bluuebunny/crossref_metadata_2025_split huggingface dataset:
Portable Spectrophotometer for Water Quality Monitoring in Recirculating Aquaculture Systems
Authors: Amijar M I S M , Mohamed Ramli N , Nurulhuda K , Abd Aziz S 
Published: July 2024

Abstract
Water quality management in aquaculture is vital, as aquatic life is highly sensitive to changes in parameters such as inorganic nitrogen, pH, temperature, presence of gas, turbidity, and dissolved oxygen. The water quality must therefore be consistently monitored and controlled for the aquatic life to maintain optimum health, productivity, and quality. Currently, the problem arises when water quality analyses are time-consuming and could not be done rapidly. Thus, this project focused on designing a low-cost portable wireless spectrophotometer system for rapid water quality measurements. The hardware components used in the system consist of a C12880MA mini spectrometer chip, a Bluetooth module, and an Arduino Nano microcontroller. The microcontroller was programmed using the Arduino IDE environment and run by an Open-Source Miniature Spectrophotometer (OSMS) application. In this study, a portable wireless spectrophotometer that can measure water quality parameters such as turbidity is demonstrated. Water samples from the recirculating aquaculture system (RAS) were used to measure the water turbidity. The main objective of the study is to verify the applicability of the portable spectrophotometer for rapid and reliable water quality monitoring. Results showed that the spectrophotometer measurements had R2 of 0.94 when regressed on the turbidity of the RAS water samples. This showed that the customised portable spectrophotometer could be instrumental for a low-cost and rapid water quality monitoring in RAS.
The consumer empowerment index in Indonesia: does socio-demographic matter?
Authors: Simanjuntak M 
Published: July 2024

Abstract
This study aims to examine how sociodemographic characteristics contribute to consumer empowerment in Indonesia. Systematic random sampling was used to pick 4200 respondents from 28 of the 34 provinces in the nation. The study examined the connections between sociodemographic traits such as income, location, age, gender, work status, and educational attainment and consumer empowerment. In-person interviews were conducted using structured questionnaires, and multiple linear regression and independent t-tests were utilized for statistical analysis. The overall consumer empowerment index for Indonesia was 32.06, according to the data, with rural areas having a lower rating than metropolitan areas. Significant differences were also seen between the two locations in terms of complaint behavior and legal and consumer protection organization expertise. The highest index, however, was seen in preferences for local products. According to the study, consumer empowerment was significantly impacted by just three of the six independent factors (income, education level, and geographic region). Consumer empowerment indexes were higher among respondents who lived in metropolitan areas and had more incomes and educational attainment. These results highlight the necessity for consumers to take an active role in their empowerment to guarantee that their obligations and rights are fulfilled.
Sustainable Rural Business Ecosystem of Pineapple Commodity in Peatland and Mangrove Ecosystem with One Village One CEO (OVOC) Program
Authors: Irfany M I , Purwawangsa H , Slamet A S , Prawiro B P , Haq D A 
Published: July 2024

Abstract
The concept of a green economy, focused on revitalizing peat ecosystems and mangrove reforestation, can enhance both environmental sustainability and the well-being of communities residingin these areas. This study investigates the efficacy of the “One Village One CEO” (OVOC) program within the pineapple farming community in Bengkalis’ peat region, exploring its role in promoting environmentally conscious pineapple cultivation. Through surveys and focused group discussions involving 30 participants from various stakeholder groups, including village farmers, BUMDes Kuala Alam members, Peat and Mangrove Restoration Agency representatives, and IPB lecturers, we analyze this initiative’s economic and environmental impact. Notably, pineapple cultivationhasexpandedfrom 10 hectares in 2019 to over 70 hectares in 2023, driven by a market demand of 2000 pineapples per day. Furthermore, developing rural business ecosystems has positively influenced land prices in Bengkalis’ peatlands, elevating Kuala Alam Village residents’ economic and professional prospects, transitioning many from rubber to pineapple farming, spanning across different age groups and family backgrounds.
Analysis of Sustainable Virtual Tourism Development At Conservation Institutions
Authors: Hasibuan RS , Soekmadi R , Purnomo H , Mulyono NB 
Published: July 2024

