Jurnal Warta Rimba
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ANALISIS SPASIAL TINGKAT PERAMBAHAN DI KAWASAN HUTAN LINDUNG KECAMATAN DOLO SELATAN KABUPATEN SIGI
Get PDFForest encroachment and both of its complexity and implication is a problem that faced not only an area/region but also all forest areas in the country, so that the encroachment has been a national scale problem that supposed to have serious attention especially to overcome it. Natural disaster such as flood, landslide that always happened in rainy season and often cause hundreds of unguilty victim. The research was to find out the result of interpretation and the width of protected forest encroachment, South Dolo Subdistrict Sigi Dictrict. The research applied supervised classification and NDVI (Normalized Difference Vegetation Index) analysis. The analysis used in the research was managing image digitally that used for image correcting, image band compositing, image cutting, image sharpening and clarifying. Based on the research it was found that the clarification result of land covering consisted of primary forest, secondary forest, opened lang, plantation and settlement. The map of land covering for the research had the accuracy level of 86%, meant that the map for the research fulfilled the standart of carefulness interpretation and very good for seeing the class of land covering type in protected forest of South Dolo Subdistrict Sigi District. The area of Protected Forest in South Dolo Subdistrict had density level with interval vegetation Index (NDVI) from -0,58 to 0.07 with 966,50 width or 100 % percentage. The result of scoring count showed that the result of NDVI with rare criteria was -0,58- 0,07 and the land use that consisted of forest with width of 26.947,79 ha (93,04 %) and encroachment rate of 180 and in the category of fair encroachment level, good managed land in width of 3.92,99 ha (1,35%) encroachment rate 240 with high encroachment level, and bad managed land with widht of 1.625,72ha (5,61 %) and encroachment rate of 300 was in the level of high encroachment, therefore the total width was 28.966,50 ha (100%).Keywords: Encroachment, Protected Forest, NDVI
VALUASI KONTINGENSI TERHADAP TUTUPAN TAJUK POHON AGROFORESTRI KAKAO (Theobroma Cacao,L) DI DESA MANTIKOLE KECAMATAN DOLO BARAT, KABUPATEN SIGI, PROVINSI SULAWESI TENGAH.
Get PDFThis research aimed to find out the rate of valuation contingency towards canopy cover of cocoa agroforestry trees in Mantikole village West Dolo, Sigi District. This research applied contingency method or technique (contingent valuation method CVM) which was a direct calculating way by asking peoples readiness (Willingness to pay,WTP) in gathering data through survey, sometimes it was done by doing interview. While Willingness to Accept (WTA) was individual first utility of goods and services before there was any variable and individual willingness to accept compensation if the goods and the services used by another individual or its utility was changed. The result of regression analysis (Y) economic value in Mantikole village was affected by living cost factor (0,86594901X1), canopy cover (-0,076211633X2), income (0,002719734X3), land area (-1,071470904X4), family members (-1,882253198X5), age (0,154847899X6). If it was tested in combination and simultaneously, X1 variable (living cost) significantly affected, while X2 variable (canopy cover), X3 (income), X4 (land area), X5 (family members), X6 (age) insignificantly affected economic value. So that, canopy cover valuation of cocoa agroforestry (Theobroma Cacao,L) in Mantikole village was 8,187,755 Rupiahs and WTA (willingness To Accept) was 756,500,000 Rupiahs. The result was gained from simultaneously analysis of multiple linear regression; Y= 16.96806933 + 0.86594901X1 – 0.076211633X2 + 0.002719734X3 – 1.071470904X4 – 1.882253198X5 + 0.154847899X6.Kata Kunci: Contingency Valuation, Tree Canopy, Agroforestry, Cocoa
KONDISI FISIK TANAH HUTAN MANGROVE DI DESA DOLAGO KECAMATAN PARIGI SELATAN KABUPATEN PARIGI MOUTONG
