bluuebunny/crossref_metadata_2025_split huggingface dataset:
Analysis of the sustainability of water supply in Balikpapan City using multi-dimensional scaling
Authors: Harfadli M M , Ulimaz M 
Published: April 2021

Abstract
One of the issues of environmental priority in Balikpapan City is the limited availability of raw water. Based on the problem, it is necessary to carry out a sustainability analysis to determine the status sustainability of clean water supply for Balikpapan city. The purpose of this research is to analyze the sustainability of clean water supply in Balikpapan City based on environmental, economic, social, infrastructure and technology dimensions, legal and institutional dimensions. The research location was in The Balikpapan City with a research time of six months. This research uses primary data and secondary data obtained through literature studies, stakeholder interviews, and field surveys. The technique of determining respondents used a proposive sampling technique. Sustainability analysis using the Rapid Appraisal of the Status (RAP) technique that consists of Multi-Dimensional Scaling (MDS) analysis, Monte Carlo analysis, and Leverage analysis. The results showed that the provision of clean water in the city of Balikpapan is relatively sustainable in environmental dimensions (51.48), economic dimensions (63.49), infrastructure and technology dimensions (50.57), and legal and institutional dimensions (56.14). but relatively unsustainable on the social dimension (47.69). Besides that, it is known five attributes that are most sensitive or influence the sustainability of water supply in Balikpapan city. They are water conservation areas, availability of paying for water usage, community participation in reforestation programs, water treatment plant conditions, cooperation between stakeholders
The amelioration of tidal peatland to improve liberica coffee productivity in Jambi
Authors: Ferry Y , Putra S , Wulandari S 
Published: April 2021

Abstract
Liberica coffee is a type of coffee that is adaptable to peatlands. The farmers in Jambi has been using peatland to grow Liberica coffee. However, after more than 15 years the productivity started to decline by 25%. This study aims to increase the productivity of Liberica coffee in tidal peat soils. The study used a randomized block design with soil ameliorants as treatments, namely (P0 as control) no ameliorants, (P1) dolomite, (P3) manure, (P4) biofertilizer, (P5) dolomite + manure, and (P6) manure + biofertilizer. Four replications were used with plot size 2 x 5 plants. The total samples of the study were 280 plants. Maintenance of the area and plants includes weeding, cleaning tertiary channels, cleaning the plant areas. Simultaneously, parameters observed, including the number of branches, number of bunch/branches, number of berries, berries production, number of berries/100 g. Vegetative parameters were the increase in plant height and number of branches. Another parameter was soil analysis. The results showed that amelioration of peatland increased nutrition in the Liberica coffee leaf. Dolomite application increased the P, Mg, and Fe levels. In contrast, manure increased N, K, and Fe, biofertilizers or dolomite combined with manure increased N, P, K, and Fe. In contrast, the combination of dolomite and biofertilizer increased P, K, and manure, and biofertilizer increased N, P, and Fe in Liberica coffee leaf. Dolomite increased plant height up to 0,76 cm and the number of branches up to 5,05 branches/plant of the Liberica coffee. Dolomite application also increased productivity up to 47.96%, manure 30.69%, while other soil ameliorants can increase productivity by 4.11% to 11.87%. Dolomite, manure, and biofertilizer application can improve berries quality by 5%.
Optimizing crop insurance strategy as a protection tool from crop failure, due to climate change through private sector involvement
Authors: Rachman M I , Nuryartono N , Arifin B , Bakhtiar T 
Published: April 2021

