Vol. 10 No. 1 (2025): Environmental Impacts
Published:
03/06/2025
Articles
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Coastal Development Implications to changes of Coastal Typology in Denpasar City Environment
Dewa Made Atmaja Universitas Pendidikan Ganesha Indonesia , I Made Gunamantha Remote Sensing Engineering Technology Study Program, Geography Department, Faculty of Law and Social Science, Universitas Pendidikan Ganesha Indonesia , Ida Bagus Arya Yoga Bharata Universitas Pendidikan GaneshaThe physical development that occurs can change natural landscape units and none other than that is the coastal typology in the coastal area of Denpasar City with high development intensity. This research aims to describe the implications of coastal development on changes in coastal typology in Denpasar City. The method in this research design is quantitative descriptive using QGIS tools for analysis and Landsat satellite image data available on Google Earth Pro for the period December 1990, 2005, and 2020. The results of the research show that in development implications for changes in coastal typology that occur in the coastal area of Denpasar City include the addition or widening of the coastline for the anthropogenic coast coastal typology for the 1990-2005 period which was ±21.12 km long and in the 2005-2020 period it was increased to ±5.14 km long. The widening of the coastline in the marine deposition coast typology experienced an increase of ±1.7 km in the 1990-2005 period. Changes that occurred as a result of development implications that occurred during the 1990-2005 period also included the loss of the marine deposition coast typology along ± 10.61 km. Apart from that, in the same period, ± 1.66 km along the coastal typology of build-by organisms disappeared. Residential settlements on Serangan Island, which included the anthropogenic coast typology, also disappeared during this period for ± 1.18 km.Pages: 1-10Views: - Downloads: -The Combination of Medium and Method of Cultivation on The Growth Performance of Porphyridium cruentum
Hasanah Hasanah Universitas Jambi Indonesia , Wulandari wulandari Universitas Jambi Indonesia , Afriani afriani Universitas Jambi , M. Hariski Indonesia , Dyah Muji Rahayu Universitas Jambi , Rahma Dini Arbajayanti Universitas Jambi IndonesiaPorphyridium cruentum has advantages in pigments and exopolysaccharides, so it has the potential to be developed in the food, pharmaceutical, nutraceutical, and cosmetic industries. Porphyridium cruentum cultivation media uses synthetic and indoors, causing high costs. This study aims to determine the growth performance of Porphyridium cruentum in different mediums and method of cultivation. The research methods used cultivating Porphyridium cruentum for 7 days with four treatments, namely indoors Guillard media (IGM), outdoors Guillard media (OGM), indoors fertilizer media (IFM), and outdoors fertilizer media (OFM. Each treatment had three replications. Growth was identified using an optical density spectrophotometer uv-vis, gravimetrically dried weight of biomass and pH adjustment during 7 days of cultivation. The result shows the best growth performance in IFM, followed by IGM, OFM, and OGM. Fertilizer media is better for the growth of Porphyridium cruentum than Guillard media. pH growth Porphyridium cruentum during cultivation 7-7.5. Indoor cultivation is better than outdoor cultivation. The highest biomass was IFM, which had the best performance in IFM with OD 0.247, pH 7, and biomass 79.6%.
Pages: 11-16Views: - Downloads: -Isolation and Characterization of Lactic Acid Bacteria in Cincalok from Pengujan Village, Riau Islands
Yulia Oktavia Maritim Raja Ali Haji University Indonesia , Ayu Abiyyah Maritim Raja Ali Haji University Indonesia , Jumsurizal Jumsurizal Maritim Raja Ali Haji University Indonesia , Wulandari Wulandari Universitas Jambi IndonesiaCincalok is a fermented food made from Acetes sp. The fermentation process requires the help of lactic acid bacteria. Lactic acid bacteria during the fermentation process function as antimicrobials, flavor enhancers, and extend food storage time. The research aimed to isolate and identify lactic acid bacteria contained in cincalok. Isolation was done to get a pure culture of bacteria grown on MRSA with the pour plate technique. The Morphological test was done to know the character of the colony and cell, and biochemical characterization was also done. The result of this study showed there are 5 isolates of bacteria have been isolated from Cincalok. The results of morphological and biochemical characterization showed that 5 isolates are lactic acid bacteria.Pages: 17-21Views: - Downloads: -Textile wastewater treatment using Moringa oleifera seeds: optimization via polyacrylamide combination
Muhammad Rendana Department of Chemical Engineering, Faculty of Engineering, Universitas Sriwijaya, Indralaya 30662 Sumatra Selatan, Indonesia Indonesia , Fadhlurrahman Renaldi Undergraduate Student of Chemical Engineering Program, Faculty of Engineering, Universitas Sriwijaya, Indralaya 30662 Sumatra Selatan, Indonesia Indonesia , M. Naufal Akbar Undergraduate Student of Chemical Engineering Program, Faculty of Engineering, Universitas Sriwijaya, Indralaya 30662 Sumatra Selatan, Indonesia Indonesia , Susi Susanti Department of Chemical Engineering, Faculty of Engineering, Universitas Sriwijaya, Indralaya 30662 Sumatra Selatan, Indonesia Indonesia , Dwi Hardestyariki Department of Biology, Faculty of Mathematic and Natural Resources, Universitas Sriwijaya, Indralaya 30662 Sumatra Selatan, Indonesia IndonesiaMoringa oleifera (MO) seeds have a protein with positive charges which act as cationic polyelectrolyte and active substances; rhamnosyloxy benzyl isothiocyanate. These substances are useful to reduce and adsorb pollutants and dyes in textile wastewaters. However, the use of MO seeds as a coagulant is inadequate to improve the wastewater quality. Therefore, in this study, the coagulation performance was improved by the addition of anionic polyarcylamide (PAM). Results revealed that the combination of MO+PAM showed a better performance than MO only. The removal efficiency of wastewater parameters enhanced to 88.83%, 80.58%, 19.90%, and 5.86% for dye, TSS, BOD, and COD, respectively. The addition of PAM in MO coagulant also assisted in reducing the settling time significantly (30 min). Furthermore, SEM images proved that dye solid and MO seeds combine to create clumps or flocs. Then, dye substances were drawn or trapped by the porous nature of the charge-containing MO seeds.  As a whole, the use of MO+PAM give a new notion in treating textile wastewater quality.
