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Biological activity, nitrogen dynamics, and chemical characteristics of forest soils in the Šumava national park

Author

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  • M. Svoboda

    (Czech University of Agriculture, Faculty of Forestry, Prague, Czech Republic)

Abstract

This paper deals with large-scale mountain forest decline in the Šumava National Park. The changes in biotic and abiotic properties of forest sites follow the tree layer disintegration. Changed microclimatic conditions such as intensity of irradiance, moisture and temperature of the top holorganic layers together with altered development of ground vegetation could strongly affect the values of microbiological respiration activity and the rates of nitrogen mineralization and nitrification. Soil substrates, built of organic mater, located on stony locations, are endangered by introskeletal erosion. This paper compares these features in pairs of research plots, consisting of dead or cut forest and of living stand. According to the results of this study, higher rates of organic matter decomposition, transformed dynamics of nitrogen and other nutrients and possible nutrient leaching from soil solutions were demonstrated in the forest floor under declined spruce stands. The extent and seriousness of these adverse processes for forest soils are strongly site dependent.

Suggested Citation

  • M. Svoboda, 2003. "Biological activity, nitrogen dynamics, and chemical characteristics of forest soils in the Šumava national park," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 49(7), pages 302-312.
    • Handle: RePEc:caa:jnljfs:v:49:y:2003:i:7:id:4704-jfs
    DOI: 10.17221/4704-JFS
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    Cited by:

    1. K. Matějka & J. Starý, 2009. "Differences in top-soil features between beech-mixture and Norway spruce forests of the Šumava Mts," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 55(12), pages 540-555.

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