Abstract
The global food production process is being threatened due to the uncertainty experienced in the weather pattern, especially the agricultural sector being placed at the risk of unpredictable climatic conditions. Moreover, climate uncertainties, such as floods and drought, directly and indirectly, impact the level of crop failure. Therefore, Indonesia’s Government has launched a program known as the Rice Farm Insurance (AUTP) in 2015, using a state-owned enterprise as the single administrator to manage these challenges. However, several other problems have been discovered using this program, such as the low level of farmer participation, unprofitable portfolio management, and a limited number of farm areas. Therefore, this research aims to formulate an AUTP optimization strategy through the private sector’s involvement to mitigate these problems. The private sector’s inclusion in managing crop insurance is due to the US and some Asian countries’ success concerning its more comprehensive access to innovation, technology, and resources. The Analytical Hierarchical Process approach is a decision-making technique developed for cases with multiple analysis levels and used with the primary data obtained through questionnaires distributed to 5 experts representing the government, the general insurance industry, researchers, and farmers. The results showed that the influential actor was the government; the most successful factor was a collaboration among stakeholders. The prioritized objective was to increase farmer participation. The selected strategy was to form a consortium of public and private sector enterprises.
The development of traditional wooden house using local coco wood waste as strategy for facing earthquakes
Authors: Rumbayan R , Kandou C D E , Wala M M , Tombeg B A 
Published: April 2021

Abstract
The consideration of ecological quality is an approach for environmentally friendly house construction by utilizing waste material. This paper discusses a current study into developing local coco wood waste as an alternative construction material to build an earthquake-resistant wooden house. The aims of this research are 1) to identify the engineering properties and strength classification of local coco wood; 2) to design and analyse the structural elements for a traditional wooden house through a seismic approach; and 3) to demonstrate the construction method of a coconut timber house prototype. Research methods include 1) laboratory testing of the physical and mechanical properties comprising density test, compression test parallel to the grain, and flexural test. All tests were performed according to the American Standard Testing Material (ASTM) D143-09; 2) identification of strength classification of coco wood based on SNI 03-3527-1994; 3) design of the structural components and analyse structural performance using ETABS simulation; and 4) construction of a prototype earthquake-resistant coconut-timber house. Results from this research are expected to support the beneficial usage of local coco wood waste as a construction material for timber houses in an effort to mitigate the risk of earthquake hazard.
Anak krakatau mountain (AKM) causes a rare tsunami phenomenon: impact around the Sunda strait, Indonesia
Authors: Sabara Z , Umam R , Prianto K , Junaidi R , Rahmat A 
Published: April 2021

AbstractAt the end of 2018, the rare tsunami phenomenon had been occurring at Sunda strait, Indonesia. This tsunami happened without feeling a huge earthquake, so many people did not know if there was a tsunami. Tsunamis occur at night and cause casualties, missing people, and damage around the Sunda Strait (Banten and Lampung). Previously, the observation of the activities of Anak Krakatau Mountain had been carried out intensively. Data collection is done from various sources. A literature study was also conducted to strengthen existing observations. From observational data open source obtained from the Badan Meteorologi Klimatologi dan Geofisika (BMKG) Indonesia, it was noted that earthquake activity by tectonic plates began in April 2018, while the intensity of the earthquake caused by increased activity of Anak Krakatau Mountain (AKM) began in June 2018. Eruptions and Tsunamis occurred on December 22, 2018. Although the alleged cause of the rare tsunami phenomenon has not been ascertained, the truth, from observations of satellite images and focus group discussions (FGD) from various society elements. Temporary allegations, the cause of the rare tsunami phenomenon is the AKM eruption, which makes the southwestern region of AKM island landslide of | 64 hectares to a layer below sea level. The impact that occurred after the tsunami has been reported by conducting surveys directly to locations on several beaches of Banten and Lampung. Damage that occurred around Banten and Lampung’s coast was caused by houses very close to the coastline. Whereas in other areas that did not experience severe damage due to 2 factors, there are small islands that block the tsunami wave and the presence of mangrove vegetation around the Sunda strait.
Macronutrient content of compost produced by earthworm in the utilization of livestock waste using vermicomposting method
Authors: Iresha F M , Kasam  , Maristiyanto  , Nurtanto M , Ramadhani W S , Rahmat A 
Published: April 2021

