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All Journal Jurnal Perikanan dan Kelautan Journal of Community Development and Disaster Management Electron: Jurnal Ilmiah Teknik Elektro International Journal of Science and Environment Jurnal Masyarakat Madani Indonesia Prosiding Seminar Nasional Inovasi Teknologi Terapan Jurnal Perikanan
Misri Yandi
Politeknik Manufaktur Negeri Bangka Belitung
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Mathematics Mechanical Engineering Physics Public Health Social Sciences

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Analisis Tingkat Pemanfaatan Optimal Ikan Kerapu (Epinephelus spp.) untuk Perikanan Berkelanjutan Kabupaten Bangka Yandi, Misri; Monischa Br Sebayang; Ahmad Desta Ardiansyah
Journal of Community Development and Disaster Management Vol. 7 No. 2 (2025): Journal of Community Development and Disaster Management
Publisher : Institut Agama Islam Sunan Giri Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37680/jcd.v7i2.7705

Abstract

The sustainable management of fishery resources is critical to maintaining ecological balance and long-term economic benefits. This study aims to estimate the optimal level of exploitation of grouper (Epinephelus spp.) in the waters of Bangka Regency using a surplus production model to determine the Maximum Sustainable Yield (MSY). Production and effort data from 2020 to 2024 were analyzed using a Schaefer model to derive the MSY curve. The analysis reveals that the MSY for grouper in this region is 1,577.2 tons, corresponding to an optimal fishing effort (f_opt) of 20,742 standardized trips. Notably, actual fishing efforts and production in 2022 exceeded the sustainable threshold, indicating a risk of overfishing, while efforts in 2023 and 2024 remained beyond the optimal level but with declining yields. These trends suggest the onset of growth overfishing if not addressed through adaptive management. The study concludes that current fishing practices in Bangka may surpass the sustainable capacity of grouper stocks, and immediate management interventions are recommended to regulate fishing effort in alignment with MSY estimates. This research provides scientific support for implementing evidence-based fisheries policies to ensure sustainability and resilience of marine resources in the region,
ALAT PENGHITUNG WAKTU DAN PENGONTROL BRIGHTNESS PADA MONITOR KOMPUTER Mahardika Apriliandi, Aldy; Amanda Tia, Tariska; Ocsirendi, Ocsirendi; Yandi, Misri
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 5 (2025): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

Computer monitors are a device that is widely used by all groups, both young and old. This rapid technological advancement can have both positive and negative impacts. The increasingly popular use of the internet can cause users to spend hours in front of computer monitors. Being in front of a computer monitor for too long can have an impact on the sense of sight, namely the eyes. In addition, the monitor screen emits x-rays that can interfere with eye health. Common problems caused by excessive users include the effects of radiation, headaches, insomnia, reproductive disorders, cancer, leukemia, tumors, and other personal health problems. In addition, excessive use of computer monitors can also lead to mild physical fatigue, recurrent headaches, ear disorders, depression, heart attacks, skin cancer, sexual dysfunction, low blood pressure, and body imbalances. Experts suggest that the maximum time to use this computer monitor is 1-2 hours per day, and the need to maintain a safe viewing while using a computer monitor is about 40-50 centimeters from the screen. By keeping the eye away from the screen, the exposure to light received by the eye from the screen can be reduced. To minimize the impact of eye health from exposure to the use of computer monitors, based on the description above, the author took the title of the Final Project, namely "Timer Tools and Brightess Controllers on Computer Monitors".
Studi Morfometrik dan Meristik Ikan Jebung (Abalistes stellaris) di PPN Sungailiat Kabupaten Bangka Sebayang, Monischa Br; Yuspita, Ni Luh Eta; Ratnapuri, Valentin Vina; Yandi, Misri; Maulana, Ali Rizki; Hasyimi, Wahid; Ainin, Dewi Tumatul
Journal of Community Development and Disaster Management Vol. 7 No. 1 (2025): Journal of Community Development and Disaster Management
Publisher : Institut Agama Islam Sunan Giri Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37680/jcd.v7i1.6968

Abstract

This study was conducted at PPN Sungailiat, Bangka Regency, to identify morphometric and meristic characteristics of Jebung fish (Abalistes stellaris), as well as environmentally friendly fishing gear. The research method used was descriptive with a simple random sampling technique to collect fish samples. Data were collected through observation and interviews, then analyzed using morphometric and meristic identification. The results showed that Jebung fish had 23 morphometric characters and 9 meristic characters, with an average total length of 30.5 cm and a standard length of 27 cm. Fin characteristics showed significant differences compared to other fish in the same family. In addition, the recommended fishing methods are bubu and bottom fishing to maintain the sustainability of the fish population. The conclusion of this study is that Jebung fish has distinctive morphometric and meristic characteristics, and requires an ecosystem-based management strategy to maintain its sustainability. The results of this study can serve as a basis for better fisheries resource management policies in the Bangka region.
Sistem Pemantauan Postur: Pendeteksi Durasi Bungkuk dan Postur Tubuh Berbasis IoT Aan Febriyansyah; Misri Yandi; Rizky Daffa Pratama; Tio Pratama
ELECTRON Jurnal Ilmiah Teknik Elektro Vol 6 No 2: Jurnal Electron, November 2025
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/electron.v6i2.424

