JURNAL HUTAN LESTARI
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PERSEPSI MASYARAKAT TERHADAP KONVERSI LAHAN MENJADI PERKEBUNAN KELAPA SAWIT DI DESA NANGA TAYAP KECAMATAN NANGA TAYAP KABUPATEN KETAPANG
Get PDFThe land conversion into oil palm plantations creates perception in the community. The aim of this research is to examine community perceptions on the conversion of land to oil palm plantations in Nanga Tayap Village, Nanga Tayap Sub-District, Ketapang District, and to examine the correlation between factors that influence communities on the conversion of land into oil palm plantations. Factors that influence the perceptions are: (1) level of knowledge (2) income and (3) land area. The researcher applied a descriptive analysis and inferential analysis using Pearson’s correlation test, in which each was given the score and observation result in Likert scale. The results of this research indicate peoples’ perceptions on the conversion is positive with frequency value of 34 (47.89%), the correlation between the level of knowledge and land area is significantly positive, it gives a significant value to the community perceptions towards the conversion of land into oil palm plantations. Whereas, community perceptions and income level correlation is positive but insignificant. It shows that as community get their high income from the conversion, their perceptions towards the conversion of land into oil palm plantations would be affirmative.Keywords: Community, Land Conversion, Oil Palm Plantation and Perceptio
KEANEKARAGAMAN JENIS MERANTI (Shorea spp.) PADA AREAL IUPHHK- HTI PT. BHATARA ALAM LESTARI KABUPATEN MEMPAWAH KALIMANTAN BARAT
Get PDFDiversity Of Meranti Species (Shorea spp.) In The IUPHHK-HTI Area PT. Bhatara Alam Lestari Mempawah Regency West Kalimantan. Meranti is a commercial tree species, meranti timber market is not limited only to domestic market but also international market, although meranti has become important commodity of forest product, but until now its production still relies on natural forest. The purpose of this research is to know the diversity of meranti species. The object of the study was the type of meranti (Shorea spp.) and the type of vegetation found in the observation plot. This research was conducted at IUPHHK-HTI area of PT. Bhatara Alam Lestari. Determination of plot and line of meranti species diversity in the field was using mixed method. The results showed that there are 4 types of meranti namely meranti batu, meranti bunga, meranti seraya and meranti sibo. The dominance index (C) at the growth rate of seedlings, saplings and trees has a low average value of less than 0.5, so it can be said that the spread of vegetation species is not concentrated in one particular species but spreads in all species. Result of Species Diversity (H) Compiler shows more than 1 (H 1 <H <3) value for all levels of vegetation growth means that species diversity (H) less than 1 (one) means species diversity in low or non-diverse transects. Result of Abundance (e) vegetation in general that Abundance of all growth rates of seedlings, saplings, poles and trees show the value (e) less than 1 means that all species are unequal abundance at each growth rate within a forest area.Keywords: Abundance, Diversity, Meranti
PERILAKU HARIAN ORANGUTAN (Pongo pygmaeus) SETELAH DILEPASLIARKAN DI HUTAN LINDUNG GUNUNG TARAK KABUPATEN KETAPANG KALIMANTAN BARAT
Get PDFOrangutans are the great apes that is only living in the continent of Asia. They consist of 3 species, namely Pongo pygmaeus, P. abelii, P. tapanuliensis. This has prompted much research to study about Pongo spp. However, the aim of this research is to study the daily behavior of the Borneo orangutan (P. pygmaeus) after released into its natural habitat. This research was conducted in The Protected Forest of Tarak Mountain, Subdistric of Nanga Tayap, Ketapang, West Kalimantan. The observation was done at 05.00 – 06.00 am until 16.00 – 17.00 pm, for 7 days. The results showed that the dominant activity of orangutan were eating and defecation in the morning, and nesting, moving and resting in the afternoon. Orangutan are groom when they are feeding or resting. Based on that, there was difference of orangutan behavior between after released in the nature habitat with orangutan behavior is rehabilited. This become important information about orangutan as the early efforts to conserve this species exspecially orangutan after released into nature forest.Keywords: Bornean Orangutans, Daily Behavior, Focal Animal Sampling, Protected forest of Mt Tara
KARAKTERISTIK TEMPAT PENELURAN PENYU SISIK (Eretmochelys imbricata) DI RESORT SUNGAI PERLU TAMAN NASIONAL TANJUNG PUTING
