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JFMR (Journal of Fisheries and Marine Research)
Published by Universitas Brawijaya
ISSN : 2337621X     EISSN : 25810294     DOI : -
Core Subject : Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Engineering Environmental Science
Journal of Fisheries and Marine Research (JFMR) is dedicated to published highest quality of research papers on all aspects of : Aquatic Resources, Aquaculture, Fisheries Resources Technology and Management, Fish Technology and Processing, Fisheries and Marine Social Economic and Marine Science. This journal is jointly published by Faculty of Fisheries and Marine Science, Brawijaya University Malang Indonesia and Ikatan Sarjana Perikanan Indonesia (Ispikani). JFMR is a new journal but related to the past journal of Faculty of Fisheries and Marine Science that is Jurnal Penelitian Perikanan (JPP) with ISSN: 2337-621X (print version) and website link of www.jpp.ub.ac.id
Arjuna Subject : -
Articles 640 Documents
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OCEANOGRAPHIC VARIABILITY ANALYSIS USING GIS AND GAM FOR POTENTIAL FISHING ZONE MAPPING OF BIG EYE TUNA (Thunnus obesus) Bambang Semedi; Hardoko .; Laily Septiani Agatha
JFMR (Journal of Fisheries and Marine Research) Vol 5, No 1 (2021): JFMR VOL 5 NO.1
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2021.005.01.22

Abstract

Southern Waters of Java Island are 573 fisheries management zones, the Big Eye Tuna (Thunnus obesus) commodity is one of fish that has high economic value. There are oceanographic factors affect fish distribution of Big Eye Tuna (Thunnus obesus) such as sea surface temperature, chlorophyll-a, and depth. The data research of Big Eye Tuna fishing zone was obtained from PPSC with data description were year, month, day, number of trips, and number of fish caught around 2018-2019. Oceanographic data used from citra satellite Aqua MODIS for sea surface temperature and chlorophyll-a, and citra satellite ETOPO-1 for depth, by using GAM statistical analysis by looking at the lowest AIC value and the largest CDE value of 7 combined models of oceanographic parameters. The results obtained from statistical analysis using the GAM which was very influential in determining the potential zone for the fishing of Big Eye Tuna (Thunnus obesus) showed that a combination of sea surface temperature + chlorophyll - a + depth with an AIC value of 28840.02 and CDE of 11.1%, with the results Oceanographic parameters optimum sea surface temperature was 25 ° C- 30 ° C, for chlorophyll - a 0.08 - 0.30 mg / m3, and for an average depth of 3500m. The depth parameter had a less positive influence because the Cilacap fishermen used FADs for the fishing area of Big Eye Tuna. The distribution area of Big Eye Tuna (Thunnus obesus) in the Southern of Java Island is at latitude (-7.3 °) - (-14.83 °) and longitude 102 ° - 115.25 °.
PENENTUAN KESESUAIAN LOKASI MARIKULTUR IKAN KERAPU DI SUMATERA UTARA, INDONESIA MENGGUNAKAN GOOGLE EARTH ENGINE Seftiawan Samsu Rijal; Gerardus David Ady Purnama Bayuaji
JFMR (Journal of Fisheries and Marine Research) Vol 5, No 2 (2021): JFMR VOL 5 NO.2
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2021.005.02.21

