The diversity of trees and open green spaces (OGS) at Universitas Syiah Kuala

Abstract

Research on diversity of trees and open green spaces (OGS) at Universitas Syiah Kuala has done from March to June 2017. The purpose of the study is to investigate (1) diversity of trees and (2) ratio open green spaces of Universitas Syiah Kuala. Twenty observation stations in the form of office space become samples of this research. This research uses quadrate methods as many as 100 sample plots from all stations. This research data were analyzed using Shannon species diversity index formula-Wienner (H), while the ratio of OGS was analyzed the formula developed by Joga and Ismaun. The conclusions of this research are (a) it is found forty-eight trees of 28 familia, (b) The index of tree species diversity categorized at a medium level with a value H of 2,179, and (c). Generally, office units at the Universitas Syiah Kuala have a very poor and weak OGS.