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Effect of plant diversity on ecosystem functions in grassland: the role of roots

Description: Das Projekt "Effect of plant diversity on ecosystem functions in grassland: the role of roots" wird vom Umweltbundesamt gefördert und von Universität Berlin (Humboldt-Univ.), Landwirtschaftlich-Gärtnerische Fakultät, Institut für Pflanzenbauwissenschaften, Fachgebiet Pflanzenernährung durchgeführt. Human activities have led to strong reduction in plant diversity. There is an intensive debate on the consequences of diversity loss on ecosystem functions such as productivity, and cycling of carbon and mineral nutrients, as well as on the plant traits responsible for these ecosystem functions. In this subproject it is tried to assess the effects of plant diversity in experimentally established grassland plots on (a) biomass and nutrient accumulation in roots, (b) acquisition of soil resources by living roots and (c) release of organic carbon and nutrients into the soil by decaying roots. The experimental design allows to differentiate between effects of plant species number per se, and effects of functional attributes associated with specific plant groups on root characteristics. It is expected that the results will improve our knowledge about the processes involved in diversity effects on ecosystem functions, and finally may help to develop recommendations of agricultural measures for sustainable grassland management

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SupportProgram

Origin: /Bund/UBA/UFORDAT

Tags: Bodennährstoff ? Nährsalz ? Organischer Kohlenstoff ? Berlin ? Mineralstoff ? Nährstoff ? Verrottung ? Wiese ? Brunnen ? Gesamter organischer Kohlenstoff ? Grünland ? Pflanzenart ? Wirkung ? Pflanzenwurzel ? Bodenressourcen ? Pflanzenvielfalt ? Mensch ? Kohlenstoffkreislauf ? Management ? Pflanzenernährung ? Boden ? Schaden ? Wirkung ? Beschaffung ? Ökosystemfunktion ? Biomasse ? Landwirtschaft ? Ökosystem ? Produktivität ? Planung ? Maßnahme ? Anreicherung ? Artenvielfalt, Pflanzenart ? Attribut ? Bepflanzung ? Art [Spezies] ? Diversität ? Empfehlung ? Ergebnis ? Funktion ? Gruppe ? Hilf ? Verarbeiten ? Verringerung ? bewerten ? nachhaltig ? spezifisch ? stark ?

Region: Berlin

Bounding box: 10.44987° .. 10.44987° x 54.03573° .. 54.03573°

License: cc-by-nc-nd/4.0

Language: Deutsch

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Time ranges: 2002-01-01 - 2008-12-31

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