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Juvenil: Jurnal Ilmiah Kelautan dan Perikanan
Published by Universitas Trunojoyo Madura
ISSN : -     EISSN : 27237583     DOI : -
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science
Juvenil: Journal of Marine and Fisheries Sciences, is a scientific journal in the field of marine and fisheries science published electronically and periodically four times a year by the Department of Marine Affairs and Fisheries, Trunojoyo University, Madura. This journal aim to become a medium of dissemination of high quality research and scientific note in the fiend of marine and fisheries. This journal can be accessed and downloaded freely for everyone. The article published in this journal have been pass the rigorious peer review by the expert reviewer. This journal accept every article that contain the following, but not limited to, scope: Juvenil: Journal of Marine and Fisheries Sciences, is a scientific journal in the field of marine and fisheries science published electronically and periodically four times a year by the Department of Marine Affairs and Fisheries, Trunojoyo University, Madura. This journal is expected to function as a medium for the dissemination of quality scientific research results as well as scientific rebuttal (notes) in the marine and fisheries sector which can be accessed online and free of charge by the Indonesian community and the international community. The articles (articles) published in this journal are articles that have passed peer-review (partner bebestari). This journal accepts every article which contains, but is not limited to, the scope: 1. Ecology and biology of marine and fisheries 2. Marine and Aquaculture 3. Marine and Aquatic Conservation 4. Marine Water Pollution 5. Management of marine and aquatic resources 6. Marine and fishery processing technology
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 276 Documents
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Struktur Komunitas Plankton di Pantai Wisata Kampung Kerapu Situbondo Era Fitri Awwalia; Misbakhul Munir; Dian Sari Maisaroh
Juvenil Vol 6, No 1: Februari (2025)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v6i1.27321

Abstract

ABSTRAKPerairan Pantai Wisata Kampung Kerapu dipengaruhi aktivitas manusia, seperti pembuangan limbah dari budidaya ikan kerapu, pemukiman, dan pariwisata dapat mempengaruhi kualitas perairan dan keberadaan organisme. Contohnya, fitoplankton yang berfungsi sebagai produsen primer dan zooplankton sebagai konsumen pertama. Penelitian ini bertujuan untuk mengukur nilai parameter lingkungan perairan, mengetahui struktur komunitas plankton dan menganalisis hubungan struktur komunitas plankton dengan parameter lingkungan di perairan Pantai Wisata Kampung Kerapu Situbondo. Penelitian ini dilaksanakan pada bulan Maret 2024 di Pantai Wisata Kampung Kerapu Situbondo. Penelitian ini menggunakan metode deskriptif dan analisis data menggunakan Priciple Component Analysis (PCA). Metode penentuan stasiun menggunakan purposive sampling. Hasil dari penelitian ini menunjukkan bahwa kualitas air dengan parameter suhu, kecerahan, pH, DO, salinitas, fosfat dan BOD masih sesuai dalam baku mutu KEPMEN LH no.51 tahun 2004 untuk biota laut kecuali nitrat. Struktur komunitas plankton meliputi kelimpahan (N) fitoplankton dan zooplankton sebesar 2.213 – 3.821 ind/ml dan 518 – 883 ind/ml, keanekaragaman (H’) fitoplankton dan zooplankton sebesar 1,71 – 2,27 dan 1,42 – 2,08, keseragaman (E) fitoplankton dan zooplankton sebesar 0,67 – 0,88 dan 0,59 – 0,87, dominansi (C) fitoplankton dan zooplankton sebesar 0,12 – 0,23 dan 0,14 – 0,29. Hubungan kualitas perairan terhadap struktur komunitas plankton adalah salinitas, BOD, fosfat, pH, dan suhu. Kata Kunci: Struktur Komunitas Plankton, Parameter Perairan, Principle Component Analysis (PCA), SitubondoABSTRACTThe waters of the Kampung Kerapu Tourism Beach affect human activities, such as the disposal of waste from grouper cultivation, settlements, and tourism which can affect the quality of the waters and the existence of organisms. For example, phytoplankton function as primary producers and zooplankton as primary consumers. This research aims to measure the value of aquatic environmental parameters, determine the structure of the plankton community and analyze the relationship between plankton community structure and environmental parameters in the waters of the Kampung Kerapu Tourism Beach, Situbondo. This research was carried out in March 2024 at the Kampung Kerapu Tourism Beach, Situbondo. This research uses descriptive methods and data analysis using Principle Component Analysis (PCA). The method for determining stations uses purposive sampling. The results of this research show that water quality with the parameters of temperature, brightness, pH, DO, salinity, phosphate and BOD still conforms to the quality standards KEPMEN LH no. 51 of 2004 for marine biota except nitrate. The plankton community structure includes abundance (N) of phytoplankton and zooplankton of 2,213 – 3,821 ind/ml and 518 – 883 ind/ml, diversity (H') of phytoplankton and zooplankton of 1.71 – 2.27 and 1.42 – 2.08, uniformity (E) of phytoplankton and zooplankton is 0.67 – 0.88 and 0.59 – 0.87, dominance (C) of phytoplankton and zooplankton is 0.12 – 0.23 and 0.14 – 0.29. The relationship between water quality and plankton community structure is salinity, BOD, phosphate, pH, and temperature.Keywords: Structure Plankton Community, Water Parameters, Principle Component Analysis (PCA), Situbondo
Pengaruh Penambahan Vitamin B Kompleks Pada Pakan Komersial Terhadap Pertumbuhan Berat Mutlak Benih Ikan Lele Dumbo (Clarias gariepinus) Ukuran 2-3 Cm Ritno Habibur Rahman; Muhajir Muhajir; Sri Oetami Madyowati
Juvenil Vol 6, No 1: Februari (2025)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v6i1.22519

