Jurnal Warta Rimba
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KEANEKARAGAMAN DAN MORFOLOGI JENIS BAMBU DI KAWASAN CAGAR ALAM TANJUNG API KABUPATEN TOJO UNA-UNA
The Tanjung Api Nature Reserve area is in the Ampana Kota and Ampana Tete sub-districts, Tojo Una-Una Regency. Information about the diversity and morphology of bamboo species in the region is still limited so the purpose of this study is regarding the diversity and morphology of bamboo species, this research was conducted in July to August 2018. The method used was purposive sampling. Data collected are local names, scientific names, number of families, number of individuals, and morphology. Data were analyzed using the Species Diversity Index (H). The results showed that the diversity of bamboo species in the Tanjung Api Nature Reserve area was classified as low with a species diversity index (H ') value of 0.85. Three types of bamboo were found, namely bamboo Rat (Dinochloa scandens (Blume ex Nees) Kuntze) with purple shoot morphology, reed height reaching 20 m or more, segment length 20-25 cm with a diameter of 0.8-2.5 cm, leaves 11- 23 x 1.4-4.9 cm. Bamboo Tellang / Plate (Bambusa chunggii McClure) with yellow bamboo morphology, reed height reaches 8-15 m, length 35-50 cm long 8-10 cm in diameter, leaves 20-40 × 4- 7 cm. And bamboo Tuih (Bambusa sp) with green shoot morphology, reed reaching 7-12 m high, segment 65-75 cm 1-3 cm in diameter, leaves 18.5 27.5 × 2.2 4 cm.Keywords: Bamboo Diversity, Morphology, Tanjung Api Nature Reserv
PENGGUNAAN CITRA SENTINEL 2A UNTUK ANALISIS TUTUPAN LAHAN DAN KERAPATAN VEGETASI DI SUB DAS SALUBI
Land cover and vegetation density are important information needed in watershed management activities (planning, utilization, supervision and control). Remote sensing technology has been widely used to produce information on land cover and vegetation density due to the availability of multitemporal, multispectral data with high spatial resolution. The purpose of this research is to determine land cover and vegetation density using sentinel 2A imagery in the Salubi sub-watershed. The research was conducted in the Salubi sub-watershed, Central Sulawesi Province. Research activities include digital image analysis using unsupervised classification techniques and NDVI (Normalized Vegetation Index), field measurements and accuracy tests (confussion matriks). The results show that the land cover consisted of 45.61% forest (643.09 Ha), 36.66% (516.81 Ha) mixed dryland agriculture, 10.72% paddy fields (151.11 Ha), shrubs 2.8 % (36.41 Ha), water bodies 1.62% (22.84 Ha), bare land 0.99 % (13.95 Ha), settlement 0.98 % (13.87 Ha), grassland 0.84 % (11.79 Ha), with an accuracy of 90 % (overall accuracy) and 89.54 % (kappa accuracy). Vegetation density consists of high 79.48% (1,120.61 Ha), medium 15.52% (218.86 Ha), low 4.15% (58.53 Ha), non-vegetation 0.84% (11.87 Ha
KESIAPAN KELEMBAGAAN DALAM PENGELOLAAN HUTAN DESA DI DESA UEMEA KECAMATAN TOILI KABUPATEN BANGGAI
This study aims to determine institutional readiness in village forest management. This research was conducted from April to May 2020, in Uemea Village, Toili Sub-District, Banggai District, Central Sulawesi Province. This sampling was based on certain criteria, according to the research to be achieved. The selection of respondents in this study were 30 people and based on the consideration that the respondents were stakeholders or groups of village forest management institutions, forest communities and who were directly involved in forest management. This make it easier for researcher to explored the object or social situation under study. The result of this reasearch showed that the readiness of LPHD in village forest management was in the medium category. The organizational aspects, availability of human resources and the knowledge of LPHD management were in the high category, while the aspects of clarity of work area management and the availability of funding were in the low category.Keywords: Readiness, Institutional, Village fores
IDENTIFIKASI PERILAKU MASYARAKAT TERHADAP KEBERADAAN HUTAN MANGROVE DI DESA TINDAKI KECAMATAN PARIGI SELATAN KABUPATEN PARIGI MOUTONG
Mangrove Forests in Indonesia are the largest mangrove forests in the world. The area of mangrove ecosystems in Indonesia reaches 75% of the total mangroves in Southeast Asia. This time, Indonesia is recorded that has 9.36 million hectares of mangrove forests spread throughout Indonesia. Around 48% or an area of 4.51 million hectares were moderately damaged and another 23% or 2.15 million hectares were severely damaged (Vitasari M, 2015). Based on the results of the identification of mangrove forests by the Forestry Service in 2006 is it turns out that the total area of mangrove vegetation still remaining is 6,6696.1 Ha (26.44%) (BPDAS, 2006). This research uses a descriptive method. The retrieval of this research data is carried out through surveys and interviews that are equipped with a list of questions (Questionnaire). This research involved the community leaders, community institutions, especially families in Tindaki Village, South Parigi Sub-district, Parigi Moutong District. Based on data and information obtained from interviews in identifying community understanding of mangrove forests as many as 42 (forty two) respondents with the consideration that for village officials (5 people), forest farmer groups (17 people) youth leaders (5 people), people around the mangrove forests (15 people). Research results indicate that the behavior of the people of Tindaki Village is in the bad category. The influencing factor is the level of education, where the lower of the level education, the less understanding of the community