Abstract
The development of livestock should be focusing on increasing productivity and maximizing profit and the environmental issue that happens around it. The produced waste can be managed by minimalizing the waste generated by turning it into something valuable or reutilizing it. One way to do it is by utilizing the waste as organic fertilizer (vermicompost). The vermicomposting process resulted in two products that are useful for agriculture; there are earthworm and vermicompost itself. Using the generated waste as growth media for the worm will result in an increased worm population, and the waste will be turned into vermicompost. The earthworm species that will be used in this study is Pheretima sp. This study purpose is to reduce the contamination by the waste generated by livestock, and other purposes are to find out whether the nutrient content in the waste is up to standard and the roles of the earthworm used. The samples were collected on days 30, 45, and 60. The result shows that the only nutrient that can meet the standard is potassium (> 0.2%), while carbon is slightly below standard and nitrogen and phosphor content are way below the standard. From the resulted nutrient content, it can be concluded that the role of Pheretima sp in the vermicomposting process was not optimal resulted in compost that below the Indonesian National Standard for compost.
Study of organic market waste processing using continuous flow bin vermicomposting meet several nutrient parameters
Authors: Kasam  , Iresha F M , Kusuma T B , Umam R , Mutolib A , Rahmat A 
Published: April 2021

Abstract
The processing of markets’ organic wastes in Indonesia, especially in Yogyakarta, is still done conventionally, that most of it, is directly composted at the Landfill or sometimes even directly dumped without going through the composting process. This research was conducted to maximize the processing of the organic waste that was generated by the local market, using continuous flow bin and vermicomposting to make it more economically beneficial to the community and to test the chemical parameters like Carbon / Nitrogen, Phosphor, and Potassium level from the vermicast, which is the after-product of vermicompost process. The research process goes through several stages: the acclimatization stage, the feeding stage or the vermicompost process, and the testing stage. Carbon/Nitrogen ratios, Phosphor, and Potassium values in the final results of the three reactors in the composting process meet the composting criteria according to SNI 19-7030-2004. The Carbon/Nitrogen measured in the three reactors were 10.2%, 16.6%, and 11.54%, respectively. The phosphorus levels (P) available in the three reactors were 0.32%, 0.35%, and 0.33%. Potassium (K) levels available in the three reactors were 0.26%, 0.58%, and 0.67%. The K values in reactors 2 and 3 meet the compost criteria or standards from SNI 19-7030-2004 because it is more than 0.20%, while for reactor 1 it is still below the criteria standard.
Consumer attitude toward using eco-friendly plastic bags: A green marketing approach
Authors: Bursan R , Listiana I , Ardeno R , Bangsawan S , Jimad H , Mutolib A 
Published: April 2021

Abstract
The purposes of this study are: 1) To assess the impact of green brand positioning, consumers’ attitude toward green brands and green brand knowledge on green product purchase intention, 2) To examine the variation of contribution from green brand positioning, consumers’ attitude toward green brands, and green brand knowledge toward green product purchase intention, 3) To identify the significant influence of green brand positioning, consumers’ attitude toward green brands, and green brand knowledge on green product purchase intention. A questionnaire was utilized to gather the data. The purposive sampling technique was used, involving respondents who practice a green lifestyle and have had green product purchasing experience. The data were analyzed using the three-stage hypothesis analysis model: Simultaneous variable testing (F-testing), coefficient of determination (R2), and partially hypothesis testing (t-testing). Simultaneous variable testing results stated that simultaneously green brand, attitude, and green knowledge influencing green product purchase intention. The three independent variables, namely green brand positioning, attitude, and green knowledge, explain 69.20% of the green product purchase intention variation while unknown variables influence the rest. Green brand positioning and green brand knowledge variable have a significant influence on green product purchase intention. In contrast, consumers’ attitudes toward green brands did not significantly influence green product purchase intention. Firms and businesses can use green brand positioning to better market their products, improve consumers’ green brand knowledge and attitude toward green brands, and increase green brand purchase intentions.
Peppermint oil loaded on recycled paper as an antibacterial label for shrimp freshness
Authors: Yunilawati R , Handayani W , Cahyaningtyas A A , Imawan C 
Published: April 2021