Abstract

ABSTRAKBenih lele dumbo sangat rentan terhadap infeksi oleh berbagai penyakit, oleh karena itu daya tahan tubuhnya perlu dijaga bahkan ditingkatkan. Salah satu bahan untuk fungsi ini adalah vitamin B kompleks. Walaupun vitamin B kompleks dalam tubuh benih ikan lele dumbo dibutuhkan dalam jumlah sedikit, akan sangat fatal jika mengalami kekurangan atau kelebihan vitamin B kompleks, salah satu akibatnya nafsu makan menurun sehingga dapat menghambat pertumbuhan. Penelitian ini bertujuan untuk mengetahui penambahan dosis vitamin B kompleks yang terbaik pada pakan komersial terhadap pertumbuhan berat mutlak benih ikan lele dumbo (Clarias gareipinus) ukuran 2-3 cm. Penelitian ini menggunakan metode eksperimen dengan rancangan acak lengkap dengan 5 perlakuan dengan 5 ulangan. Perlakuan A ; penambahan vitamin B kompleks dengan dosis 40 mg/liter air tawar, perlakuan B; penambahan vitamin B kompleks dengan dosis 90 mg mg/liter air tawar, perlakuan C; penambahan vitamin B kompleks dengan dosis 140 mg/liter air tawar, perlakuan D; penambahan vitamin B kompleks dengan dosis 190 mg/liter air tawar dan perlakuan E; penambahan vitamin B kompleks dengan dosis 240 mg/liter air tawar. Hewan uji yang digunakan dalam penelitian ini adalah benih lele dumbo dengan bobot rata-rata 0,14 g/ekor. Padat tebar 1 ekor/liter dan media percobaan menggunakan air tawar dengan volume 3 liter/bak. Hasil penelitian menunjukkan bahwa perlakuan C memberikan hasil tertinggi terhadap pertumbuhan berat mutlak benih ikan lele dumbo (Clarias gareipinus) ukuran 2-3 cm dengan ukuran 10,52 gr. Data kualitas air diperoleh suhu air berkisar antara 28,1 0C – 28,3 0C, keasaman berkisar antara 8,2 – 8,3 dan oksigen terlarut berkisar antara 6,2 – 6,6 ppm.Kata kunci; vitamin B kompleks, pakan komersil, pertumbuhan berat mutlak, lele dumboABSTRACTDumbo catfish seeds are very susceptible to infection by a variety of diseases, hence their immune system needs to be maintained and even enhanced. One of the ingredients for this function is vitamin B complex. Although vitamin B complex in the body of dumbo catfish seeds is needed in small amounts, it will be fatal if it experiences a lack or excess of vitamin B complex, one of the consequences is decreased appetite so that it can hamper growth. This study aims to determine the addition of the best dose of vitamin B complex in commercial feed on the absolute weight growth of dumbo catfish seeds (Clarias gareipinus) size 2-3 cm. This study used an experimental method with a complete randomized design with 5 treatments with 5 repetitions. The treatment A; the addition of vitamin B complex at a dose of 40 mg/liter of fresh water, treatment B; the addition of vitamin B complex at a dose of 90 mg/liter of fresh water, treatment C; the addition of vitamin B complex at a dose of 140 mg/liter of fresh water, treatment D; the addition of vitamin B complex at a dose of 190 mg/liter of fresh water and treatment E; the addition of vitamin B complex at a dose of 240 mg/liter of fresh water. The test animals used in this study were dumbo catfish seeds with an average weight of 0.14 g/tail. Stocking density was 1 tail/liter and the experimental media used fresh water with a volume of 3 liters/basin. The test animal used in this study were dumbo catfish seeds with an average weight of 0,14 g/head. Stocking density was 1 tail/liter and the experimental media used fresh water with a volume of 3 liters/basin. The study results showed that treatment C gave the highest results on absolute weight growth of dumbo catfish (Clarias gareipinus) fry size 2-3 cm with a size of 10,52 g. Water quality data obtained water temperature ranged from 28,10C – 28,30C, acidity ranged from 8,2 – 8,3 and dissolved oxygen ranged from 6,2–6,6 ppm.Keywords: vitamin B complex, commercial feeding, absolute weight growth, dumbo catfish