Abstract

Provinsi Sumatera Utara di Indonesia tercatat telah memproduksi komoditas ekspor yang sangat tinggi untuk Ikan Kerapu. Hal ini harus dipertahankan sebagai upaya menjaga keberlangsungan ekonomi perikanan. Salah satu cara mengembangbiakan Ikan Kerapu adalah dengan marin akuakultur (marikultur) yang sangat bergantung pada ekologi lautan seperti keberadaan klorofil-a, Suhu Permukaan Laut (SPL), Muatan Padat Tersuspensi (MPT) dan topografi kedalaman laut (batimetri). Kondisi ekologi lautan yang sangat mudah berubah menghendaki pemantauan secara berkala. Pada penelitian ini, kami memiliki tujuan pertama yaitu mengetahui kemampuan data penginderaan jauh untuk mengekstraksi parameter - parameter yang digunakan untuk kelayakan lokasi marikultur Ikan Kerapu. Kami menggunakan Landsat 8 untuk mengetahui klorofil-a, SPL dan MPT, sedangkan data batimetri didapatkan dari ETOPO1, sebuah data topografi skala global yang memiliki perekaman permukaan lahan (terrain) hingga dasar lautan. Tujuan kami yang kedua adalah mengetahui keakuratan kesesuaian lokasi marikultur yang dihasilkan oleh pemrosesan citra pada GEE. Hasil penelitian dibandingkan dengan peta referensi mengenai lokasi marikultur yang diperoleh dari Lembaga Penerbangan dan Antariksa Nasional (LAPAN) dan menampilkan hasil pengujian matriks akurasi sebesar 80 %. Hal ini membuktikan data penginderaan jauh dapat digunakan untuk membantu menentukan lokasi marikultur Ikan Kerapu dan GEE adalah platform yang sesuai untuk pemantauan secara berkala dengan kemampuan olah citra melalui komputasi awan sekaligus dapat melakukan analisis penjenjangan bertingkat.
ANALISIS KELIMPAHAN FITOPLANKTON BERDASARKAN KETERSEDIAAN NUTRIEN DI RANU GRATI DENGAN GENERALIZED POISSON REGRESSION Evellin Dewi Lusiana; Mohammad Mahmudi; Nanik Retno Buwono; Tisya W. Nisya
JFMR (Journal of Fisheries and Marine Research) Vol 5, No 1 (2021): JFMR VOL 5 NO.1
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2021.005.01.12

Abstract

Fitoplankton adalah organisme akuatik yang memegang peranan penting di ekosistem perairan karena merupakan produsen utama dalam ratai makanan. Pertumbuhan fitoplankton sangat tergantung dari ketersediaan nutrient (nitrat dan fosfat) yang ada di perairan. Ranu Grati adalah danau vulkanis yang terletak di Jawa Timur yang banyak dimanfaatkan oleh masyarakat untuk berbagai aktivitas. Aktivitas-aktivitas tersebut umumnya menghasilkan bahan organik yang akan mempengaruhi konsentrasi nitrat dan fosfat sekaligus juga mempengaruhi struktur komunitas fitoplankton di perairan danau. Penelitian ini bertujuan untuk memodelkan hubungan kelimpahan fitoplankton dengan ketersediaan nutrient serta memprediksi komposisi fitoplankton berdasarkan divisi untuk mengetahui struktur komunitasnya dengan pendekatan Generalized Linear Regression. Hasil analisis menunjukkan bahwa nutrient yang berpengaruh signifikan terhadap jumlah amatan fitoplankton adalah konsentrasi fosfat, sedangkan kelimpahan fitoplankton di Ranu Grati cenderung didominasi oleh fitoplankton dari divisi Chlorophyta. 
PERKEMBANGAN PENYAKIT KARANG HIAS KOLANG KALING KEMBANG (Catalaphyllia jardinei) OLEH CACING ACOEL FLATWORM (Waminoa sp.) DI PERAIRAN LAUT GILIMANUK, JEMBRANA BALI Dzikrillah Akbar; Muhammad Arif Asadi
JFMR (Journal of Fisheries and Marine Research) Vol 5, No 2 (2021): JFMR VOL 5 NO.2
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2021.005.02.12

