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Using multi-objective classification to model communities of soil microarthropods

By D. Demsar, S. Dzeroski, T. Larsen, J. Struyf, J. Axelsen, M. Bruus-Pedersen and P.H. Krogh

Abstract

In agricultural soil, a suite of anthropogenic events shape the ecosystem processes and populations. However, the impact from anthropogenic sources on the soil environment is almost exclusively assessed for chemicals, although other factors like crop and tillage practices have an important impact as well. Thus, the farming system as a whole should be evaluated and ranked according to its environmental benefits and impacts. our starting point is a data set describing agricultural events and soil biological parameters. Using machine learning methods for inducing regression and model trees, we produce empirical models able to predict the soil quality from agricultural measures in terms of quantities describing the soil microarthropod community. We are also interested in discovering additional higher level knowledge. In particulat, we have identified the most important factors influencing the population densities of springtails and mites and their biodiversity. We also identify to which agricultural actions different microarthropods react distictly. To obtain this higher level knowledge, we employ multi-opbjective regression trees

Topics: Soil biology, Biodiversity and ecosystem services
Publisher: 'Elsevier BV'
Year: 2006
DOI identifier: 10.1016/j.ecolmodel.2005.08.017
OAI identifier: oai:orgprints.org:7992
Provided by: Organic Eprints
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