首页> 外文OA文献 >GUO Jian-fen1; 2; YANG Yu-sheng2*; CHEN Guang-shui2; LIN Peng1 1 College of Life Science; Xiamen University; Xiamen; P. R. China 2 College of Geography Science; Fujian Normal University; Fuzhou; P. R. China;
【2h】

GUO Jian-fen1; 2; YANG Yu-sheng2*; CHEN Guang-shui2; LIN Peng1 1 College of Life Science; Xiamen University; Xiamen; P. R. China 2 College of Geography Science; Fujian Normal University; Fuzhou; P. R. China;

机译:GUO Jian-fen1; 2; YANG Yu-sheng2*; CHEN Guang-shui2; LIN Peng1 1 College of Life Science; Xiamen University; Xiamen; P. R. China 2 College of Geography Science; Fujian Normal University; Fuzhou; P. R. China;

摘要

尽管溶解有机碳(DOC)和溶解有机氮(DON)在森林养分循环中的作用日渐为人们所关注,但对它们的浓度及动态,特别是对亚热带森林DOC 和DON 的研究甚少。本文于2002 年通过野外天然降水及亚热带木荷和杉木人工林(monoculture plantations of Schima superba and Cunninghamia lanceolata,15 年生)穿透雨和树干茎流各水样的收集及室内各水样中DOC、NO3 -N、NH4 -N 和总溶解有机氮(TDN)浓度的测- +定,其中DON 浓度通过TDN 与NO3 -N、NH4 -N 的浓度差值来计算,- +结果表明,天然降水DOC 和DON 浓度分别为1.7 和0.13 mg·L-1。木荷人工林穿透雨DOC 和DON 浓度分别为11.2 和0.24 mg·L-1,高于杉木人工林的DOC 和DON 浓度(10.3 和0.19 mg·L-1)。杉木人工林树干茎流DOC 和DON 浓度(分别为19.1 和0.66 mg·L-1)明显高于木荷人工林(分别为17.6 和0.48 mg·L-1)。天然降水DOC 浓度的月变化不明显,而DON 浓度在夏季和秋季较高。... 【英文摘要】 Despite growing attention to the role of dissolved organic carbon (DOC) and dissolved organic nitrogen (DON) in forest nutrient cycling, their monthly concentration dynamics in forest ecosystems, especially in subtropical forests only were little known. The goal of this study is to measure the concentrations and monthly dynamics of DOC and DON in precipitation, throughfall and stemflow for two planta- tions of Schima superba (SS) and Chinese fir (Cunninghamia lanceolata, CF) in Jianou, Fujian, China. Sample...
机译:尽管溶解有机碳(DOC)和溶解有机氮(DON)在森林养分循环中的作用日渐为人们所关注,但对它们的浓度及动态,特别是对亚热带森林DOC 和DON 的研究甚少。本文于2002 年通过野外天然降水及亚热带木荷和杉木人工林(monoculture plantations of Schima superba and Cunninghamia lanceolata,15 年生)穿透雨和树干茎流各水样的收集及室内各水样中DOC、NO3 -N、NH4 -N 和总溶解有机氮(TDN)浓度的测- +定,其中DON 浓度通过TDN 与NO3 -N、NH4 -N 的浓度差值来计算,- +结果表明,天然降水DOC 和DON 浓度分别为1.7 和0.13 mg·L-1。木荷人工林穿透雨DOC 和DON 浓度分别为11.2 和0.24 mg·L-1,高于杉木人工林的DOC 和DON 浓度(10.3 和0.19 mg·L-1)。杉木人工林树干茎流DOC 和DON 浓度(分别为19.1 和0.66 mg·L-1)明显高于木荷人工林(分别为17.6 和0.48 mg·L-1)。天然降水DOC 浓度的月变化不明显,而DON 浓度在夏季和秋季较高。... 【英文摘要】 Despite growing attention to the role of dissolved organic carbon (DOC) and dissolved organic nitrogen (DON) in forest nutrient cycling, their monthly concentration dynamics in forest ecosystems, especially in subtropical forests only were little known. The goal of this study is to measure the concentrations and monthly dynamics of DOC and DON in precipitation, throughfall and stemflow for two planta- tions of Schima superba (SS) and Chinese fir (Cunninghamia lanceolata, CF) in Jianou, Fujian, China. Sample...

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