A new era was started in urban and natural resource management when GIS was first put in use in Canada in i97 I. Those tasks that were difficult and time-consuming to fulfil by traditional techniques began to be dealt with faster. more reliably and more easily in computer envirorırnent. Howevcr. in the beginning it was not possible to store and update the temporal data desirably due to the deficierıcies in computer hardware and software. The reeent developments in computer hardware and software offer possibilities to update temporal changes in geographic data and roll-back inquiries. Temporal changes has an important role in managing and planning dynamic systems such as forests, By means of GIS, this changes can be offered to forestry technicians and managers as a tool for planning and managing the Turkish forest resources more scienıifically and ıechnically. Moreover. aıı works can be eontrolled backwards fast, confidenıially and sourıdly.