Nitrogen deposition and leaching in European forests - Preliminary results from a data compilation

被引：88

作者：

Gundersen, P

机构：

[1] Danish Forest and Landscape Research Institute, Hoersholm, DK-2970

来源：

WATER AIR AND SOIL POLLUTION | 1995年 / 85卷 / 03期

关键词：

D O I：

10.1007/BF00477141

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Input-output fluxes of nitrogen (N) and other ecosystem data from 64 European forest ecosystem studies have been compiled in a database (ECOFEE). Sires with high N deposition (up to 64 kg N ha(-1)yr(-1)) were characterized by high input of ammonia/ammonium. The deposition of oxidized N was usually only 10 to 15 kg N ha(-1)yr(-1). Of all the sites included, 60% leached more than 5 kg N ha(-1)yr(-1). Elevated nitrate leaching appeared at inputs above 10 kg N ha(-1)yr(-1). At several sites with inputs of 15-25 kg N ha(-1)yr(-1) nitrate leaching approached the N input, whereas ammonium dominated sites with high input still retained c. 50% of the input.

引用

页码：1179 / 1184

页数：6

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