Wykorzystanie danych satelitarnych i Systemu Informatycznego Lasów Państwowych w badaniach rozmieszczenia przestrzennego i wielkości szkód spowodowanych przez wiatr w drzewostanach wybranych obszarów Polski Północnej

The study presents the Geographic Information System created to analyse spatial distribution of wind-induced damages in forest stands of the Tuchola Forest, northern Poland, and in the vicinity of Toruń. It was used in several forest complexes mainly on the territory of the following Forest Districts in the Tuchola Forest: Woziwoda, Przymuszewo and Czersk, as well as in the Bory Tucholskie National Park. The following Forest Districts were analyzed in the vicinity of Toruń: Gniewkowo, Golub-Dobrzyń, Dobrzejewice and Toruń. The damages in Tuchola Forest were caused mainly by hurricanes in 26th of December 1999 and 22nd of June 2000. The dates of hurricanes caused the largest damages in the vicinity of Toruń were 17th of July 2001 and 28th of October 2002.