生物地球化学循环

作品数:307被引量:2697H指数:26
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Roles of chloride ion in photo-reduction/oxidation of mercury被引量:1
《Chinese Science Bulletin》2014年第27期3390-3397,共8页Rongguo Sun Dingyong Wang Wen Mao Shibo Zhao Cheng Zhang 
supported by the National Basic Research Program of China (2013CB430004);the National Natural Science Foundation of China (41173116, 41373113)
Photo-reduction of divalent mercury(Hg(II)) in aquatic systems plays a key role in global biogeochemistry cycling of mercury(Hg) in the Earth's surface environment. The mechanisms of this process with various Clconcen...
关键词:汞离子 光还原 氯离子 氧化作用 生物地球化学循环 速率常数 波长范围 光致还原 
Studies of biouptake and transformation of mercury by a typical unicellular diatom Phaeodactylum tricornutum被引量:7
《Chinese Science Bulletin》2013年第2期256-265,共10页DENG GuiFu ZHANG TianWen YANG LiMin WANG QiuQuan 
supported by the National Basic Research Program of China (2009CB421605);the National Natural Science Foundation of China (21035006)
Mercury(Hg) is a toxic heavy metal with its biogeochemical cycling in the ocean depending on the type and behavior of the oceanic microalgae.The present work aimed to evaluate bioaccumulation and transformation of Hg ...
关键词:三角褐指藻 氯化汞 单细胞 改造 硅藻 生物地球化学循环 HgCl2 吸收过程 
Mercury release flux and its influencing factors at the air-water interface in paddy field in Chongqing,China被引量:1
《Chinese Science Bulletin》2013年第2期266-274,共9页ZHU JinShan WANG DingYong MA Ming 
supported by the National Natural Science Foundation of China (40673063 and40973079);the "211" Ecology National Key Discipline of Southwest University;Postgraduates’ Science & Technological Innovation Fund of Southwest University (kb2010019)
The exchange of mercury(Hg) across the air-water interface is an important part of Hg biogeochemical cycle.Mercury fluxes across the air-water interface in paddy fields were measured by a Dynamic Flux Chamber(DFC) cou...
关键词:空气 水界面 释放通量 测汞仪 重庆市 水田 影响因素 中国 生物地球化学循环 
Calculation methodology of marine environmental capacity for heavy metal:A case study in Jiaozhou Bay,China被引量:9
《Chinese Science Bulletin》2013年第2期282-287,共6页LI KeQiang WANG XiuLin 
supported by the Science Fund Projects of Shandong Province(ZR2010DM005);the National high Technology Research and Development Program(2010BAC69B01);Science and Technology Development Plan of Qingdao(11-2-3-66-nsh and 11-2-1-18-hy)
Results from past pollution control practices show that environmental quality can be ensured by controlling the actual amount of pollutants formed in the environment.Therefore,the marine environmental capacity for hea...
关键词:环境容量 海洋环境 重金属 胶州湾 计算 生物地球化学循环 沿海生态系统 案例 
Mercury contamination in aquatic ecosystems under a changing environment:Implications for the Three Gorges Reservoir被引量:8
《Chinese Science Bulletin》2013年第2期141-149,共9页WANG Feiyue ZHANG JinZhong 
supported by the Natural Science and Engineering Council(NSERC) of Canada (F.W.);the National High Technology Research and Development Program of China (2012AA101405)
Mercury is one of the primary contaminants of global concern.As anthropogenic emissions of mercury are gradually placed under control,evidence is emerging that biotic mercury levels in many aquatic ecosystems are incr...
关键词:水生生态系统 三峡库区 汞污染 生物地球化学过程 环境影响 汞排放控制 生物地球化学循环 海洋生态系统 
Estimation of carbon sinks in chemical weathering in a humid subtropical mountainous basin被引量:16
《Chinese Science Bulletin》2011年第35期3774-3782,共9页TAO Zhen GAO QuanZhou WANG ZhenGang ZHANG ShengHua XIE ChenJi LIN PeiSong RUAN XiaoBing LI ShuHong MAO HaiRuo 
supported by the National Natural Science Foundation of China (40871143, 41071054 and 40671027);an Open Fund of the China Institute of Water Resources and Hydropower Research;the Guangdong Natural Science Foundation (7003669)
The fluvial geochemistry of the mainstream and tributaries of the Zengjiang River was investigated,and the mass balance approach and deduction methods were used to estimate the uptake of atmospheric CO2 through rock c...
关键词:亚热带山地 化学风化 二氧化碳 生物地球化学循环 估算 盆地 潮湿 地球化学调查 
Interactions between marine microorganisms and their phages被引量:6
《Chinese Science Bulletin》2011年第17期1770-1777,共8页ZHANG YongYu HUANG ChunXiao YANG Jun JIAO NianZhi 
supported by the National Natural Science Foundation of China (41006087,91028001 and 41076063);the MEL Young Scientist Visiting Fellowship (MELRS0931);the Key Science and Technology Project of Fujian Province,China (2009Y0044)
Viruses are the most abundant biological entities in marine ecosystems.Most of them are phages that infect bacteria and archaea.Phages play important roles in causing the mortality of prokaryotic cells,structuring mic...
关键词:海洋微生物 相互作用 噬菌体 生物地球化学循环 微生物群落结构 海洋生态系统 原核细胞 基因转移 
Vast laminated diatom mat deposits from the west low-latitude Pacific Ocean in the last glacial period被引量:11
《Chinese Science Bulletin》2009年第23期4529-4533,共5页ZHAI Bin LI TieGang CHANG FengMing CAO QiYuan 
Supported by the National Basic Research Program (Grant No. 2007CB815903);National Natural Science Foundation of China (Grant No. 40776031);Pilot Project of the National Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No. KZCX2-YW-221)
Diatoms are one of the predominant contributors to global carbon fixation by accounting for over 40% of total oceanic primary production and dominate export production. They play a significant role in marine biogeoche...
关键词:末次冰期 硅藻 藻垫 存款 太平洋 低纬度 生物地球化学循环 层压 
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