Pages: 22-26Views: - Downloads: -How Robust Is Local Knowledge? The Role of Pranata Mangsa in Rice Production
Budiyoko Budiyoko JENDERAL SOEDIRMAN UNIVERSITY Indonesia , Exwan Andriyan Verrysaputro Jenderal Soedirman University Indonesia , Sunendar Sunendar Jenderal Soedirman University IndonesiaThe Bonokeling indigenous community of Banyumas District is still insisting on continuing its various traditions and local wisdom within various phases of life. One form of local wisdom possessed by the people of Bonokeling is the pranata mangsa, a calendrical system based on the apparent motion of the sun, which is widely used by Javanese farmers to determine planting times for agricultural commodities. This research was conducted in a bid to analyze the application of pranata mangsa and its impact on rice yield. In that respect, this qualitative-quantitative study uses primary data collected from interviews conducted among 50 farmers within the Bonokeling community and secondary data taken from the previous research and publications by related institutions. Data analysis used in the Wilcoxon signed-rank test. The result shows that there is no significant difference in the rice produced between farmers who used pranata mangsa and those who did not. This might probably be explained by increased uncertainty of the seasons due to climate change.Pages: 27-33Views: - Downloads: -Ecotourism Product Development Strategy at Bunder Forest Park in Gunung Kidul
Nabilla Rasya Syaharani Indonesia , Rizal Arya Prayuda Indonesia , ike Nurjuita Indonesia , supriyadi supriyadi Indonesia , ana agustina IndonesiaConservation area in Tahura Bunder has the potential for natural resources and environmental services that can supply the strengthening of the tourism sector. Special interest nature tourism through educational tourism/educational tourism is a special attraction. The strategy for developing educational tourism is a great opportunity in developing educational tourism. For this reason, this research is important in analyzing these opportunities. This research was conducted on March, 2024, taking qualitative data in the form of descriptive information, narratives, images, or symbols which were then analyzed using an inductive approach with quantitative descriptive analysis. The results of the study show that there is potential for landscapes and views that can be developed, as well as SWOT and alternative approaches that can be taken for the development of the BunderForest Park as an ecotourism product. landscapes and views that can be developed.
Pages: 34-40Views: - Downloads: -Analysis of Ecotourism Development Typology in Indonesia: A Scoping Review
Albertus Erico Jerry Krisna Nugroho Department of Geography Education, Faculty of Teacher Training and Education, Universitas Sebelas Maret. Indonesia , Agung Hidayat Department of Environmental Science, Graduate School, Universitas Sebelas Maret, Ir. Sutami 36 A Road, Surakarta City, Central Java Province, 57126 Indonesia Indonesia , Anastasia Verdilla Department of Agronomy, Faculty of Agriculture, Universitas Gadjah Mada, Bulaksumur Road, Sleman Regency, Yogyakarta Special Region Province, 55281 Indonesia IndonesiaThis research examines the typology of ecotourism development in Indonesia through a scoping review approach by analyzing 37 scientific articles. The results show seven main categories of ecotourism development: education-based, regional or local potential, community, local wisdom, national regulation or strategy, conservation, and disaster mitigation. Each category illustrates a specific approach tailored to Indonesia's geographical, social and cultural conditions. Community-based approaches and local wisdom support active community engagement, while conservation and disaster mitigation-based approaches emphasize the importance of environmental preservation in the face of climate change. By combining perspectives from various disciplines, this research offers novelty in systematic mapping of ecotourism management. Analysis of the effectiveness of government policies, more in-depth exploration in less accessible areas, and the use of digital technology in tourism area management are some recommendations for further research. These results can be an important reference for readers around the world who are interested in ecotourism practices in tropical and developing countries. In addition, they can provide guidance to support sustainability for policy makers, academics, and ecotourism practitioners.
Pages: 41-51Views: - Downloads: -Evaluation of the Utilization of Palm Oil Mill Liquid Waste with the Land Application method at PT. X
Muhammad Izhar Magister Program Student on Management of Environmental Study, Sriwijaya University, Indonesia , Muh. Bambang Prayitno Universitas Sriwijaya Indonesia , T. Zia Ulqodry Universitas Sriwijaya IndonesiaPalm oil mill effluent (POME) as one of the largest wastes produced in the crude palm oil (CPO) production process is one of the significant environmental challenges in the palm oil industry. POME contains low pH and also contains organic and highly nutritious materials so that it has the potential to be utilized. The land application method has been proposed as one solution to utilize POME sustainably. This study evaluated the utilization of POME through the land application method at PT. X, with a focus on the palm oil mill liquid waste management system and its effect on surface water quality. The data obtained showed that the PT.X palm oil mill liquid waste management system already succeeded in reducing BOD levels by 64.83%. The results of surface water quality tests in the upstream and downstream water bodies around the activity location also showed that most parameters were still below the quality standards required by the government regulations. However, supervision of the implementation of land application must always be carried out because it also has a risk of water pollution if not managed properly.Pages: 52-58Views: - Downloads: -Make a Submission
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