Get PDFThe objective of the research was to find out soil physical condition of Mangrove Forest in Dolago village South Parigi Subdistrict Parigi Moutong District. The research was conducted on January to March 2016 that located in Dolago village, South Parigi Subdistrict, Parigi Moutong District. The method of taking sample was purposive sampling, soil sample taken from each mangrove stand, the dominant ones were Sonneratia alba, Rhizophora sp and shifting between Sonneratia alba, and Rhizophora sp . The soil sample was analyzed in Agronomy Laboratory of Forestry Faculty of Tadulako University, and the measurement of mud depth was done in the location directly. The result of soil sample analysis from laboratory showed that soil pH on Sonneratia alba stand was 6,20, Rhizophora sp was 6,03 and shifting was 6, 10, The soil color on Sonneratia alba stand was dark grey, Rhizophora sp was dark grey and shifting between Sonneratia alba, and Rhizophora sp was very dark grey, the soil texture of the three samples under taken stands was dominated by clay sand, water salinity on Sonneratia alba stand was 2,9 ppt, Rhizophora sp 3,0 ppt, and shifting between Sonneratia alba, and Rhizophora sp was 2,8 ppt, and mud depth that directly measured on location showed that from the tree stands reached 78 cm height.Keywords: Physical condition, Soil, and Magrove Forest
KOMPOSISI JENIS VEGETASI HUTAN PADA KESATUAN PENGELOLAAN HUTAN PRODUKSI (KPHP) SIVIA PATUJU KABUPATEN TOJO UNA-UNA PROVINSI SULAWESI TENGAH
Get PDFForest area in Indonesia divided into Forest Management Unity units(KPH) for the implementation of efficiency and preservation of forest management. Research about the composition of forest vegetation species of Forest Management Unity at Sivia Patuku was conducted as an additional basic information in managing the forest preservely at Production Forest Management Unity Sivia Patuju. The objective of the research was to find out the composition of forest vegetation species at PFMU Sivia Patuju, Tojo Una-Una district Central Sulawesi Province. The research was conducted on February to March 2015. The research location was at Production Forest Management Unity Sivia Patuju. The method applied in the research was done based on technical instruction of forest inventory on the area of Protected Forest Management Unity and Production Forest Management Unity of Forestry Ministry. Plot sampling on inventory of Production Forest Management Unity was a square form, with size 100 m x 100 m or 1 Ha large. Each plot consisted of 16 sub-plot, which each plot had size 25 m x 25 m. On each sub-plot measured by standing parameters and growing places. The result showed that dominant vegetation species on tree level was Nyatoh (Palaquium sp.) on function of production and protected forest at Production Forest Management Unity Sivia Patuju with each INP value 84,39 % and 67,57%, while on function of Limited Production Forest, the dominant spcies was Sengon (Paraserianthes falcataria (L) Nielsen) with IVI (INP) 55,87%. The research gave information that the dynamic of composition of forest vegetation at Production Forest Management Unity Sivia Patuju obviously happened. The rejuvenescence will affect forest dynamic in the future. The higher in number or density, distribution and areal expansion of vegetation regeneration species, the possibility to be a tree will be higher.Keywords : Composition, Vegetation, KPHP Sivia Patuj
SIFAT FISIK DAN KIMIA TANAH PADA BERBAGAI KETINGGIAN TEMPAT DI HABITAT EBONI (Diospyros celebica Bakh.) DAS SAUSU SULAWESI TENGAH
