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Sekretariat Jurnal Ilmu Perikanan Tropis Nusantara Gedung Fakultas Perikanan dan Ilmu Kelautan Univeritas Mulawarman Kampus Gunung Kelua, Jl. Gn. Tabur No. 1 Lt. 3 Samarinda (Kaltim) Telpon/Fax. (0541) 749482, 748372
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Ilmu Perikanan Tropis Nusantara
Published by Universitas Mulawarman
ISSN : -     EISSN : 29855462     DOI : https://doi.org/10.30872/
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
This journal covers broad tropical aquatic science which includes: aquatic biotas aquaculture molecular biology and ecology genetics biochemistry physiology ecology behavior evolutionary studies conservation assessment population dynamics mathematical modelling ecosystem analysis fish processing technology social, economic and policy aspects of fisheries.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 76 Documents
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Suplementasi bakteri asam laktat dalam mengendalikan infeksi bakteri Pseudomonas sp. pada ikan nila (Oreochromis niloticus): Supplementation of lactic acid bacteria in controlling bacterial infections of Pseudomonas sp. in Tilapia (Oreochromis niloticus) Awang Andrian Sumarlan; Agustina; Gina Septiani
Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) Vol. 2 No. 1 (2023): Ilmu Perikanan Tropis Nusantara
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i1.378

Abstract

Bacterial disease in fish that is often a problem is caused by Pseudomonas sp. The purpose of this study was to examine the effect of supplementation with lactic acid bacteria on the body's resistance of tilapia infected with Pseudomonas sp. This research was conducted from March to April 2022 at the Laboratory of Microbiology and Aquaculture Biotechnology, Faculty of Fisheries and Marine Sciences, Mulawarman University. This study used a completely randomized design (CRD) with 4 treatments with different lactic acid bacteria and 3 replications of the same lactic acid bacteria. used, namely: P0 (PBS), P1 (Enterococcus feacalis), P2 (Lactobacillus plantarum), P3 (Lactococcus lactis) with a dose of 106 CFU/mL and mixed with 2% egg white given for 14 days. The results showed that lactic acid bacteria supplementation able to relieve clinical symptoms and anatomical pathology, increase survival compared to the control treatment in this study, the highest survival rate was 100% in the Enterococcus feacalis treatment. (P>0.05) and the lowest total colony average was 7.45 x 103 CFU/mL, namely the treatment with Enterococcus faecalis and the water quality parameters were still within normal limits.
Analisis hasil tangkapan ikan berdasarkan waktu hauling jaring bagan tancap di Perairan Lamaru, Kota Balikpapan: Analysis of differences in hauling time in bagan tancap nets in Lamaru Waters, Balikpapan City Wedim; Iwan Suyatna; Nurfadilah
Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) Vol. 2 No. 1 (2023): Ilmu Perikanan Tropis Nusantara
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i1.412

Abstract

Bagan tancap merupakan alat tangkap ikan kategori jaring yang banyak digunakan di Kalimantan Timur. Bagan tancap dioperasikan pada malam atau siang hari sesuai dengan kebutuhan dan situasi di daerah tersebut. Seperti di perairan Lamaru, setiap operasi jaring dilakukan ± 2-3 kali hauling atau jaring yang biasanya dilakukan sebelum tengah malam (21.00-23.59 WIB), tengah malam (00.00-02.59 WIB) dan setelah tengah malam (03.00-06.00 WIB). Penelitian ini bertujuan untuk menganalisis perbedaan waktu angkut tancap Bagan terhadap hasil tangkapan di Perairan Lamaru Kota Balikpapan. Pengumpulan data dilakukan tiga kali sehari dengan menggunakan metode purposive sampling dengan 3 periode pengambilan sampel untuk setiap pengambilan data. Hasil yang ditemukan tangkapan diambil sebelum tengah malam dengan rata-rata 5,52 kg, pada tengah malam jumlah tangkapan rata-rata 3,90 kg, sedangkan setelah tengah malam angka rata-rata yang didapat adalah 7,36 kg. Dari hasil tersebut dapat disimpulkan bahwa perbedaan waktu angkut menunjukkan perbedaan hasil yang signifikan terhadap hasil tangkapan, dan waktu angkut bagan yang paling optimal adalah setelah tengah malam.
Aplikasi perhitungan tingkat kesuburan perairan dengan Metode Carlson pada perairan urban Danau Polder Air Hitam di Kota Samarinda: Application of Carlson trophic state index on trophic state determination of urban Polder Air Hitam Lake in Samarinda City Hamdhani Hamdhani; Musyiir Sharaha; Febby Nur Fadhilla; Gregorius Viky Harijono
Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) Vol. 2 No. 1 (2023): Ilmu Perikanan Tropis Nusantara
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i1.494

