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Nilai Indeks kerusakan pohon karet (hevea brasiliensis) di hutan rakyat kelurahan ujung gunung, kecamatan menggala, kabupaten tulang bawang.: The damage index value of rubber trees (Hevea brasiliensis) in rubber community forest Tulang Bawang Regency
No full textRubber (Hevea brasiliensis) is a tree species developed in community forests because it has dual benefits in the form of wood and sap. Therefore, the condition of damage to rubber trees needs to be known as a support effort to produce high sap production and the health of smallholder rubber plants. This study aimed to determine the index value of rubber tree damage in the community forest of Ujung Gunung Village, Menggala District, Tulang Bawang Regency. Data collection is done by calculating the tree damage index value through the damage location parameters (X), type of damage (Y), and the severity of tree damage (Z) using a circular plot with a radius of 17.95 cm following the annular plot in the FHM cluster plot design. The results showed that from 111 samples of observations, the index value of tree damage was in the range of 1.2 – 5.5. The damage index includes damage to the rootstock, upper and lower stems, branches, and leaves with cancer damage type, damaged leaves, and dead branches. The location of the dominant damage occurred in leaves with the type of leaf damage, shoots, or shoots damaged with damage index values ranging from 1.2 - 1.9. However, the most significant damage index value occurred in tree damage with the location of the damage on the trunk, type of cancer damage with a severity level of 57%. Thus, the location of the trunk with the type of cancer damage significantly affects the tree\u27s damage with the highest damage index value of 5.5, which can stop the tree from producing latex until death. Control measures can be taken by cleaning the remaining latex and applying fungicides to the stems. In addition, tapping that is organized and does not exploit can prevent damage to the stems.Karet (Hevea brasiliensis) menjadi salah satu jenis pohon yang dikembangkan di hutan rakyat karena memiliki manfaat ganda berupa kayu dan getah. Kondisi kerusakan pohon karet perlu diketahui sebagai upaya dukungan agar menghasilkan produksi getah yang tinggi sekaligus kesehatan tanaman karet rakyat. Tujuan penelitian ini adalah untuk mengetahui nilai indeks kerusakan pohon karet di hutan rakyat Kelurahan Ujung Gunung, Kecamatan Menggala, Kabupaten Tulang Bawang. Pengambilan data di lakukan dengan menghitung nilai indeks kerusakan pohon melalui parameter lokasi kerusakan (X), tipe kerusakan (Y) dan tingkat keparahan kerusakan pohon (Z) menggunakan plot berbentuk lingkaran berjari-jari 17,95 cm dengan metode purposive sampling berjumlah 4 plot. Hasil penelitian menunjukkan dari 111 sampel pengamatan, nilai indeks kerusakan pohon berada pada range IK antara 1.2 – 5.5. Indeks kerusakan tersebut meliputi lokasi kerusakan batang, daun dan cabang dengan tipe kerusakan luka terbuka, kanker, daun rusak dan cabang mati. Lokasi kerusakan dominan terjadi pada kode 09 (daun) sedangkan tipe kerusakan dominan terjadi pada kode 03 (luka terbuka) dan kode 24 (daun rusak). Adapun IK terbesar dengan skor 5.5 terjadi dengan formasi lokasi kerusakan 04 (Batang bagian bawah dan atas), tipe kerusakan 01 (kanker) dan tingkat keparahan 57%
Efektivitas Daun dan Buah Pinus merkusii sebagai Bahan Pengawet Anti Jamur Auricularia auricula-judae: Effectiveness of Pinus Merkusii Leaves and Fruits as Antifungal Preservative Auricularia auricula-judae