PENGARUH BERBAGAI JENIS DAN DOSIS PUPUK KANDANG TERHADAP PERTUMBUHAN SEMAI GAHARU (Aquilaria malaccesis Lamk)
This study aims to determine the effect of various types and doses of manure on the growth of gaharu seedlings (Aquilaria malaccensis Lamk). This research was conducted in the Permanent Nursery of the Center for Watershed Management and Protected Forests (BPDASHL) Palu Poso, Palu, Central Sulawesi. The implementation of this research was carried out for three months, from November 2021 to February 2022. This study used a completely randomized design (CRD) method with a factorial pattern consisting of two factors. The first factor is the type of manure consi sting of P1 = cow manure, P2 = chicken manure. The second factor was the dose of manure consisting of D1 = 200grams/seedling, D2 = 300grams/seedling, D3 = 400grams/seedling. Each combination was repeated 10 times for a total of 60 treatment units (seedlings). Data analysis used the F 5% test then continued with the 5% BNT test if the treatment had a significant effect. The results showed that different types and doses of manure had no significant effect on the increase in height and diameter of gaharu seedlings (Aquilaria malaccensis Lamk), but had a significant effect on the increase in leaf number of agarwood seedlings (Aquilaria malaccensis Lamk). There was no interaction between various types and doses of manure on the growth of gaharu seedlings (Aquilaria malaccensis Lamk). The effect of various types and doses of manure on the growth of gaharu seedlings (Aquilaria malaccensis Lamk) with the best diameter increase parameter (P1D3) is 16.1 mm
ENGETAHUAN MASYARAKAT TENTANG FUNGSI EKOSISTEM HUTAN MANGROVE DI DESA KASIMBAR UTARA KECAMATAN KASIMBAR KABUPATEN PARIGI MOUTONG
Hutan Mangrove memiliki manfaat yang sangat bernilai strategis dalam menunjang kehidupan manusia diantaranya adalah manfaat dalam bidang riset dan pendidikan. Manfaat langsung bagi manusia inilah yang pada umumnya menyebabnya tingginya tekanan pada hutan Mangrove. Penelitian ini dilakukan pada bulan Juni sampai dengan bulan Agustus 2020 bertempat di Desa Kasimbar Utara Kecamatan Kasimbar Kabupaten Parigi Moutong. Metode pengumpulan data menggunakan jenis data Primer dan data Sekunder dengan tehnik pengupulan data melakukan opservasi, wawancara, dan dokumentasi. Responden yang di butuhkan dalam penelitian ini sebanyak 20 responden (15%), yang terdiri dari masyarakat 10 orang, Masyarakat di luar pesisir pantai 5 responden, dan aparat pemerintahan Desa 5 orang. Dalam kehidupan sehari-hari masyarakat Desa Kasimbar Utara, biasa memanfaatkan Mangrove untuk berbagai keperluan seperti kayu bakar, tiang tambatan perahu dan bangunan semi permanen. Dengan demikian, masyarakat seharusnya memahami dan menyadari bahwa pemanfaatan hutan mangrove di Desa Kasimbar Utara perlu diimbangi dalam upaya pelestarian. Pengetahuan masyarakat Desa Kasimbar Utara terhadap kawasan hutan mangrove juga sangat dipengaruhi oleh tingkat pendidikan dan umur. Sebagaian responden masih asing dengan istilah hutan mangrove, masyrakat Desa Kasimbar Utara lebih mengenal istilah mangrove dengan sebutan “BANGKO” yang dalam bahasa Indonesia berarti mangrove. Oleh karena itu peran pemerintah sangat diperlukan dalam memberikan sosialisai kepada masyarakat terkait dengan pengetahuan tentang hutan mangrove.Keywords: Mangrove, Hutan, Pengetahuan
SIFAT FISIK DAN KIMIA TANAH PADA BEBERAPA PENGGUNAAN LAHAN DI SUB DAS MEKO KECAMATAN PAMONA BARAT KABUPATEN POSO
Soil physical properties are environmental factors that greatly affect the availability of water, air and soil. The chemical properties of the soil, which play a role in the nature, characteristics of the soil and soil fertility, the chemical properties of the soil, namely soil pH, NPK, cation exchange capacity (CEC), and C-organic. This study used a survey method. Soil sampling was then analyzed in the soil science laboratory. The physical properties of the soil in paddy fields and shrubs have dusty clay properties, dry land agriculture has loamy clay properties and large shrubs have clay properties. . As for the chemical properties of the soil, namely pH in some land uses, the criteria are slightly acidic with a value of 6.38, shrubs 6.22, rice fields 5.50 and dry land agriculture 4.84. For c-Organic, the lowest was 2.28% and the highest was 3.78%. N-total ranges from 0.16% the lowest and the highest with a value of 0.30. For phosphorus (p) ranged between 52.92 the lowest value and the highest value 54.51. For Potassium (K) the highest value is 38.54 and the lowest is 10.82. The CEC value ranges from 38.54 for the highest value and the lowest value is 29.51