Abstract

Terumbu karang adalah salah satu ekosistem yang kompleks, dimana komponen penyusun utama ekoisitem tersebut adalah karang keras. Indonesia merupakan salah satu wilayah Coral Triangle yang aktif melakukan ekspor karang hingga tahun 2017, namun pada pertengahan tahun 2018 ekspor karang hias telah dilarang. Perusahaan hanya mampu melakukan produksi (transplan) dan perawatan karang hias yang di budidaya. Karang kolang-kaling kembang atau elegance coral (Catalaphyllia jardineii) merupakan salah satu karang hias yang dibudidaya dengan kuota besar di area Bali karena memiliki nilai jual tinggi. Koloni cacing acoel flatworm bersifat parasit merambah pada sejumlah karang hias budidaya C. jardineii pada wilayah budidaya di perairan Gilimanuk, Jembrana Bali. Pengamatan perkembangan flatworm dilakukan selama dua kali dalam jeda waktu empat hari pada rak budidaya yang berisi koloni karang hias C. jardineii.  Presentase tutupan flatworm pada pengamatan pertama sebesar 42.76% dan pada pengamatan kedua naik dengan nilai presentase 46.84%. Hasil tersebut diduga akibat waktu kematangan usia, waktu penetasan telur yang cepat serta kesesuaian habitat acoel flatworm pada area pengamatan.
ANTIBACTERIA ACTIVITY OF GASTROPOD ASSOCIATION BACTERIA FROM MANGROVE ECOSYSTEM AGAINST BACILLUS CEREUS AND ESCHERICHIA COLI AND IT’S POTENCY OF APPLICATION FOR BELANAK FISH (MUGIL SUBVIRIDIS) Patria Ami Wijaya; Delianis Pringgenies; Ervia Yudiati
JFMR (Journal of Fisheries and Marine Research) Vol 5, No 1 (2021): JFMR VOL 5 NO.1
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2021.005.01.3

Abstract

Gastropod association bacteria from magrove ecosystem have a great potency as antibacteria. The contamination of Escherichia coli and Bacillus cereus can cause damage in fish product. The aims of these research are to determine gastropod association bacteria that can inhibit E. coli and B. cereus growth, as well as the contaminantion bacteria in Belanak (Mugil subviridis). Gastropods sample Certhideopsilla alata, Cerithidea quoyii, Cassidula aurisfelis, Cassidula nucleus, Telescopium telescopium were collected at Mangrove Education Park, Tugu, Semarang. The resaerch procedure were isolation, antibacteria test, biochemistrically identification, and then application in Belanak fish (Mugil subviridis). There were 61 bacteria isolated. Thirteen isolates were able to inhibit E. coli and eight to B. cereus. Supernatant of GMT 3.2.5 and GMT 4.1.3 have the most widely inhibition zone, (8,48 mm and 7,84 mm). Biochemistry identification shown that GMT 3.2.5 and GMT 4.1.3 has identic characteristic with genus Micrococcus sp. and Bacillus sp. Total plate count (cfu/ml) of bacteria from Belanak fish flesh that soaked by Micrococcus sp. GMT 3.2.5 and Bacillus sp. GMT 4.1.3 supernatant were 115 x 104 and 265 x 103colony. The colony were less than negative control  (2312 x 103 colony). The association bacteria can inhibit contaminant bacteria in Belanak fish.
DETERMINATION OF WATER QUALITY STATUS BASED ON HEAVY METAL CONTENTS IN THE RAINY AND DRY SEASON USING THE STORET INDEX IN PASURUAN SEA WATERS, EAST JAVA Endang Yuli Herawati; Diana Arfiati; Pratama Diffi Samuel; Karina Farkha Dina; Putri Anugerah; Rahmi Valina
JFMR (Journal of Fisheries and Marine Research) Vol 5, No 2 (2021): JFMR VOL 5 NO.2
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2021.005.02.3

Abstract

Waters that are presumably contaminated with heavy metals need to be observed to ensure the level of pollution to perform water restoration. This study was aimed to determine the status of water quality based on heavy metal contents. The survey method was employed in this study, and it was conducted in Pasuruan sea waters in different seasons; September 2019 represented the dry season, and April 2020 represented the rainy season. The water sampling stations were chosen by using purposive sampling in three sampling locations: the sea waters of Kraton, Lekok, and Nguling districts. The heavy metals and water quality parameters were analyzed by using Storet Index. The results indicated that the highest level of heavy metals was found in Lekok waters in September, consisting of Hg (1.22 mg/l), Cd (1.20 mg/l), and Pb (0.55 mg / l). The seawater of Nguling district had the lowest content in April, while Kraton's seawater was moderate. The water quality status based on the Storet Index suggested that the sea waters of Kraton, Lekok, and Nguling districts were classified as moderately polluted with a score of -16 to -24. The highest score was in September in the rainy season with a score of -24 and the score in April in the dry season was -16. It means that the score is increasing but still in the moderately polluted category. The measurement results of temperature, pH, dissolved oxygen, salinity, and current velocity were in optimum results for aquatic organisms in the dry season or the rainy season. Regarding the water quality status in Pasuruan sea waters, it can be concluded that the heavy metal contents exceeded the quality standard set by the government. Therefore, improved management is required to prevent the deterioration of the pollution status in Pasuruan sea waters
Analisis Mikroplastik Pada Kerang Kijing (Pilsbryoconcha exilis) Di Sungai Perancak, Jembrana, Bali Agung Yunanto; Dara Sarasita; Defri Yona
JFMR (Journal of Fisheries and Marine Research) Vol 5, No 2 (2021): JFMR VOL 5 NO.2
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2021.005.02.32