Get PDFChemicals such as chromium, arsenic, and kreosot which are carcinogenic and toxic which are harmful to health and the environment are generally used in wood preservatives. Thus, natural preservatives from plant extracts need to be developed to replace these synthetic preservatives. Pine leaves and nuts are known to contain phenolic compounds in which these compounds are known to inhibit the cycle and development of fungi. The purpose of this study was to analyze the efficacy of powdered leaves and pine nuts (P. merkusii) against rotting fungus Auricularia auricula-judae. This research method uses testing for water content, the extract is made by means of fruit and leaf powder each as much as 150 g is put into a beaker containing 900 ml of methanol solution with a ratio of 1:6 powder and methanol solvent, soaked for ± 3x24 hours, filtered until the filtrate is clear, and evaporated with a rotary vacuum evaporator. After that, the extract was evaporated again in a water bath at 45°C for 48 hours to dry. The yield is then weighed and calculated. Preparation of leaf and fruit powder concentrations. At concentrations of 25 ppm, 50 ppm, 75 ppm and 100 ppm. The efficacy test of P. merkusii leaf and fruit powder against rot fungi consisted of five treatments, with 45 petri dishes as samples and each treatment consisted of five replications. The results of the research that had been carried out obtained an AFA value of 100% indicating that the powdered leaves and fruit of P. merkusii had antifungal activity which was included in the very strong classification. At a concentration of 25% powdered leaves and pine nuts can already inhibit the growth of the fungus Auricularia auricula-judae.Bahan kimia seperti kromium, arsenik, dan kreosot yang bersifat karsinogenik dan beracun yang berbahaya bagi kesehatan dan lingkungan umumnya digunakan dalam bahan pengawet kayu mulai dibatasi penggunaannya. Dengan demikian, bahan pengawet alami dari ekstrak tanaman perlu dikembangkan untuk menggantikan bahan pengawet sintetis tersebut. Daun dan buah pinus diketahui mengandung senyawa fenol di mana senyawa ini diketahui mampu menghambat siklus dan perkembangan jamur. Tujuan dari penelitian ini adalah untuk menganalisis khasiat serbuk daun dan buah pinus (P. merkusii) terhadap jamur busuk Auricularia auricula-judae. Metode penelitian ini menggunakan pengujian kadar air, pembuatan ekstrak dilakukan dengan cara serbuk buah dan daun masing-masing sebanyak 150 g dimasukkan ke dalam gelas kimia berisi 900 ml larutan metanol dengan perbandingan 1:6 serbuk dan pelarut metanol, direndam selama ±3x24 jam, disaring hingga filtrat jernih, dan diuapkan dengan rotary vacuum evaporator. Setelah itu, ekstrak diuapkan kembali dalam waterbath bersuhu 45°C selama 48 jam hingga kering. Rendemen kemudian ditimbang dan dihitung. Pembuatan konsentrasi serbuk daun dan buah. Pada konsentrasi 25 ppm, 50 ppm, 75 ppm dan 100 ppm. Pengujian efikasi serbuk daun dan buah P. merkusii terhadap jamur pelapuk terdiri atas lima perlakuan, dengan 45 cawan petri sebagai sampel dan setiap perlakuan terdiri dari lima ulangan. Hasil Penelitian yang telah dilakukan diperoleh Nilai AFA 100 % menunjukkan bahwa serbuk daun dan buah P. merkusii memiliki aktivitas antijamur yang termasuk dalam klasifikasi sangat kuat. Pada konsentrasi 25% serbuk daun dan buah pinus sudah dapat menghambat pertumbuhan jamur Auricularia auricula-judae
Potensi Isolat Cendawan dari Serasah Mahoni dan Akasia sebagai Dekomposer
Get PDFThe potential for biodiversity, including microorganisms interacting with stands in the Unhas Educational Forest, has not been well investigated. The stand contains litter that has the potential to be used for the manufacture of organic fertilizer or compost. Efforts to develop organic fertilizers require basic information about the fungi that can potentially provide decomposers. The research method included taking acacia and mahogany leaf litter that had rotted around the plantation and then isolating the fungus using dilution and purification techniques. The collection of fungal isolates was then tested for lignocellulolytic enzymes. The results showed that the fungal isolates