The behavior of nitrogen isotopes in acidified forest soils in the Czech Republic

被引：14

作者：

Buzek, F ^{[1
]}

Cerny, J ^{[1
]}

Paces, T ^{[1
]}

机构：

[1] Czech Geol Survey, Prague 11821 1, Czech Republic

来源：

WATER AIR AND SOIL POLLUTION | 1998年 / 105卷 / 1-2期

关键词：

ammonium; Czech Republic; natural abundance N-15; nitrate; nitrogen cycling; forest soil acidification;

D O I：

10.1023/A:1005072602773

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The effects of atmospheric deposition on N cycling in acidified soils were studied at three spruce and one beech forested sites in the Czech Republic. Nitrogen content and delta(15)N were monitored in bulk and throughfall precipitation, needles, leaves, soils and soil solutions. Changes in soil NO3- production, effect of admiring of atmospheric N in spruce forest and N consumption in deciduous forest are described using changes in N-15 fractionation of mineralized N in soil. Admiring of atmospheric NH4+ can be identified at low concentrations of exchangeable NH4+. The delta(15)N ratio of atmospheric NO3- input is on average by 2 parts per thousand less negative than the delta(5)N ratio in soil water; admiring changes the delta(15)N of soil NO3- detected in lysimeters.

引用

页码：155 / 164

页数：10

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