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INDONESIA
Indonesian Journal of Geography
Published by Universitas Gadjah Mada
ISSN : 00249521     EISSN : 23549114     DOI : -
Core Subject : Science,
Earth & Planetary Sciences
Indonesian Journal of Geography ISSN 2354-9114 (online), ISSN 0024-9521 (print) is an international journal of Geography published by the Faculty of Geography, Universitas Gadjah Mada in collaboration with The Indonesian Geographers Association. Our scope of publications includes physical geography, human geography, regional planning and development, cartography, remote sensing, and geographic information system. IJG publishes its issues three times a year in April, August, and December.
Arjuna Subject : -
Articles 16 Documents
 1   2 
Search results for , issue "Vol 54, No 1 (2022): Indonesian Journal of Geography" : 16 Documents clear
Biomass carbon stock assessment of mangrove ecosystem in Pannikiang Island South Sulawesi Indonesia Abdul Malik; Uca Sideng; Jaelani Jaelani
Indonesian Journal of Geography Vol 54, No 1 (2022): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.46989

Abstract

One of the essential services provided by mangroves is carbon sequestration, and therefore climate change mitigation. While previous assessments of mangrove carbon stocks and sequestrations have focused on the estuarine and deltaic mangrove setting, there are still limited studies carried out at small island mangroves. The study aims to assess mangrove biomass carbon stocks in Pannikiang, a small island in South Sulawesi, Indonesia, which occupies 91.64 ha of species-rich pristine mangrove forests. A field-based data collection survey was performed using a circular plot approach, while above-ground tree carbon (AGC) and below-ground root carbon (BGC) stocks were estimated using available species-specific allometric equations. The mean AGC and BGC were 5.34 ± 0.17 and 1.68 ± 0.04 Mg C ha-1, respectively. Bruguiera gymnorrhiza mangrove species stored the greatest of carbon stocks, followed by Scyphiphora hydrophyllacea. Carbon stocks obtained from small island mangroves in this study were lower than stocks assessed from other mangrove locations across Indonesia and Southeast Asia. However, historical rates of deforestation in Pannikiang Island may generate emissions to approximately 82.17 Mg CO2-eq. Findings from this study will be beneficial in providing baseline data for policy decision-making on climate change mitigation in the region, specifically for improved land use management via a low carbon development agenda.
Urban Form and Transportation Energy Consumption in Depok, Indonesia Devina Widya Putri; Petrus Natalivan Indradjati
Indonesian Journal of Geography Vol 54, No 1 (2022): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.56680

Abstract

By combining transportation energy use per capita for main, side, and weekend activities, this study explores the correlation between transportation energy consumption and urban form at a village scale. Conducted in Depok, a satellite city of the Jabodetabek metropolitan area, Indonesia, four different urban form variables were measured, including population density, land use mix, street connectivity, and public transportation range area. Four other socio-economic variables, i.e., private vehicle ownership, driving license ownership, job type, and monthly income, were also considered in the analysis. Data on individual energy consumption in the transportation sector was acquired through an online questionnaire. The results of correlation analysis and one-way analysis of variance highlighted three main findings related to transportation energy consumption. First, the population density and the street connectivity were found to be correlated with the amount of transportation energy consumed. Second, the middle urban form compactness level outweighed the high compactness level in terms of energy consumption per capita per week. Finally, differences in private vehicle ownership, driving license ownership, and job type resulted in different transportation energy usage.
Comparing Mining and Palm Oil Plantation Impacts on the Human Security of Local Communities Suyani Indriastuti
Indonesian Journal of Geography Vol 54, No 1 (2022): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.59754

Abstract

Coal mining and palm oil plantations are important sectors for supporting development in Indonesia. However, these sectors are criticized as the cause of horizontal conflicts, deforestation, and natural disasters that threaten the human security of local communities. This paper aims to compare the extent to which coal mining industries and palm oil plantations have impacted the human security of local communities. For this purpose, this study applies comparative process tracing in the case of Kalimantan Timur and Kalimantan Tengah. This research found that palm oil plantations have lower negative impacts on the human security of local communities than coal mining industries. Mining has co-opted the livelihood of local communities. Local communities, most of whom initially work as farmers, lose job opportunities due to the transfer of agriculture to mining, which does not fit with the agency of local communities. In contrast, palm oil plantations establish cooperation with local laborers and local farmers in the Nucleus Estate Smallholder scheme (NES) which prevents unemployment. Therefore, in the context of local communities’ human security, it is better for government to develop palm oil plantations than coal mining.
The Socio-economic Conditions of Fishers on Indonesia's Beeng Laut Island Costantein Imanuel Sarapil; Eunike Irene Kumaseh; Getruida Nita Mozes
Indonesian Journal of Geography Vol 54, No 1 (2022): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.60546

