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INDONESIA
Jurnal Wasian
Published by Universitas Muhammadiyah Makassar
ISSN : 23559969     EISSN : 25025198     DOI : doi.org/10.62142
Core Subject : Science, Education, Social,
Earth & Planetary Sciences Environmental Science Physics Other
The Wasian Journal dedicates itself to advancing scientific research that significantly contributes to the conservation of natural resources and the sustainable transformation of landscapes. Our goal is to support the long-term ecological balance and resilience of forests and land. We are committed to publishing cutting-edge research that is innovative and open to rigorous scholarly debate, maintaining the highest standards of quality.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 123 Documents
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Identification of Water Bacteria from Nickel Post Mining in East Halmahera Margaretta, Margaretta Christita; Iwanuddin , Iwanuddin Iwanuddin; Yermias, Yermias Kafiar; Supratman , Supratman Tabba
Jurnal Wasian Vol. 5 No. 1 (2018): June
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/x32gnn20

Abstract

Nickel mining impact in heavy metal pollution on both soil and water. A method that is widely applied to reduce heavy metal contamination is bioremediation. Selection of bacteria that have potential reduction of heavy metal contamination in soil is very important in bioremediation process. The first step to select the potential bacteria is identification of samples. The purpose of this study is to identify existings bacteria in pond after nickel mining area PT. Antam, East Halmahera. Methods used in this research are isolation and identification of bacteria by conventional methods includes morphological, physiologica,l and biochemical test. Identification using Bergey’s Manual Determinative. The results showed there are 6 genera types of bacteria there are Bacillus, Esherichia, Enterococcus, Pseudomonas, Staphylococcus, dan Klebsiella, with 18 species in water of nickel post mining. Morphologically it is dominated by genus Bacillus as 50 % of the species. The identification of bacteria proved an existence of indigenous bacteria which is resistant to heavy metal stress.
Development Strategy of Masoi (Cryptocarya massoia (Oken) Kosterm.) as Non-Timber Forest Products in Teluk Bintuni, West Papua With SWOT Analysis Baharinawati, Baharinawati Wilhan Hastanti; Relawan, Relawan Kuswandi; Julanda , Julanda Noya
Jurnal Wasian Vol. 5 No. 1 (2018): June
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/szg2ve21

Abstract

Non-timber forest products (NTFPs) are forest resources which have comparative advantage and in direct contact with the community. Masoi (Cryptocarya masoia) is one of mainstay Papua NTFPs. This essential oil that produced through bark distillation, used as aromatic raw materials for food, medicines, perfume,s and aromatherapy. The demands of masoi oil are high for domestic and foreign market. This study aimed to formulate development strategy of masoi as non-timber forest products in Teluk Bintuni regency, Papua Barat Province, by identifying external factors (Opportunities, threats) and internal factors (strengths, weaknesses). The research applied SWOT analysis methods by identifying external factors (EFAS) and internal factors (IFAS) as strength, weaknesses, opportunities, and threats. Based on SWOT analysis which conducted by calculate score of external factors and internal factors, the suitable strategy was WO strategy which utilized opportunities to suppress the weaknesses at third quadrant. The third quadrant tended turn around by 1). Socialization and training of masoi cultivation on indigenous people, 2). Legal Counseling to increase legal awareness of the community to overcome land disputes.
The Study of Faustmann Formula Application in Sustainable Natural Forest Management in Indonesia Yonky , Yonky Indrajaya
Jurnal Wasian Vol. 5 No. 1 (2018): June
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/0wktcp40

Abstract

In the forest economics literature, Faustmann formula is highly adopted for profit maximization problem in forest management, mostly in plantation forest. Stylized models of Faustmann formula to be applied in selective logging regime have also been studied extensively in multi-age and multi-species forest. In general, natural forest managers in Indonesia have not adopted the Faustmann formula in their management decisions. Sustainability aspect in natural forest management is applied based on silvicultural consideration, i.e. measuring residual stand that is able to be harvested in the next cutting cycle. This study aims to analyze the application of Faustmann formula in the current selective logging regime in Indonesia (i.e. TPTI), so that the natural forest managers may gain maximum profit and sustainable. This study is a qualitative research based on literature review. The results of this study show that under deterministic growth model (i.e. matrix transition model) and robust damage model (i.e. transition matrix with different damage proportions on each species and diameter class), the Faustmann formula can be applied for selective Logging regime in Indonesia.
Macroscopic Fungi Species in Kelimutu National Park, East Nusa Tenggara Ridwan, Ridwan Fauzi; Hidayat, Muhamad Yusup Hidayat; Grace, Grace Serepina Saragih
Jurnal Wasian Vol. 5 No. 2 (2018): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/4dx06587

