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All Journal JURNAL HUTAN LESTARI
Togar F Manurung
Fakultas Kehutanan Universitas Tanjungpura. Jalan Imam Bonjol Pontianak 78124
Agriculture, Biological Sciences & Forestry

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KEANEKARAGAMAN JENIS POHON FAMILI DIPTEROCARPACEAE DI HUTAN ADAT BUKIT BENUAH KECAMATAN SUNGAI AMBAWANG KABUPATEN KUBU RAYA Septria, Devie; Manurung, Togar F; Tavita, Gusti Eva
JURNAL HUTAN LESTARI Vol 6, No 1 (2018): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v6i1.23999

Abstract

Dipterocarpaceae is a group of pantropic plants which members are widely used in the timber field. Due to much exploitation, several important members of this tribe have entered the IUCN Red List as an endangered species. This study aims to obtain data information about the diversity of Dipterocarpaceae family tree species in the indigenous forest of Bukit Benuah Sungai Ambawang sub-district, Kubu Raya regency. The research method used in the analysis of vegetation in the field using survey method with a combination of tracks and lines technical in the track by placing the track of observation through the purposive sampling approach. The tracks used in the field are 8 paths with 76 plots of land in the observation area of 270.63 Ha. Based on research conducted in indigenous forest of Bukit Benuah Sungai Ambawang subdistrict, Kubu Raya regency, found 41 tree species from 430 individual tree level obtained during the research. Vegetation of 41 species is a recapitulation of 22 families and 34 genus. The species compositions found in indigenous forest Bukit Benuah are mostly dominated by trees with Dipterocarpaceae family with 125 individual trees. Dipterocarpaceae which is the dominated family has 5 genus including Dryobalanops, Dipterocarpus, Hopea, Shorea, and Vatica.Keywords: Dipterocarpaceae, Indigenous Forest, The Diversity
KANDUNGAN KLOROFIL DAUN PADA EMPAT JENIS POHON DI ARBORETUM SYLVA INDONESIA PC. UNIVERSITAS TANJUNGPURA Zakiyah, Miftahul; Manurung, Togar F; Wulandari, Reine Suci
JURNAL HUTAN LESTARI Vol 6, No 1 (2018): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v6i1.23821

Abstract

Photosynthesis is the process of changing inorganic compounds (CO2 and H2O) into organic compounds (carbohydrates) and O2 with the help of sunlight. Chlorophyll is a major factor affecting photosynthesis. Chlorophyll is a green pigment found in most plants, algae, and also cyanobacteria. The aim of this research was to know and compared the difference of chlorophyll content of 4 (four) tree species consisting of Fast Growing Species is Macaranga pruinosa & Acacia mangium and Slow Growing Species is Shorea seminis and Shorea balangeran at the Sylva Arboretum Indonesia PC. Universitas Tanjungpura. This research use Purposive Sampling method. The value of leaf chlorophyll content in each tree species were Macaranga pruinosa 41,63 (chlorophyll / mm2), Acacia mangium 50,21 (chlorophyll / mm2), Shorea seminis 59,09 (chlorophyll / mm2), and Shorea balangeran of 61.58 (chlorophyll / mm2). The average value of chlorophyll content in the fast growing species was 45.92 (chlorophyll / mm2) and in the group of slow growing species was 60.33 (chlorophyll / mm2). The difference of chlorophyll content in the group of Fast Growing Species and Slow Growing Species give a significant at 5% significance level to chlorophyll content. The chlorophyll value of the Fast Growing Species has a smaller chlorophyll content of 45.92 (chlorophyll / mm2) compared to the chlorophyll value of Slow Growing Species that was equal to 60,33 (chlorophyll / mm2). Difference in chlorophyll content in both groups are influenced by environmental factors such as light intensity, temperature and humidity.Keywords: Chlorophyll, Fast Growing Species, Slow Growing Species
Co-Authors Gusti Eva Tavita Reine Suci Wulandari Septria, Devie Zakiyah, Miftahul