Study and comparison of Woody Species Diversity in Maple Plantations in Mazandaran Wood and Paper Low Forests

This study aims to assign woody plants diversity in four fields of 15 years’ Maple plantation in Paeinband Mazandaran Forests developed by the Mazandaran Wood and Paper Industries. In each plantation, three 20*20 m plots were designed while a plot was chosen to serve as the control sample in the surrounding forest area. Species and number of woody plants has been counted in each plot, and diameter and height of generated species was measured up to 1.3 meters height. Species diversity was examined using Shannon Wiener function, and evenness and richness were measured using Simpson and Menhinic indexes. Almost 18 tree and shrub species were observed in mentioned fields in this study. Results of this study in Nodeh and Talookola illustrate that there is no significant difference about Shannon Wiener diversity function among planted maples in the selected areas and the naturally grown trees in the forest area. However, the results derived Afratakht and Pahnekola sites show among planted maples in the selected areas and the naturally grown trees in the forest area from the standpoint of Shannon Wiener diversity function. There is no significant difference about biodiversity indexes (evenness and richness) among planted maples in the selected areas and the naturally grown trees in the forest area.