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INDONESIA
Forest Science
Published by Universitas Tadulako
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Articles 52 Documents
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RESPON STAKEHOLDER TERHADAP KERUSAKAN HUTAN DI DESA TIRTANAGAYA KECAMATAN BOLANO LAMBUNU KABUPATEN PARIGI MOUTONG Sukri, Moh; Golar, Golar; Massiri, Sudirman Dg
ForestSains Vol 15, No 2 (2018): Juni
Publisher : Universitas Tadulako

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Abstract

Environmental degradation as indicated by the depletion of resources and the destruction of natural habitats is the impact of human-nature relationship. Furthermore, forest fires, illegal logging, gold mining and other related activities are forms of forest destruction that can be claimed to be more intense lately. Therefore, an initial measure should be carried out including identifying stakeholders’ responses toward the issues and assessment on the level of destruction. This study aims to examine stakeholders’ responses toward forest destruction in Tirtanagaya Village, Bolano Lambunu Sub-district, Parigi Moutong Regency. The techniques of data collection were observation and in-depth interview. Several key informants were selected for the interview in order to investigate their responses toward forest destruction in the study site. It used qualitative descriptive method for data analysis. In overall, the finding indicates that the responses of stakeholders in relation with forest destruction issues are relatively poor. It is evidenced by their low participation and lack of real actions to promote forest preservation. It will have a detrimental impact on the joint effort for overcoming the problems of forest destruction in Tirtanagaya Village.
PERBANYAKAN VEGETATIF ANGGREK Dendrobium sp PADA BERBAGAI KONSENTRASI PUPUK ORGANIK CAIR DAN INTENSITAS PEMUPUKAN Zulkaidhah, Zulkaidhah; Wardah, Wardah; Muhamad, Ari
ForestSains Vol 16, No 1 (2018): Desember
Publisher : Universitas Tadulako

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Abstract

This study aims to determine the vegetative growth of Dendrobium sp orchids at various concentrations of liquid organic fertilizer and fertilizer intensity. This research was designed with a completely randomized design (CRD) factorial pattern. The first factor is the concentration of liquid organic fertilizer consisting of three levels, namely the concentration of 5 ml / liter (A1), 10 ml / liter (A2), 15 ml / liter (A3), and the second factor is the intensity of fertilization consisting of 1 time / week ( B1), 2 times / week (B2), 3 times / week (B3). The results showed that the interaction between the concentration of liquid organic fertilizer and fertilizer intensity significantly affected the time parameters of buds, shoot height, and number of leaves. The 10 ml / liter concentration treatment with fertilizer intensity 3 times / week (A2B3) gave the fastest shoot growth of 7.93 weeks and had the highest yield on Dendrobium sp orchid shoot height at 12 weeks after planting which was 3.5 cm and the amount Dendrobium sp orchid leaves at the end of the observation were 4.75 strands.
BEBERAPA SIFAT KIMIA TANAH DI BAWAH TEGAKAN NYATOH (Palaquium obtusifolium Burck) DI DESA SINDOSA KECAMATAN SINDUE TOBATA KABUPATEN DONGGALA Ibrahim, Yusnita; Yusran, Yusran; Umar, Husain
ForestSains Vol 16, No 1 (2018): Desember
Publisher : Universitas Tadulako

