Reassessing the Benefits and Costs of Universitas Indonesia's Urban Forest Zonation

Abstract

Universitas Indonesia's urban forest is part of Universitas Indonesia's campus area and had been so for 30 years. It was found that Universitas Indonesia's urban forest was divided into 3 zones: Wales Barat, Wales Timur, and Vegetasi Asli (consisted of trees from Jakarta and West Java). The zoning was based on the imaginary line which was the formed vegetation zone found by Alfred Russel Wallace and functioned as a facility for germplasm collection and conservation. Over a while, Universitas Indonesia's urban forest has experienced secondary succession, including the elimination of dead trees, species enrichment throughout replanting, and invasive (fast-growing) species dispersion. Those conditions have changed the structure of vegetation in UI's urban forest. Reassessing the zonation of UI's urban forest is important. The reassessment was carried out by data inventory of replanting from 1988 to 2018 and the use of periodic inventory data. The reassessment result showed that the zonation of UI's urban forest being a facility for germplasm collection and conservation is not changed (has not been altered).