with the highest scores for chitinase, pectinase, and cellulase enzyme activity were isolated from mahogany stand litter (M4 10-3) (1) and acacia stand litter (A1 10-2) (2). The results of this study can be used to manufacture organic fertilizers with high nutrient content and can be applied to increase maximum plant growth.Potensi keanekaragaman hayati termasuk mikroorganisme yang berinteraksi dengan tegakan yang ada di Hutan Pendidikan Unhas belum banyak dieksplorasi. Tegakan tersebut memiliki limbah serasah yang berpotensi digunakan untuk pembuatan pupuk organik atau pupuk kompos. Upaya pengembangan pupuk organik memerlukan informasi dasar mengenai jenis-jenis cendawan yang berpotensi sebagai dekomposer. Metode penelitian meliputi pengambilan serasah daun akasia dan mahoni yang sudah lapuk di sekitar pertanaman selanjutnya dilakukan isolasi cendawan dengan teknik pengenceran dan pemurnian. Koleksi isolat cendawan selanjutnya diuji enzim lignoselulolitiknya. Hasil uji aktifitas enzim kitinase diperoleh 1 isolat cendawan dari tegakan mahoni yang memiliki skoring tertinggi (4) yaitu kode isolat (M4 10-3) (1) sedangkan pada tegakan akasia didapatkan 2 isolat yaitu kode isolat (A1 10-2) (2) dan (A4 10-2) (1). Hasil uji aktifitas enzim pektinase diperoleh 2 isolat cendawan dari tegakan mahoni yang memiliki skoring tertinggi (3) yaitu kode isolat (M4 10-2) (1) dan (M4 10-3) (1), sedangkan pada tegakan akasia didapatkan 1 isolat dengan skoring tertinggi (4) yaitu kode isolat (A1 10-2) (2). Hasil uji aktifitas enzim selulase diperoleh 2 isolat cendawan dari tegakan mahoni yang memiliki skoring tertinggi (4) yaitu kode isolat (M4 10-2) (1) dan (M4 10-3) (1), sedangkan pada tegakan akasia didapatkan 1 isolat dengan skoring tertinggi (4) yaitu kode isolat (A1 10-2) (2). Hasil penelitian ini dapat berpotensi digunakan dalam pembuatan pupuk organik yang mempunyai kandungan hara tinggi dan dapat diaplikasikan dalam meningkatkan pertumbuhan yang maksimal pada tanaman
KAJIAN VEGETASI MANGROVE DI KABUPATEN BUTON UTARA (STUDI KASUS DI KECAMATAN KULISUSU) : Study of Mangrove Vegetation in North Buton District (Case Study in Kulisusu District)
Get PDFOne of the areas in Southeast Sulawesi Province and its potential mangrove forest ecosystem is North Buton Regency. The mangrove forest ecosystem in North Buton Regency is one of the coastal natural resources that have an essential role in social, economic and ecological aspects; besides, it also has the primary function as a balancer for the ecosystem. Provider of various necessities of life for humans and other living creatures. This study aims to determine the critical value index and mangrove density index in Eelahaji Village and Waculaeya Village, Kulisusu District, North Buton Regency. The research approach method uses vegetation analysis to determine the critical value index and the vegetation diversity index. The results showed that there were 5 (five) types of mangrove species in Eelahaji Village and Waculaeya Village, namely Bruguiera gymnorrhiza, Rhizophora stylosa, Xylocarpus granatum, Heritiera littoralis, Bruguiera parviflora. At the seedling and tree levels, the highest INP and H\u27 in Eelahaji Village were B. gymnorrhiza, seedling INP level: 74; H\u27: 0.4; INP tree level: 96 and H\u27: 0.4.; The highest INP and H\u27 at the pole or sapling level were R. stylosa species, namely INP: 105 and H\u27: 0.4. The highest INP and H\u27 in Waculaeya Village at the seedling level and the pole or sapling level were the B. gymnorrhiza species, namely the seedling level INP: 82; H\u27: 0.4; at the level of piles or stakes INP: 97; H\u27: 0.4, while the highest INP and H\u27 tree levels were R. stylosa, namely INP: 100; H\u27: 0.4. INP (importance value index) and H\u27 (level of diversity) describe the density, frequency and dominance of mangrove vegetation in its ecosystem.Penelitian ini