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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 613 Documents
 56   57   58   59   60 
A Holistic Approach to Alleviating Water Poverty in Gresik Regency Ari, Ismu Rini Dwi; Dwi Purnamasari, Wulan; Aulia, Nasya; Mayori, Indriya Mardiana
Indonesian Journal of Geography Vol 56, No 3 (2024): 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.97621

Abstract

The lack of access to safe drinking water and the insufficient provision of individual drinking water needs are among the defining characteristics of slum areas. This study investigates the extent of this problem in Gresik Regency, East Java, Indonesia, a region characterized by the ubiquity of slum settlements across all sub-districts. The study aims to provide a comprehensive understanding of clean water access, water quality, and community capacity in managing water resources with implications for achieving sustainable housing. This study assesses water poverty levels using the Water Poverty Index (WPI), which considers five dimensions: resource availability, accessibility, capacity, usage efficiency, and environmental sustainability. The result shows the WPI of Gresik Regency revealed a score of 73.95, indicating a low level of water poverty, suggesting that the region's water security is in a good condition. Among the five dimensions constituting the WPI, the environmental dimension falls into the category of relatively high WPI or environmental poverty, with a score of under 50. This indicates that while access to water is available and affordable, issues related to waste management and future water resilience remain low. Water scarcity in the Gresik District is an illustration of global challenges related to water poverty, such as in Myanmar, India and South Africa, which have WPI values below 55. This research emphasizes the importance of a holistic approach in managing water resources by prioritizing environmental quality as the main priority
Environmental Degradation Analysis of Former Bengawan Solo River Lake Ecosystem Ade Yudono, Andi Renata; Suntoro, Suntoro; Danisworo, Conrad; Ikhsan, Cahyono
Indonesian Journal of Geography Vol 56, No 3 (2024): 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.97906

Abstract

The ecosystem of the former river section lake in the research area formed by the straightening of the river and located in the Sub-Urban area, faces significant environmental degradation such as pollution, erosion, and water shrinkage that threaten its sustainability. The magnitude of environmental degradation that occurs needs to be studied because it can result in a reduction in clean water and shallowing of the lake. Compared with lakes such as Poyang Lake in China, which has experienced a decline in water quantity and quality due to seasonal fluctuations, climate change and waste, this study offers a similar perspective by highlighting the interaction of natural and human factors, and adds a new dimension related to degradation caused by erosion. This study uses a comprehensive approach, namely by combining image analysis, field measurements using measuring sticks, USV, geodetic GPS, laboratory analysis, and interviews. The results of the study indicate that the lake water quality status ranges from "moderately polluted" to "heavily polluted," while the groundwater quality varies from "meets quality standards" to "lightly polluted." The high water quality status is caused by human activities and land conditions, as well as the high rate of erosion around the lake reaching 289.63 tons/ha/year, with an average soil loss of 0.11 tons/year. In addition, the lake in the study area has shrunk by up to 72% due to seasonal fluctuations and climate change. Based on this, effective management is needed to maintain the ecological balance and environmental health of the former river section lake.
Deforestation Characteristics between 2006 and 2020 over Tropical Forest in Central Kalimantan, Indonesia Segah, Hendrik; Afentina, Afentina; Fatkhurohman, Fatkhurohman; Aguswan, Yusuf
Indonesian Journal of Geography Vol 57, No 1 (2025): 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.90049

