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  • The humus form classes arise from the succession of organic soil horizons and present details about the circumstances in which the organic material is transformed at a specific location. Hence, the assigned humus form is determined through a morphological account of the traits of the organic soil matter in the field, such as colour, level of decay and blend, and scent.

  • The ecological water conditions are indicative of the water balance at a location and provide an average measure of water available for plants throughout the year.

  • Secondary sub-surface textural class of upper soil horizon of the Soil Typological Unit (STU).

  • Water permeability refers to the average vertical drainage velocity of water in soil. Its primarily depends on soil structure and texture, followed by humus content coarse fraction, soil depth, and depth of the groundwater table. The soil map distinguishes ten categories: the five primary categories of "very low", "low", "moderate", "high", and "very high", and five additional categories of "very low to low", "low to moderate", "moderate to high", "high to very high", and "not described".

  • Full soil code of the STU from the World Reference Base (WRB) for Soil Resources.

  • Soil depth refers to the depth of unconsolidated soil layers and is restricted in vertical extent by the occurrence of solid rock, solidified or hardened layers, or a predominant coarse fraction. The Agricultural Soil Map of Austria distinguishes a total of six classes, three primary and three secondary classes. The primary classes comprise "shallow" (<30cm), "medium" (30cm - 70cm), and "deep" (>70cm), while the secondary classes include the transition classes "shallow to medium," "medium to deep," and "highly variable." Soil depth as distinguished in this map refers to the extent to which a manually-operated soil drill (“Pürckhauer”) can be driven into the soil. This should not be confused with the soil depth to which root growth is possible known as the "effective depth" or "physiological depth". Typically, physiological depth extends beyond soil depth, since plant roots can partially penetrate dense layers or layers with a high proportion of coarse material. Nevertheless, the soil depth offers a suitable estimate of the soil volume accessible for root growth, as well as the soil's capacity to retain water and nutrients.

  • Code for dominant parent material of the Soil Typological Unit (STU).

  • Soil reference group code of the STU from the World Reference Base (WRB) for Soil Resources.

  • FAO Texture of upper soil horizon of the Soil Typological Unit (STU)

  • Verordnete Lawineneinzugsgebiete Österreichs: Unter einer Lawine (im Sinne des § 99 Abs. 2 ForstG) sind Schneemassen zu verstehen, die bei raschem Absturz auf steilen Hängen, Gräben u. ä. infolge der kinetischen Energie oder der von ihnen verursachten Luftdruckwelle oder durch ihre Ablagerung Gefahren oder Schäden verursachen können. Das Einzugsgebiet einer Lawine (im Sinne des § 99 Abs. 4 ForstG) ist deren Nähr-, Abbruch- und Ablagerungsbereich sowie die Lawinenbahn.