Laju Pertumbuhan dan Keanekaragaman Biofouling di Perairan Desa Socah, Kecamatan Socah, Bangkalan Aziz Pringgo Dwi P; Lisdiana Miftakhul Fitroh; Novi Indriyawati; Kartika Dewi; Nur Ayu Aprilia; Isna Adila; Alya Putri Ariyanti; Dini Latifatul Qolbi; Vevilia Tri Amanda; Sofyan Tauri
Juvenil Vol 6, No 1: Februari (2025)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v6i1.29136

Abstract

AbstrakBiofouling merupakan proses penempelan organisme hidup pada permukaan struktur yang berada di dalam atau dekat badan air. Tujuan penelitian ini yaitu untuk mengetahui jenis biofuling, komposisi jenis, kepadatan, indeks biologi, laju penempelan dan mengukur parameter kualitas air di Perairan Desa Socah, Kecamatan Socah, Bangkalan. Penelitian dilakukan pada 2 stasiun dimana setiap stasiun terdapat 4 substrat buatan dan 1 substrat alami.. Penelitian dilakukan dengan pengamatan selama 3 minggu. Dari hasil pengamatan didapatkan hasil 2 kelompok, yaitu artopoda dan gastropoda. Stasiun 1 dan 2 didominansi oleh kelompok arthopoda dari jenis teritip dengan nilai indeks dominansi masing-masing sebesar 0,5 yang termasuk dalam katagori tinggi. HKeanekaragaman fouling pada stasiun 1 dan 2 masing-masing menunjukan nilai indeks keanekaragaman (H’) yang rendah dengan nilai indeks1,0. asil pengukuran kualitas air yang dilakukan di lokasi penelitian didapatkan suhu 29.7 ⁰C – 33.0 ⁰C, salinitas 21 ppt - 25 ppt dan pH 7,6 – 8. Kata kunci: Fouling; Komposisi Jenis; Kepadatan; Keanekaragaman; Parameter Kualitas Air AbstractBiofouling is the process of living organisms adhering to the surfaces of structures located in or near bodies of water.  The purpose of this research is to determine the types of biofouling, species composition, density, biological index, adhesion rate, and to measure water quality parameters in the waters of Socah Village, Socah District, Bangkalan.  The research was conducted at 2 stations where each station had 4 artificial substrates and 1 natural substrate.  The research was conducted with observations over a period of 3 weeks.  The results of the observations led to the identification of two groups: gastropods and arthropods. The arthropod group of barnacle species dominates stations 1 and 2, each of which has a dominance index value of 0.5, placing it in the high category. The fouling diversity at stations 1 and 2 each showed low diversity index (H’) values with index 1.0.  The research site's water quality assessments revealed temperatures between 29.7 and 33.0 °C, salt levels between 21 and 25 ppt, and a pH between 7.6 and 8. Keywords: Fouling; Species Composition; Density; Diversity; Water Quality Parameters
Kelimpahan Dan Keanekaragaman Makrozoobentos Sebagai Bioindikator Kualitas Air Sungai Brantas Wilayah Hilir (Mojokerto, Sidoarjo, Surabaya) Aulia Maulidah; Syifania Hanifah Samara; Wahyu Isroni; Sapto Andriyono
Juvenil Vol 6, No 1: Februari (2025)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v6i1.26683

