Critical Loads for Sulphur and Nitrogen: Report from a workshop held in Skokloster, Sweden, 19–24 March, 1988Jan Nilsson Nordic Council of Ministers, 01/07/1988 - 418 من الصفحات Miljørapport 1988:15 |
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
accumulation acid deposition acid forest soils acid soils acidification push adsorption air pollutants alkalinity aluminium ammonium areas atmospheric autotrophic base cations base saturation biomass buffer calculated Calluna canopy catchment changes chemical weathering chemistry coniferous coniferous forest critical load decrease denitrification dissolution estimated factors fertilization Figure flux forest ecosystems gibbsite Grennfelt groundwater growth heathland heterotrophic Hultberg increased indicate input jurbanite keq/ha yr keq/km² yr Laxå levels loads for nitrogen mineral mycorrhizal N20-production needles Netherlands Nilsson nitrate nitrate concentrations nitrate leaching nitrification nitrification rate nitrogen cycle nitrogen deposition Norway nutrient organic oxide Pinus plant podzol potential precipitation processes production proton ratio reaction reduction Roelofs roots runoff sensitive soil acidification Soil depth soil pH soil solution species spruce studies sulphate surface waters Sverdrup Sweden Swedish Table throughfall toxic trees Ulrich uptake vegetation Warfvinge watershed weathering rate wet deposition