Critical loads and their exceedances at intensive forest monitoring sites in Europe

被引：32

作者：

Lorenz, Martin ^{[1
]}

Nagel, Hans-Dieter ^{[2
]}

Granke, Oliver ^{[1
]}

Kraft, Philipp ^{[3
]}

机构：

[1] Fed Res Ctr Forestry & Forest Prod, D-21031 Hamburg, Germany

[2] OEKO DATA, Strausberg, Germany

[3] Univ Giessen, Inst Landscape Ecol & Resource Management, D-35392 Giessen, Germany

来源：

ENVIRONMENTAL POLLUTION | 2008年 / 155卷 / 03期

关键词：

Europe; forest health; nitrogen; sulphur; critical loads;

D O I：

10.1016/j.envpol.2008.02.002

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Intensive forest monitoring by means of harmonised methods has been conducted in Europe for more than a decade. Risks of atmospheric nitrogen and sulphur deposition are assessed by means of calculations of critical loads and their exceedances. In the present study throughfall and bulk deposition of nitrate (N-NO3), ammonium (N-NH4) and sulphate (S-SO4) show marked spatial patterns and temporal trends. In the period of observation (1999-2004), sulphate deposition on intensive monitoring plots decreased by about one quarter. This is in line with the reduction of S deposition by 70% since 1981 in Europe as a result of successful air pollution control politics under the Convention on Long-range Transboundary Air Pollution (CLRTAP). However, sulphate and especially nitrate and ammonium deposition were found to still exceed critical loads at many forest sites, indicating a continued need for further implementation of air pollution abatement strategies. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：426 / 435

页数：10

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