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Ni Putu Diana Mahayani
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INDONESIA
Jurnal Ilmu Kehutanan
Published by Universitas Gadjah Mada
ISSN : 01264451     EISSN : 24773751     DOI : https://doi.org/10.22146
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Ilmu Kehutanan is a biannual open access journal by the Faculty of Forestry, Universitas Gadjah Mada, Indonesia, that publishes peer-reviewed scientific articles focusing on aspects of forest management, silviculture, forest conservation, and forest technology, both basic and applied. The Journal intended as a medium for communicating and motivating research activities through scientific papers, including research papers, short communications, and reviews written in English. In considering suitability for publication, the Journal refers international editorial conventions and conducts a double-blind peer-review selection process.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 104 Documents
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KADAR EKSTRAKTIF BATANG POHON JABON PUTIH (Neolamarckia cadamba) DAN JABON MERAH (Neolamarckia macrophyllus) DARI WONOGIRI, JAWA TENGAH Fatra Valahatul Ihda; Ganis Lukmandaru; Arif Nirsatmanto
Jurnal Ilmu Kehutanan Vol 17 No 1 (2023): March
Publisher : Faculty of Forestry Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v17i1.6645

Abstract

Jabon is a fast-growing tree species with two types, white and red. The families or the origin of the mother tree are sources of variation that influence the chemical composition, particularly the extractive properties. This research aimed to determine the chemical properties of the wood and bark of 10-year-old white Jabon (families 23, 11, and 6) and 5-year-old red Jabon (families 75, 85, and 2) planted in a progeny test plot in Wonogiri, Central Java. In the wood portion of white Jabon, family 23 had the highest n-hexane (HEC), methanol (MEC), and hot water (HWEC) soluble extractive contents, as well as total extractive content (TEC) and total flavonoid content (TFC), while family 6 had the highest total phenolic content (TPC). Meanwhile, in red Jabon, family 75 had the highest HEC, HWEC, and TFC, family 2 had the highest MEC and TEC, and family 85 had the highest TPC. In the bark portion, family 11 had the highest HEC, MEC, TEC, and TPC, while family 6 had the highest HWEC and TFC for white Jabon. In red Jabon, family 2 had the highest HEC, family 85 had the highest MEC, HWEC, and TEC, while family 75 had the highest TPC and TFC.
Sustainable Forest Management from Hydrology and Climate Change Mitigation Perspectives Widiyatno Widiyatno; Chay Asdak
Jurnal Ilmu Kehutanan Vol 17 No 1 (2023): March
Publisher : Faculty of Forestry Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v17i1.6904

Abstract

The increasing number of hydrometeorological disasters induced by unsustainable landscape management has led to significant fatalities and economic loss. Forest ecosystem landscapes are strategic national capital that could contribute to climate change mitigation. The government had formulated policies on Folu Net Sink 2030 through sustainable forest management, environmental and carbon governance, and a Nationally Determined Contribution (NDC) strategic approach using its natural infrastructure in the form of forest ecosystem landscapes. The government could establish attractive and integrated incentive and disincentive systems and mechanisms with sustainable forest management to achieve the targets.
Strategi Pengembangan Kesatuan Pengelolaan Hutan Lindung (KPHL) Flores Timur Melewanto Patabang; Hardjanto Hardjanto
Jurnal Ilmu Kehutanan Vol 17 No 2 (2023): September
Publisher : Faculty of Forestry Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v17i2.6089

Abstract

The Flores Timur FMU establishment was part of the broader efforts to enhance forest governance, improve management practices, and resolve land tenure conflicts effectively within forest areas. However, the challenges commonly encountered included conflicts with communities and other sectors regarding land tenure, area planning, and policy implementation. This research aimed to identify strategic variables of internal and external factors to determine a development strategy for Flores Timur FMU-Protected using SWOT (strengths, weaknesses, opportunities, threats) analysis. The results showed that the primary strategy for managing Flores Timur FMU included law enforcement for forest protection, acceleration of rehabilitation efforts for forests and lands classified as critical, and calculation of forest economic values based on the benefits of environmental services. Moreover, increasing community participation in forest utilization through social forestry programs and employing a participatory approach to forest area boundaries would contribute to effective management.
Integrasi Pendekatan MBC dan SBSC dalam Menyusun Strategi Pengelolaan Ekowisata Tangkahan, Taman Nasional Gunung Leuser, Sumatera Utara, Indonesia Intan Khoirunnisa; Yooce Yustiana; Nandang Prihadi
Jurnal Ilmu Kehutanan Vol 17 No 2 (2023): September
Publisher : Faculty of Forestry Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v17i2.6496