Abstract
This study attempts to examine the viability of developing virtual tourism at conservation institutions prior to, during, and following COVID-19. Using a rapfish technique and multidimensional scaling (MDS), this research was conducted and evaluated using the R software. In-depth interviews with information provided by stakeholders, including Taman Safari Indonesia Management, Cibeureum Village, Tourism Office, Transportation Service, Police, BKSDA, and academisi, were used to collect data. The five sustainability dimensions that were considered were ecological, economic, social, technological, and institutional. The research’s findings indicate which aspects-the best ecological in 2022, the best economic in post-COVID in 2023, the best social in the early stages of post-COVID in 2022, the best technology in post-COVID in 2023, and the best institution in post-COVID in 2023.
Status of crab fishery resources (Portunus pelagicus) on the Coast of Kebumen Regency
Authors: Shafeeq F D , Wahyuningrum P I , Wiryawan B 
Published: July 2024

Abstract
Blue swimming crab (Portunus pelagicus) is one of the sought-after fisheries products in Indonesia. Additionally, the blue swimming crab (Portunus pelagicus) has a broad market, both domestically and internationally. The increasing demand for crab products has led to a rise in capture intensity. Uncontrolled exploitation, coupled with climate and aquatic environmental changes, is feared to cause a decline in crab populations, posing a threat to the sustainability of crab fisheries. The objective of this research is to describe the fishing units and areas for crab capture, identify the composition of catch results, determine the crab (Portunus spp.) capture season, and evaluate the utilization status of crab resources along the southern coast of Kebumen Regency. Fishing units, catch composition, and crab capture seasons are analyzed descriptively. The analytical method used to determine the status of crab resource stocks is the estimation of the spawning potential ratio (SPR). The fishing gear used includes trawl nets and fiber boats for crab capture. The captured crabs consist of three species: Portunus pelagicus, Charybdis feriata, and Portunus sanguinolentus. The crab capture season is from February to June, peaking in March. The SPR analysis for swimming crab (Portunus pelagicus) resulted in 25%. The crab stock status (Portunus pelagicus) in the southern coast of Kebumen Regency indicates a fully-exploited category, and one management option is to control crab capture efforts to increase crab biomass and maintain sustainability.
Impact of rainfall on the abundance of solid waste found in the flow of the Citarum River
Authors: Zainalarifin J , Kamilatunnisa A , Effendi H , Taryono  
Published: July 2024

Abstract
Pollution of solid waste flowing in river bodies is a major problem that can significantly reduce water quality. Weather factors that occur are thought to have an influence on the abundance of solid waste generation in river flows. This study aims to analyze the effect of rainfall on the abundance of solid waste found in the flow of the Citarum River, West Java. Waste data collection was carried out from April to June and August to November 2021 at four monitoring stations spread across Bandung Regency, West Bandung Regency, and Purwakarta Regency. Data collection of solid waste abundance was carried out using Framed Pocket Net, while rainfall was obtained from the monitoring results of the Bandung Geophysical Station. The results showed that rainfall 1 day before solid waste sampling had a real effect on solid waste abundance. While rainfall on 3 days, 2 days, and 0 days before solid waste sampling has no real effect. The correlation shown between day-1 rainfall and the abundance of solid waste is 0.3701, which is a low relationship. Meanwhile, based on the influence test, it shows that rainfall in day-1 has a weak effect on the abundance of solid waste. However, solid waste management still needs to be carried out, especially during the rainy season.
Detection and Quantification of Motile Aeromonas Septicemia (MAS) Disease in Common carp Using Deep Learning
Authors: Nadja K K , Jaya I , Iqbal M , Santika A 
Published: July 2024

