Open Access

Table 1

Description of nominal data.

Description des données nominales.

Attribute Description Aver. Min. Max.
TIME Month of transaction between 1 January 2008 and 31 December 2010 19.00 1.00 36.00
AREA Area of property (ha) 10.1704 2.0000 49.0200
FRAG Number of land plots per transaction 1.7976 1 14
DIST Location (distance in kilometers from compact settlements: close: up to 2 km, medium: 3–6 km, far: more than 6 km) 1.5952 1.0 3.0
LFA Location in and outside less-favored areas with natural handicaps 0.5615 0.00 1.00
SQL Soil quality a 0.7539 1.00 3.00
FCOV Percentage of forest cover in the respective municipality 25.99% 4.00% 63.00%
ALAN Percentage of agricultural land in the respective municipality 59.26% 20.00% 82.00%
PDEN Population density (persons/km2) in the respective municipality 33.06 12.16 80.50
SLOP Landform (flat terrain–the average slope of the land to 8o, non-flat terrain) 0.5357 0.0000 1.0000

Source: own elaboration.

Source : étude de l’auteur.


Soil science classification of land in Poland is determined on the basis of the official table of land defining the quality of the soil in terms of its value in use; high soil quality–arable land of class I, II, IIIa (all rich in plant nutrients, are a good natural structure, even at considerable depths, they are easy to grow, permeable, breathable), and pastures and meadows of class I and II (permanent grassland on mineral soils, rich in humus with a permanent structure, airy, permeable and rich in nutrients); medium soil quality–arable land of class IIIb, IVa and IVb (generally obtained on their average yields, even if you are using a good agronomical practice, crop yields largely depend on the amount and distribution of precipitation, especially during the growing season, soil, they often are in worse positions in the terrain, over larger falls and often are exposed to water erosion), pastures and meadows of class III and IV (permanent grassland on mineral soils and silty-peat of the physical and chemical properties worse than in Class I and II, and peat-muck, produced with peat low of regulated water relations); low soil quality – arable land of class R V, VI (light soils and dry, poor water conditions and low level of culture of the soil), and pastures and meadows of class V and VI (permanent grassland on mineral soils, low humus, poor in nutrients, too dry or too humid for most of the growing season, silty-peat and peat, too wet; have an uneven surface, a lot of stones and tree trunks, so their use is difficult).

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