Abstract

This study aimed to determine the socio-economic conditions related to marketing margins of demersal fish in Beeng Laut Island, Sangihe Archipelago Regency, North Sulawesi Province, Indonesia, using survey methods with interview and questionnaire techniques. Most fishers on Beeng Laut Island have a primary school education, houses constructed using wood, and an age range of 20 to 30 years. Margin marketing demersal fish on Channel marketing III (P à Pp à Pe à Ka) and Channel IV (P à Pp à Rm à Ka) is inefficient due to the limited electricity supply. This has an indirect effect on fish quality due to a lack of readily available ice to handle catches. Increased demersal fish marketing efficiency may result in a significant revenue for fishers. Therefore, the government should boost energy availability to enable people create and purchase ice to aid with fish preservation. It should also establish cooperatives for fishers and provide alternative work, such as conservation activities or marine tourism development.
Structure and tree diversity of an inland Atlantic Forest–A case study of Ponte Branca Forest Remnant, Brazil Antonio Tommaselli; Nilton Imai; Adilson Berveglieri; Mariana Thomaz; Gabriela Miyoshi; Baltazar Casagrande; Raul Guimarães; Eduardo Ribeiro; Eija Honkavaara; Mariana Campos; Raquel de Oliveira; Hassan David; Rorai Martins-Neto
Indonesian Journal of Geography Vol 54, No 1 (2022): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.61120

Abstract

The Atlantic Forest is the most fragmented and threatened domain in Brazil. The main remnants are in the coastal regions. This paper describes a study performed at a protected federal reserve in Brazil located in western of São Paulo state, which is a transition with the Savannah. A forestry survey was made for understanding the forest structure, diversity, and floristic composition of an inland Atlantic Forest area. A total of 3,181 individuals with a Diameter at Breast Height over 3.5 cm were sampled. The data sample was composed of 29 families and 64 species from 15 plots. Forty-seven percent of the species were classified as a pioneer, 42% as secondary, and 11% as climax. The species Eugenia uniflora presented the highest importance value index. The values of Shannon-Weaver diversity and Pielou equitability index indicate the area has less diversity than others in the same phytophysiognomy and was dominated by a few species with many individuals. Several anthropogenic disturbances altered the forest cover of the Ponte Branca Forest remnant, which is in the process of secondary succession.
Sustainable Tourism Development in Indonesia: Bibliometric Review and Analysis Megandaru Widhi Kawuryan; Aqil Teguh Fathani; Eko Priyo Purnomo; Lubna Salsabila; Novia Amirah Azmi; Deni Setiawan; Mochammad Iqbal Fadhlurrohman
Indonesian Journal of Geography Vol 54, No 1 (2022): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.64657

Abstract

Along with the many potentials in developing the tourism sector and impressive research in the tourism sector, in the last ten years, interest in studying and researching the sustainability of the development of Indonesia's tourism sector has continued to increase significantly. However, despite the increase, the scientific literature published so far has not evaluated in detail the sustainability of Indonesia's tourism development. This study analyzed 861 articles published until February 2021 in the Scopus database on Indonesia's tourism development sustainability. In conducting the analysis, the VosViewer software was used to find results about the most contributing authors, the number of citations, regions, organization, publica-tions and co-occurrences of keywords that could provide new gaps in future research. The results obtained showed trends and impacts of literature published to date, then new gaps/novelties for further research related to the themes of sport tourism, mangrove tourism, sharia tourism and Indonesia's tourism resilience were found. With these results, the next researchers should raise the theme so that Indonesian tourism's sustainability can develop adequately to have a more significant impact in the future.
Investigation of a Relation between Radiogenic Heat Production Rate (RHPR) and Land Surface Heat Temperature (LST) from Thermal Bands of ASTER and Landsat-8 (TIR-Data): Case Study of West Ras Gharib area North Eastern Desert, Egypt Samah Saeed Abdeen; Sami Hamed Abd El Nabi; Moataz El said El Manawy; Reda Esmat El-Arafy; Karam Samir Farag
Indonesian Journal of Geography Vol 54, No 1 (2022): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.64975

