1. DIFFERENTIATION OF THE SOILS PROPERTIES EVOLUTION DEPENDING ON VEGETATION TYPE. Authors: H.L. CACOVEAN.2. CONSIDERATIONS ABOUT PARENT MATERIAL AND SOILS DISTRIBUTION IN THE REGION OF FIZEŞ PLAIN (TRANSYLVANIA PLAIN). Authors: H.L. CACOVEAN.3. THE SILTING OF THE RESERVOIRS FROM SOMEŞUL CALD VALLEY UNDER CONDITIONS OF THE IRREGULAR DISTRIBUTION OF THE FOREST AND OF THE ALLUVIAL FLOW. Authors: H.L. CACOVEAN, GH. ŞERBAN.4. SPATIAL DISTRIBUTION OF HEAVY METALS IN THE SOILS OF ERATH COUNTY, TEXAS. Authors: T. RUSU, H.L. CACOVEAN, H. CUMMINGS, C. THOMPSON, D. WEINDORF, M. DIA.