Abstract
Peppermint oil was one of the essential oils with an antibacterial bioactive component and the potential to be used as an antibacterial label. The purposes of this research were preparing the antibacterial label and evaluate their activity in prolonging the storage of shrimp. Antibacterial label was created by loading the peppermint oil onto the recycled paper as a matrix. Peppermint oil was characterized with Gas Chromatography-Mass Spectrometry (GC-MS) to identified suspected antibacterial activity compounds. The results showed that peppermint oil contains 39.79% of menthol and 35.69% of menthone as the main component. Peppermint oil and antibacterial labels have been screened for Gram-positive bacteria Staphylococcus aureus NBRC 100910 and Gram-negative bacteria Escherichia coli NBRC 100910 using the paper disk diffusion method. Peppermint oil has antibacterial activity in both bacteria, and the label only have antibacterial activity in E. coli NBRC 100910. The antibacterial labels research on prolonging the storage of shrimp shown that the Total Volatile Basic Nitrogen (TVBN) value was lower than without using the label. The results on this study showed recycled paper filled with peppermint oil can be used as an antibacterial label for an active packaging system.
Diversity of insect on cowpea cropping in rainfed land
Authors: Apriyani S , Kurnia A , Sutriadi M T 
Published: April 2021

AbstractCowpea (Vigna unguiculata subsp. Unguiculata) is a plant that is widely cultivated in dryland or the dry season because it is relatively resistant to drought. Insect diversity in the cowpea ecosystem has different characteristics from other ecosystems. This study aimed to understand the diversity of insects on cowpea cropping in rainfed agricultural land. Insect collection used a survey method in which light trap, pitfall trap, and swing net as tools. Observation time using each tool was 3, 2, and 5 times a week, respectively. The experiment was carried out at rainfed land of Jakenan field station using an area of 2500 m2 with altitude 7 m above sea level (masl). The most dominant insect population on light trap observation was an order of Lepidoptera in the form of moths. In contrast, the observations using a pitfall trap were dominated by an insect from the Hymenoptera order in the form of ants and bees. Furthermore, observation using insect swing net was the Hemiptera order or the ladybug group as the most dominant. The diversity index value was categorized as a medium since the value in the range of 1<Hˋ<3, and the evenness index value showed very even.
The study of reef fish community in the outer islets of Sekotong Bay, Indonesia
Authors: Fitrianti V , Ghafari M I A 
Published: April 2021

Abstract
The northern region of Sekotong Bay is well known for its secluded, and it potentially provides a unique habitat for the coral reef ecosystem. There are only two islets located in that outermost area, namely Gili Rengit and Gili Layar. This study aims to describe the reef fish community structure in both islands. The study was conducted in the northern and southern parts of each islet using UVC (Underwater Visual Census) method along a 50×5 m belt transect. A total of 64 species of reef fish from 18 families were identified. The majority of fish found were resident obligate and dwellers. Moderate diversity index, as well as the low presence of indicator and targeted fish species, indicates the susceptible stability of reef fish community in the outer islet of Sekotong Bay.
Detection of surface deformation in opak fault Yogyakarta using quasi persistent scatter interferometry synthetic aperture radar
Authors: Yudinugroho M , Rokhmana C A 
Published: April 2021