Abstract

Sampah plastik merupakan sumber sekunder dari mikroplastik. Ukuran mikroplastik yang sangat kecil dapat menyerupai plankton dan mikroorganisme lainnya, sehingga berpotensi termakan oleh biota laut yang bersifat pasif seperti kerang. Mikroplastik yang terkandung dalam biota akan terakumulasi dan menyebabkan berbagai macam dampak. Penelitian ini dilakukan untuk menganalisa dan mengidentifikasi mikroplastik pada kerang Kijing (Pilsbryoconcha exilis) di Sungai Perancak, Bali. Analisa dan identifikasi dilakukan dengan 4 tahapan, yaitu preparasi sampel, perlakuan hidrogen peroksida, pemisahan massa jenis dan identifikasi mikroplastik secara visual. Hasil dari penelitian ini, ditemukan mikroplastik jenis fiber dan film pada sampel kerang. Mikroplastik jenis fiber paling banyak ditemukan pada sampel dibandingkan mikroplastik jenis film.Plastik waste is a secondary source of microplastics. The very small size of microplastics can resemble plankton and other microorganisms, so that they have the potential to be eaten by passive marine biota such as shellfish. Microplastics contained in biota will accumulate and cause various kinds of impacts. This research was conducted to analyze and identify microplastics in shellfish (Pilsbryoconcha exilis) in the Perancak River, Bali. Analysis and identification were carried out in 4 stages, namely sample preparation, hydrogen peroxide treatment, density separation and visual identification of microplastics. The results of this study, found microplastic types of fiber and film in the shell samples. Fiber type microplastics are mostly found in samples compared to film type microplastics.
ANALISIS BEBAN DAN STATUS PENCEMARAN BOD DAN COD DI KALI ASIN, SEMARANG Lelim Yelli Kurnianti; Haeruddin .; Arif Rahman
JFMR (Journal of Fisheries and Marine Research) Vol 4, No 3 (2020): JFMR VOL 4 NO 3
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2020.004.03.10

Abstract

Kali Asin is an important river for the drainage system in North Semarang. This river is often drained by domestic and industrial waste. The inclusion of these wastes can cause a decrease water quality marked by an increase Biological Oxygen Demand (BOD) and Chemical Oxygen Demand (COD) concentrations. The purpose of this study was to determine the load of BOD and COD pollution and assess the status of pollution using the Pollution Index Method based on Government Regulation Number 82 of 2001 class II. Sampling was carried on 17 December 2019-28 January 2020. Sampling was carried out three times, once in 3 weeks. The material used was water samples taken from three stations (estuary, middle of the settlement, and far from the settlement) based on regional characteristics, land use, and sources of pollution. The research method uses a survey method with the technique of determining the location of sampling using purposive sampling. Water quality variables analyzed were temperature, discharge, pH, DO, BOD, COD. Based on the research results, these variables mostly do not meet the quality standards such as BOD and COD variables. The results of the calculation of pollution load in terms of BOD and COD variables obtained an average number of 952.54 kg / day and 3,425.86 kg / day. The results of the pollution index calculation at stations A, B, and C are 3.88; 3.78 and 3.53. The level pollution of Kali Asin was categorized in mild contamination. Keywords: Pollution Load, BOD, COD, Pollution Index, Kali Asin
VARIABILITAS KLOROFIL-A MELALUI SATELIT MULTI RESOLUSI PULAU BALI, INDONESIA Rizki Hanintyo; Dinarika Jatisworo
JFMR (Journal of Fisheries and Marine Research) Vol 5, No 2 (2021): JFMR VOL 5 NO.2
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2021.005.02.26