Abstract

ABSTRAKHilir Sungai Brantas mencakup kota Mojokerto, Kabupaten Sidoarjo, dan Kota Surabaya. Komoditas budidaya air tawar dengan volume produksi tertinggi di wilayah hilir Sungai Brantas adalah ikan lele. Sungai Brantas wilayah hilir telah mengalami penurunan kualitas air. Makrozoobentos dapat digunakan untuk mengetahui kualitas air. Penelitian ini menggunakan metode survei dengan analisis data secara deskriptif kuantitatif. Hasil penelitian ini menunjukkan nilai kelimpahan tidak merata dengan yang terendah 1% dan yang tertinggi 95,4%, sedangkan indeks keanekaragaman makrozoobentos yang didapatkan berkisar antara 0,187-1,267 yang masuk dalam keanekaragaman rendah sampai sedang dengan kategori tercemar sedang sampai berat. Substrat dasar yang didapatkan cukup beragam dikarenakan lokasi stasiun yang jauh serta kondisi sungai yang berbeda. Hasil pengukuran kualitas air di Sungai Brantas wilayah hilir, didapatkan suhu antara 25,5-28,9 oC, kecerahan antara 25-30 cm, pH antara 7,8-8, DO antara 3,1-5,2 mg/L, BOD antara 5,5-9 mg/L, COD antara 45-65 mg/L, dan TSS antara 400-900 mg/L.Kata kunci: Hilir, Sungai Brantas, kelimpahan, keanekaragaman, kualitas air.ABSTRACTThe downstream of the Brantas River includes Mojokerto city, Sidoarjo Regency and Surabaya city. The freshwater aquaculture commodity with the highest production volume in the lower reaches of the Brantas River is catfish. The downstream Brantas River has experienced a decline in water quality. Macrozoobenthos can be used to determine water quality. This study used a survey method with descriptive quantitative data analysis. The results of this study showed an uneven abundance value with the lowest being 1% and the highest being 95.4%, while the macrozoobenthos diversity index obtained ranged from 0.187 to 1.267 which is included in low to moderate diversity with moderate to heavily polluted categories. The basic substrate obtained is quite diverse due to the remote location of the stations and the different conditions of the river. The results of water quality measurements in the downstream Brantas River, obtained temperatures between 25.5-28.9 oC, brightness between 25-30 cm, pH between 7.8-8, DO between 3.1-5.2 mg/L, BOD between 5.5-9 mg/L, COD between 45-65 mg/L, and TSS between 400-900 mg/L.Keywords: Downstream, Brantas River, abundance, diversity, water quality.
Microbial Profile of Frozen Fisheries Products at UPT PMP2KP Surabaya Fadiya Furuujihim Rohsarifuddin; Yolandha Sephiani Nurhafifah; Puspa Maharani; Kismiyati Kismiyati; Rahmah Hendriyati; Woro Hastuti Satyantini
Juvenil Vol 6, No 1: Februari (2025)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v6i1.26337