Abstract

In general, various human activities cause eutrophication in water bodies. Lentic system is vulnerable to discharge of pollutants from surrounding areas. Similar scenarios most likely occur in Polder Air Hitam Lake in Samarinda City. The goal of this study was to investigate the trophic status of this urban lake using modified Carlson index with the indicator of chlorophyll-a and total phosphate/ Spatially the variation of chlorophyll-a was 32.6 – 97.3 µg/L, and total phosphate was 0,141 – 0,225 mg/L. The calculation of Carlson trophic state index resulted 73.78, which indicated hypereutrophic status. This condition was not ideal for a healthy lentic system. In the future a related treatment is required to optimize multiple functions of this urban lake.
Analysis of Distribution and Marketing Margins of Sunu Grouper (Plectropumus leoparsus) in Teluk Sulaiman Village, Biduk-Biduk District, Berau Regency Agustina, Eva; Haqiqiansyah , Gusti; Juliani, Juliani
Nusantara Tropical Fisheries Science (Ilmu Perikanan Tropis Nusantara) Vol. 2 No. 2 (2023): Nusantara Tropical Fisheries Science
Publisher : Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i2.391

Abstract

The study was conducted with the aim of analyzing and describing how the distribution process and marketing margins of Sunu Grouper (Plectropomus leopardus) in Sulaiman Bay Village. The research was carried out for 9 months from March to December 2022 in Kampung Teluk Sulaiman, Biduk-Biduk District, Berau Regency. The method used in sampling fishermen is purposive sampling with a total of 21 respondents, while in sampling collecting traders and retailers using the snowball sampling method as many as 10 people. The analysis method uses qualitative descriptive analysis. The results show that the marketing channel pattern on the sale of Sunu Grouper Fish in Kampung Teluk Sulaiman there are 2 levels of marketing channels of the level one channel pattern and the second level channel pattern. Based on the results of the margin calculation of each Sunu Grouper marketing institution in Teluk Sulaiman village, the institutions that obtained a larger margin were collecting traders of IDR 25,000, while retailers of IDR 20,000
Marketing Channels of Sangkuriang Catfish (Clarias gariepinus) Hatchery Business in Karang Tunggal Village, Tenggarong Seberang District Elena, Margaretha; Haqiqiansyah, Gusti; Darmansyah, Oon
Nusantara Tropical Fisheries Science (Ilmu Perikanan Tropis Nusantara) Vol. 2 No. 2 (2023): Nusantara Tropical Fisheries Science
Publisher : Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i2.528

Abstract

This study aims to determine the marketing channel pattern of Sangkuriang Fahtoni catfish hatchery in Karang Tunggal Village, Tenggarong Seberang District, Kutai Kartanega Regency. This research was carried out from July 2022 to January 2023 at the Sangkuriang Fahtoni Catfish Hatchery, Karang Tunggal Village, Tenggarong Seberang District, Kutai Kartanegara Regency. The sampling method in research applies case study techniques. A sample of 1 respondent with reference to the census method. The results showed that there are 2 institutions involved in marketing activities at the Sangkuriang Fahtoni catfish hatchery, namely producers (Fahtoni hatchery business), retailers, and consumers. Marketing funnel pattern, level zero and level one marketing channel pattern.
Feasibility Analysis of Lobster (Panulirus sp) Aquaculture Business in The Pokdakan Gisman Jaya Group, Penajam Sub-District, Penajam Paser Utara Regency Ilham , Mohammad Sahrul; Gunawan, Bambang Indratno; Abdusysyahid, Said
Nusantara Tropical Fisheries Science (Ilmu Perikanan Tropis Nusantara) Vol. 2 No. 2 (2023): Nusantara Tropical Fisheries Science
Publisher : Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i2.601