Abstract

Indonesia as mega-biodiversity country and various unique local wisdom activities are main attractions that can be enjoyed by world tourists. Global tourism trends to go back to nature drive development of ecotourism. Tangkahan is ecotourism area that offers variety of tourist attractions. However, as time goes by, Tangkahan ecotourism also faced some challenges that effect efficiency and effectiveness of organization. Therefore, it is necessary to design ecotourism performance strategy, that can be used to integrate business model canvas (BMC) into sustainable balanced scorecard (SBSC). This study aims to describe performance of business model using BMC, analyze performance business model using SWOT, and design performance management strategy by integrating BMC into SBSC. Field data in the form of primary and secondary data. Data analysis used to describe business model is BSC and SWOT, and strategy design used SBSC and PLS-SEM. Results of this study have confirmed that Tangkahan Ecotourism can be described by BMC with value proposition, key resources, key activities, key partnerships, customer segment, channels, customer relationship, revenue streams and cost structures. Evaluation results, suggest new BMC description, that needs to enhance and increase existing aspects of elements BMC owned. There are 16 strategies obtained from SBSC management strategy design.
Emisi dan potensi pemanasan global gas N2O hasil degradasi serasah mangrove di Pesisir Kabupaten Muna Barat Rahman Rahman; Yusli Wardiatno; Fredinan Yulianda; Frijona Fabiola Lokollo; Iman Rusmana
Jurnal Ilmu Kehutanan Vol 17 No 2 (2023): September
Publisher : Faculty of Forestry Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v17i2.7009

Abstract

Comprehensive research was conducted in the mangrove ecosystem of West Muna Regency to investigate the absorption of greenhouse gas (GHG) and degradation of its litter-produced GHG emissions, including N2O and carbon. The ecosystem consisted of four stations, namely Mangrove Maginti (station I), Mangrove Tiworo Tengah (station II), Mangrove Tiworo Islands (station III), and Mangrove Sawerigadi (Station IV). The research aimed to determine emissions and global warming potential (GWP) of N2O gas resulting from the degradation of mangrove litter. The team used a syringe mounted on the hood to collect gas samples and gas chromatography for concentration analysis. The correlation of emissions to environmental variables was analyzed using the Pearson correlation method. The results showed that all species' most significant and smallest average emissions were at stations III and II, with values of 0.0019 mg/m2/hour and 0.0015 mg/m2/hour, respectively. Water temperature showed a weak relationship with N2O emissions, namely r = 0.3511 (p <0.05), while water salinity did not strongly correlate with N2O emissions (r=-0.4471; p<0.05). The average GWP value ranged from 0.3665–0.6314 CO2e mg/m2/hour. Species R. apiculata and B. cylindrica at stations III and II had the largest and smallest GWP values of 0.8392 and 0.1912 CO2e mg/m2/hour, respectively.
Distribusi Spasial dan Waktu Aktif Felidae Serta Satwa Mangsa di Suaka Margasatwa Bukit Rimbang Bukit Baling, Riau Leonardus Adi Saktyari; Muhammad Ali Imron; Febri Anggriawan Widodo; Sandy Nurvianto
Jurnal Ilmu Kehutanan Vol 17 No 2 (2023): September
Publisher : Faculty of Forestry Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v17i2.7664

Abstract

The interaction between predators and prey has resulted in population dynamics and played a crucial role in maintaining species' populations within ecosystems. This research aimed to identify distribution and activity patterns to understand prey-predator interactions and the effect of environment and prey density on Felidae presence at Bukit Rimbang Bukit Baling Wildlife Reserve (BRBB WR), as an essential area for maintaining large mammal habitats in Sumatra. The camera traps were systematically placed in the Northeastern part of BRBB WR to collect presence data. The prey-predator interaction analysis used kernel density in RStudio. The effect of environment and prey density on Felidae presence was analyzed using a generalized linear model (GLM). The results indicated that Felidae and prey exhibited a dispersed distribution pattern, showing high activity at night and day, respectively. The Sumatran tiger, clouded leopard, leopard cat, and mouse deer had the highest overlap time (>0.50). However, the environmental and prey density had statistically non-significant effects on the presence of Felidae. Human activities in the area potentially disrupted wildlife community dynamics, although this aspect was beyond the scope of this research. This research suggested further investigation of the effects of human activities on wildlife communities in BRBB WR.
Analisis Risiko Produksi Bibit Sengon (Falcataria moluccana Miq.) Menggunakan Metode Fault Tree Yodfiatfinda Yodfiatfinda; Fathiya Azzahra Putri; Rukavina Baksh
Jurnal Ilmu Kehutanan Vol 17 No 2 (2023): September
Publisher : Faculty of Forestry Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v17i2.6258