Abstract
Common carp (Cyprinus carpio) is one of the freshwater fisheries commodities that has important economic value, so it is widely cultured. However, common carp farming is susceptible to diseases, such as Motile Aeromonas Septicemia (MAS), which can lead to mortality. MAS disease is visually detectable, but continuous monitoring challenges arise for farmers. This research employs the YOLOv8 and DeepSORT algorithms to automatically detect common carp and wounds caused by Aeromonas hydrophila bacterial infection, obtaining wound area and swimming speed data. Training was conducted on a dataset with two different labels: infected fish wound areas and the entire fish body, using consecutive epochs of 3000 and 1000. The training results show wound label accuracy reached 91,49% for disease concentration of 107 cfu/mL and 88,68% for disease concentration of 108 cfu/mL, respectively, while the accuracy for fish label reached 96,61% for disease concentration of 107 cfu/mL and 93,44% for disease concentration of 108 cfu/mL. The coefficient value of predicted wound area against actual wound area approximates 1, indicating a close match between the two variables. The obtained fish swimming speed estimate reflects the lethargic behavior of fish due to MAS. The results demonstrate that the model is effective in detecting fish, wound areas, and swimming speed.
Dynamics of flower production and flower oil components from two accessions of Cananga (Cananga odorata) in dry season
Authors: Kurniawati A , Naimah M N R , Krisantini  
Published: July 2024

Abstract
Cananga flowers are a type of flower that produces economically important essential oils. Flower production and the chemical components of flower oil are influenced by the type of Cananga, flower harvest criteria, and growing environmental conditions. This research aims to analysis the production patterns of Cananga flowers and the components of their essential oils at the several harvest criteria in the dry season. The research consisted of two factors, namely Cananga accession and flower harvest criteria. The types of Cananga used were Cipanas and Kediri accessions, while the flower harvest criteria consisted of initial flowering, 25% full flowering, 50% full flowering, 75% full flowering and end flowering. The parameters observed were the number of flowers, flower production per plant and the essential oil profile of the flowers. The results showed that the Kediri accession had significantly higher production and number of flowers per plant than the Cipanas accession. Harvesting Cananga flowers at the 25% and 50% full bloom phases produces the highest production. There are 28 compounds of Cananga essential oil were detected with varying abundance. The most types of compounds found in the essential oil of the Kediri accession Cananga flowers are linalool, caryophyllene, β-Copaene, benzyl benzoate, respectively. Meanwhile, the highest number of compounds detected in Cipanas accession flower oil were linalool, caryophyllene, α-Bergamotene, β-Copaene, trans-farnesol and benzyl benzoate.
Historical and projected rainfall climatology in Sumatra based on the CMIP6
Authors: Mareta L , Agiel HM , Hadiningrum T 
Published: July 2024

Abstract
Sumatra is the largest island in Indonesia and has a vital role in maintaining Indonesia’s food security. Deformation on the island of Sumatra has resulted in severe seasonal haze. Apart from this, the deformation has also caused the Climate, especially rainfall in Sumatra, to change, thereby disrupting agricultural processes, which have disrupted food security in Sumatra. We can compare the historical and projected monthly rainfall climatology to see changes in rainfall patterns in Sumatra. The monthly rainfall climatology is the average rainfall over at least 30 years. Monthly rainfall climatology is used to identify the general rainfall situation in a region. Sumatra’s historical rainfall climatology uses CRU TS data, while the projected monthly rainfall climatology uses CMIP6 model data. Historical monthly rainfall climatology shows that Sumatra has a monsoon pattern: one peak of the rainy season and one peak of the dry season. The peak of the rainy season occurs in the wet season (December, January, and February), while the dry season occurs in the dry season (June, July, and August).
The addition of probiotic in selected production media and enzymes on rumen fermentability characteristics
Authors: Islami I , Evvyernie D , Rohmatussolihat  , Astuti W D , Fitri A , Fidriyanto R , Sarwono K A , Widyastuti Y , Ridwan R 
Published: July 2024

Abstract
This research evaluated the effect of adding probiotic Lactiplantibacillus plantarum (P), commercial enzymes (CE), and enzyme stimulation secretion (ESS40) on in vitro fermentation. The research was conducted in two stages: selection of probiotic production media and in vitro fermentation. Increasing dextrose, lysine, and methionine levels decreased pH but did not significantly increase the bacterial population. The treatments were Z0: concentrate 60% + Pennisetum purpureum 40% (basal diet), Z1: basal diet + 1% ESS40, Z2: basal diet + 1% CE, Z3: basal diet + 1% P, Z4: basal diet + 1% ESS40 + 1% CE, Z5: basal diet + 1% ESS40 + 1% P, Z6: basal diet + 1% CE + 1% P, Z7: basal diet + 1% ESS40 + 1% P. Adding 1% probiotic increased 1.1% propionic acid, decreased by 0.98% acetic acid and 0.9% A/P ratio. Gas production was highest with the addition of 1% CE and 1% P (106.4 mL/g DM). Rations with 1% CE and ESS40 reduced methane production by 52.16%. Adding probiotic, CE, and ESS40 did not affect digestibility, pH, and N-NH3. Increased use of dextrose can lower the pH of the medium. Combining probiotic L. plantarum with commercial enzymes and ESS40 reduced methane production better than the control.
The Response of Advanced Generation Wheat Lines Derived from Convergent Breeding to Biotic Stress in High Altitude Area
Authors: Firmansah H , Wahyu Y , Nur A , Tondok ET 
Published: July 2024