ANALISIS SEBARAN TUTUPAN VEGETASI MENGGUNAKAN CITRA LANDSAT 8 DI KAWASAN HUTAN PENDIDIKAN UNIVERSITAS TADULAKO
Educational Forest is an education medium which has purpose to support and increase the education quality about the introduction and function of forest. An important information is needed in order to manage the Educational Forests it was the vegetation distribution in the forest. By determining Tadulako University Education Forest as a forest with specific purpose in limited production forest region which is located in Donggala Regency, Central Sulawesi Province as wide as ± 1.813 hectare as the training and education forests since August, 26th 2016 (SK.661/MenLhk/Setjen/PLA.O/8/2016) and no research has been conducted about vegetation distribution, therefore it needs to do a research in order to analyze the vegetation distribution by using descriptive method in unsupervised classification to obtain the data by using Citra Landsat 8 and ArcGis 10.0 software, and field survey method to obtain the data in Educational Forests. The results of vegetation distribution by using Citra Landsat 8 which is recorded in 2017 path/row 114/61 in Educational Forest, obtained results that the vegetation distribution in Tadulako University Education Forests has width ± 1.813 ha which is dominated by forest wide as 1.137,26 ha (62,71 %) with distribution pattern randomly and evenly. The others vegetation distribution are shrubs as wide as 641,20 ha (35,36 %) and cloud cover as wide 39,66 ha (1,94 %). The results of the vegetation distribution map analysis in this research has accuracy rate of 86,11 %, it means that the vegetation distribution map fulfill the standards of accuracy interpretation and can be used appropriately in order to know the vegetation distribution in Tadulako University Education Forest
SIFAT FISIS DAN MEKANIS KAYU URU (Magnolia tsiampacca (L.) Figlar & Noot) YANG BERASAL DARI DESA BENTENG ALLA KECAMATAN BAROKO KABUPATEN ENREKANG SULAWESI SELATAN
Uru wood (Magnolia tsiampacca (L.) Figlar & Noot) is a local wood from South Sulawesi. Information regarding the physical and mechanical properties of uru wood based on the axial direction and radial direction has not been widely carried out, especially uru wood originating from Enrekang Regency, South Sulawesi. Therefore, the purpose of this study was to determine the physical and mechanical properties of uru wood in the axial and radial directions so that it can be utilized properly. The method used in this study was a factorial completely randomized design, with factor A variations in the axial direction and factor B variations in the radial direction. Each treatment was repeated 3 times. The physical properties studied included moisture content, density and shrinkage. Meanwhile, the mechanical properties studied included MOE, MOR, and Fiber Parallel Compression. The results showed that the moisture content of uru wood was 77.93%, the air dry moisture content of uru wood was 14.12%. The density value of uru wood ranged from 0.25 – 0.44 gr/cm3, radial shrinkage ranged from 2.19% - 6.82%, tangential 2.66 – 6.35%. Meanwhile, the MOE for uru wood ranged from 73,851,058 kg/cm2 - 109,462,653 kg/cm2, the MOR for uru wood ranged from 744,615 kg/cm2 – 1,0202,464 kg/cm2, and the compression parallel to the grain of the uru wood ranged from 216.42 kg/cm2. cm2 - 325.80 kg/cm2. Uru wood belongs to strong class III-IV.Keywords: axial direction,radial direction,physical properties,mechanical properties,uru woo
MEKANISME AKSES PEMANFAATAN ROTAN (Calamus) MASYARAKAT DESA PANCAMAKMUR KECAMATAN SOYO JAYA KABUPATEN MOROWALI UTARA
Communities around the area use rattan for daily subsistence needs and partly for subsistence. Although utilization is limited, harvesting must be regulated in a sustainable manner to avoid damage to forest areas. The purpose of this study was to determine the mechanism of access to the use of rattan for the people of Pancamakmur Village, Soyo Jaya District, North Morowali Regency. This research was carried out for 3 months from December 2021 - February 2022. Data collection techniques used in the study were interview and questionnaire techniques. The selection of the sample of respondents was carried out by purposive sampling. This study reveals that the characteristics of the people who use rattan in Pancamakmur Village are mostly people with low education, most of them have elementary school education and their average age range is 31-40 years. they have an average family of 3-4 people and their main occupation is farming. The mechanism for using rattan in Pancamakmur Village is carried out at a certain time while waiting for the rice harvest season 2-3 times a year and is carried out in groups but the results obtained are individual. People who use rattan are dependent on collectors because of their need for working capital. The income obtained from access to the use of rattan is Rp. 2,4002,000 per month or only Rp. 4,804,000 per year, which is done 2 times a year. This has implications for resource is sustainability