The article analyzes the dynamics of increasing the number of objects of natural reserve fund of Volyn region and its areas for the period 1972–2015. The structure of the fund of protected areas for the major categories of protection and types are considered. The results of cartographic analysis of natural reserve fund are presented, on the basis of which are established the facts of placing some objects in the territorial boundaries of others. This provides evidence of the unreliability of the percentage value of protected landscape area, which is calculated by mechanical summing of registered areas. It concludes on the rationality of the land inventory of natural reserve fund of Volyn region on the basis of cartographic principles.
reserve, nature reserve, category of protection, national nature park, nature reserve fund