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All Journal Jurnal Pemberdayaan Masyarakat Madani (JPMM) Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan Jurnal Kelautan Nasional Jurnal Sosial Ekonomi Kelautan dan Perikanan Al-Ard: Jurnal Teknik Lingkungan Jurnal Perikanan Pantura Engagement: Jurnal Pengabdian Kepada Masyarakat Journal of Marine Resources and Coastal Management
Asri Sawiji
Universitas Islam Negeri Sunan Ampel Surabaya
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Social Sciences Other

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Performance of refrigeration unit using monitoring of temperature, humidity and power consumption of freezer machine at Jaya Bahari cold storage Nugrowibowo, Radityo; Sawiji, Asri; Fahmi, Muhammad Yunan
Journal of Marine Resources and Coastal Management Vol. 4 No. 2 (2023)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v4i2.1898

Abstract

Fishery products generally spoil more quickly than other animal meat products. After being caught, fish will experience changes in quality, the level of these changes will determine the shelf life of the fish. Handling fresh fish is the most important aspect of a fisheries business. Cold storage is a way of storing fish at a certain temperature which allows fresh fish to be stored for long periods, even months, to prevent bacterial growth. This research aims to evaluate the implementation of the Standard Operating Procedure (SOP) for storing fish in cold storage using the First In First Out (FIFO) system and to evaluate the quality of the cooling system using temperature and humidity monitoring at Jaya Bahari cold storage. The method used in this research is measurement, interviews and literature study. The process stages in receiving fish products start from unloading fish, thawing frozen fish, weighing and testing samples, sorting and calculating the percentage of rejects, as well as temporary storage by looking at various obstacles during the process of receiving raw materials. The performance of the data logger and big data each showed results that were not much different with the respective tool accuracy values of 99.26% for temperature measurements and 99.83% for humidity measurements. Defrosting ice for 2 hours can save power by 4.37%.
The analysis of traditional fishers’ welfare based livelihood sustainability approach (Case study: Kedung Cowek Surabaya fishers’ community) Sawiji, Asri; Buchori, Imam; Wahyudi, Noor
Journal of Marine Resources and Coastal Management Vol. 3 No. 2 (2022)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v3i2.2002

Abstract

The city of Surabaya has a fairly high Human Development Index, but inequality still exists for marginalized communities such as fishermen on the north and east coasts of Surabaya. Indonesian Traditional Fishermen have an important role in the macro economy and national food security. Traditional Fishers are still included in a marginalized group of people who are very vulnerable to natural and political factors. Efforts to increase the resilience of fishermen need to be carried out by maximizing the assets/capital in the community. The purpose of this study was to assess the livelihood achievement index of fishermen on the dimensions of financial, natural, social and human capital with a case study conducted at the Fishers’ Cooperative Bahari 64 community. Using a quantitative descriptive method, this study conducted a survey of 98 respondents from 130 members who work as a fisherman. From the data analysis it was found that the fishing community of Koperasi Bahari 64 was categorized at a good level with a livelihood index value of 62.26 with an achievement dimension of 62%.
Petik Laut dalam Tinjauan Sains dan Islam Sawiji, Asri; Mauludiyah, Mauludiyah; Munir, Misbakhul
Al-Ard: Jurnal Teknik Lingkungan Vol. 2 No. 2 (2017): March
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v2i2.124

