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All Journal MEDIA KONSERVASI JURNAL HUTAN TROPIS
Endes N. Dahlan
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education

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Lead Content in Leaves of Wayside Trees on Jalan Sudirman, Bogor Endes N. Dahlan; Yoyo Ontaryo; Umasda .
Media Konservasi Vol 2 No 4 (1989): Media Konservasi
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (674.845 KB) | DOI: 10.29244/medkon.2.4.%p

Abstract

Because automobiles emitted lead particles, plants grown at various distances from the road can be contaminated by air-borne lead particles. The deposition of lead particles on the leaf surfaces is defined as lead-adsorption and the entrance of lead particles into laaf tissues through stomata is defined as lead-absorption. The amount of Iead-adsorptLon is mearwed in washed-out water, whiie the amount of lead-absorption is measured in washed leaves.The amount of lead-adsorption is less than leadabmrption. Lead-absorption m old leaves iscommonly higher than in young leaves. The plants which belong to the highest class in lead adsopttioa and absorption are : Aidium gua/avc, Tennidia q p r r and Lugerstroemio specha; belonging to the high class is : Swktenia ntacrophylk to the medium class are : Mangifera indica and PterocerpusM a s ; to the low class are : Buuhinia pwpwea and Cmuagium odoratum, and belonging to the lowest class are : Rlicium decipiens, Olnariurn commune, Rcus hirta, Erythrina vanegata and ACP cia mrriculifomis.
ANALISIS HUBUNGAN LUAS RUANG TERBUKA HIJAU (RTH) DAN PERUBAHAN SUHU DI KOTA PALU Fatimah Ahmad; Hadi Susilo Arifin; Endes N. Dahlan; Sobri Effendy; Rachman Kurniawan
Jurnal Hutan Tropis Vol 13, No 2 (2012): Jurnal Hutan Tropis Borneo Volume 13 No 2 Edisi September 2012
Publisher : Lambung Mangkurat University-Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1489.544 KB) | DOI: 10.20527/jht.v13i2.1533

Abstract

Tujuan dari penelitian ini adalah untuk menganalis pola hubungan ketersediaan ruang terbuka hijau dengan suhu di Kota Palu. Metode penelitian adalah berdasarkan data ekstraksi dan analisis matematis. Beberapa hasil penelitian yang diperoleh (1) bahwa kurun waktu 13 tahun dari tahun 1997 sampai dengan tahun 2010 ditemukan bahwa ruang-ruang hijau terbuka menurun dari 48,86% menjadi 29,48%, (2) penurunan ruang-ruang hijau terbuka yang diketahui akan meningkatkan suhu udara maksimalsecara signifikan, dan (3) Persentase ideal hutan kota adalah 18 648 ha (47%) dari luas kota Palu.Kata kunci : ruang terbuka hijau, suhu
Co-Authors Fatimah Ahmad Hadi Susilo Arifin Rachman kurniawan Sobri Effendy Umasda . Yoyo Ontaryo