Abstract

ABSTRACTMicrobial contamination of food products is one of the significant hazards in food safety because the nature of food-polluting bacteria is generally pathogenic.This research was conducted at the Microbiology Laboratorium in UPT PMP2KP Surabaya. Samples tested in this research including frozen fish, frozen shrimp, and frozen value added products with  microbiological parameters tested are Total Plate Count, Salmonella, and Escherichia coli. The results obtained in this research showed that 100% of 21 frozen fish and shrimp samples met SNI safety standards, namely 1 x 105  CFU/g for TPC, 3 MPN / g  for E. coli, and negative for Salmonella.Keywords: E. coli, Food Safety, Frozen Fisheries Product, Salmonella
Aplikasi Probiotik Ikan (Fiysh Pro): Isolat Bakteri Indigenous Air Limbah Cucian Garam (Bittern) Dalam Kegiatan Budidaya Ikan Lele Mutiara (Clarias gariepinus) Sistem Bioflok Anjani, Revi Putri Dwi; Marliantari, Sulistina; Junaedi, Abdus Salam; Zainuri, Muhammad; Triajie, Haryo
Juvenil Vol 6, No 2: Mei (2025)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v6i2.29733

Abstract

ABSTRAKBakteri indigenous merupakan bakteri asli yang terdapat dalam suatu lingkungan tertentu, salah satunya adalah limbah. Bittern merupakan salah satu limbah perairan yang berasal dari aktivitas produksi garam. Bittern mengandung bakteri indigenous yang berpotensi sebagai kandidat bakteri probiotik ikan. Tujuan dari penelitian ini untuk mengetahui hasil pengukuran parameter kualitas air (pH dan suhu) dan nilai Total Aeromonas Count (TAC). Penelitian ini dilaksanakan dari bulan September sampai Desember 2024 dan dilakukan di dua tempat. Pengambilan sampel lapang di kolam budidaya ikan lele sistem Bioflok di Dusun Krampok, Desa Tengket, Kecamatan Arosbaya, Kabupaten Bangkalan, dan untuk analisis bakteri dilakukan di Laboratorium Biologi Laut Universitas Trunojoyo Madura. Hasil pengukuran kualitas air pH yaitu bekisar 6,18-9,06, dan pengukuran suhu yaitu bekisar antara 26,35-28,20°C. Nilai Total Aeromonas Count (TAC)berkisar antara 5,21-8,70 Log CFU/ml. Kata kunci: Aeromonas, Bakteri Indigenous, Bittern, Probiotik ABSTRACTIndigenous bacteria are native bacteria found in a certain environment, one of which is waste. Bittern is one of the aquatic wastes originating from salt production activities. Bittern contains indigenous bacteria that have the potential to be candidates for fish probiotic bacteria. The purpose of this study was to determine the results of measuring water quality parameters (pH and temperature) and the Total Aeromonas Count (TAC) value. This study was conducted from September to December 2024 and was carried out in two places. Field sampling was carried out in a catfish cultivation pond using the Biofloc system in Krampok Hamlet, Tengket Village, Arosbaya District, Bangkalan Regency, and bacterial analysis was carried out at the Marine Biology Laboratory of Trunojoyo University, Madura. The results of water quality measurements, pH, ranged from 6.18 to 9.06, and temperature measurements ranged from 26.35 to 28.20 ° C. The Total Aeromonas Count (TAC) value ranged from 5.21 to 8.70 Log CFU/ml.Keywords: Aeromonas, Bittern, Indigenous Bacteria, Probiotics
Pengaruh Pemberian Probiotik Dengan Dosis Berbeda Pada Pakan Daun Kaliandra (Calliandra calothyrsus) Terhadap Pertumbuhan Benih Ikan Nila (Oreochromis niloticus) Siswati, Siswati; Jurniati, Jurniati; Marran, Riska; Muchlis, Andi Mi'rajusysyakur; Idrus, Andi
Juvenil Vol 6, No 2: Mei (2025)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v6i2.29462

