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Soil water retention and gross primary productivity in the Zábrod area in the Šumava Mts

Author

Listed:
  • Miloslav Šír

    (Institute of Hydrodynamics of the ASCR, Prague, Czech Republic)

  • Ľubomír Lichner

    (Institute of Hydrology, Slovak Academy of Sciences, Bratislava, Slovakia)

  • Miroslav Tesař

    (Institute of Hydrodynamics of the ASCR, Prague, Czech Republic)

  • Miroslav Krejča

    (Institute of Technology and Business in České Budějovice, České Budějovice, Czech Republic)

  • Jan Váchal

    (Institute of Technology and Business in České Budějovice, České Budějovice, Czech Republic)

Abstract

The synergy between the hydrologic extremes, plant transpiration, gross primary productivity, and soil water retention was studied in the experimental area Zábrod - Meadow in the Šumava Mts. (Bohemian Forest) during the vegetative seasons of 1983-2000. The heat balance, potential and actual transpiration, entropy production and gross primary productivity were evaluated. It was found that the global radiation, precipitation amount, and soil water retention are the crucial factors determining the hydrologic pattern and gross primary productivity. Insufficient soil water retention leads to low entropy production by evaporation and low gross primary productivity, which results in the extremalisation of the hydrologic cycle. On the other hand, in the case of sufficient soil water retention, high entropy production by transpiration and high gross primary productivity lead to the stability of the hydrologic cycle.

Suggested Citation

  • Miloslav Šír & Ľubomír Lichner & Miroslav Tesař & Miroslav Krejča & Jan Váchal, 2008. "Soil water retention and gross primary productivity in the Zábrod area in the Šumava Mts," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 3(SpecialIs), pages 130-138.
    • Handle: RePEc:caa:jnlswr:v:3:y:2008:i:specialissue1:id:12-2008-swr
    DOI: 10.17221/12/2008-SWR
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    References listed on IDEAS

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    1. Pokorný, Jan, 2001. "Dissipation of solar energy in landscape—controlled by management of water and vegetation," Renewable Energy, Elsevier, vol. 24(3), pages 641-645.
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