Abstract
The Opak Fault is an active fault located in Yogyakarta. As an active fault, it leads to natural disasters, one of them being the Yogyakarta earthquake in 2006. Since then, Opak Fault surface deformation has not reoccured; hence measurement to detect this movement is essential. A widely used method in surface deformation measurement is Persistent Scatter Interferometry Synthetic Aperture Radar. A refined version of the PSI technique, the QPSI method, allows identifying and estimating targets undergoing movement through the reflectivity and amplitude stability of SAR waves. This study analyzed multi temporal Sentinel-1 Ascending and Descending data to analyze the Quasi-PSI performance in detecting surface deformation surrounding the Opak Fault. Results showed subsidence of the Opak Fault with a displacement accumulation up to -50mm throughout a period of 6 years. A majority of the surface deformation occurring in the area of interest lies at the border between Bantul Graben and the highlands of Gunung Kidul. Some of the surface displacements implied the presence of ongoing slope activity. In the area with a velocity displacement of -7 to -10 mm/year, a cumulative displacement greater than -50 mm was found. Furthermore, areas with a -2.5 to -5.5 mm/year velocity displayed a cumulative displacement ranging from -30 mm to – 40 mm. Surface deformation in the study area expressed an adequate result with a few sparse zones. Nonetheless, results from the ascending and descending modes present dissimilarity between results from several locations.
Detecting the surface temperature anomaly of the Anak Krakatau Volcano using Landsat-8 TIRS during 2018 eruption
Authors: Suwarsono  , Triyono D , Khomarudin MR , Rokhmatuloh  
Published: April 2021

AbstractGeologically, Indonesia is located at the confluence of tectonic plates which causes many active volcanoes to appear in these regions. The existence of these active volcanoes has a consequence that volcanic eruptions will always be a threat to residents who live in volcanic areas. Anak Krakatau volcano is one of the active and dangerous volcanoes located in the Sunda Strait. The volcano will always be a threat to residents who live in coastal areas around the Sunda Strait. With regard to the hazard, it is important to understand the characteristic of the volcanism of Anak Krakatau volcano, especially the physical symptoms that appeared before and during the eruption. This study analyzes the surface temperature anomaly of the peak area of Anak Krakatau volcano in the 2018 eruption. The Brightness Temperature (BT) were measured from channel-10 of Landsat-8 TIRS (Thermal Infra-Red Scanner) time series during 2018. Then, we analyzed the anomalies. The analysis results showed that in the case of Anak Krakatau volcano, a type of submarine volcano in Indonesia, the eruptions that happened during 2018 have demonstrated changes in the surface temperature of the peak area, spatially and temporally. Time-series analysis of brightness temperature data is useful for understanding when the volcano is in its normal active phase and when it is closing to the eruption. Spatial brightness temperature data analysis is useful for detecting the location of the eruption center and the direction of the lava distribution. So, Landsat-8 TIRS data is useful to detect the eruption precursors in Anak Krakatau volcano, a type of submarine volcano in Indonesia, based on the surface temperature changes and anomalies of the peak area derived from this image data.
Measuring spatial accessibility of healthcare services using ARIA method, case study at Bandar Lampung City
Authors: Hijriani A , Putra R I 
Published: April 2021

Abstract
Accessibility of health services in Indonesia is still a problem. Health equity focuses on easy access and equitable distribution of health services and obtaining services with a standard quality set. Three dimensions of in-depth equity health can be divided into equity in health status, equity in health service use, and equity in health financing. The entire population is a health insurance participant. Health services that benefit packages include comprehensive services (preventive, promotive, curative, and rehabilitative). Government-owned health facilities must be provided, such as community health centers, clinics, doctors, hospitals, and financing paid by the government; the people who can afford it pay a premium. In this study, the accessibility of health services at hospitals and health centers in the city of Bandar Lampung was analyzed in geographic references by determining the distance and ranking health facilities ranging from very high to less accessibility value categories using the ARIA accessibility index calculation method. For hospital accessibility, Panjang district had the lowest index. Meanwhile, this district had a very high index for community health center accessibility compared to others. In health clinic accessibility, Teluk Betung Barat District had the lowest index, and Tanjung Karang Barat District had the highest index.