Potential impact model to assess agricultural pressure to landscape ecological functions
Identifieur interne : 000131 ( Istex/Curation ); précédent : 000130; suivant : 000132Potential impact model to assess agricultural pressure to landscape ecological functions
Auteurs : Bernhard Freyer [Autriche] ; Yvonne Reisner [Autriche, Suisse] ; Dieter Zuberbühler [Autriche, Suisse]Source :
- Ecological Modelling [ 0304-3800 ] ; 2000.
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- Wicri :
- topic : Indicateur environnemental.
English descriptors
Abstract
Conservation and protection of soil and water resources and visual aspects of landscape, as well as the promotion of biodiversity, are some of the central tasks of environmental policy development and social politics in the future. One of the main questions is: ‘which agricultural systems are able to guarantee sustained resource-conserving land use?’ Based on the ecological risk concepts of the 1970s and 1980s, a potential impact model was developed using a universal assessment algorithm derived from fuzzy logic. The model estimated the potential impact of agricultural land use on ecosystem function using a few resource indicators. Intervention intensities of agricultural land-use are set in relation to site conditions and aggregated for each of several defined potential impact categories. The interpretation with respect to risk and the calculation of potential impact values are explained.
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DOI: 10.1016/S0304-3800(00)00208-8
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