RETENTION AND LEACHING OF ELEVATED N DEPOSITION IN A FOREST ECOSYSTEM WITH GLEYSOLS

Frakn Hagedorn; Patrick Schleppi; Jurg Bucher

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RETENTION AND LEACHING OF ELEVATED N DEPOSITION IN A FOREST ECOSYSTEM WITH GLEYSOLS

机译：森林生态系统中硝态氮对氮沉降的保留和淋滤

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The response of nitrogen transformations and nitrate(NO~-_3)leaching to experimentally increased N deposition were studied in forested sub-catchments(1500 m~2)with Gleysols in Central Switzerland. The aim was to investigate whether their increase in NO~-_3 leaching, due to elevated N Deposition, was hydrologically driven or resulted from N saturation of the forest ecosystem. Three Years of continuous N addition at a rate of 30 kg NH_4NO_3NO_3-N ha ~-1 yr~-1 had no effects on bulk soil N, On microbial biomass N, on K_2SO_4-extractable N concentrations in the soil, and on net nitrification Rates.

机译：研究了瑞士中部森林中小流域（1500 m〜2）中氮的转化和硝态氮（NO〜-_3）浸出对实验性氮沉降的响应。目的是研究由于氮沉积量增加而导致的NO〜__3淋溶增加是由水文驱动的还是由森林生态系统的N饱和引起的。连续30年以30 kg NH_4NO_3NO_3-N ha〜-1 yr〜-1的速率添加氮对土壤块状氮，微生物量氮，土壤中K_2SO_4可提取的氮浓度以及净硝化作用没有影响费率。

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来源
《Water, Air, and Soil Pollution》 |2001年第4期|p.119-142|共24页
作者
Frakn Hagedorn; Patrick Schleppi; Jurg Bucher;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类环境科学、安全科学;
关键词
catchment; end-member mixing analysis; forest ecosystem;

机译：集水;末端成员混合分析;森林生态系统;

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5. ANION RETENTION MECHANISMS IN FOUR FOREST SOILS--RELEVANCE TO THE LEACHING PROCESS (WASHINGTON, TENNESSEE). [D] . HORNG, FU-WEN. 1983

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8. Soil Leaching in Northern Forest Ecosystems [R] . Johnson, D. W. 1986

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RETENTION AND LEACHING OF ELEVATED N DEPOSITION IN A FOREST ECOSYSTEM WITH GLEYSOLS

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