Abstract

Klorofil-a (Chl-a) merupakan informasi yang sangat penting untuk mengetahui kesuburan suatu perairan. Dalam studi ini kami menyajikan analisis komparatif variabilitas klorofil-a dari produk level 3 Chl-a pada  4 (empat) data satelit yaitu Aqua MODIS, VIIRS-SNPP, Himawari-8, dan Sentinel 3 OLCI pada wilayah Selat Bali. Analisis didasarkan pada data rerata bulanan Chl-a pada tahun 2020. Hasil perhitungan rerata statistik menunjukkan bahwa informasi chl-a pada satelit Aqua MODIS dan Sentinel 3 OLCI mengalami peningkatan nilai rerata di bulan mei hingga agustus sedangkan pada satelit Himawari 8 AHI dan Suomi NPP VIIRS cenderung stabil dan tidak menunjukkan variasi. Variabilitas klorofil-a sangat nampak di daerah selat bali dan cenderung statis di daerah kepulauan Nusa Penida dan bali utaraChlorophyll-a (Chl-a) is very important information to determine the fertility of water. In this study, we present a comparative analysis of the variability of chlorophyll-a from level 3 Chl-a products on 4 (four) satellite data, namely Aqua MODIS, VIIRS-SNPP, Himawari-8, and Sentinel 3 OLCI in the Bali Strait region. The analysis is based on Chl-a's monthly average data in 2020. The results of mean statistical calculations show that the Chl-a concentration has been increased at mei to august from Aqua MODIS and Sentinel 3 OLCI satellite data. In the other hand, Himawari 8 AHI and Suomi NPP VIIRS tend to be stable and didn’t show any variation. The Chl-a concentration showed high variability in bali strait area and tend to be stable in Nusa Penida Island and north bali seas.
DNA BARCODING DAN STATUS KONSERVASI IKAN HIU (HEMISCYLLIIDAE DAN CHARCHARHINIDAE) YANG DIDARATKAN DI PPN SUNGAILIAT BANGKA Okto Supratman; Siti Aisyah; Risna Hidawati; Okto Supratman; Ahmad Fahrul Syarif
JFMR (Journal of Fisheries and Marine Research) Vol 4, No 3 (2020): JFMR VOL 4 NO 3
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2020.004.03.1

Abstract

Ikan hiu merupakan ikan bertulang rawan yang banyak diburu karena memiliki nilai ekonomi yang tinggi. Penangkapan dan perdagangan secara berlebihan menyebabkan spesies ini terancam kepunahan dan sudah masukdalambeberapa ketegori IUCNRed List. Informasi mengenai jenis-jenis hiu yang didaratkan di PPN Sungailiat Bangka masih sangat terbatas dikarenakan sulitnya identifikasi secara morfologi sehingga perlu dilakukan identifikasi dengan metode molekuler. Penelitian ini bertujuan untuk mengetahui jenis, filogenetik danstatus konservasiikan hiu yang didaratkan di PPN Sungailiat Bangka. Penelitian dilakukanpada Januari -Agustus2019.Metode penelitian terdiri dari empat tahap, yaitu pengumpulan sampel, identifikasi molekuler (gen Cytochrome Oxidase Subunit 1/COI),analisis filogenetik dan status konservasi.Hasil penelitianmenunjukan bahwa karakter nukleotida gen COI sampel ikan hiu yang dicocokan dengan menggunakan program BLAST yang terintegrasi pada laman GenBankteridentifikasi sebagai spesies Chiloscyllium punctatumdan Carcharhinus leucas dengan tingkat kemiripan masing-masing 100%. Jika ditinjau dari data IUCN Red List, spesies Chiloscyllium punctatumdan Carcharhinus leucas masuk dalam kategori Near threatened(Hampir Terancam). Pendataan jenis dan status konservasi ikan hiu inimerupakan salah satu langkah awal dalam pengelolaan mengingat spesies tersebut berperan penting dalamkeseimbanganekosistemlaut.

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