Soils in urban and industrial environments

Abstract
Urban areas are expanding rapidly. Therefore the interest in soil science activities on urban and industrial sites grows. The paper gives an overview of the research and mapping activities in Germany. A model of soils in urban ecosystems shows the relationships of development of soils and soil quality to land use. The water regime of soils is influenced by the characteristics of urban landscape and sealing. Of special interest are the typical substrates. Some properties of soils which develop on tipped substrates of natural material are discussed. Of importance are technological substrates as rubble, ash, slag, waste material and sludges in urban environments. Proposals of classification of urban and industrial soils are presented. For proper use by the municipal authorities availability and application of information on urban soils must be a part of research.

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