By G. J. Heij, T. Schneider
This e-book comprises the consequences and conclusions of intensive learn at the explanations and results of acidification of forests/forest soils and heathland within the Netherlands. In 1985 the Dutch precedence Programme on Acidification used to be begun on the way to provide a extra concrete shape to the expanding curiosity of policy-makers within the results of pollution on ecosystems specifically. within the final 3 years, the learn has all in favour of acquiring a extra actual estimate of the emission of ammonia at the deposition of SOx, NOy and NHx, and likewise on quantifying results on wooded area and heathland ecosystems. This quantification of results integrated experimental paintings version analyses, and derivation of severe quite a bit and degrees for wooded area and heathland ecosystems. additionally, situation analyses have been made with the Dutch Acidification structures version (DAS) so as to evaluation the effectiveness of coverage measures. The learn itself, which shaped the foundation for this ebook, has been defined within the studies on person tasks. A precis of the clinical effects and conclusions is given in thematic reviews (added as annex).
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Extra resources for Acidification Research in The Netherlands: Final Report of the Dutch Priority Programme on Acidification
Heij (since 1989-06-01). The Steering Committee has been responsible for the programme and for the funds available for subsidies. Wolters, Director of the Air Directorate of the Ministry of Housing, Physical Planning and Environment (VROM). Verhoeff, Director - 33 - of Agricultural Research at the Ministry of Agriculture, Nature Management and Fisheries (LNv). With the Programme Director, a Project Group of up to 13 researchers has been responsible for the co-ordination and evaluation of the research projects.
Calculations based on Scenario 1 seem to offer good prospects for the longer term (after the year 2025). 6 Synthesisof the scenario analyses Scenario 2, with an average deposition of 1400 mol H+ per ha for the Netherlands as a whole in the year 2010 and an average deposition of 1400 mol H+per ha for forests in the year 2050, seems sufficient to minimize the impact of acidification, as one of the factors of combined stress important for the health of forests and heathland. The critical values for A1 concentration, AVCa ratio and NO3 leaching in forest soils are exceeded in the year 2010 in less than 20%of the forest soils investigated.
It is known, however, that a more balanced feeding reduces the amount of ammonia in the manure and thus, indirectly, the ammonia emission. This implies that the amount and type of N compounds in the fodder could be better adjusted to the need of the animals. Another promising option for increasing the utilization of proteins is the addition of certain synthetic amino acids to the fodder. This aspect is one of the priorities of the Research Programme on Animal Manure and Ammonia. - Housing and storage systems In general, reducing ammonia emissions from farm buildings is difficult, because of the diversity of animals and housing systems.
Acidification Research in The Netherlands: Final Report of the Dutch Priority Programme on Acidification by G. J. Heij, T. Schneider