Powierzchnia gruntów leśnych – przyczyny zmian i spójność źródeł danych
Forest land – causes of change and coherence of data sources

Summary/Abstract: The author presents results of study concerning changes of forest area in Polish gminas and powiats in years 2008 and 2013. It was recognised that changes of forest area cannot be explained by both afforestation and deforestation processes only. It is important in terms of area fluctuations, eg. of private forests is secondary succession forests on abandoned former farmland as well as heterogeneous approach to the recognition of such areas in the register of land and buildings.

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