Vegetation Analysis of Outdoor Recreation Zone in Sisangan Forest

Recognition of vegetation and study of their ecological features are considered a criterion for the quality of forest ecosystems. So such researches in these habitats is necessary in order to study floristic combination accurately since according to their outcomes, we can predict the trend of future changes and preserve endangered plant species. Therefore, this survey was done in order to study one of the most significant plain forests in the south of Caspian Sea relying on plant characteristics in outdoor recreation zone. First of all, 80 plots were chosen by means of random-systematic sampling. Then features of quantity and quality related to tree, shrub and herbaceous coverage in those plots were measured. In this matter, density, coverage percentage, frequency, abundance and presence for forest stand and forest coverage were calculated. According to the results, 35 plant species were recognized in outdoor recreation zone of Sisangan forest park. The relationship between the coverage percentage of upper storey and forest bottom plants reflect the relationship between falling rate of upper storey and rising rate of forest bottom coverage. All in all, in outdoor recreation zone, the frequency of Buxus Hyrcana and Carpinus betulus is dramatically more than other species. considering their conservation importance, full attention to this reserve is essential. Taking everything into consideration, in order to preserve plant species of this area, it is necessary that responsible organizations pay special attention to this reserve where conservation plant species according to the red list of IUCN exist.