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All Journal Agroland : Jurnal Ilmu-Ilmu Pertanian JURNAL BIOLOGI INDONESIA
C. Kusmana
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Preferensi Ekologis Jenis-Jenis Tumbuhan Dominan di Gunung Endut, Banten Sambas, EN.; Kusmana, C.; Prasetyo, LB.; Partomihardjo, T.
JURNAL BIOLOGI INDONESIA Vol 9, No 2 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (160.323 KB) | DOI: 10.14203/jbi.v9i2.167

Abstract

Thirteen plant species of main vegetation alliances were detected upon their preferences on various abiotic factors,among them, six species had preferences on either soil or topographical factors, while four species only had preferenceson soil factors, and one species only on topographical ones. On topographical factors, there were six specieshad preferences most on average elevation and one species on minimum elevation of the research plots.Keywords : dominant plant species, ecological preferences, Mount Endut
PREFERENSI EKOLOGIS JENIS-JENIS TUMBUHAN DOMINAN DI GUNUNG ENDUT, BANTEN Sambas, EN.; Kusmana, C.; Prasetyo, LB.; Partomihardjo, T.
JURNAL BIOLOGI INDONESIA Vol 9, No 2 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i2.167

Abstract

Thirteen plant species of main vegetation alliances were detected upon their preferences on various abiotic factors,among them, six species had preferences on either soil or topographical factors, while four species only had preferenceson soil factors, and one species only on topographical ones. On topographical factors, there were six specieshad preferences most on average elevation and one species on minimum elevation of the research plots.Keywords : dominant plant species, ecological preferences, Mount Endut
INTERSEPSI HUJAN DAN PENGARUHNYA TERHADAP PEMINDAHAN ENERGI DAN MASSA PADA HUTAN TROPIKA BASAH ” STUDI KASUS TAMAN NASIONAL LORE LINDU” Abdul Rauf; H. Pawitan; T. June; C. Kusmana; G. Gravenhorst
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 15, No 3 (2008)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (230.262 KB)

Abstract

The field observation of this research was conducted from June 2005 – May 2007 in tropical rainforest at Lore Lindu National Park Central Sulawesi. The main objectives of this research  were to study  (i) the relationships between interception loss and rainfall properties and vegetation characters and to determine the dominant factors affected (ii) the effect of  rainfall interception on energy flux and mass transfer and  (iii) the dynamics of vertical energy flux under the forest and grass land. Rainfall interception was  36.34 % of gross rainfall in 200 events, Depth rainfall and LAI factors had strong effects on rainfall interception. The relationships could be expressed  as  Ic = 0.980+0.239P+0.035LAI  (R2 = 0.78).  The output of this equation was compared with Gash model and the observation value showed that deviation of the equation was  1 % and less than Gash model, so that equation gave as good result as Gash model gave. By considering the data requirements and calculation procedures it was concluded that this equation is applicable for interception prediction. Land use type had effects on  radiative and energy balance. Net radiation (Rn) in the forest was 10.66 MJ/m2/day and higher than  in the  grass land where incident global radiation was similar. Vertical latent heat flux in the forest was 9.53 MJ/m2/day or 89.40% Rn in rainy day and  8.41 MJ/m2/day or 74.56 % Rn in   dry day, on the other hand,  in the grass land, sensible heat flux was higher  than latent heat flux of all weather condition.  Direct effect of rainfall interception on energy flux  and mass transfer might be described that is needed latent heat 9.0 MJ/m2/rainy day to evaporate the rain intercepted of 3.69 mm/rainy day. Effect of rainfall interception had positive correlation with  latent heat flux and the negative correlation  with sensible heat flux.  
Co-Authors ABDUL RAUF G. Gravenhorst H. Pawitan Partomihardjo, T. PARTOMIHARDJO, T. Prasetyo, LB. Prasetyo, LB. Sambas, EN. Sambas, EN. T. June