Kertész M., and T. Tóth. 1994. Soil survey based on sampling scheme adjusted to local heterogeneity. Agrokémia és Talajtan. 43:113-132 The aim was to map the soil and vegetation of a salt-affected landscape in order to provide reliable information for the management of a nature conservation area. The target variable was the catena position which integrates knowledge on the soil and vegetation. Efficient mapping requires the utilization of knowledge about relationships between the variables mapped. Spatial autocorrelations and between-attributes correlations were treated separately. Regarding the former, a formal solution is suggested taking spatial heterogeneity into consideration by designing sampling of uneven spatial density according to the satellite image of the pilot area. Regarding the latter, the determination of easly measurable chemical properties were chosen, i.e. pH, pNa and EC, utilizing their correlations with very important but tedious SAR measurements, and samples were only taken from the top 30 cm. The close relation between natural-seminatural vegetation and soil properties can be used to estimate the latter if plant associations are identified. It is intended to apply the probabilistic approach in the interpolation of the catena position types and in the prediction of soil properties. The use of remotely sensed images is planned not only in sampling design but in determining catena positions as well.