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Abstract

Nyatoh (Palaquium obtusifolium Burck) is a type of tree that is very much in demand by local and international communities. Nyatoh stands (Palaquium obtusifolium Burck) which is adjacent to the agricultural crops owned by residents in the village, is interesting because it will show that, the level of soil fertility is influenced by vegetation. Not only that, according to local residents, after the land was planted with Nyatoh plants (Palaquium obtusifolium Burck) erosion and landslides had not occurred again.The research was conducted from October to December 2017 located in the village of Sindosa, Sindue Tobata district, Donggala district. This research was started from a field survey, determination of sampling points, soil sampling and analysis of soil samples in the laboratory of the Faculty of Agriculture, University of Tadulako. Soil sampling is done by taking intact soil samples at several predetermined locations namely peaks, backs, and valleys. Each slope is determined by 5 soil sampling points to represent each location with 2 types of depth, namely 0-30 cm and 30-60 cm. Then the samples obtained from these 5 points will be compiled. From the three locations there were 30 soil samples before they were compiled. Overall soil samples after being compiled will get 6 soil samples analyzed at the Soil Science Laboratory of the Faculty of Agriculture to determine the chemical condition of the soil. Data obtained from the laboratory are then analyzed descriptively, namely by describing the chemical properties of the soil, namely pH, CEC, C-Organic and soil organic matter.The results showed an average pH with a depth of 0-30 cm, which is 6.64, while at a depth of 30-60 cm showed a pH with an average of 6.43, Cation Exchange Capacity (CEC) on average below the Nyato stand at Sindosa village Sindue Tobata District Donggala Regency at a depth of 0-30 cm, which is 25.87 (cmol (+) kg ¹) is in the medium category, while at a depth of 30-60 cm is 3.23 (cmol (+) kg kedalaman ¹) belongs to the very low category. The C-Organic content at a depth of 0-30 cm with an average of 2.45 is included in the medium category and at a depth of 30-60 cm that is 0.65, including very low. The content of Soil Organic Materials (BOT) with an average depth of 0-30 cm, which is 4.23 included in the high category and at a depth of 30-60 cm with an average of 1.11 is low.
POPULASI FUNGI DAN BAKTERI TANAH DI HUTAN PEGUNUNGAN DAN DATARAN RENDAH DI KAWASAN TAMAN NASIONAL LORE LINDU SULAWESI TENGAH Sahara, Nanang; Wardah, Wardah; Rahmawati, Rahmawati
ForestSains Vol 16, No 2 (2019): Juni
Publisher : Universitas Tadulako

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Abstract

The microorganisms found in the forest soil are one of the factors that influence the formation of forest soil. In mountain tropical forests slow down soil formation processes as evapotranspiration decreases, chemical reactions are slower and densities of fungi and soil bacteria are fewer, whereas in lowland forests are rich in vegetation species, as well as hot and humid climate conditions. The purpose of this research is to know the population of fungi and bacteria of forest soil of mountains and lowland forest. The study was conducted from December 2017 to February 2018. This research started from field survey, determination of sampling point. Soil sampling was done on a plot with size 25 m × 25 m with a soil depth of 0-10 cm and composite soil sampling. This research uses descriptive analysis method. The results showed that the population of fungi and bacteria are different between the mountain forest (Nokilalaki) and lowland forest (Kamarora). The lowland forest soil higher of fungi (614 × 103 CFU g-1) and bacteria population (43.6 × 106 CFU g-1) then the mountain forest soil of fungi (188.8 × 103 CFU g-1) and bacteria population (7.36 × 106 CFU g-1).
APLIKASI MODEL AR4 PADA PEMETAAN JENIS PENGGUNAAN/TUTUPAN LAHAN MENGGUNAKAN CITRA LANDSAT 8 Akhbar, Akhbar; Arianingsih, Ida
ForestSains Vol 14, No 1 (2016): Desember
Publisher : Universitas Tadulako

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Abstract

The research aims to develop applications AR4 models as a new model in the extraction of the object area in the medium resolution Landsat 8 image in providing land mapping database for the purposes of planning, evaluation and monitoring of the type of use / land cover. Descriptive method was used to assess the value of the object land spectral on based spectral bands Landsat 8 image transformation results. Image transformation using AR4 models, namely a multiband image analysis model developed by Akhbar et.al., in 2013 using Landsat 7 ETM+ and SPOT 5 XS. Research is now put through trials on the AR4 models Landsat 8 image in the same location as a previous study, in the district (Sigi, Donggala, Parigi Moutong) and Palu City with an area of 99,141.12 hectares. Geographically, located at coordinates 119 ° 48 '39.67 "E - 120 ° 1' 2.99" E and 0 ° 42 '5.11" S - 1 ° 5' 15.76" S. Generated imagery Landsat 8 AR4 models with the conformity / suitability of land ≥90% between objects on the image of the transformation and the 50 sample sites tested in the field. So that the AR4 models image of Landsat 8 including the excellent category is used in mapping the type of use / land cover.
EVALUASI KESESUAIAN LAHAN UNTUK TANAMAN KEMIRI (Aleurites moluccana WILLD.) PADA SISTEM LAHAN SALO SALUWAN DI KOTA PALU Taiyeb, Asgar
ForestSains Vol 14, No 2 (2017): Juni
Publisher : Universitas Tadulako