Abstract

This study aims to identify macroscopic fungi species in Kelimutu National Park. The method used in this study was a combination of Visual Encounter Survey method in 5 tracking lines at altitude between 1,000 - 1,700 meters above sea level. Based on the results of the survey, there were 46 species of macroscopic fungi from 23 families in Kelimutu National Park. Some species of macroscopic fungi have the potential to be cultivated as food and medicinal ingredients. The existence of this macroscopic fungus has also given a special characteristic of Kelimutu because it only grows at an altitude between ± 1,045 - 1,616 meters above sea level.
The Effectiveness of Papaya Leaves and Chili Pepper (Capsium fructescens) as Bioinsecticide for White Oyster Mushroom (Pleuroutus ostreatus) Cultivation Margaretta , Margaretta Christita; Suryawan, Ady Suryawan
Jurnal Wasian Vol. 5 No. 2 (2018): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/486z7v56

Abstract

This study purposes to compare the effectiveness of bio-insecticides made from papaya leaf extract, and chilli pepper in several different doses to reduce pest attack on white oyster mushroom (Pleurotus ostreatus). Experiments conducted on oyster mushrooms that are fruitful with 3 formula are formula 1 (papaya and water), Formula 2 (papaya leaves, chili pepper, and water), and the formula 3 (chili pepper and water). Parameters observed were the fallen fruit, harvest weight, fruit diameter, the number of dead pests. The results concluded that the formula has a significant effect on all parameters. Formula 2 has the highest level of effectiveness of insecticides can reduce the fallen fruit to 84 %, have twice yields and 1.3 times bigger diameter than control crop yields. Formula 2 has the composition of papaya leaf extract and chili pepper (1:1:2)
Development and Validation of Volume Prediction Model for Balangeran (Shorea balangeran (Korth.) Burck) In Central Kalimantan Qirom, Muhammad Abdul Qirom
Jurnal Wasian Vol. 5 No. 2 (2018): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/5ttexe44

Abstract

Estimation model of tree volume must be high in accuracy and precisions to estimate stand potential precisely. This paper determines and validates the estimation model of Shorea balangeran volume grown in Central Kalimantan, Indonesia. There were three phases of model development which include 52 trees for model progress, 23 trees for model validation, and 10 trees for external model validation. The calculation model used linear and non-linear models with diameter, diameter and height, and diameter and height combination as independent variables. The criteria of the best model was determined by statistical analyses such as coefficient determination, relative and aggregative deviation, bias, precisions and accuracy of estimation, AIC (Akaike’s Information Criterion). The result of the study showed that the model with diameter as single variable was not complied with the selected best model criteria (aggregative deviation; AD< 1 % and relative deviation: RD< 8 %). The addition of tree height on model estimation increased the coefficient determination of 6.54% and the model with diameter and height as independent variable was satisfied with the criteria (AD and RD criteria). The best model of Balangeran was with coefficient determination of 89.77 %. However, the best model was not applicable for other sites with different stand characteristics
The Diversity of Macroscopic Fungi Species of The Wallacea in The Arboretum of BP2LHK Manado Anita , Anita Mayasari; Margaretta, Margaretta Christita; Suryawan, Ady Suryawan
Jurnal Wasian Vol. 5 No. 2 (2018): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/vs1xv140

Abstract

Fungi have a vital role in ecological processes, as an indicator of health of an ecosystem, it is not only has the potency for medicine and food but also variety of unexplored potential. Arboretum has high potential for biological conservation including fungi species, so information on its diversity and potency are very important for the basis of its management. The purpose of this research was to explore the diversity of species and the potential of macroscopic fungi in the BP2LHK Manado Arboretum. Observations were conducted 8 times in May, June, and September 2016 using a cruise and an opportunistic method. The infromation of growth media, light intensity, and temperature were collected as a supporting data. The result showed that arboretum stored 48 species of macroscopic fungi with different characteristics. 39 species were identified, divided into 2 divisions, 6 classes, 9 orders, and 17 families, while the remaining 9 species were unidentified.. The results showed that the diversity of macroscopic species habitat were dominated by 31 species grown on necromass, 11 species grown on litter and 6 species grown on soil. Based on its potential, there were 2 species of toxic fungi, 1 species of edible and medicinal fungus, 2 species of edible fungi, 5 species with medicinal fungi, 19 species were not edible, and 19 species with unknown benefits.
Potency and Agroforestry Patterns that Support Bamboo Sustainability in Sukaharja Village, Ciamis District Aditya , Aditya Hani; Fauziyah, Eva Fauziyah; Widyaningsih, Tri Sulistyawati Widyaningsih; Devy , Devy Priambodo Kuswantoro
Jurnal Wasian Vol. 5 No. 2 (2018): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/sn6y5674

