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Titel CO2 Production by Soils of Lazovskiy Reserve, South-East Primorye
VerfasserIn Viktoriia Semal, Lyudmila Purtova, Nikolay Kostenkov, Olga Nesterova, Valentina Tregubova, Alla Derbentseva, Elena Tyurina, Alla Kravchenko, Elena Glotova, Olesya Sergeeva, Ekaterina Korshenko
Konferenz EGU General Assembly 2016
Medientyp Artikel
Sprache en
Digitales Dokument PDF
Erschienen In: GRA - Volume 18 (2016)
Datensatznummer 250136324
Publikation (Nr.) Volltext-Dokument vorhandenEGU/EGU2016-17339.pdf
 
Zusammenfassung
CO2 is practically the only volatile compound in automorphic soils, in the form of which carbon is lost. So the investigation of the carbon dioxide production rate dynamics makes it possible not only to judge the biological processes intensity but also to estimate the organic substance losses due to mineralization. Lazovskiy Reserve holds a unique geographic location: its territory occupies both biologically rich coastal marine area and continental part of Sikhote Alin south-east branches, including both typical mountainous areas and wide intermountain river valleys. Specific conditions of the organic substance formation and transformation, its seasonal dynamics are due not only to the features of the monsoon climate but also to the availability of unique primeval coniferous broadleaved liana forests in the central part of the Reserve and coastal post-fire successions of the secondary oak forests. CO2 emission was observed in the laboratory setting (ex. situ), at 100% maximum water holding capacity (MWHC) and at 60% MWHC. It was found that the CO2 production extensive indicators are typical for Cambisol containing high level of humus. CO2 mean values at 60% MWHC ranged into a following series: Mollic Cambisol – Cambic Fluvisol – Dystric Cambisol.