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Abstract

The background of this research are the establishing program of Candlenut (Aleurites moluccana Willd.) as MPTS by Agriculture, Forestry and Fishery Duty at the Salo Saluwan land System in  Palu City, Central Sulawesi. Salo Saluwan have slope > 40 % so that they are suitable to be developed and researched. Salo Saluwan has tree kinds of soil, it should be classified and evaluated of land suitability based on theirs kinds of soil. The aims of this research were: (a) evaluating the quality and characteristic of land of each kind of soil in that land system, and (b) classifying the suitability of existing land in that land system for the establishment of Candlenut plantation. Determination of land suitability for Candlenut using Atlas Format Procedures Method. The indicators used in determining the suitability of land for Candlenut is water and nutrient avalaible, the slope, the frequency of flooding, drainage, gravel and rock distribution and effective depth. Analysis result for land suitability of Candlenut in the Salo Saluwan show that most important finding: (a) type Latosol of soil developed at Salo Saluwan Land System  has marginally suitable (S3), while two kinds of them are not suitable (N) for the Candlenut plant growth, and (b) for the optimum growth of Candlenut, the limiting factor at three kinds of soils are low of water avalaible, and (c) for Latosol has other limiting factors, they are low of effective deepness and soil texture. In addition to Mediteran is low of effective deepness. Handling efforts of plant growth limiting factor such as fertilization, green manure, and mulch by efficient and effective after Candlenut plantation established at Salo Saluwan Land Sistem depend on soil and climate characteristic in Palu City.
KOMPOSISI VEGETASI HABITAT LEBAH MADU (Apis Dorsata) DI KAWASAN HUTAN PENDIDIKAN UNIVERSITAS TADULAKO KECAMATAN BOLANO LAMBUNU KABUPATEN PARIGI MOUTONG Sudartono, Arief; Korja, I Nengah; Yadi, I Made Ardileks
ForestSains Vol 14, No 2 (2017): Juni
Publisher : Universitas Tadulako

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Abstract

Habitation is very essential for the survival of organisms because organisms can grow, multiply, feed and interact in their natural habitations. However, habitation destruction will undoubtedly make the organism's survival threatened and extinct. The purpose of this research was to know the vegetation composition of honey bee habitation (Apis dorsata) in Forest Education Area of Tadulako University, Bolano Lambunu District, the Regency of Parigi Moutong. This research used path method by landing initial plot under purposive sampling where honey bee nest found. 4 (four) paths were then made in length of 200 m. Each path consisted of 5 plots with 20 x 20 m, the distance between the plots of each path was 20 m, and the distance between the paths is 60 m. There were eventually 20 plots of observation. Based on the results of the research on the Vegetation Composition of Honey Bee Habitation (Apis dorsata) in Education Forest Area of Tadulako University, Bolano Lambunu District, the Regency of Parigi Moutong, 31 species of plants were found from 24 families in accordance with the tree level, pole, stake, and seedlings. The highest INP value of each level was the tree one with the value of INP of = 29.57%, the pole with INP = 20.83%, the stake with INP of = 26.84%, and the level Seedlings and lower plants with INP of = 22.86%.
PENGARUH BERBAGAI INTENSITAS CAHAYA TERHADAP PERTUMBUHAN SEMAI CEMPAKA (Michelia champaca L.) DI PERSEMAIAN Susilawati Susilawati; Wardah Wardah; Irmasari Irmasari
ForestSains Vol 14, No 1 (2016): Desember
Publisher : Universitas Tadulako