Abstract

ABSTRAKIkan nila (Oreochromis niloticus) merupakan jenis ikan air tawar yang memiliki nilai ekonomis tinggi. Budidaya ikan nila dipengaruhi oleh kualitas dan kuantitas dari pakan yang diberikan, salah satu alternatif yang dapat dilakukan untuk mendapatkan sumber protein pada pakan yaitu daun Kaliandra (Calliandra calothyrsus). Tujuan penelitian untuk mengetahui pengaruh pemberian probiotik dengan dosis berbeda pada pakan daun Kaliandra terhadap pertumbuhan benih ikan nila. Metode penelitian RAL (Rancangan acak lengkap) dengan 4 perlakuaan dan 3 ulangan. Perlakuan A (Probiotik 0 mL/100 g pakan); B (probiotik 5 mL /100 g pakan); C (probiotik 10 mL /100 g pakan; D (probiotik 15 mL/ 100 g pakan), Analisis data dilakukan dengan menggunakan metode ANOVA Hasil pengamatan menunjukkan bahwa semua perlakuan tidak berpengaruh nyata terhadap laju pertumbuhan mutlak benih ikan nila tetapi secara deskriptif rerata laju pertumbuhan mutlak benih ikan nila tertinggi terdapat pada perlakuan B (62,6 g) dan terendah pada perlakuan A (45,6 g). Kelangsungan hidup ikan nila menunjukkan bahwa semua perlakuan tidak berpengaruh nyata, nilai tertinggi pada perlakuan B dan C = 100%, dan terendah pada perlakuan A dan D = 90. Kesimpulan dari penelitian ini adalah pemberian probiotik 5 mL/100 g pakan menunjukkan potensi paling optimal secara deskriptif terhadap pertumbuhan benih ikan nila, dengan tingkat kelangsungan hidup yang tetap tinggi. Penemuan ini memberikan dasar penting bagi pengembangan pakan fermentasi berbahan nabati lokal yang lebih efisien dan ramah lingkungan dalam budidaya ikan nila.Kata Kunci: Probiotik, Kaliandra, Ikan Nila, PertumbuhanABSTRACTTilapia (Oreochromis niloticus) is a type of freshwater fish that has high economic value. Tilapia cultivation is influenced by the quality and quantity of the feed given, one alternative that can be done to get a source of protein in the feed is kaliandra leaves (Calliandra calothyrsus). The purpose of the study was to determine the effect of probiotics with different doses in Kaliandra leaf feed on tilapia seed growth. Research method RAL (complete randomised design) with 4 treatments and 3 replicates. Treatment A (Probiotic 0 mL/100 g feed); B (probiotic 5 mL /100 g feed); C (probiotic 10 mL /100 g feed; D (probiotic 15 mL / 100 g feed), Data analysis was performed using ANOVA method. The results showed that all treatments had no significant effect on the absolute growth rate of tilapia fry but descriptively the average absolute growth rate of tilapia fry was highest in treatment B (62.6 g) and lowest in treatment A (45.6 g). The survival rate of tilapia fish showed that all treatments had no significant effect, the highest value in treatments B and C = 100%, and the lowest in treatments A and D = 90 %. The conclusion of this study is that the provision of probiotics 5 mL/100 g of feed shows the most optimal potential descriptively on the growth of tilapia fish fry, with a high survival rate.This finding provides an important basis for developing more efficient and environmentally friendly fermented feed using local plant-based ingredients in Nile tilapia aquaculture.Keywords: Probiotics, Calliandra, Tilapia, growth
Ectoparasites and Water Quality Management on Silver Pompano in Rearing Floating Net Cages at the Center for Mariculture Fisheries (BBPBL) Lampung Adella, Catlya Tasya; Maulidah, Aulia; Kismiyati, Kismiyati
Juvenil Vol 6, No 2: Mei (2025)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v6i2.26756