Abstract

Deforestation is reported to possess a vast and detrimental impact on the environment, economy, and social aspects of the community. In this context, the phenomenon should be assessed and analyzed to inform the decision-maker overseeing issued policy and development strategies. Therefore, this research aimed to characterize deforestation in Central Kalimantan between 2006 – 2020 using land cover map issued by the Indonesian Ministry of Environment and Forestry. Changes in natural forest cover were calculated and analyzed using the Remote Sensing and Geographical Information System (GIS) to determine trend, location, and land cover replacement of deforestation, reforestation, and degradation in Central Kalimantan Province, Indonesia. A series of Landsat images from 2000 to 2020 was used with a spatial resolution (30 m) and frequent revisit cycles. Additionally, the levels of forest loss, restoration, and degradation were accurately mapped by analyzing spectral bands and vegetation indices, providing valuable information for conservation efforts and other land-based policies. The results showed that Central Kalimantan lost 1.5 million ha of natural forest with a rate of deforestation of 117,000 ha/year from 2006 to 2020. Deforestation showed a decreasing trend and fluctuation in secondary swamps and dry forests located in the southern part of the island. This research could be used as a base to determine the target location for rehabilitation strategy to prevent further deforestation.Received: 2023-10-23 Revised: 2024-01-11 Accepted:  2025-01-24 Published: 2025-02-12
Smart Cities and Environmental Sustainability: Evaluating the Nexus in South-West Nigeria ZAKKA, Solomon Dyachia; AGBOOLA, Oluwagbemiga Paul; Olatunji, Solomon Ayodeji; YAKUBU, Sunday Ukwe-Nya
Indonesian Journal of Geography Vol 57, No 1 (2025): 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.93429

Abstract

Smart cities leverage advanced technologies like Internet of Things (IoT) devices, Artificial Intelligence (AI), and large-scale data analytics for gathering and interpreting data for informed decision-making and improved service delivery.  This study focuses on the nexus between smart city development initiatives and environmental sustainability geared towards enhancing a better human settlement in the South-west region, of Nigeria. One of the objectives is to identify and evaluate the factors contributing to the development of smart city initiatives and to evaluate their contributions towards environmental sustainability. An empirical Quantitative approach method comprising Questionnaires was used. A total of three hundred (300) sample Questionnaires were administered and two hundred and eighty-six (286) questionnaires were retrieved and used for analysis. The distribution of Questionnaires cut across professional experts within the built environment and relevant stakeholders. Analysis was done, using the regression technique of the Statistical Package for the Social Sciences (SPSS) software, Version 22. Some of the results included the following: smart economic factors such as Entrepreneurship and Innovation (B = 0.899, sig. = 0.001) Productivity, (B = 0.794, sig. = 0.001) Local and global interconnectivity (B = 0.713, sig. = 0.001). Similarly, the smart mobility factors, have mixed and modal access (B = 0.632, sig. = 0.001); Prioritized clean and non-motorized options (B = 0.604, sig. = 0.001); Integrated ICT (B = 0.656, sig. = 0.001). Generally, the study revealed that smart economy, smart mobility, and smart environment have the most influence on the achievement of environmental sustainability in South-west, Nigeria.Received: 2024-01-23 Revised: 2024-08-02 Accepted: 2025-01-24 Published: 2025-02-12 
Analysis of Population Growth Trends Based on Geographic Information Systems in East Jakarta Aryaguna, Prama Ardha
Indonesian Journal of Geography Vol 57, No 1 (2025): 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.98644

Abstract

The increase in population is accompanied by equal distribution. In this context, population density of Jakarta is partly due to urbanization and long-term settlement. Therefore, this research is carried out to identify sub-districts experiencing the fastest population growth and the accommodated capacity. Population issues must be a central point of sustainable development allowing every resident and future generations to live healthily, prosperously, productively, and harmoniously with the environment. The relationship between population growth rate (PGR) and spatial aspects such as healthcare facilities, trade facilities, transportation facilities, government offices, education facilities, industry, and the availability of residential buildings from 2017 to 2022 is determined through Geographic Information System (GIS)-based analysis using statistical methods. The trend of PGR in East Jakarta sub-districts is high in the northwest and north, bordering Central and North Jakarta. Meanwhile, spatial aspects influencing high population growth are the availability of residential buildings and schools. Increased residential buildings and public schools in a sub-district due to the zoning policy in student enrollment are directly proportional to population growth.Received: 2024-07-27 Revised: 2024-10-18 Accepted: 2025-01-30 Published: 2025-02-12  
Potential of UAV-Generated Orthophotos in Assessing Environmental Vulnerability to Landslides in Ngasinan Village, Purworejo Regency, Central Java Astuti, Yeni; Sartohadi, Junun; Samodra, Guruh
Indonesian Journal of Geography Vol 57, No 2 (2025): 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.83487