Get PDFThe Population of Hawksbill Sea turtles (Eretmochelys imbricata) is still declining even though their status as a protected animal and a rare marine resource, Human activities in hunting both the Hawksbill Sea turtles and their eggs have caused severe declines in populations, beside that the damage of their habitat and nest caused due to changing of landscape. The propose of this research is to get the nest characteristic data of Hawksbill Sea turtle at Tanjung Puting National Park, Management National Park II - Kuala Pembuang, Sungai Perlu Resort, Central Kalimantan, with research time in the field for about a month and research method purposive sampling, based on turtle’s nest habitat. The requiring data on this research are physical data (the nest beach) and biological data the nest beach characteristic (the long, slope, and width of coastal, the temperature and size of sand, and the closest coastal vegetation to the nest). The results of this research are made as narrative, diagram and image. The location of this research is east coastal (around Sungai Ranggau, Sungai Leger, Sungai Batang Behalang Kecil) with 7 km of width, the width of beach supratidal on nest between 2.5 to 39.4 m, the coastal slope 3.0o - 7.5o, the amount average of temperature 28.80˚C, the dampness 84.53%, subtract texture occurred in Nest 1 is 64.7% on shaker level smooth type. The dominant coastal vegetation is australian pain tree (Casuarina equisetifolia), the easiest discovered predators are monitor lyzard (Varanus salvator), White-bellied sea eagle (Haliaeetus lecogaster, Haliastus indus), and ghost crab (Ocypode cursor).Keyword: Eretmochelys imbricata, Hawksbill Sea turtle, Kuala Pembuang - National Park II-TNTP, Nest
KEANEKARAGAMAN POHON PENGHASIL BUAH DI HUTAN SEKUNDER PADA AREAL IUPHHK-HTI PT. BHATARA ALAM LESTARI KABUPATEN MEMPAWAH
Get PDFThe puposes of this research is to examine the diversity of fruit-producing trees that can be consumed. The object of this research are all fruit-producing trees in the plot or observation path, which is the limitation is the fruits that can be consumed by human. This research have been done at IUPHHK-HTI PT. Bhatara Alam Lestari. The printed path has been used to determine the plots and observation paths of fruit-producing trees diversity that can be consumed on the ground. The result of the research found that there are 12 kinds of tree producers offorest fruit consumption, they are asam-asam, cempedak hutan, durian hutan, jungkang, kandis, kelampai, keranji, medang asam, nyatoh/sangai, petai hutan, rambutan hutan, ubah. The value of the dominant index (C) at the research area is quite poor, because the value of the dominant index from all the lane is not reached the highest index value of dominance yet (C-1). This indicates that the community not found one or two tree producing fruit consumption who dominated on a community forest secondary , while index value diversity its kind low because less than the value 1 , this showed that on a community many those kinds of composing under each organizations research is low. To value index provided the global financing of other firms ahmad abundance of offerings shared with or far higher than those, because the pattern of spreading on this community can be equally on each its kind.Keyword: Diversity, tree producing fruit, secondary fores
ANALISIS ANGKA KONVERSI PENGUKURAN KAYU BULAT DI AIR UNTUK JENIS MERANTI (Shorea spp)
Get PDFThe determination of the conversion rate (1.04) for certain types of wood still contains weaknesses, this is caused by bontos diverse forms. Where the measurement results will be very different for logs that have bontos cylindrical shape with a cylindrical timber that is not or has buttresses. It is necessary for research that aims to determine how much the conversion rate measurement volume of logs in the water compared to the measurement volume of logs on land for Meranti (Shorea spp). Logs were observed and measured the average diameter of at least / lowest is 60 cm by 50 stems. Implementation of measurement include: measuring the length of logs on land and in water, measuring the diameter of logs on land and in water as well as the determination of the volume of logs on land and in water. From the results of statistical analysis using the t test in one direction, the result is greater than the figure of 2.17 t tables for 5% significance level = 1.67 and smaller for a very real level of 1% is 2.40, which means that Ho is rejected on the the real rate of 5%, which means that the diameter measurements on land and in water / river for Meranti (Shorea spp) influence the treatment of the measurement method because it produces a real difference.Keyword : Conversion Rate, Grading, Log, Shorea sp
SIFAT FISIK DAN MEKANIK PAPAN ORIENTED STRAND BOARD DARI API-API PUTIH (Avicennia marina) DAN BAMBU AMPEL (Bambusa vulgaris)