Abstract

ABSTRACTThe production value of silver pompano has been increasing annually, with strong market demand both locally and internationally. One significant issue in silver pompano aquaculture is infectious diseases caused by parasites. Water quality, being a critical component of the fish's environment, plays a crucial role in disease occurrence, necessitating effective management practices. This study was conducted at the Center for Mariculture Fisheries (BBPBL) Lampung from July 11 to August 31, 2022, aiming to identify the species, intensity, and methods for examining ectoparasites on silver pompano in floating net cages and to assess water quality management practices that can mitigate the proliferation of parasitic diseases. The methodology employed included direct examination and observation. Ectoparasite assessments at BBPBL Lampung involved scraping the surface of the fish body and mounting the fish gills. The identified ectoparasites in the floating net cages of silver pompano were Pyragraphorus hollisae, Benedenia seriolae, and Neobenedenia girellae. Water quality management in the floating net cages is routinely monitored on a weekly basis.Keywords: BBPBL Lampung, Ectoparasites, Silver Pompano, and Water Quality.
Analisis Produktivitas Hasil Tangkap Terhadap Perbedaan Ukuran Kapal Pukat Cincin (Purse Seine) Yang Di Daratkan Di Pelabuhan Perikanan Samudera (PPS) Belawan Sumatera Utara Berutu, Sumarjani; Nurhayati, Nurhayati; Ramadan, Fauzan; Alwi, Yun; Arfiana, BSM; EG, Ester Restiana
Juvenil Vol 6, No 2: Mei (2025)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v6i2.25432

Abstract

ABSTRAKPelabuhan Perikanan Samudera (PPS) Belawan merupakan salah satu pelabuhan terbesar di Sumatera Utara. Alat tangkat yang paling dominan di PPS Belawan adalah Pukat cincin (Purse seine). Alat tangkap Pukat cincin adalah alat tangkap yang aktif karena dalam pengoperasian kapal, metode yang dilakukan yaitu pelingkaran jaring pada gerombolan ikan. Pukat cincin (Purse seine) di PPS Belawan memiliki berbagai ukuran dan kapasitas tangkap yang berbeda-beda. Penelitian ini bertujuan untuk mengetahui dan memberikan informasi tentang tingkat produktivitas hasil tangkap terhadap perbedaan ukuran GT kapal Purse seine yang berbeda di Pelabuhan Perikanan Samudera (PPS) Belawan Sumatera Utara terhadap ukuran kapal 60 GT dan ≥60 GT. Metode yang digunakan pada penelitian ini adalah metode survei. Data yang diperoleh selanjutnya dianalisis dengan analisis produktivitas dan analisis regresi linear berganda. Berdasarkan hasil penelitian yang dilakukan bahwa produktivitas kapal berukuran ≥60 GT GT lebih besar dibandingkan dengan produktivitas kapal 60GT. Hal ini disebabkan karena semakin besar ukuran kapal maka jumlah tangkapan semakin banyak sehingga semakin tinggi tingkat produktivitasnya.Kata Kunci: Gross Tonnage, Produktivitas, Pukat Cincin (Purse Seine) ABSTRACKBelawan Ocean Fishing Port (PPS) is one of the largest ports in North Sumatra. The most dominant fishing gear in PPS Belawan is purse seine. Purse seine fishing gear is an active fishing gear because in the operation of the ship, the method used is the looping of the net in schools of fish. Purse seines in PPS Belawan have various sizes and different fishing capacities. This study aims to determine and provide information about the level of productivity of the catch against the different GT sizes of different Purse seine vessels at the Port of Ocean Fisheries (PPS) Belawan North Sumatra against the size of the ship 60 GT and ≥60 GT. The method used in this research is the survey method. The data obtained were then analysed with productivity analysis and multiple linear regression analysis. Based on the results of the research conducted that the productivity of ships ≥60 GT GT size is greater than the productivity of ships 60 GT. This is because the larger the size of the ship, the more the number of catches so that the higher the productivity level.Keywords: Gross Tonnage, Productivity, Purse Seine
Eksplorasi Keanekaragaman Spesies Kerang (Bivalvia) di Wilayah Pesisir Socah, Kabupaten Bangkalan, Jawa Timur Putri, Rizka Rahmana; Innaya, Ainnun; Putri, Fareza Nabila Dhea Fatma; Abida, Indah Wahyuni; Pramithasari, Febi Ayu; Nurdini, Jihannuma Adibiah
Juvenil Vol 6, No 2: Mei (2025)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v6i2.30147