Get PDFThe commercial utilization of ebony and the encroachment of its habitat to be converted into various community necessities have led to the decline of ebony species in their natural habitat. The physical and chemical properties of soil are a vital element of the habitat for the growth of vegetation, including in the ebony species. This study aimed to investigate the physical and chemical properties of soil at various altitudes in the Sausu Watershed, Central Sulawesi. This study was conducted in the Sausu watershed, Central Sulawesi, which is a natural dispersion area for ebony. Completed composite soil sampling was conducted at three altitudes, i.e., 100-<250 m asl, 250-<400 m asl and 400-550 m asl. Subsequently, the samples were analyzed at Soil Science Laboratory of Faculty of Agriculture, Universitas Tadulako. It was carried out from February to May 2015. The results indicated that the slope and back at various altitudes of the Sausu watershed have insignificant effect on the physical and chemical properties of soil in ebony habitat. The properties, including the soil texture, permeability, bulk density or soil porosity, soil chemical properties, demonstrate the acidity level of “sour to acid”. Meanwhile, the availability of organic-C, N, P, K is classified as very low, low and moderate. The criteria of CEC is moderate to high towards fertile soil, but accompanied with moderate and high C/N ratios and very low, low and high base saturation.Keywords: Diospyros celebica, the soil’s physical and chemical properties, Sausu watershed
BIOMASSA DAN KARBON POHON DI ATAS PERMUKAAN TANAH DI DATARAN TINGGI PADA KAWASAN TAMAN NASIONAL LORE LINDU (Studi Kasus Desa Sedoa Kecamatan Lore Utara Kabupaten Poso)
Get PDFGlobal warming is climate change caused by the concentration of greenhouse gas emissions in the form of CO2, CH4, and other forms of excess in the atmosphere. The gas comes from the burning of fossil fuels, forest fires, forest conversion and other activities that led to the reduction in vegetation cover (deforestation and degradation) which in turn causes a decreases in carbon sequestration. National park is a nature conservation area which has original ecosystem, managed by a zoning system which is utilized for research, science, education, cultivation support, tourism and outdoor recreation. National park laid out in the core zone, wilderness zone, and the utilization zone. The aim of this research was to determine the large amount of biomass and carbon stored in the trees the surface of land in the highlands of Lore Lindu National Park, Sedoa Village, Sub-district Lore Utara, District Poso. The collection of sample data using plot biomass samples were analyzed using alometric equations. From the results of biomass of trees in the surface of land at an altitude plot of 1200 meters Lore Lindu National Park is 8708,47 tons/ha. At an altitude plot of 1400 meters Lore Lindu National Park is 4922,28 tons/ha and at an altitude plot of 1600 meters Lore Lindu National Park is 3454,8 tons/ha. Carbon trees in the surface of land at an altitude plot of 1200 meters Lore Lindu National Park is 4354,24 tons/ha. At an altitude plot of 1400 meters Lore Lindu National Park is 2461,14 tons/ha and at an altitude plot of 1600 meter Lore Lindu National Park is 1729,9 tons/ha.Key Words: Biomass, Carbon, National Parks, Lore Lind
KEARIFAN MASYARAKAT LOKAL SUKU LAUJE DALAM PENGELOLAAN HUTAN DI DESA BAMBASIANG KECAMATAN PALASA KABUPATEN PARIGI MOUTONG
Get PDFSociety wisdom or local wisdom is human positive behavior in interacting with nature and environment that derives from religion, customs, ancestor advice or local culture value. It occurs naturally in a community to adapt with environment. This behavior developed to a culture in a region and passed on from generation to generation. In general, local culture is defined as culture that developed in a region and the elements are culture of tribes that live in that region. Lauje tribe that live in Bambasiang Village is a community with a great culture identity which covered language and religion system that little different with tribes that live in other district. Objective of the research is to find out local wisdom of Lauje tribe in forest management. Method of the research is descriptive with using snowball sampling method. Based on the research result, the local wisdom of lauje tribe in forest management is still implementing their ancestor faith that already hereditary carried out. Although they manage the forest, they still keep the balance of nature for sake of their survival in the future.Key words: society, forest, Bambasiang Villag
ANALISIS FITOKIMIA EKSTRAK KAYU EBONI (Diospyros celebica Bakh.)