Get PDFThe objective of this research is to know the effect of raw material type and composition on physical and mechanical properties of Orient Strand Board of Avicennia marina and Bambusa vulgaris, to know the type and composition of the best materials that meet JIS A 5908 - 2003. The materials used in this research are Avicennia marina and Bambusa vulgaris, phenol formladehida (PF) adhesives and liquid paraffin. The treatment in this research is raw material consisting of Avicennia marina/Bambusa vulgaris, Bambusa vulgaris/Avicennia marina, Avicennia marina and Bambusa vulgaris, with raw material composition 50/50%, 60/40% and 70/30%. OSB boards are made measuring 30 cm x 30 cm x 1 cm with a target density of 0,75 gr/cm3 forged hot with a temperature of 160 º C for 7 minutes. The parameters tested in this study include physical properties (density test, moisture content, swelling in thickness and water absorption), mechanical properties (modulus of elasticity, modulus of rupture, internal bonding and screw holding power) and retention strength. The results showed that the type of raw material had an effect on the moisture content, MOE, MOR, IB and screw holding power, but did not affect the density, water absorption and , swelling in thickness. Treatment of raw material composition influenced moisture, MOE and MOR, but did not affect the density, water absorption, swelling in thickness, IB and screw holding power. The interaction of both factor and raw material composition influenced the value of water content, water absorption, swelling in thickness, MOE and MOR, but did not affect the density, IB and screw holding power. Based on the results of the research can be seen that the mixture Bambusa vulgaris/Avicennia marina with 70/30% composition is the best OSB and meets the standard JIS A 5908-2003 Base Particleboard Type 24-10. Keywords: Avicennia marina, Bambusa vulgaris, Oriented Strand Board, Physical Properties and Mechanical
POTENSI DAYA TARIK WISATA ALAM RIAM SUNGAI MANAH DI DESA SUNGAI MUNTIK KECAMATAN KAPUAS KABUPATEN SANGGAU
Get PDFSungai Muntik is an area in Kapuas Sub district, Sanggau Regency, West Kalimantan Province. According to Decree number 5389/Menhut/VII/KUH/2014 about the appointment of forest area in Kalimantan Island, it is stated that Manah River Cascade is located in the area of limited production forest (HPT) of Tinjil Mountain in Sungai Buayan, Sanggau Regency. This research aims at identifying the potential of tourist attraction at Manah River Cascade in Sungai Muntik. Data gathered for this research involved tourist attraction, accessibility, socio-economic condition, accommodation, infrastructures and facilities, and the availability of clean water. This all was conducted to follow the guidelines of tourist attraction analysis, so-called ODTWA (2003). It was analyzed by using a scoring method and formulation of S = NxB. The data was gathered through questionnaires and direct observations. Based on the data analysis, the total score of each criteria was 3384.72 which meant good “B” to be developed as a tourist object in Manah River Cascade.Keywords: Fauna, Flora, Manah River, Natural Tourist Attractio
SIFAT FISIK-MEKANIK PAPAN PARTIKEL DARI LIMBAH FINIR BERDASARKAN JUMLAH LAPISAN DAN KERAPATAN
Get PDFThis research was aimed to examine the physical and mechanical properties of particleboard from veneer waste based on number the layers and density, and to obtain the number of layers and density to fullfill the JIS A 5908 : 2008 type 8 standard. This research were conducted at Wood Workshop Laboratory, Wood Processing Laboratory Faculty of Forestry, and PT. Duta Pertiwi Nusantara Laboratory. The materials used were veneer waste, urea formaldehida adhesive type 02 C, liquid, and paraffin. The method used in this research were a factorial experiment in random design complete (RAL) with two factors is factor A (number of layers) consist of single layer particleboard and three layers particleboard, and factor B (density) consist 0,6 g/cm3, 0,7 g/cm3, and 0,8 g/cm3. Particleboard size were 30 cm x 30 cm x 1 cm and pressed at 1650C for 6 minutes with pressure 30 kg/cm2. The results of the research showed that density, moisture content, thickness swelling (single layer and three layers particleboard 0,6 g/cm3 density), MOE (single layer particleboard 0,8 g/cm3 density), MOR, internal bonding, and screw holding strength fulfill JIS A 5908 : 2003 type 8 standard. The best particleboard is single layer particleboard with density 0,8 g/cm3. Keyword : density, number of layers, particleboard, veneer waste
SELEKSI POHON PLUS TENGKAWANG TUNGKUL (Shorea stenoptera Burck.) DI DESA SUNGAI LAWAK KECAMATAN NANGA TAMAN KABUPATEN SEKADAU
Get PDFTengkawang tungkul (Shorea stenoptera Burck.) in Sungai Lawak Village, Nanga Taman Sub-District of Sekadau regency has high potency and economic values. Selection of tengkawang tungkul plus tree is the first step towards obtaining stock for developing clonal and seedling orchards of superior phenotypes. The purpose of this research was to obtain plus tree of tengkawang tungkul. The research was done with survey method with exploration technique. Exploration done randomly of tengkawang tungkul and compared with comparison trees as the basis for determining the prospective plus tree. The results showed 16 individuals was identified as plus tree with 96 trees as a comparison. There were 9 trees which have the highest score of 75. The average tengkawang tungkul has a good phenotype, such as the total height of trees with a score of 20, height free branches with a score of 15, diameter with a score of 30, canopy area with a score of 10.Keywords: plus tree, selection, tengkawang tungku