Abstract

In this paper, an attempt was tried to study the relation between the land surface heat temperature (LST), extracted, from the thermal emission infrared data (ASTER-TIR) and (Landsat-8-TIR) imagery and radiogenic heat production rate (RHPR) that calculated from airborne gamma-ray spectrometric data applied on west Ras Gharib area at Northeastern Desert of Egypt. The area is geologically covered mainly by Precambrian basement rocks, which are unconformably overlain by Phanerozoic sedimentary succession. The method used for extraction land surface heat temperature for both ASTER-TIR and Landsat-8-TIR images is the reference channel emissivity technique and founded as the best method comparing to others. The study results showed a relative higher RHPR threshold value reached 4.8 μW/m3. On the other hand, ASTER-TIR Land Surface Temperature (AST-LST) ranges between 27.64oC to 47.2oC and, the Landsat 8-TIR Land Surface Temperature (LS8-LST) ranges between 30.64oC to 50.68oC. Comparing all results, there were a weak relationship or to some extent parallel relation between RHPR and satellite LST; as when the value of the Y-axis is constant, there are multiple values on X-axis, so it is not possible to deduce the value of one variable in terms of the other. The poor relation is regarded to the very weak RHPR which is not enough to affect the surface heat temperature, emission that could be detected by both thermal sensors of ASTER and Landsat-8 satellite TIR data. Other factors such as: topography, wind, shading and scattering, rock moisture and density, can strongly affect the surface temperature. In conclusion, the output results could be improved in areas of very high radioelement concentrations especially 235U, and through the use of the enhanced spatial resolution of future satellite TIR imaging instruments. 
Livelihood of Independent Waste Pickers (Tokai) at Dhaka City in Bangladesh: Does it Incidental Choice of them? Md. Abdul Malak; Sumaiya Fahim Prema; Abdul Majed Sajib; Nahrin Jannat Hossain
Indonesian Journal of Geography Vol 54, No 1 (2022): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.65461

Abstract

The study reveals the status of waste pickers, their livelihood asset profile and the vulnerability due to climatic and anthropogenic factors. It considered the independent waste pickers of Dhaka City, known as Tokai, who collect waste, especially recyclable and reusable materials. Using semi-structured interviews and personal histories, two groups of participants were explored qualitatively: independent waste pickers and other stakeholders. Waste-picking is sometimes the first source of income for persons displaced to Dhaka as a result of human and non-human changes. While most were homeless sheltering anywhere they could, they made a valuable contribution to the recycling industry and to improving environment and ensuring others' well-being, filling a gap left by councils failing to collect the waste produced daily by residents and industry. However, their efforts are largely unrecognized, and their labour stigmatized. Consequently, they have far less access to health, education, credit and utilities. Moreover, poverty and lack of family guidance may make them vulnerable to pursuing involvement in ill-advised political activism. The study concludes that the government and others need to shape a policy that takes into account the livelihood and survival needs of waste pickers and strive to ensure the provision of decent work within this sector and recognition of their societal contribution. 
Spatial Environmental Quality Assessment Of Settlement Area In Tangerang City Dwi Nowo Martono; Halvina Grasela Saiya; Saiful Amri
Indonesian Journal of Geography Vol 54, No 1 (2022): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.65825

Abstract

This study aims to describe the role of changes in the characteristics of spatial patterns on the environmental quality in Tangerang City, Indonesia. It was carried out by detecting and explaining the effect of thermal comfort on the residential area using a combination of spatial and statistical analysis methods. The results showed that the changes in the characteristics of the spatial pattern, which include building density, vegetation area, accessibility, and road network connectivity significantly affected the spatial environmental quality index (IKLS) and temperature heat index (THI). Meanwhile, the changes in THI were caused by the continuous decline in vegetation area and an increase in population due to the urbanization process of Jakarta and other cities.
Application of HEC-HMS model and satellite precipitation products to restore runoff in Laigiang river basin in Vietnam Ngo Anh Tu; Nguyen Huu Xuan; Nguyen Thi Tuong Vi; Phan Thai Le
Indonesian Journal of Geography Vol 54, No 1 (2022): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.66176

Abstract

The Laigiang river basin in the South Central Coast of Vietnam plays an important role in the socio-economic development of Binhdinh Province. In recent decades, the region has experienced commonly flooding in vast areas. This research aims to simulate event-based rainfall-runoff modelling, a historical flood event in December 2016, by applying the HEC-HMS model and rainfall data from CHIRPS. The CHIRPS data is an acceptable potential data input of the hydrology model. These have been confirmed through reliable validation indexes: The peak flood flow rate of 2,542.6 m3/s corresponds to the flood frequency of 5%; NSE with the value at 0.95; R2 coefficient reached 0.87; PBIAS being around 0.45, and PFC being at 0.89. It shows better performance in the rainy season than in the dry season. Inclusive, the CHIRPS rainfall data set and the HEC model could be used for some operational purposes in weather forecasting, especially for flood warnings in river basins in the South Central Coast, Vietnam.

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