Abstract

This research analyzed the sengon (Falcataria moluccana Miq.) seedling production risk and factors associated with the risks at the Research and Development Center for Forest Plant Seed Technology (BPPTPTH) Bogor. The data collection included interviews using questionnaires with 11 purposely selected respondents. This research employed the Fault Tree Analysis (FTA), a descriptive qualitative method, to analyze the seedling production risks. The results revealed two groups of risks, namely field and management production risks, that stemmed from eight primary roots. These eight primary roots included long seed storage time, far distance between the nursery and the researcher's office, lack of safety facilities, lack of employee skills, lack of employee appreciation, high frequency of employee absences for personal reasons, changes in seasons that cause changes in planting schedules, and changes in budget allocation. Inaddition to these eight main factors, leaf aphids and fungi attacks, including tumorrust(karat puru), could also increase seedling production risks.
Studi Kohabitasi antara Langur Borneo (Presbytis chrysomelas ssp. cruciger) dan Bekantan (Nasalis larvatus) di Taman Nasional Danau Sentarum Santoso, Nyoto; Diva, Alfatheya Margwita; Fauziah, Natasya Nurul; Sutopo, Sutopo
Jurnal Ilmu Kehutanan Vol 17 No 2 (2023): September
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v17i2.6442

Abstract

The tricolour langur and proboscis monkey in Bukit Semujan cohabited and utilized the same resources. Cohabitation, mainly due to resource constraints, needed substantial attention to ensure the survival of these primates. This research aimed to map the utilization of canopy strata vertical forest structure and vegetation as food sources and identify the size and overlap of ecological niches for both primates. This research occurred in Danau Sentarurn National Park (DSNP) from July to December 2021. The data collection employed the ad libitum method. The results indicated that cohabitation occurred in the canopy strata vertical forest structure utilization, particularly stratum B and C, and was related to food availability for both primates. The Jaccard Index of the stratum utilization association was 0.6 for swamp forests and 0.8 for hillside forests, while the food plant association was 0.2. In addition, the ecological niche of the tricolour langur overlapped 48% against the proboscis monkey and 34% on the contrary. The tricolour langur's niche size (FT) was 0.32278 ≤ 0.5960 ≥ 0.81253, while the proboscis monkey was 0.20866 ≤ 0.52837 ≥ 0.78529 at 95% confidence interval.
Model Bisnis dan Strategi Pengelolaan Ekowisata Berbasis Masyarakat Adat di dalam dan sekitar Taman Nasional Danau Sentarum (Ekowisata Dusun Meliau) Wiwit Astari; Yooce Yustiana; Nandang Prihadi
Jurnal Ilmu Kehutanan Vol 17 No 2 (2023): September
Publisher : Faculty of Forestry Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v17i2.6497

Abstract

Danau Sentarum National Park (DSNP), situated in West Kalimantan's Kapuas Hulu region, stands out as a unique destination. Meliau Hamlet, located within and around DSNP, servesasasettlementfortheDayak Ibantribe, preserving theirdistinctcustoms. The surrounding area boasts captivating landscapes, including lakes, swamps, rivers, and hills, drawing both domestic and international tourists. Recognizing this potential, the Melemba Village government established KPP Kaban Mayas, an ecotourism initiative. However, challenges such as limited human resources, insufficient infrastructure, and management issues hindered Meliau Hamlet's ecotourism operations. This research aimed to assess ecotourism development feasibility, economic viability, and community engagement. It also outlined the ecotourism management's business model and strategies. Data was gathered through field visits, interviews, and surveys. Analysis encompassed scoring tourist attractions, evaluating stakeholders, financial assessments, and community capital. The Business Model Canvas (BMC) described the business model, while strategies were formulated using SWOT analysis, Quantitative Strategic Planning Matrix (QSPM), and Blue Ocean Strategy (BOS). Results underscored natural resources as vital assets for ecotourism. Meliau Hamlet's ecotourism could thrive by focusing on value proposition, keyresources, keyactivities, and keypartnerships.
Karakteristik Energi Limbah Tebangan Jati Klonal dari Paliyan-Gunungkidul Denny Irawati; Aditya Nur Cahyo; Yusi Dian; Joko Sulistyo; Sigit Sunarta; Rini Pujiarti; Ganis Lukmandaru; Johanes Pramana Gentur Sutapa
Jurnal Ilmu Kehutanan Vol 17 No 2 (2023): September
Publisher : Faculty of Forestry Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v17i2.6852

Abstract

Breeding teak with a clonal system was a common practice to enhance productivity and reduce rotation. A private company in Paliyan Sub-District, Gunungkidul Regency, Indonesia, developed Jati Unggul Nusantara (JUN) through vegetative propagation, particularly cloning, using cuttings. JUN had gained widespread popularity as a replacement for conventional teak varieties for commercial purposes. The utilization of JUN commercial timber left various non-commercial biomass forms, such as leaves, branches, and twigs. This research aimed to assess JUN logging waste biomass's energy potential and characteristics across different tree-age stands. This research used non-commercial biomass from six- and eight-year-old trees, including branches, twigs, leaves, stumps, and unmerchantable top stems. The results showed that the average dry weight of JUN logging waste from six- and eight-year-old trees was 31.5 and 53.5 kg/tree, while the calorific value ranged from 4516.4–5177.7 cal/g. This waste had good characteristics as an energy material, specifically from the part of unmerchantable top stems with a high fuelwood value indexof 6579.6.

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