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Photodegradation of grass litter in semi-arid grasslands : a global perspective

  • In a recent contribution in Nature (vol. 442, pp. 555-558) Austin & Vivanco showed that sunlight is the dominant factor for decomposition of grass litter in a semi-arid grassland in Argentine. The quantification of this effect was portrayed as a novel finding. I put this result in the context of three other publications from as early as 1980 that quantified photodegradation. My synopsis shows that photodegradation is an important process in semi-arid grasslands in South America, North America and eastern Europe.

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Author:Martin Köchy
Document Type:Other
Year of Completion:2006
Publishing Institution:Universität Potsdam
Release Date:2007/01/22
Tag:Laubstreu; Schatten; UV-Licht; abiotische Zersetzung; semi-arides Grasland
UV radiation; abiotic decomposition; leaf litter; semi-arid grassland; shade
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Biochemie und Biologie
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 58 Pflanzen (Botanik) / 580 Pflanzen (Botanik)
Notes extern:Kommentar zum Aufsatz:
Austin, A. T. ; Vivanco, L.: Plant litter decomposition in a semi-arid ecosystem controlled by photodegradation. - In: Nature. - 442 (2006), pp. 555 - 558