Abstract

ABSTRAKPerairan pesisir Socah, Kabupaten Bangkalan, merupakan wilayah yang memiliki potensi keanekaragaman hayati tinggi, khususnya kelompok kerang (Bivalvia). Penelitian ini bertujuan untuk melakukan inventarisasi jenis-jenis kerang yang ditemukan di wilayah tersebut sebagai dasar pengelolaan sumber daya laut yang berkelanjutan. Pengambilan sampel dilakukan menggunakan metode random sampling, kemudian spesimen diidentifikasi berdasarkan morfologi, morfometrik, serta pencocokan data dengan sumber ilmiah dan database biodiversitas seperti World Register of Marine Species (WoRMS) dan Global Biodiversity Information Facility (GBIF). Hasil identifikasi menunjukkan terdapat 12 jenis kerang berdasarkan nomenklatur lokal, di antaranya kerang kampak (Atrina pectinata), kerang hijau (Perna viridis), kerang kepah/kerang putih/kerang tahu (Meretrix meretrix), kerang darah (Anadara granosa), kerang kipas (Mimachlamys varia), kerang batik (Paratapes undulatus), kerang cokelat (Meretrix lusoria), kerang kor-kor (genus Anadara), kerang tiram/tiram Pasifik (Crassostrea gigas), kerang putih tipis dan kerang licin yang sama-sama termasuk dalam genus Dosinia, kerang iris (Pharus legumen). Beberapa spesies yang memiliki kemiripan morfologi (cryptic species) disarankan untuk dianalisis lebih lanjut secara molekuler. Hasil pengukuran kualitas air menunjukkan suhu 29,5°C, pH 7,7, DO 5,5 mg/l, dan salinitas 28 ppt, semuanya berada dalam kisaran optimal untuk kehidupan kerang. Hasil penelitian ini menegaskan pentingnya dokumentasi dan identifikasi awal keanekaragaman kerang secara ilmiah sebagai langkah awal konservasi dan pemanfaatan sumber daya pesisir yang berkelanjutan, serta kami menekankan perlunya revisi taksonomi dan praktik taksonomi yang menggabungkan data molekuler dan morfologi.Kata kunci: biodiversitas, cryptic species, identifikasi morfologi, inventarisasi, kerangABSTRACTThe coastal waters of Socah, Bangkalan Regency, are an area with high biodiversity potential, particularly among bivalve mollusks (Bivalvia). This study aims to inventory the bivalve species found in the area as a foundation for sustainable marine resource management. Sampling was conducted using a random sampling method, and specimens were subsequently identified based on morphological and morphometric characteristics, as well as by cross-referencing scientific literature and biodiversity databases such as World Register of Marine Species (WoRMS) and Global Biodiversity Information Facility (GBIF). The identification results revealed 12 species of bivalves based on local nomenclature, including Atrina pectinata (commonly known as kampak clam), Perna viridis (green mussel), Anadara granosa (blood cockle), among others. Some species with similar morphological features (cryptic species) are recommended for further molecular analysis. Water quality measurements showed a temperature of 29.5°C, pH of 7.7, dissolved oxygen (DO) of 5.5 mg/l, and salinity of 28 ppt, all within the optimal range for bivalve life. This study underscores the importance of scientific documentation and initial identification of shellfish biodiversity as a foundational step toward conservation and the sustainable use of coastal resources. Furthermore, we emphasize the need for taxonomic revision and practices that integrate both molecular and morphological data.Keywords: biodiversity, bivalves, cryptic species, inventory, morphological identification

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