KEANEKARAGAMAN JENIS-JENIS TUMBUHAN ANGIOSPERMAE PADA RUANG TERBUKA HIJAU DI KOTA BOGOR

Abstract

Plant diversity is very important for green open spaces including regulating city temperature, regulating oxygen content, reducing carbon dioxide, and increasing water catchment areas. The aim is to count the types of angiosperms in Bogor City Park and calculate Density, Frequency, Dominance and Index of Important Value (INP), and diversity index. The method used is the exploratory method, exploring and observing directly the types of spermatophyta plants found in Bogor city parks. The conclusion obtained were 47 species of angiosperms consisting of 37 Dicots and 10 Monocots, the highest relative frequency was Mangifera indica, Plumeria rubra, Tabebuia aurea with a value of 8.4507%, the highest relative frequency in Monocots was the type of Canna indica and Crinum asiaticum L with a value of 15%. The highest relative density is in the type of Ruellia Angustifolia with a value of 34.613% and the highest relative density of Angiospemae in Monocots is the type of Canna indica with a value of 34.7099%. The highest relative dominance of Dicotyledonous Angiospermae is the type of Ceiba pentandra 91.7068% and the highest relative dominance of Monocotyledonous Angiospemae is the type of Livistona chinensis 22.44%. The highest Important Value Index is on the type of Ceiba pentandra with a value of 93,1868%, and the Important Value Index on Monocots is on the type of Canna indica with a value of 62.334%. the diversity index of spermatophyta plants in the city park of busy traffic is 1.5 and the city park of quiet traffic obtained a conclusion of 1.8 which means that the diversity index in the city park is moderate.

Keywords: Angiosperm, Diversity, Green Open Space