dilakukan pada bulan Oktober 2017 – Januari 2018, dengan tujuan untuk mengetahui indeks nilai penting dan tingkat kerapatan mangrove di Desa Eelahaji dan Desa Waculaeya, Kecamatan Kulisusu Kabupaten Buton Utara. Metode pendekatan penelitian menggunakan analisis vegetasi untuk mengetahui indeks nilai penting dan indeks keanekaragaman vegetasi. Hasil penelitian menunjukkan terdapat 5 (lima) jenis spesies mangrove di Desa Eelahaji dan Desa Waculaeya yaitu Bruguiera gymnorrhyza, Rhizophora stylosa, Xylocarpus granatum, Heriteria littoralis, Bruguiera parviflora. INP dan H’ tertinggi di Desa Eelahaji pada tingkat semai dan tingkat pohon adalah Bruguiera gymnorrhyza, tingkat semai INP : 74; H’ : 0,4; tingkat pohon INP : 96 dan H’ : 0,4.; INP dan H’ tertinggi tingkat tiang atau pancang adalah spesies Rhizophora stylosa, yaitu INP : 105 dan H’ : 0,4. INP dan H’ tertinggi di Desa Waculaeya pada tingkat semai dan tingkat tiang atau pancang adalah spesies Bruguiera gymnorrhyza yaitu tingkat semai INP : 82; H’ : 0,4; di tingkat tiang atau pancang INP : 97; H’ : 0,4, sedangkan tingkat pohon INP dan H’ tertinggi adalah Rhizophora stylosa, yaitu INP : 100; H’ : 0,4. Besaran INP (indeks nilai penting) dan H’ (tingkat keanekaragaman) menggambarkan tingkat kerapatan, frekuensi serta dominansi vegetasi mangrove dalam ekosistemnya
PEMANFAATAN DAN KONTRIBUSI KEMIRI (ALEURITES MOLUCCANA) SEBAGAI KOMODITI HHBK TERHADAP PENDAPATAN PETANI DI KECAMATAN BONTOCANI KABUPATEN BONE, SULAWESI SELATAN: The Utilization and Contribution of Candlenut (Aleurites Moluccana) as a NTFPs commodity Toward Farmers \u27Income in Bontocani District, Bone Regency, South Sulawesi
Get PDFNon-timber forest products (NTFPs) have recently had a more excellent economic value than timber forest products. Besides, NTFPs are very diverse. Candlenut (Aleurites moluccana) is one of the NTFP commodities with sufficient economic value to increase income for the communities around the forest. This study aims to determine the utilization and contribution of candlenut businesses to farmers\u27 farm income in Kahu Village, Bontocani District, Bone Regency. The collecting data was done through field observation and interview of 30 respondents. Primary data consists of respondent\u27s identity, condition of candlenut farming, plants other than candlenut, utilization of candlenut, selling price of candlenut, income other than candlenut, and costs incurred (including labor costs and equipment prices) during candlenut management. The results show that the utilization of hazelnut in Kahu Village included candlenut as a spice material and hazelnut as a fuel. As for contributions provided by the candlenut business (Aleurites moluccana) to farmers\u27 farm income in Kahu Village is 46% or Rp.216,333,749 per year.Recently, non-timber forest products (NTFPs) havea greater economic value compared to the timber forest products. Besides, NTFPs are very diverse
. Candlenut (Aleurites moluccana) is one of the NTFP commodities that has sufficient economic value to increase income for the communities around the forest. This study aims to determine the utilization and contribution of candlenut businesses to farmers\u27 farm income in Kahu Village, Bontocani District, Bone Regency. The collecting data was done through field observation and interview of 30 respondents. Primary data consists ofrespondent\u27s identity, condition of candlenut farming, plants other than candlenut, utilization of candlenut, selling price of candlenut, income other than candlenut, and costs incurred (including labor costs and equipment prices) during candlenut management. The results show that the utilization of hazelnut in Kahu Village included candlenut as a spice material and hazelnut as a fuel. As for contributions provided by the candlenut business (Aleurites moluccana) to farmers\u27 farm income in Kahu Village is 46% or IDR.
