Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 346608
Title Fuel load, humus consumption and humus moisture dynamics in Central European Scots pine stands
Author(s) Hille, M.G.; Ouden, J. den
Source International Journal of Wildland Fire 14 (2005)2. - ISSN 1049-8001 - p. 153 - 159.
Department(s) Forest Ecology and Forest Management
Publication type Refereed Article in a scientific journal
Publication year 2005
Keyword(s) douglas-fir stand - spatial-patterns - water-content - plot-scale - forest - soil - sylvestris - throughfall - severity - duff
Abstract Samples of Scots pine (Pinus sylvestris L.) humus were burned under different moisture and fuel load scenarios to model humus consumption. For moisture levels below 120% on a dry mass basis, a parabolic increase of humus remaining with increasing moisture content was observed while, for higher moisture levels up to 300%, humus was reduced by a constant 10¿15% on a dry mass basis. Both fuel load and humus moisture had a highly significant influence on humus consumption. Humus gross calorific value of Scots pine (19 509 KJ kg¿1) is lower than that of other pine species. We found a desorption time-lag for humus moisture of 85 h in this study. Field data show a steady accumulation of humus in Central European Scots pine stands (up to 45 t ha¿1 in 120-year-old stands). Amounts of litter remain constant over the different stand ages (~15 t ha¿1). This study provides important information to predict humus consumption in Scots pine stands. The results can be used to build a fire severity and post-fire succession model for Scots pine stands in Central Europe
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