Abstract

Ngasinan Village in Bener District, Purworejo Regency, has mountainous and sloping topography, which increases the risk of landslides. However, there is currently no available information regarding the village's environmental vulnerability to landslides, which is essential for disaster mitigation planning. This study aims to assess the environmental vulnerability to landslides in Ngasinan Village using orthophotos as an alternative to a census. The primary data used in this research include aerial photographs taken by an unmanned aerial vehicle (UAV) and Ground Control Points (GCPs) to ensure the accuracy of the orthophotos. The vulnerability parameters analyzed include socio-economic and physical environmental aspects. Aerial photo interpretation was used to identify building structures, the type of predominant walls, building age, building area, electricity usage, and distance from proper roads. The Digital Terrain Model (DTM) was used to extract parameters such as topographic clusters, topographic elevation, distance to steep slopes, and distance to very steep slopes. Environmental vulnerability analysis was conducted using interview data and questionnaires from research samples. The results show that Ngasinan Village falls into the medium vulnerability class. Orthophotos proved to be an accurate data source for assessing environmental vulnerability to landslides, with an accuracy rate of 86.66%. Furthermore, information on the vulnerability of houses to landslides can be obtained more easily and quickly through observation and interpretation of orthophotos compared to the census method. Received: 2023-03-29 Revised: 2023-07-31 Accepted: 2025-06-05  Published: 2025-06-16
The Effects of Urbanization on Indonesian Community and Environment Noviani, Rita; Saputra, Aditya Eka; Rochmatullah, Mahameru Rosy
Indonesian Journal of Geography Vol 57, No 1 (2025): 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.90161

Abstract

This research aims to analyze the impact of urbanization on environmental and socio-economic resilience of communities by investigating the Sukoharjo region in Indonesia. Several components of urban ecosystem were considered, including geological formations, geomorphological conditions, and eco-regions. Meanwhile, the analysis of urban socio-economic aspects focuses on community well-being and urban facilities. The research uses 180 observation samples in the analysis process. The result shows that urbanization deteriorates soil fertility, agricultural land, and the availability of clean water through panel data regression. In addition, urbanization has successfully increased per capita income, employment opportunities, and the development of public facilities, posing a dilemma for policymakers. This shift in population needs to be pursued by some communities to preserve urban ecosystem. Urbanization has a positive and negative impact on community welfare and ecosystems, respectively. In this context, future research must adopt effective methods for managing urbanization and urban ecosystems.Received: 2023-10-26 Revised: 2024-01-25 Accepted: 2025-02-19 Published: 2025-03-25 
Simeulue Earthquake Activity Analysis Using the MLE Method Wattimanela, Henry Junus; Puspito, Nanang Tyasbudi; Batkunde, Harmanus
Indonesian Journal of Geography Vol 57, No 1 (2025): 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.91332

Abstract

The territory of Indonesia is prone to a high level of tectonic earthquake vulnerability including In Simeulue Regency, one of the regions of Aceh Province. Therefore, this study aimed to analyze level of tectonic earthquake activity in Simeulue Regency and its surroundings divided into four Sub Regions (I, II, III, and IV). The data used spanned 1940-2020 and were sourced from the ISC with the criteria of the depth being <60km and a magnitude of 3Mw. The seismic features were elucidated through descriptive statistics, while the determination of 'a' and 'b' values for individual Sub Region was accomplished by using the maximum likelihood estimation (MLE) method. The results showed that the highest distribution of earthquakes was at a depth of 15-44.9 km and magnitude at intervals of 3.0-4.9 Mw, specifically in Sub Region III. The largest Mc value was found in Sub Region I, while Sub Region III had high seismic activity and rock heterogeneity. In addition, this area had a large seismicity index and the shortest return period at intervals of magnitude 3.0≤M<4.0. Sub Region I on the other hand had a longer seismicity index at intervals of magnitudes 4.0≤M<5.0,5.0≤M<6.0, and M≥6.0.Received:2023-12-02  Revised:2024-01-11 Accepted:2024-12-07 Published:2025-04-27
An Assessment of Spatial Distribution and Utilisation of Some Medicinal Plants in Rural Communities of Osun State, Nigeria Kolawole, AWOYEMI Olakunle; Paul, AWOTAYO Gbenga; A, Ishaq Abdukarim; John, AKINOLA Oluseyi; Ogunsumi, Akintunde A
Indonesian Journal of Geography Vol 57, No 1 (2025): 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.92172

