral-specific microbial *** impact dissolution,transformation and precipitation of minerals through their activity,resulting in either genetically controlled or metabolism-induced *** these interactions,minerals and microbes co-evolve through Earth ***-microbe interactions typically occur at microscopic scale but the effect is often manifested at global *** advances achieved through decades of research,major questions *** areas are identified for future research:integrating mineral and microbial ecology,establishing mineral biosignatures,linking laboratory mechanistic investigation to field observation,and manipulating mineral-microbe interactions for the benefit of humankind.

关键词： biomineralization co-evolution interactions microbe mineral nutrients

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

不同施肥处理对油茶生长及土壤肥力的影响

引用

林业调查规划 2020年第1期45卷 135-140页

作者：赵文东宁曼曼徐永腾覃其云潘波广西壮族自治区国有三门江林场广西柳州545006 广西龙滩自然保护区管理处广西天峨547300 广西天峨县林朵林场广西天峨547300 广西壮族自治区林业科学研究院/广西特色经济林培育与利用重点实验室广西南宁530002

为探究不同施肥处理对油茶生长及土壤肥力的影响,连续3年在广西柳州市对5年生油茶人工林进行施肥试验研究。结果表明,施肥后,处理Ⅱ的树高、地径和冠幅的增长量明显高于其它处理,即有机—无机复混肥料直接施入油茶林地最有利于营养生长... 详细信息

为探究不同施肥处理对油茶生长及土壤肥力的影响,连续3年在广西柳州市对5年生油茶人工林进行施肥试验研究。结果表明,施肥后,处理Ⅱ的树高、地径和冠幅的增长量明显高于其它处理,即有机—无机复混肥料直接施入油茶林地最有利于营养生长,而处理CK(不施肥)各项生长指标的增长量最低。不同施肥处理对油茶林地土壤养分各指标的影响差异较大,经灰色关联度法分析得出土壤综合肥力的高低顺序,其中处理Ⅲ(即无纺布包装有机—无机复混肥)施肥后对油茶林地土壤综合肥力的提高最显著,其次为处理Ⅰ(即有机栽培肥料),不施肥处理CK的土壤综合肥力则显著降低,土壤质量退化严重。

关键词：油茶施肥土壤肥力灰色关联度综合评价

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：