Get PDFThe purpose of this study was to determine the resistant-termite activity through phytochemical analysis with color test methods and compounds from the extracts of ebony. The results of this study are expected to provide early information about the biological activity of extracts of ebony as a natural anti-termite and the possibility of its utilization as a natural preservative in wood preservation. Ebony (Diospyros celebica Bakh.) have a 1th durable class and 1th strong class. Ebony is the endemic species in Central Sulawesi. The methods of maceration ebony powder, extract ethanol, extraction and fractionation and phytochemical analysis through tests of alkoloid, flavonoid, terpenoid, tannin, saponin, steroid, carotenoid and cumarin were applied in this research. The results showed that the extract of ebony contains alkaloids in acetone, n-hexane, ethyl acetate, acetone and methanol. Flavonoid compound was found only in the solvent n - hexane. Tannin compound only on the solvent of ethyl acetate. Saponin compound contained in the acetone and methanol solvents. Steroid compound contained in the acetone and methanol solvents. Carotenoid compound is unfound in all solvents. Carbohydrate compound found only in ethanol. Terpenoids compound found in the acetone and methanol solvents. Cumarin compound contained only in n - hexane.Key words : anti termite, extractive, eboni wood, phytochemical analysis
POLA PENYEBARAN JENIS BURUNG DI KAWASAN HUTAN DESA NAMO KECAMATAN KULAWI KABUPATEN SIGI
Get PDFBird is fauna that can be found from low land up to the upland. The widespread has made birds as potencial natural wealth source of Indonesia. Sulawesi is an area which has a large number of endemic species, and the most various one in Wallacea area. Besides its role as an ecosystem balance, bird is also an indicator of environmental change. The forest area of Namo village was one of the bird habitats of primary foreSigi District. The objective of the research was to find out the spread pattern of birds species in the forest of Namo village Kulawi subdistrict Sigi District. The method applied was Point Index Of Abundance (IPA-Count). The data Analysis was done by using Morisita Index (I ), the research applied random method by eight spots. The research was conducted on December 2015 up to the month of February 2016, it was locatec in forest area of namo village Kulawi Subdistrict Sigi District. Based on the result of the research it showed that there were 19 species that represented 13 families in populationof 50 individual. Morisita Index (I ) found that there were 9 species of birds with group spread pattern and only 3 species with similar spread pattern, beside that there were 7 species which spread pattern could not be analized because of individual abundance of each species within one individual.Keywords: Distribution, Birds, Fores
PENGARUH KONSENTRASI ROOTONE-F TERHADAP PERTUMBUHAN STEK BAMBU KUNING (Bambusa vulgaris Schrad)
Get PDFCultivation of yellow bamboo still less done IN Palu city. So that , yellow bambu needed to be cultivated. One of the ways to cultivate yellow bamboo is steak. The root growth of yellow bamboo steak (Bambusa vulgaris Schrad) can be stimulated by using Rootone-F substance of growing regulator. The aimed of the research was to find out the effect of Rootone-F to the growth of yellow bamboo steak (Bambusa vulgaris Schrad). The research was conducted on February up to the month of April 2015, that was located in seedbed of Labuan Toposo village Labuan subdistrict. The Research Method applied was Completely Randomdized Design (CRD) which consisted of four treatments M0 = (no treatment), M1= Rootone-F 100ppm, M2 = Rootone-F 200ppm, M3 = Rootone-F 300ppm. Each treatment repeated six times that all needed 24 unit experiments. The variant analysis was done to find out the treatment that tangible and intangible effected, the smallest real difference tes would be done on level 5% if it was tengible. The result of the research showed that Rootone-F substance of growing regulator treatment had tengible effect to accretion of shoots high, number of leaves, stem diameter and root length While intangible affected shoots accretion. The growth was l3sheets, stem diameter was 0,10 mm, number of shoots was 1,33and root lenght was 28,41 cm, then followed by M2 with shoots high everage was 58,03 cm, leaves number was 12,50 sheets, diameter was 0,11 mm, shoot number was 1,17 and root length was 14,35 cm. M3 treatment with 57,03 cm tall, leaves number 11,17 sheets, stem diameter 0,07 mm, bud numbers 1,00 and root length 17,65 cm, moreover the lowest one was on M0 with shoots tall 16,37 cm,leaves number was 4,83 sheets, stem diameter was 0,06 mm, shoots 1,00 and root length was 7,28 cm.Keywords :Bambusa vulgaris Schrad, Rootone-