216,333,749 per yea
KETAHANAN API KAYU SENGON (Paraserianthes falcataria (L.) Nielsen) YANG DIAWETKAN DENGAN BAHAN PENGAWET BORAKS: Fire Resistance Of Sengon (Paraserianthes Falcataria (L.) Nielsen) Preserved With Borax
Get PDFWoods are easy to ignite by fire. Increasing fire resistance with fire retardants is needed to increase safety and reduce losses due to fire. This research aimed to determine the fire resistance of Sengon wood treated with preservation of borax with a concentration of 5%, 10%, and 15% by cold immersion for five days. The fire resistance test used the ASTM E69-02 standard, while the statistical analysis (ANOVA) of the test data used a Completely Randomized Design at the 95% confidence level and the LSD test (Least Significant Difference test). The results showed of the physical properties of Sengon wood, the average value of air-dry moisture content was 14.08%, air-dry density was 0.33g/cm3, and oven-dry density was 0.30g/cm3. In contrast, the LSD test showed a significant difference between the controls to the all-borax preservation treatments, but between 5%, 10%, and 15% borax treatments were not significantly different. The best fire resistance parameter values were found in the 15% borax treatment, with the retention of 38.04 kg/m3, burning intensity 12.58%, combustion time 437.5 seconds, and effectiveness of 4.76. The fire resistance effectiveness value of all equipment cannot meet the ASTM E69-02 standardWood as building raw materials still very needed, but flammability is one of the detrimental properties. Increasing fire resistance with Borax as fire retardants are needed to increase safety, reduce material and non-material losses due to the impact of fire. The aim of this study was to determine the properties of cold immersion of Sengon in Borax solution for 5 days with different concentrations as a fire retardant. Fire resistance testing used the ASTM E69-02 standard. ANOVA analysis with Completely Randomized Design at the 95% confidence level and LSD (Least Significant Difference) Test. The results showed that immersion Sengon with Borax solution with different concentrations had a significant effect. The average value of the air dry moisture content of the Sengon was 14.08%, the air dry density was 0.33g/cm3, the oven dry density was 0.30g/cm3, the highest Borax preservative retention was at a concentration of 15% of 38.04 kg/m3, the smallest burnst Intensity is 12.58% at 15% concentration, the lowest maximum combustion temperature is 210.1ᵒC at 10% concentration, and the smallest combustion time is 437.5 seconds at 15% concentration. In general, the cold immersion preservation treatment of 15% Borax solution shows the best fire resistance properties, although it still does not meet ASTM E69-02 standards
KUALITAS DAMAR POHON POOTI (HOPEA GREGARIA) BERDASARKAN UJI VISUAL, BILANGAN ASAM, DAN KADAR ABU: Quality of Pooti Dammar Resin (Hopea gregaria) Based on Visual Test, Acid Number, and Ash Content
Get PDFPooti (Hopea gregaria) is an endemic plant in Southeast Sulawesi that produces resin. But until now it has not been used because information about the quality of pooti resin has never been available. Therefore, this study aims to test the quality of pooti resin based on visual, acid number and ash content test. Pooti sap taken is on a tree with a diameter of 30 cm and a visual test is carried out based on SNI 2900-1-2012 and SNI 2900.2: 2013 for laboratory tests. The result is pooti resin with a clear yellowish color with a chunk size> 3x3 cm2, based on SNI 2900-1-2012 classified as Quality Class A. While the ash content value is 0.7% and the acid number is 29. This value indicates the ash content and acid number based on Laboratory tests are classified as quality class II based on SNI 2900.2: 2013.Pooti (Hopea gregaria) adalah tergolong tanaman endemik Sulawesi Tenggara yang menghasilkan damar. Tetapi sampai saat ini belum dimanfaatkan karena informasi tentang kualitasnya belum pernah ada.Oleh karena itu penelitian ini bertujuan untuk melihat kualitas damar Pooti berdasarkan uji visual , uji bilangan asam dan kadar abu. Metode penelitian yang digunakan adalah berdasarkan SNI 2900-1-2012 untuk uji visual dan SNI 2900.2:2013 untuk uji laboratorium. Hasilnya adalah damar Pooti memiliki warna bening kekuningan dengan ukuran bongkahan > 3x3 cm , berdasarkan SNI 2900-1-2012 tergolong kelas Mutu A. Sementara kadar abu nilainya 0,7% dan bilangan asam adalah 29. Nilai tersebut menunjukkan kadar abu berdasarkan uji laboratorium adalah tergolong kelas mutu II berdasarkan SNI 2900.2:201