Abstract

The utilization of herbal products, particularly by rural communities, remains a vital component of an integrated healthcare system, addressing a myriad of prevailing illnesses and diseases. This study investigates the distribution and usage of medicinal plants in selected rural communities of Osun State, Nigeria. Employing a multi-stage sampling technique, three rural local government areas one from each senatorial district of Osun State were chosen for the study. Data were collected qualitatively through interviews with residents and herbal product merchants in the study areas. The analysis employed a content analysis framework and an interdisciplinary approach. The findings revealed the documentation of 43 plant species, categorized by their family, botanical, common, and indigenous names. Key details, including the plant parts utilized, preparation methods, dosage, and the ailments treated, were also recorded. Leaves were the most frequently used plant parts, followed by barks, roots, and fruits. The most commonly treated ailments included malaria, skin diseases, irregular menstrual flow, and typhoid fever. Additionally, plants such as ginger, turmeric, cinnamon, and black pepper were widely used as immune boosters during the COVID-19 pandemic, particularly in rural communities with limited access to vaccines. The study highlighted that limited access to conventional healthcare and the high cost of orthodox medicine have driven rural populations to rely heavily on herbal remedies, especially during the pandemic. However, factors such as deforestation, urbanization, wildfires, and inadequate documentation of medicinal plants threaten their availability and sustained usage. The study recommends the integration of herbal and orthodox medicine into a cohesive healthcare framework, particularly in light of the COVID-19 pandemic, which disproportionately affected urban populations. Emphasis on the conservation of medicinal plants and the establishment of herbal gardens, even among urban dwellers, is suggested to amplify their role in healthcare and ensure sustainable utilization.Received: 2023-12-20 Revised: 2024-07-11 Accepted: 2025-03-07 Published: 2025-04-27
Rice Fields Suitability Zonation in North Penajam Paser Regency Using Multicriteria-Based Simple Additive Weighting (SAW) and GIS Fitriana, Lely; Susanto, Sahid; Supadmo, Sigit; Ngadisih, Ngadisih; Setyawan, Chandra; Zaki, Khoiru
Indonesian Journal of Geography Vol 57, No 1 (2025): 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.93784

Abstract

The East Kalimantan Provincial Government has designated North Penajam Paser Regency as one of rice food supports for the National Capital City (IKN) of the Archipelago. This decision is based the domestic production which met and even exceeded demand in 2020. One step to support rice production is to identify land with the greatest potential for cultivation. Therefore, this study aimed to analyze land suitability zonation for rice production using the criteria of climate, topography, and soil properties, as well as infrastructure. Land suitability was evaluated using simple additive weighting (SAW), multicriteria, and GIS methods taking into account the factors of drainage, soil depth, texture, type, rainfall, temperature, slope, distance from road, distance from river, and land use land cover. Suitability zonation (classes) were arranged based on land suitability classification outlined by the Food and Agriculture Organization (FAO, 1976) in Minister of Agriculture Regulation No. 79 of 2013, namely Very Suitable (S1), Moderately Suitable (S2), Marginally Suitable (S3), Not Suitable (N1). The results showed that the areas classified as highly, moderately, marginally, and not suitable were 4,960 ha (3.1%), 103,738 ha (65.5%), 44,889 ha (28.4%), and 4,708 ha (3.0 %) respectively.Received:2024-02-01 Revised:2024-09-26 Accepted:2025-03-11 Published: 2025-04-27

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