Abstract
Wheat development in tropical regions faces various obstacles, one of which is biotic stress from pests and diseases. This research aims to determine how these limiting factors inhibit production improvement. The study was conducted in high altitude areas characterized by high rainfall and various organisms that symbiotically adapt to wheat plants. An analysis was performed to assess the impact of biotic stress on the observed response variables. The research arranged in randomized complete block design (RCBD) with 3 replications, using 26 advanced-generation wheat lines derived from convergent breeding and four check national varieties. Results showed that some organisms impacted lodged plants, empty spikelets, and yellow spots on flag leaves. The percentage of empty florets was the most significant factor affecting seed yield. The resistance level to the yellow leaf spot of all wheat lines and varieties was thought to be good because the inoculum of the yellow leaf spot pathogen was still limited. Yield character performance of almost all wheat lines were better compare to the national varieties which were used as control. Lodging frequency and empty florets correlated negatively to seed weight. Empty florets had the strongest direct negative effect on yield compared to other characters.
Preference and Consumption of Processed Food Products among Adolescents in 15 Provinces of Indonesia: An Explorative Study
Authors: Briawan D , Nasution Z , Alfiah E , Khomsan A , Putri P A 
Published: July 2024

Abstract
Food consumption behaviour among adolescents had a significant impact on stunting as a second window of opportunity. This study aimed to investigate the preference and consumption habit of processed food products among 4500 adolescents in 15 provinces of Indonesia, which involved rural and urban areas. A cross-sectional design was used and food consumption was assessed using a food frequency questionnaire, while food preference was measured using Likert scale. A t-test was used to compare preference and consumption in Java-Bali (JB) and Non Java-Bali (NJB) due to differences in technological and economic development in both regions. Adolescents in JB showed more preference for dairy, meat-based, and bakery products, whilst those in NJB preferred dairy and bakery products as well as ready-to-eat snacks more. In terms of consumption of processed foods, there was a significant difference between JB and NJB (p<0.05). Adolescents in JB and NJB were found to consume a higher quantity of ready-to-eat snacks, non-dairy drinks, and dairy products. Logistic regression showed that adolescents who reside in JB and urban areas with higher education level, employed parents, higher economic status, and smaller family size tend to consume processed foods more often.
Exploring the Potential Impact of Ginger Consumption on the Duration of COVID-19 Recovery: A Propensity Score Matching using Random Forest
Authors: Sururin Nufus Rafika Damayanti , Susetyo Budi , Sartono Bagus , Efriwati  
Published: July 2024

Abstract
Ginger has been recognized by the Indonesian population as a potential alternative remedy for COVID-19, despite the absence of a definitive cure. However, evaluating the impact of ginger consumption on COVID-19 recovery among survivors poses ethical challenges. To address this, a statistical method known as propensity score matching was employed to balance the comparison between survivors who consumed ginger and those who did not. The study aimed to statistically assess the impact of ginger consumption on recovery duration, using propensity score matching and a random forest. Variables such as sex, age, isolation type, vaccination history, symptoms, and COVID wave were included in the analysis. The study resulted in a significant reduction in bias (33.5 percent) and revealed no statistically significant impact.
Thermal Design of the High-Resolution Volatiles and Minerals Moon Mapper (HVM3) Instrument on the Lunar Trailblazer Mission (LTB)
Authors: McKinley I M , Rodriguez J I , Allen G D , Keller J , Mok M A , Chan L 
Published: July 2024

