Anwendung der Hasse-Diagrammtechnik |
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Authors: | Rainer Brüggemann Andreas Kaune Joachim Klein Reinhard Zellner |
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Institution: | 1. GSF-Forschungszentrum für Umwelt und Gesundheit GmbH, Neuherberg, D-85764, Oberschlei?heim 3. Institut für Physikalische und Theoretische Chemie, Universit?t GH Essen, D-56117, Essen
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Abstract: | Using four dynamic criteria, the following environmental changes were evaluated: Global warming; destruction, of the stratospheric ozone layer; eutrophication and acidification of aquatic ecosystems; photochemical smog; reduction of the available area of agricultural soils; loss of species diversity; consumption of resources; reduction of crop yield; forest decline; noise, and smell. These ecosystem changes, or negative effects, were characterized by four dynamic criteria: 1) Regional importance, 2) extent of alteration, 3) resilience and 4) irreversibility. A multi-criteria assessment, accounting simultaneously for all four criteria, requires a generalized concept of order. Here, the concept of partially ordered sets, visualized by Hasse diagrams, was used to derive a priority list of environmental changes. Highest priority was equally assigned to the loss of species diversity, the consumption of resources and the destruction of the ozone layer. However, these ecosystem changes are incomparable to each other concerning the four criteria used and thus require different management strategies. |
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