Abstract

Tradisi petik laut sering juga disebut dengan larung sesaji yang dikaitkan dengan syukuran para nelayan atas segala hal yang telah diberikan oleh laut. Saat ini petik laut telah mengalami transformasi menjadi ajang pesta rakyat, namun sejatinya ritual petik laut ini merupakan ekspresi spiritualitas komunitas nelayan pesisir di Jawa dan Madura. Untuk menjaga salah satu kearifan lokal tersebut maka perlu dilakukan kajian yang komprehensif mengenai tradisi petik laut dalam tinjauan sains dan Islam. Secara spesifik, penelitian ini bertujuan untuk mengetahui pengaruh bacaan Al-Quran pada pertumbuhan mikroorganisme atau bakteri air laut. Hal ini dikarenakan mikroorganisme atau bakteri merupakan salah satu aktor yang berperan penting dalam sistem kelautan yang selanjutnya akan mempengaruhi produktivitas perairan dan hasil tangkap. Pengambilan sampel air laut yang digunakan dalam penelitian ini adalah air laut di pesisir Sidoarjo. Sampel diambil pada permukaan air laut sejauh 100 meter dari bibir pantai dan dilakukan sekali untuk semua sampel. Analisa pertumbuhan mikroorganisme air laut dilakukan di laboratorium mikrobiologi. Perlakuan yang diberikan adalah dibacakan (1) surat an-Nahl, (2) al-Fatihah, dan (3) tanpa perlakuan (kontrol). Sampel pengontrol (pre-test/baseline) dan sesudah perlakuan (post test) ditumbuhkan dalam media NA dengan teknik Total Plate Count (TPC) di laboratorium. Penghitungan jumlah bakteri dengan menggunakan colony counter dilakukan setelah diinkubasi selama 24 jam. Data hasil pengamatan jumlah koloni bakteri akan diuji dengan dengan menggunakan dua variabel yaitu perlakuan dan hari. Hasil analisa statistik dengan menggunakan analisis non-parametrik uji Friedman menunjukkan bahwa besaran nilai Chi Square = 30.545 dan asymp sig sebesar 0.000. Hasil tersebut menunjukkan bahwa ketiga perlakuan (dibacakan surat an-Nahl, al-Fatihah dan tanpa perlakuan (kontrol)) memberikan reaksi yang berbeda dengan jumlah nilai TPC atau pertambahan koloni bakteri air laut.
Salinity variability and its correlation with IOD and MJO in the Bali Strait: A depth-resolved FFT analysis Annastasya Mulia Paradigma; Asri Sawiji; M. Yunan Fahmi
Journal of Marine Resources and Coastal Management Vol. 6 No. 2 (2025)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The Bali Strait connects the Java Sea in the north to the Indian Ocean in the south, and the interaction between these two regions influences the strait’s oceanographic dynamics, including salinity variability. Large-scale climate phenomena such as the Indian Ocean Dipole (IOD) and the Madden–Julian Oscillation (MJO) play important roles in modulating salinity in these waters. This study aims to analyze the correlation between salinity and both the IOD and MJO in the northern and southern parts of the Bali Strait, using data from 1999 to 2023. Descriptive statistical methods and Fast Fourier Transform (FFT) analyses were employed. The results show that in the northern waters, the direct correlation between salinity and the IOD is generally weak, with the highest value of 0.22794 at a depth of 1.54 m. Correlations with the MJO are also weak and predominantly negative. In contrast, the southern waters exhibit stronger correlations, particularly between salinity and the IOD, with the highest correlation of 0.29537 at a depth of 25.21 m. FFT analysis further supports these findings, indicating that the IOD exerts a more dominant influence on salinity variability than the MJO, especially at shallow depths. Overall, the IOD has a more significant and consistent impact on salinity variability in the Bali Strait, particularly in the southern region, while the influence of the MJO remains relatively weak.
Topographic change analysis and flood risk assessment in Jepara Regency, Indonesia, using GIS-based multi-criteria spatial analysis Gymnastiar, Achmad Raihan; Ardasyah, Aksatria Krisna; Sawiji, Asri; Santoso, Eko Hadi
Journal of Marine Resources and Coastal Management Vol. 7 No. 1 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v7i1.2301

Abstract

Jepara Regency, located on the northern coast of Central Java, Indonesia, with a coastline of approximately 82.72 km, has experienced significant topographic changes driven by natural processes and anthropogenic activities. These changes, combined with increasing rainfall variability, have heightened flood risk in several parts of the region. This study aims to analyze topographic changes between 2014 and 2023 and to assess flood risk by integrating rainfall intensity and slope characteristics using a GIS-based multi-criteria spatial analysis approach. This research utilizes secondary spatial and climatological data. Rainfall data for the period 2020–2022 were obtained from the Meteorology, Climatology, and Geophysics Agency (BMKG) and classified according to rainfall intensity levels. Topographic and slope data were derived from the National Digital Elevation Model (DEMNAS) and the Indonesian Topographic Map (RBI). The analysis involved slope classification, scoring, weighting, and weighted overlay techniques using Geographic Information System (GIS) tools implemented in ArcMap software. The results indicate pronounced seasonal rainfall variability in Jepara Regency, with the lowest rainfall intensity occurring in July and the highest intensities recorded between December and January, ranging from 10.45 to 85.91 mm/day. Topographic analysis shows that areas with moderate slopes (8–15%) are vulnerable to extreme weather events and potential slope instability, while flat areas with slopes of 0–1% exhibit high susceptibility to flooding due to limited surface runoff capacity and land-use conditions. The total flood-prone area identified covers approximately 686.6 ha. Overall, the integration of rainfall and topographic parameters through GIS-based multi-criteria spatial analysis proves effective in identifying flood-risk zones and provides valuable input for spatial planning, disaster risk reduction, and coastal management in Jepara Regency.
Co-Authors Abdul Azis Abdul Muhid Al Ghozali, Ashil Falih Kes Foh Annastasya Mulia Paradigma Ardasyah, Aksatria Krisna Atikasari, Meilia Calista, Tsabitah Nandiantara Christiananda Darmawan, Ridwan Dewi, Tri Ayu Rachma Dian Tugu Warsito Taufiq Elasari, Nova Elly Fiddyawati Fahmi, Muhammad Yunan Fajar Setiawan Gunawan, Doddy Gymnastiar, Achmad Raihan Imam Buchori Indah Fitriani M. Chusnan Ma'arif M. Yunan Fahmi Maisaroh, Dian Sari Maulana, Putra Bahtiar Mauludiyah Mauludiyah Mauludiyah, Mauludiyah Misbakhul Munir Misbakhul Munir Moch. Irfan Hadi Mubarok, Mohammad Fahmi Muslih, Toha Nadar, Harman Noverma Noverma Nuansa, Linggar Budi Nugrowibowo, Radityo Nur Maulida Safitri Perdanawati, Rizqi Abdi Puji Maryono Robayanto Robayanto Romadoni, Nadia Vika Santoso, Eko Hadi Saputra, Andika Keessa Selobing Purna Agung Indarto Silvy Ana Dwi Fallahiyah Supriyadi Wahyudi, Noor Wiga Alif Violando Yuliati, Dian