Penentuan Luas Hutan Kota Berdasarkan Penyerapan Karbondioksida (Co2) Di Pasir Pengaraian Kabupaten Rokan Hulu Propinsi Riau

Abstract

Town is the center of people activity and concentration place of resident experiencing of growth from time to time. Growth of town is marked at the height of development new settlement, office centre, shopping centre, industrial, the motor vehicle increase, and increase total populasi of resident . Pasir Pengaraian is the capital regency of Rokan Hulu which is expanding causing the happening of change in various area. Density in Pasir Pengaraian in the year 2005 is 0,79/m2 while in the year 2007 is 0,9/m2. Growth of this Development bring negative impact to environmental quality. This matter can be marked with more and more it’s pop out environmental problem in urban like as improvement of temperature and mount pollution of air marked progressively is abundant produce of carbon dioxyde ( CO2) and decrease produse oxygen (O2) on the air. Applying conception urban forest in planning of urban arrangement will overcome problem degradation of environmental quality. According To Governmental Regulation No 63 Year 2002, urban forest is a carpet of farm which spring up compact tree and close in region of good urban at goverment land and also groundland of rights specified by official functionary as urban forest. Intention of this research is to determine wide of urban forest to be develop builded in Pasir Pengaraian in 2008 and estimation of the wide urban forest until 2020. The obtained data in the form of resident amount, sum up consumption of BBM (gasoline, diesel fuel and kerosene) and LPG processed with the capability carbon dioxide sinks by plant so that obtained a wide of urban forest to absorbtion carbon dioxyde. Wide of urban forest to be develop builded in Pasir Pengaraian of pursuant to Governmental Regulation of No 63 Year 2002 is 10 % from wide of town of Pasir Pengaraian ( 39.665 Ha) is 3.967 Ha, while wide of urban forest to be develop builded pursuant to absorbtion of carbon dioxyde of year 2008 is 3.095,99 Ha or 7,81 % from wide of town and in the year 2020 is 8.059,99 Ha or 20,32 % from wide of town of Pasir Pengaraian.