Abstract

The main risk factors for non-communicable diseases (NCDs), particularly low back pain (LBP), which affects 18.1% of the population in Indonesia, are prolonged sitting and lack of physical activity.  The aim of this study was to develop an Internet of Things (IoT)-based system that can detect sitting duration and body posture to help people maintain ergonomic posture and regulate their sitting time.  This system uses an ESP32 microcontroller with a flex sensor and HY-SRF05 ultrasonic sensor to identify the user's presence.  To enable remote monitoring via a web application, sensor data is displayed on an I2C LCD and sent to a Firebase real-time database. A buzzer provides a warning when a person bends over (angle greater than 32.7°) or sits for longer than the set time.  Test results show that the system can accurately distinguish between normal posture (9°-15°) and slouching (32°-80°). The ultrasonic system records and stores data history in real-time via Firebase, enabling analysis of user posture trends and sitting duration. The sensor accuracy rate is 98.63% with an average error of 1.37%.  By adding historical data monitoring, smartphone notifications, and cloud-based data logger features, this system shows significant improvement over previous tools, although the timer test had an average time of 820 seconds. Further development is recommended to improve timer accuracy and user convenience by adding a wireless belt and a separate RTC module
Bioeconomic Analysis of Pelagic Fish Resources in Bangka Waters Landed at PPN Sungailiat Monischa Br Sebayang; Ni luh Eta Yuspita; Valentin Vina Ratnapuri; Misri Yandi; Wika Noventa
Jurnal Perikanan dan Kelautan Vol 16, No 1 (2026)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v16i1.32960

Abstract

Bangka Belitung Islands are an archipelago with a water area (65,301 km²) four times larger than its land area. This area has fishery resources that have great potential to support the economy, This study aims to analyze the bioeconomics of pelagic fish resources in Bangka waters landed at Sungailiat Nusantara Fishing Port using a surplus production approach. The research was conducted in January 2025 at PPN Sungailiat, Bangka Regency, Bangka Belitung Islands. Data were collected using descriptive methods and analyzed using the Schaefer surplus production model from January to March 2025. The results showed that the Maximum Sustainable Yield (MSY) was 6005.948 tons/year. From 2019 to 2024, catch production remained below the MSY, indicating potential for optimization. The optimum fishing effort was 5914 trips/year, with 2019–2021 exceeding this level, while 2022–2024 remained below it. These findings suggest that pelagic fisheries management can still be improved by emphasizing sustainability and economic efficiency. It is recommended that resource management policies target fishing efforts approaching the Maximum Economic Yield (MEY) to achieve a balance between catch quantity and economic profit. 
Pelatihan Pemeliharaan Mesin Kapal dan Teknologi Penangkapan untuk Meningkatkan Kemandirian Nelayan di Sungailiat Valentin Vina Ratnapuri; Misri Yandi; Monischa Br Sebayang; Ni Luh Eta Yuspita; Dewi Tumatul Ainin; Ali Rizki Maulana; Muhammad Fathur Rozaki; Nita Anggi Felisha; Heppy Clarisa Sinaga
Jurnal Masyarakat Madani Indonesia Vol. 5 No. 2 (2026): Mei
Publisher : Alesha Media Digital

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59025/bg46kw25

Abstract

Indonesia sebagai negara maritim memiliki potensi besar di sektor kelautan, dengan nelayan skala kecil sebagai aktor penting dalam ketahanan pangan dan ekonomi nasional. Namun, nelayan di pesisir Sungailiat, Bangka, masih menghadapi keterbatasan teknis, terutama dalam pemeliharaan mesin kapal dan penentuan lokasi penangkapan yang efisien. Kegiatan ini bertujuan meningkatkan kompetensi teknis nelayan melalui pelatihan pemeliharaan mesin kapal dan pemanfaatan teknologi navigasi. Metode yang digunakan adalah pendekatan partisipatif dengan melibatkan 51 nelayan, melalui praktik langsung, diskusi interaktif, dan demonstrasi teknis. Hasil menunjukkan adanya peningkatan signifikan, di mana nilai rata-rata pre-test sebesar 58.6 meningkat menjadi 88.4 pada post-test (kenaikan 29,8 poin; N-gain = 0,72 kategori tinggi). Sebanyak 84.31% peserta mengalami peningkatan skor ≥60%, serta 78% peserta mampu melakukan perawatan dasar mesin secara mandiri setelah pelatihan. Selain itu, pemahaman penggunaan GPS meningkat dari 21% menjadi 65%. Temuan ini menunjukkan bahwa pelatihan berbasis praktik efektif dalam meningkatkan kompetensi teknis nelayan dan berimplikasi pada efisiensi operasional serta penguatan kemandirian. Program ini berpotensi direplikasi dengan dukungan pendampingan berkelanjutan dan akses teknologi yang lebih terjangkau.
Water Fertility Based on Chlorophyll a in Aqua-MODIS Satellite Imagery in the Waters of Belitung Island Valentin Vina Ratnapuri; Monischa Br Sebayang; Misri Yandi; Ali Rizki Maulana; Ni Luh Eta Yuspita
International Journal of Science and Environment (IJSE) Vol. 6 No. 1 (2026): February 2026
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v6i1.337

