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All Journal Ecotrophic, Journal of Environmental Science E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology)
Komang Arthawa Lila
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Agriculture, Biological Sciences & Forestry Environmental Science

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PERANAN TANAMAN PENGHIJAUAN ANGSANA, BUNGUR, DAN DAUN KUPU-KUPU SEBAGAI PENYERAP EMISI PB DAN DEBU KENDARAAN BERMOTOR DI JALAN COKROAMINOTO, MELATI, DAN CUT NYAK DIEN DI KOTA DENPASAR Luh Komang Sulasmini; M.S. Mahendra; Komang Arthawa Lila
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 2 No 1
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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The aim of this study was to observe the role of green trees to air quality in Denpasar City. Theresearch locations were at Cokroaminoto, Melati, and Cut Nyak Dien streets, during February 2006 to July2006. The sample plants were: angsanas, timber, and purple orchid leaf. Statistical analysis was conductedby applying double linier regression and anova test.The result showed that the highest total vehicle number (11.573 and 3.330), noise level (72,75 dB),air Pb concentration (0,313 ?g/m3), concentration of particulates (244 ?g/m3), temperature humidity index(27,45), wind speed (1,44 m/second), humidity (70,77 %), type and number of trees were observed atCokroaminoto street (26 types and 866 trees), whilst the lowest values were at Cut Nyak Dien street (7 typesand 121 trees). The highest temperature was observed at Melati street (29,25 oC) and the lowest was at Cut Nyak Dien street (28,51 oC). From the three places observed, the highest number of trees, height of tree, andwidth of crown were on angsanas tree (439 trees; 7,07 m; dan 8,7 m) and the lowest value was calculatedon purple orchid leaf (14 trees; 4,60 m; dan 5,8 m). On the other hand the highest leaf wide was on timber(131,550 cm2) and the lowest on angsanas (42,745 cm2). Concentrations of Pb leaves were calculated asfollows: angsanas 13,228 mg/kg; timber 13,208 mg/kg; purple orchid leaf 12,897 mg/kg, respectively.Statistical result showed that total plants, total motor cycle and total four wheels vehicles was notpartially or simultaneously affected air Pb and air dirt concentrations. Height of tree, width of leaves andwidth of crown did not affect leaves Pb concentration both partially and totally to leaves Pb. Based onlocation, it can be concluded that there was no difference of air dirt and air Pb concentration, but there isdifference in leaves Pb. Based on type of trees there was no significant difference on leaves Pb contentamong trees type, it means that every tree has similar ability in absorbing Pb.
Evaluasi Indeks Kenyamanan Taman Kota (Lapangan Puputan Badung I Gusti Ngurah Made Agung) ROHMAN HADI; KOMANG ARTHAWA LILA; I GUSTI ALIT GUNADI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol. 1, No. 1, Juli 2012
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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ABSTRACT The Comfort Index Evaluation of a City Park: Case Study of Puputan Badung I Gusti Ngurah Made Agung Square, Denpasar - Bali Puputan Badung Square besides of its historical value, it also has an important role as a balance to the city landscape in the form of green open space. It is therefore necessary to evaluate the comfort index of Puputan Badung Square. The purpose of this study is to see the thermal comfort index at Puputan Badung Square, which serves as a city park of Denpasar. The study also sees how vegetation cover has effect on the comfort index in Puputan Badung Square. Moreover, the thermal comfort aspect from the perception of visitors is also measured. The comfort index of this study is measured by using the Thermal Humidity Index (THI) method. The study site is divided in grids of 24 sample plots. The visitors’ perception data of thermal comfort are tabulated, calculated, and tested by using the percentage (%) method and chi square test. The thermal comfort index in Puputan Badung Square shows that the values in May 2012 can be categorized as comfortable. The thermal comfort index in this case besides being affected by the microclimate, it is also affected by the dominance of trees in the observation plots. Keywords: city park, green open spaces, comfort index,
Co-Authors I GUSTI ALIT GUNADI Luh Komang Sulasmini M. Sudiana Mahendra ROHMAN HADI