PENGARUH VARIASI KADAR PEREKAT TAPIOKA TERHADAP KARAKTERISTIK BRIKET ARANG LIMBAH KAYU SENGON (Falcataria mollucana): The Influence of Adhesive Content Variation on the Characteristics of Sengon (Falcatataria moluccana) Wood Charcoal Briquettes
Get PDFBiomass waste that has not been utilized properly is wood waste from Sengon (Falcataria moluccana). There is a high potential for these wastes to be used as solid fuel. The quality can be further improved by converting them into charcoal briquettes. This study aimed to determine the effects of adhesive content on the bioenergetic properties of charcoal briquette from sengon wood wastes. Sengon wood waste charcoal was produced with a pyrolysis method at a temperature of > 500 ℃. The charcoal briquettes were produced by mixing charcoal powders with tapioca starch with 5%, 10%, and 15%. The mixed charcoal powders and adhesives were then put into a metal cast and pressed using a Universal Testing Machine (UTM) Testometric M500-50AT under compression of 2,59-5,17 N/mm2 and a target density of 0,5 g/cm3. Biomass briquettes from sengon wood particles were also produced for comparison. The results showed oven-dry density of 0,23-0,25 g/cm3 and 0,18-0,20 g/cm3, for charcoal briquettes and biomass briquettes, respectively. Higher adhesive content increased the density of briquettes. Charcoal briquettes were more hydrophobic than biomass briquettes (control), showing a lower moisture content than control samples. The results of proximate analysis of charcoal briquettes showed volatile matter of 24,96–31,80%; ash content of 3,16–3,24%; and fixed carbon of 58,68–66.40%. Higher adhesive content increased the volatile matter, moisture content, and ash content of the charcoal briquettes and decreased the fixed carbon. The charcoal briquettes have a calorific value of 25,68-27,35 MJ/kg (6.137,67- 6.536,80 cal/g), which is remarkably higher than the control. Higher adhesive content tended to decrease the calorific value of the charcoal briquettes. Lower adhesive content will produce briquettes with good bioenergy characteristics. Sengon wood waste charcoal briquettes with 5% adhesive content have great potential to be developed as an alternative energy source.Limbah biomassa yang belum dimanfaatkan dengan baik salah satunya adalah limbah kayu sengon (Falcataria moluccana). Limbah tersebut berpotensi untuk digunakan sebagai bahan bakar. Kualitasnya dapat lebih ditingkatkan dengan mengubahnya menjadi briket arang. Penelitian ini bertujuan untuk mengetahui pengaruh kandungan perekat terhadap sifat bioenergi briket arang limbah kayu sengon. Pembuatan briket dilakukan dengan mencampurkan serbuk arang dan tepung tapioka dengan konsentrasi 5%, 10%, dan 15%. Briket biomassa dari serbuk kayu sengon (tanpa pirolisis) juga diproduksi sebagai pembanding. Kerapatan briket kering oven adalah 0,23-0,25 g/cm3. Kadar perekat yang lebih tinggi meningkatkan kerapatan briket. Hasil penelitian menunjukkan bahwa briket arang lebih hidrofobik dibandingkan dengan kontrol. Hasil analisis proksimat briket arang adalah kadar zat terbang sebesar 24,96–31,80%; kadar abu 3,16–3,24%; dan karbon tetap 58,68–66,40%. Kadar perekat yang lebih tinggi meningkatkan kadar air, zat terbang, serta kadar abu dan menurunkan nilai karbon tetap. Briket arang memiliki nilai kalor 25,68-27,35 MJ/kg jauh lebih tinggi daripada kontrol. Kadar perekat yang lebih tinggi cenderung menurunkan nilai kalor briket arang. Kadar perekat yang rendah akan menghasilkan briket dengan karakteristik bioenergi yang baik. Briket arang limbah kayu sengon dengan perekat 5% sangat potensial untuk dikembangkan sebagai sumber energi alternatif
STATUS DAN PERUBAHAN INDIKATOR VITALITAS HUTAN KONSERVASI TAMAN HUTAN RAYA WAN ABDUL RACHMAN: Status and Changes of Forest Vitality Indicators in Forest Conservation Taman Hutan Raya Wan Abdul Rachman
