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Nitrate leaching in agriculture to upper groundwater in the sandy regions of the Netherlands during the 1992-1995 period

The Dutch National Monitoring Programme for Effectiveness of the Minerals Policy (LMM) was initiated to allow detection of a statutory reduction in nitrate leaching caused by a decreasing N load. The…

The Dutch nitrogen cascade in the European perspective

This paper provides an overview of the origin and the fate of nitrogen in the Netherlands, the various reported impacts of nitrogen, the Dutch and European policies to reduce nitrogen emissions and…

Environmental effects of manure policy options in the Netherlands

This study explores the effects of manure policy options for agricultural land in The Netherlands on nitrate leaching to groundwater, ammonia and nitrous oxide emissions to the atmosphere and on…

Economic and environmental effects of the manure policy in the Netherlands: synthesis of integrated ex-post and ex-ante evaluation

This paper summarises the results of both an ex-post evaluation of the Dutch Mineral Accounting System (MINAS) and an ex-ante evaluation of the effect of different levy-free surplus values.

Fuzzy modeling of cyanobacterial surface waterblooms: validation with NOAA-AVHRR satellite images

Surface waterblooms of toxic cyanobacteria (scums) interfere with the use of lakes, for instance in the production of drinking water or for recreation. Routine monitoring data are not sufficient for…

The integrated modeling system STONE for calculating nutrient emissions from agriculture in the Netherlands

For the Netherlands, a nutrient emission modeling system, called STONE, has been developed. It was designed for evaluation at the national and regional scale of the effects of changes in the…

The European Nitrogen Case

The N budget for Europe (excluding the former Soviet Union) indicates that the 3 principal driving forces of the acceleration of the European N cycle are fertilizer production (14 Mt (mill. tonnes) N…

Nitrogen pollution on the local and regional scale: the present state of knowledge and research needs

Concerns the results of a feasibility study on the realisation of a nitrogen research programme for the local scale. This study, initiated by the Ministries of Housing, Physical Planning and…