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L. Starkel
Fig. I. Ideał model of the organization of research in the national project MR 1 — 25 “Changes of the geographical environment of Poland" (showing changes in space and time)
Thus, the present-day environment is the coexistence of the vari-aged elements whose foundations are related to the distant or recent past. Thcrcfore, the identification of the age of these foundations and that of the ratę of changes seems to be very important in order to understand the restoration of the natural resources. The restoration is, in principle, proportional to the time and ratę of formation (Fig. 2). Degradation of minerał resources, relief, soils and deep rcservoirs of groundwater which require many thousand or even millions of years, and which were often formed under climatic or tectonic conditions different from the present-day ones, can be considered as the irrevcrsiblc changes.
The project MR 1 — 25 involved the departments of the Institute of Geography and Spatial Organization, Polish Academy of Sciences (Departments of Geomorphology and Hydrology in Cracow and Toruń, and Warsaw departments of Climatology, Organization of the Environment, and of Biogeography), the university geographical centrcs (Poznań, Warsaw and to the less extent Toruń, Lublin, Cracow, Łódź), schools of pedagogy (Kielce, Słupsk), geological departments of the University of Mining and Metallurgy in Cracow and that of the Warsaw University, Radiocarbon Laboratory of the Silesian Polytechnical University, Department of the Natural Resources and Naturę