Abstract

The waters of Belitung Island are tropical waters that play a crucial role in supporting the global ecosystem balance through primary productivity, which can be measured using chlorophyll a concentration as an indicator of water fertility. The strategic geographical location of Belitung Island, situated on the border of the Karimata Strait, the Java Sea, and the South China Sea, makes it vulnerable to the constantly changing oceanographic dynamics. This study aims to analyze the spatial-temporal distribution and fluctuations of chlorophyll a in the waters of Belitung Island based on Aqua-MODIS satellite imagery from January to December 2024. Chlorophyll-a data were extracted from Aqua-MODIS satellite imagery using the OCx and CI algorithms, then analyzed using the Inverse Distance Weighting (IDW) interpolation method through ArcGIS and SeaDAS software. The research results show that the waters of Belitung Island are generally classified as oligotrophic, with an average chlorophyll a concentration ranging from 0.39 to 0.81 mg/m³. The lowest concentration at the April location point was 0.08 mg/m³, and the lowest average was in May (0.39 mg/m³), coinciding with the first transition season due to reduced upwelling and water stratification. Conversely, the highest concentration was detected at the May location point (5.14 mg/m³), and the highest average was observed in June (0.81 mg/m³), when the southeast monsoon triggered increased winds and upwelling, bringing nutrients from the lower layers to the surface. This research demonstrates that monsoon variability and local oceanographic processes have a significant influence on water fertility in Belitung Island and can be utilized in predicting potential fishing areas.
ALAT PENGERING OTOMATIS BERBASIS INTERNET OF THINGS (IOT) Sindy Putri Anisyah; Muhamad Rizky Radiansyah; Misri Yandi; Yudhi Yudhi
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 6 No. 1 (2026): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

This research aims to design and develop an Internet of Things (IoT)-based automatic multiproduct drying system capable of drying chili, salted fish, and kemplang in a single integrated device. The system employs an ESP32 microcontroller as the main controller, a DHT22 sensor for temperature and humidity monitoring, a heating element as the heat source, and blower and exhaust fans for air circulation. Measurement data are transmitted to an IoT platform, enabling users to monitor the drying process in real time through a smartphone. Experimental testing was conducted on three different products with specific temperature settings according to their drying requirements. The results indicate that the system can maintain the drying chamber temperature with an average deviation of ±2°C from the desired setpoint. Furthermore, the drying process was accelerated by approximately 30–40% compared to conventional sun-drying methods. The implementation of IoT technology improves monitoring efficiency, maintains product quality, and reduces dependence on weather conditions. Therefore, the proposed system has significant potential for application in small and medium-scale agricultural and fishery enterprises.
Efektivitas Aplikasi Probiotik, Prebiotik, dan Sinbiotik dalam Meningkatkan Produktivitas Budidaya Perikanan Wahid Hasyimi; Misri Yandi
Vol 15 No 4 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i4.1588

Abstract

Aquaculture is one of the important sectors that fulfill the community's animal protein needs. However, the intensification of aquaculture often faces challenges such as decreasing water quality, increasing disease attacks, and suboptimal organism growth. To overcome these problems, biotechnology-grounded approaches such as the application of probiotics, prebiotics, and synbiotics have begun to be widely developed. Probiotics are living microorganisms that provide health benefits to the host by improving intestinal microflora, while prebiotics are non-digestible compounds that encourage the growth of beneficial microorganisms. The combination of the two, known as synbiotics, is believed to provide a synergistic effect in improving the health and resilience of aquatic organisms. This article reviews various research results related to the effectiveness of the use of probiotics, prebiotics, and synbiotics in improving growth performance, disease resistance, and feed efficiency in various fish and shrimp species. By implementing this strategy, sustainable aquaculture can be realized by strengthening the natural immune system and improving the balance of aquatic microbiota.
Co-Authors ., Yudhi Aan Febriyansyah Ahmad Desta Ardiansyah Ali Rizki Maulana Amanda Tia, Tariska Dewi Tumatul Ainin Hasyimi, Wahid Heppy Clarisa Sinaga M. Yogi Riyantama Isjoni Mahardika Apriliandi, Aldy Monischa br Sebayang Muhamad Rizky Radiansyah Muhammad Fathur Rozaki Ni luh Eta Yuspita Ni Luh Eta Yuspita Nita Anggi Felisha Ocsirendi Rizky Daffa Pratama Sindy Putri Anisyah Tio Pratama Valentin Vina Ratnapuri Wahid Hasyimi Wika Noventa Yuspita, Ni Luh Eta