Titlebook: Objektorientierte Systemanalyse; Eine Einführung Martin Schader,Michael Rundshagen Textbook 19941st edition Springer-Verlag Berlin Heidelbe

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,Computerunterstützung,r Entwicklungswerkzeuge bestimmt. (Zur Bedeutung der Computerunterstützung vgl. auch Brinkkemper (1990).) Die Reichweite der Hilfestellung durch CASE-Tools kann sich dabei von der einfachen Unterstützung bei der Erstellung der einzelnen Analysedokumente über eine zus?tzliche Verwaltung semantischer

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re, Japan. To accomplish this, a field survey with sampling was conducted in January 2009. Nine submerged macrophyte species were collected during the diving operation. The sample collection showed that submerged macrophytes flourished on both sides of the river but did not flourish in the central p

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Martin Schader,Michael Rundshagene do not understand how and why a dam influences riverine macroinvertebrate assemblages. The purpose of this study was to clarify the influences of the Ooishi Dam (Sekikawa Village, Niigata Prefecture, Japan) on downstream macroinvertebrate assemblages with a particular focus on net-spinning caddisf

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Martin Schader,Michael Rundshagenfrom the river to the drainage canal system and back to the former river. Even if biomass increases only in the drainage canal, the effect is limited. To enrich biodiversity in paddy fields, year-round water flows and natural materials in canal beds are important. However, information on the water v

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Martin Schader,Michael Rundshagenfrom the river to the drainage canal system and back to the former river. Even if biomass increases only in the drainage canal, the effect is limited. To enrich biodiversity in paddy fields, year-round water flows and natural materials in canal beds are important. However, information on the water v

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Martin Schader,Michael Rundshagens most effective for biodiversity. To research this problem, I investigated the distribution and life history of aquatic animals in a consolidated paddy field. I surveyed various aspects of the paddy field, such as canal levels with the main, lateral and farm drains, areas with the presence or absen

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survive in an oxygen-poor environment, while . cannot survive in an oxygen-poor environment. A great amount of sunlight travels to the bottom of the lake because of artificial water-level manipulation in early summer. As a result, submerged macrophytes prosper in the summer. It is desirable to chan