Dynamics of dissolved organic matter in the forest soil-stream system
Dynamics of dissolved organic matter in the forest soil-stream system
批准号:
21380096
负责人:
YOSHIOKA Takahito
金额:
$7.07万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2012
中文摘要
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英文摘要
Dynamics of dissolved organic matter (DOM) in the forest soil-stream systemand also in the watershed has been investigated with special reference to its quantity (dissolved organiccarbon content) and fluorescence property. Humic substance, which is a main component of dissolvedorganic matter, showed several fluorescent peaks. Peak intensities can be used to qualitatively andquantitatively analyze the DOM dynamics. From soil incubation experiments, it was indicated thatDOM and nitrogenous nutrient dynamics in soil closely relate each other, to be reflected in the streamwater quality.
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Assessing spatial and seasonal variations of dissolved organic matter by spectroscopic analysis in a stratified estuary : Yura River Estuary, Japan
通过光谱分析评估分层河口溶解有机物的空间和季节变化:日本由良河口
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[K.Fukuzaki, T.Yoshioka, et al]
通讯作者:
et al
硝酸の酸素と窒素同位体比を用いた由良川流域における窒素供給源の評価
利用硝酸氧氮同位素比评价由良河流域氮供应源
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[Murata, M., et al., 鈴木伸弥・吉岡崇仁・福島慶太郎・福崎康司・白澤紘明・大槻あずさ]
通讯作者:
鈴木伸弥・吉岡崇仁・福島慶太郎・福崎康司・白澤紘明・大槻あずさ
由良川流域における溶存鉄の分布と動態
由良河流域溶解铁分布及动态
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
[額谷悠夏, ら, 福崎康司・河本晴恵・大槻あずさ・吉岡崇仁・徳地直子・福島慶太郎・向昌宏・堤直人・相本道宏]
通讯作者:
福崎康司・河本晴恵・大槻あずさ・吉岡崇仁・徳地直子・福島慶太郎・向昌宏・堤直人・相本道宏
海洋植物プランクトンの産生する溶存有機物の光学的特性
海洋浮游植物产生的溶解有机物的光学特性
DOI:
--
发表时间:
期刊:
影响因子:
--
作者:
[Nagumo, M., 福崎康司・吉岡崇仁・今井一郎]
通讯作者:
福崎康司・吉岡崇仁・今井一郎
Spatial distribution of oxygen-18 and deuterium in stream- and groundwaters across the Japanese archipelago
日本列岛溪流和地下水中氧 18 和氘的空间分布
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[Katsuyama M, Yoshioka T, Konohira E, Tayasu I, Tani M.]
通讯作者:
Tani M.
共 21 条
Nitrogen absorption in forested ecosystem is not always recovered by exclusion of feeding pressure of Japanese sika deer.
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批准号:24658136
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项目类别:Grant-in-Aid for Challenging Exploratory Research
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资助金额:$2.66万
-
财政年份:2012
-
负责人:YOSHIOKA Takahito
-
依托单位:
Development of a evaluation method of environmental effect on a forested ecosystem using a biogeochemical model based on stream-water hydrochemical processes
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批准号:15310029
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项目类别:Grant-in-Aid for Scientific Research (B)
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资助金额:$9.22万
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财政年份:2003
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负责人:YOSHIOKA Takahito
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依托单位:
Assembling a system for measuring biological activity of micro-level particle in heterogenous system
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批准号:06554036
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项目类别:Grant-in-Aid for Scientific Research (B)
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资助金额:$3.97万
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财政年份:1994
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负责人:YOSHIOKA Takahito
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依托单位:
ROLE OF MICROBIAL LOOP IN AQUATIC CARBON AND NITROGEN CYCLES
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批准号:05454603
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项目类别:Grant-in-Aid for General Scientific Research (B)
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资助金额:$4.29万
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财政年份:1993
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负责人:YOSHIOKA Takahito
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依托单位:
海外基金