Abstract

Some people still thinks that bamboo has a low economic value. Many bamboo plants in the community are removed or replaced with other commodities. Sukaharja Village in Ciamis Regency is one of the centers that produce of bamboo. The community feels the economic benefits of the existence of the bamboo, so the existence of bamboo plants is still sustained. Bamboo management in Sukaharja Village can be used as a learning for bamboo farmers in other places. The study aims to determine the potential of agroforestry bamboo in Sukaharja Village. Potency of bamboo was collected by survey method. The observation plot was made as many as 39 plots. Vegetation observation and measurement was done by census (100 %) in all selected land area so that all types of compiler can be known. Parameters recorded/measured were bamboo species, number of clumps, number of tillers, number of young stems, number of old stems, stem height and stem circumference. Data related to socioeconomic obtained through interview. Respondents interviewed was chosen purposively by 69 respondents. Secondary data was obtained from literature study and data from agencies that are related to research objectives, such as District Forestry office, village office, and Agricultural Extension Agency, Fisheries, Livestock and Forestry. Bamboo in Sukaharja Village has a potential of 765 bamboo stems per hectare with 53 % composition of young bamboo and 47 % old bamboo, dominated by 92 % Gigantlochoa apus. Bamboo in Sukaharja village can be sustainable because it is cultivated with agroforestry pattern. The pattern of bamboo agroforestry in Sukaharja village community is a) Bamboo + wood, b) Bamboo + HHBK, c) Bamboo + plantation crop, d) Bamboo + horticulture.
Compost Quality of Nyamplung (Calophyllum inophyllum L.) Solid Waste Oil Industri with Four Starters Eritrina , Eritrina Windyarini; Budi , Budi Leksono; Hasna, Tri Maria Hasna
Jurnal Wasian Vol. 5 No. 2 (2018): December
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/8f87g645

Abstract

The purpose of this research is to utilized and provide added value from dregs seed of nyamplung solid waste through composting process using several starters, and findout the compost chemical character. The research was design as randomized complete (CRD) with 4 types of starters as treatments (biostarter of cattle rumen contents, Prouponic Gb # 1, EM4, Primadec C-15) each with 3 replications. Analysis of 7 chemical properties parameters carried out on nyamplung dregs seed before and after the treatment included: pH, DHL, organic C, total N, C / N ratio, Total P, and total K by comparing to SNI No.19- 7030-2004. The results showed that DHL, C / N ratio, total N, P, and total K of dregs seed compost fulfilled the SNI. The type of starter treatments significantly affected the quality of nyamplung dregs seed compost (DHL, total N, P, and K levels). Types of starters showing the best results were Prouponic Gb # 1 and EM4 compared to other biostarters. Therefore, Prouponic Gb # 1 and EM4 were reccomended to be applied to process nyamplung dregs seed waste into high quality compost.
Perception and Motivation of Farmers in the Development of Natural Silk Business in Soppeng Regency Sulawesi Selatan Wahyudi , Wahyudi Isnan; Nurhaedah , Nurhaedah Muin; Hayati, Nur Hayati
Jurnal Wasian Vol. 6 No. 1 (2019): June
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/e65pbx02

Abstract

The development of natural silk has not been optimal because the handling of the problem tends to be general and not adjusted to the socio-economic characteristic of the community. In Soppeng Regency, natural silk is carried out by diverse socio-economic backgrounds of the community that can influence perceptions and motivations in the development of natural silk business. This study aimed to determine the perceptions and motivations in developing natural silk business which is expected to be a formulation material in the preparation of natural silk business policies. The study was conducted in Donri-Donri District as the center of natural silk development in Soppeng Regency. Data collection used survey method and interview. The sampling of respondents used a random sampling method for natural silk farmers. The results of the study indicate that in Soppeng District, the high farmer’s perception of natural silk business are related to socio-economic factors such as the length of residence in the village and gender. The motivation of farmers in natural silk business is generally because natural silk business is easy to implement, technological mastery, and easy to obtain information. Natural silk have big chance to be developed with quality improvement of silkworm seed and silkworm feed. High perception and motivation of community need to be accompanied by the availability of supporting factors so that this business can develop optimally.

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