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Abstract

Champak (Michelia champaca L.) is a flowering plant in the Magnoliaceae family that requires light as an energy source for photosynthesis. Low light intensity will adversely affected the plant growth. The objective of this study was to determine the effect of various light intensity levels on the growth of champak’s seedlings. It was carried out for three months, February to April 2016, at the Permanent Nursery of BPDAS Palu-Poso, Universitas Tadulako. Randomized Block Design was employed as the method, consisting of five treatments namely: I1 = Light intensity of 10%, I2 = Light intensity of 30%, I3 = Light intensity of 50%, I4 = Light intensity of 70 %, I5 = Light intensity of 90%. Each treatment consisted of two groups, namely Group 1 (seedling with 3-4 leaves) and Group 2 (seedling with 5-6 leaves), which were replicated six times, so there was a total of 60 seedlings as the samples. The parameters were the height, diameter, number of leaves, and leaf area. The results of this study indicated that before the seedlings reached 3-months after weaning, diverse light intensity levels insignificantly affected the observed parameters. Subsequently, it demonstrated the highest level of diameter (1.90 mm), leaf number (3.8 leaves), leaf area (291.01cm2), height (3.83 cm) were obtained by I1, I2, I4, and I5, respectively.
KERAGAMAN JENIS RAYAP PADA PERUMAHAN DI KABUPATEN SIGI SULAWESI TENGAH Hapid, Abdul; Ariyanti, Ariyanti; Zulkaidhah, Zulkaidhah
ForestSains Vol 15, No 1 (2017): Desember
Publisher : Universitas Tadulako

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Abstract

Termite control activities in Indonesia, particularly in Central Sulawesi until the moment still confront obstacles in the forms not yet complete information on the diversity of the termite itself and knowledge of the characteristics bioecology and habit in this spread. This is the cause so far undertaken control measures are still limited to the spraying of chemicals that require high costs and have negative impacts on the environment and the potential to kill organisms that are beneficial. This study was aimed known the diversity of termitesattacking in the buiding Sigi District, Central Sulawesi.The study was conducted at termite habitat. These termite sample were collected by getting baitting method and direct taking of the habitat of termites, which continued with the identification of activities for determining the types of termites. The result showed that there are six genera of termites from 15 Subdistrict in Sigi District were Microcerotermes, Odontotermes, Nasutitermes, Schedorhinotermes dan Parrhinotermes.
PENGARUH WAKTU PENYIMPANAN TERHADAP PERTUMBUHAN CABUTAN ANAKAN ALAM MALAPOGA (Toona ciliata M. Roem) Di PERSEMAIAN Fauzia, Fauzia; Wardah, Wardah; Irmasari, Irmasari
ForestSains Vol 15, No 2 (2018): Juni
Publisher : Universitas Tadulako

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Abstract

Forest is the habitat of a wide range of plant species in which these species have different sizes and ages of seedling at transplanting. In order to increase the species richness through natural regeneration, it is important to carry out research related to this topic. In the present study, the seedlings of Malapoga (Toona ciliata M. Roem) from its natural population are investigated. It primarily aims to determine the effect of storage time of the seedlings of Malapoga (Toona ciliata M. Roem) to obtain optimal seedling growth. It was conducted in June – August 2016, at the nursery of BPDAS PALU-POSO, Universitas Tadulako, Palu, Central Sulawesi. The research uses a completely randomized design (CRD) in which there are four treatments, namely: M0 = Control, M1 = 1-day storage, M2 = 2-days storage, M3 = 3-days storage. Of the four treatments, five replications were conducted hence there were a total to 20 samples. The parameters were height, stem diameter and number of leaves. The honestly significant difference (HSD) test was carried out since the analysis of variance showed a significant difference among the treatments. The results indicate that the 3-days of storage (M3) has a significant positive effect on the seedling growth, with an average plant height of 6.94 cm, stem diameter of 0.3 mm, and eight leaves are visible. It contrasts to the control in which it experiences slow growth.

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