Abstract
The Lunar Trailblazer (LTB) Mission consists of a spacecraft that hosts two science instruments, the High-resolution Volatiles and Minerals Moon Mapper (HVM3) and the Lunar Thermal Mapper. Flight system delivery is scheduled for the Fall of 2022. The purpose of the mission is to understand the form, abundance and distribution of water on the Moon as well as the lunar water cycle. HVM3 is a pushbroom shortwave infrared (SWIR) Offner imaging spectrometer that is optimized for the detection of volatiles to map OH, bound H2O and water ice. It has a spatial resolution of 70 m/pixel over a 20 km swath width and a spectral resolution of 10 nm over a spectral range of 0.6 µm to 3.6 µm. The spacecraft will deploy from an ESPA Grande and enter a 100±30 km lunar polar orbit where it may operate over all beta angles. The HVM3 thermal control architecture consists of active and passive elements. It leverages the passive cryogenic cooler design developed for the Moon Minerology Mapper (M3) that underwent a similar orbit. The first stage of the passive cooler is used to reject the heat of a Lockheed Martin Micro1-2 cryocooler that is used to actively cool the focal plane array (FPA). The second stage of the passive cooler is used to passively cool the optics. An overview of the overall thermal control design approach is presented.
Superconducting heat switch made from a transition metal
Authors: Gunderson C , Miller F , Jahromi A , Holmes W 
Published: July 2024

Abstract
High sensitivity astrophysics detectors such as transition edge sensor (TES) bolometers or microwave kinetic inductance detectors (MKIDs) require sub-Kelvin operating temperatures for observing low energy photons in infrared and x-ray ranges. Continuous Adiabatic Demagnetization Refrigerators (CADRs) are presently the state of the art solution for providing cooling to these detectors below as low as 50 mK. The CADR shuttles heat through a series of paramagnetic stages from a 50 mK heat load to a 1-6+ K heat sink, using heat switches between stages to “switch” between thermal isolation and thermal communication. A superconducting heat switch is required between the two lowest temperature stages and is considered a critical system component as it determines recycling time and cooling power of the lowest temperature stage. A figure of merit for this technology is the “switching ratio”: the ratio of the thermal conductivity in the on and off states. This ratio is a function of temperature, fixed material properties, and the purity and anneal state of the metal. Lead is most commonly used in this type of thermal switch because it is readily available as a high purity material. However, an analysis of the material properties of other superconducting material suggests that transition metals such as tantalum and vanadium could achieve a significantly higher switching ratio – as high as 5-10 times that of lead. Increasing the switching ratio could allow for shorter recycling times and reduce the parasitic load on the lowest temperature stage. This work discusses relevant properties of various potential heat switch material and compares predicted performance in the CADR against the presently used lead switch.
Experimental performance of a modified Collins cycle cryocooler for in-space applications
Authors: Bunge C D , Siahvashi A , Hannon C L , Brisson J G 
Published: July 2024

Abstract
This paper presents initial experimental results of a modified-Collins-cycle cryocooler designed for space cooling applications. A high efficiency and lightweight single-stage cryocooler design to provide 100 W of cooling at temperatures at 90 K is discussed. With multi-staging, cooling to 4 K is possible. A single-stage room-temperature floating piston-machine is experimentally demonstrated with helium as the working fluid. Cryocooler construction materials and control system methodologies are discussed.
Ball Modular Advanced Cryocooler Control Electronics (MACCE)
Authors: Taylor Ryan , Mock Cameron , Glaister D. , Simons James , Duval David , Kristof Dave 
Published: July 2024

Abstract
To support the application of heritage aerospace coolers and modern tactical coolers to future mission architectures, Ball has developed the Modular Advanced Cryocooler Control Electronics (MACCE). This entirely new cryocooler electronics architecture is based on modularity and scalability in performance supporting a wide range of cryocoolers including 4K Hybrid Systems (J-T + Pre-Cooler), Pulse Tube Cryocoolers, and Stirling Cryocoolers. The MACCE design includes the primary CCE box and an Accelerometer Pre-Amp (APA) box that can be remote mounted. The MACCE architecture includes four high power drive channels and two low power channels supporting >500W of output power, three independent accelerometer feedback control loops for vibration cancellation, high efficiency using GaN FET technology, and a combination of six thermistors and six precision RTD circuits for telemetry. Operational modes include constant power, constant temperature, or open loop. An engineering model of MACCE has been completed and is currently going through qualification. Performance data is presented from box level testing.