Get PDFForests can provide many benefits both from an ecological, economic, and social perspective. These benefits can be achieved through sustainable forest management. Forest health is one of the criteria for sustainable forest management. Forest health can be assessed through monitoring forest health. One of the ecological indicators that can be used to monitor forest health is an indicator of vitality. This study aims to determine the value of status and changes in vitality indicators by using tree damage parameters and crown conditions. Status values and changes in vitality indicators are needed in order to make different forest management decisions. This research was conducted in Tahura Wan Abdul Rachman (Tahura WAR) Plant and Animal Collection Block using Forest Health Monitoring (FHM). This research was conducted twice, the first measurement was carried out in May 2019, and the second measurement was carried out in December 2020. The results showed that the value of changes in the vitality indicator tends to increase. The first measurement of the status of the vitality indicator 50% is in the "medium" category, 25% is in the "good" category, and 25% is in the "bad" category. The status of the vitality indicator in the second measurement is 50% in the "good" category and 50% in the "bad" category. This change can be caused by an increase in tree damage in each cluster plot. The management decision for the Tahura WAR Plant and Animal Collection Block is that it is necessary to change the management pattern
NERACA FISIK PEMANFAATAN AREN DI KABUPATEN SIDRAP SULAWESI SELATAN: Physical Accounts for The Utilization of Sugar Palm in Lombo Village Pituriase District Sidrap Regency, South Sulawesi
No full textSugar palm is one of the leading committees widely used by the community as their source of income. The community uses and strives for this palm only relies on palm trees that grow naturally on their land in the forest. One of the constraints on the utilization of palm is the lack of information about the number of initial reserves to the final reserves of the utilization of natural resources. This Research was located in Lombo Village, Pitu Riase Subdistrict, Sidrap Regency, South Sulawesi Province. This study aims to calculate the final supply of raw materials of palm juice and palm sugar based on the number of palm trees owned by farmers. The collected data was done through observation and interviews with farmers involved in the palm sugar business as many as 32 people using census data collection. Data analysis is conducted by calculating initial inventory, addition, depletion (usage), and final supply of palm juice and palm sugar. The results showed that the final reserve amounts of raw materials sap as much as 6,183,799.3 liters. This condition indicates that the final reserves of palm sugar are sufficiently available for this region, with the use of palm juice amounting to 17.2% of the total initial inventory. The addition of stock palm trees can be done by replanting saplings to ensure the continuity of the palm sugar business.Aren merupakan salah satu komiditi unggulan yang banyak dimanfaatkan oleh masyarakat sebagai sumber penghasilan mereka. Masyarakat memanfaatkan dan mengusahakan aren ini hanya mengandalkan pohon aren yang tumbuh alami di lahan miliknya ataupun yang tumbuh di hutan. Salah satu kendala pada pemanfaatan aren adalah kurangnya informasi mengenai jumlah cadangan awal hingga cadangan akhir dari pemanfaatan sumberdaya alam tersebut. Lokasi penelitian di Desa Lombo Kecamatan Pitu Riase Kabupaten Sidrap, Propinsi Sulawesi Selatan. Studi ini bertujuan untuk menghitung persediaan akhir bahan baku nira aren dan produk gula aren (gula batok) yang dihasilkan berdasarkan jumlah pohon aren yang dimiliki oleh petani. Metode pengumpulan data melalui observasi dan wawancara dengan petani yang terlibat pada usaha gula aren sebanyak 32 orang melalui pendataan secara sensus. Analisis data dilakukan melalui perhitungan persediaan awal, penambahan, deplesi (pemakaian) serta persediaan akhir nira aren dan gula aren. Hasil penelitian menunjukkan jumlah cadangan akhir bahan baku nira aren sebanyak 6.183.799,3 liter. Kondisi tersebut menunjukkan bahwa cadangan akhir gula aren cukup tersedia untuk wilayah ini dengan penggunaan nira aren sebesar 17.2% dari total persediaan awal