Abstract

The purpose of this study was to determine the feasibility of the business in lobster shrimp farming (Panulirus sp) and to determine the level of costs and profit levels of lobster shrimp farming (Panulirus sp) in the Pokdakan Gisman Jaya Group, Penajam District, North Penajam Paser Regency. The sampling method used in this study is the saturated sample method. Data analysis uses methods of production cost as well as profit analysis, business feasibility analysis and qualitative descriptive analysis using a likert scale. According to the results of the cost analysis incurred is IDR 26,921,133 respondent/production, profit is IDR.41.114.337/respondent/production, R/C value of 2.82, payback period of 0.654 times production.
Analysis of Fish Cultivation Business in Cages in Tering Sub-District, Kutai Barat Regency East Kalimantan Province Ramadana, Muhammad Andhika; Helminuddin, Helminuddin; Fahrizal, Wahyu
Nusantara Tropical Fisheries Science (Ilmu Perikanan Tropis Nusantara) Vol. 2 No. 2 (2023): Nusantara Tropical Fisheries Science
Publisher : Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i2.602

Abstract

The purpose of this study was to determine the business analysis of goldfish cultivation in cages in Tering District using the Revenue Cost Ratio, Return on Investment, and Payback Period methods. This research was conducted from July to September 2022. The types of data in this research are primary data and secondary data with the data collection method using a questionnaire. The results showed that the RCR value was 1.48, ROI was 13,62%, and the payback period was 0,62. The results of business analysis research show that cultivating carp in cages is profitable.
Pertumbuhan dan percepatan molting kepiting bakau (Scylla serrata) yang diberi ekstrak temu kunci (Boesenbergia pandurata) 3 In 1 BIOIMUN® di tambak silvofishery Desa Salo Palai Kecamatan Muara Badak Kabupaten Kutai Kartanegara: The growth and accelerate molt of mud crab (Scylla serrata) given Boesenbergia pandurata extract in silvofishery ponds Salo Palai Village Muara Badak District Kutai Karanegara Regency Jolpano, Andre; Handayani, Esti; Saptiani, Gina
Nusantara Tropical Fisheries Science (Ilmu Perikanan Tropis Nusantara) Vol. 2 No. 1 (2023): Ilmu Perikanan Tropis Nusantara
Publisher : Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i1.76

Abstract

This research aimed to study the administrasion of B. pandurata extract mixed with crab feed on the percentage of molting, growth, and survival, and feed conversion ratio of mud crabs reared in silvofishery ponds. This research was conducted in Salo Palai Village, Muara Badak District, Kutai Kartanegara Regency. This study used a completely randomized design, with 4 treatments and 3 replications. The extract of B. pandurata in the form 3 In BIOIMUN® drug there are 4 treatment dose dasnamely (0 mL/kg, 20 mL/kg, 25 mL/kg, 30 mL/kg feed). The crabs used came from the catch of the Muara Badak community with a size of 200-280 g, and were culture for 4 weeks (30 days). The crabs were fed fresh fish with the addition of extract 2 times a day, in the morning (07.00-08.00) and afternoon (16.00-17.00), but feeding was done every 2 days. The feed given was weighed as much as 5% of the weight of the crab. The results showed that the administration of 3 In 1 BIOIMUN® in treatment P1 (20 mL/kg) affect the percentage of molting, growth, survival, and feed conversion ratio.
Karakteristik plankton pada ekosistem terumbu karang alami dan terumbu buatan di Desa Tihik-Tihik Kota Bontang: Characteristics of plankton in natural coral reef ecosystems and artificial reefs in Tihik-Tihik Village, Bontang City Maherezky, Wahyudi; Eryati , Ristiana; Abdunnur, Abdunnur
Nusantara Tropical Fisheries Science (Ilmu Perikanan Tropis Nusantara) Vol. 2 No. 1 (2023): Ilmu Perikanan Tropis Nusantara
Publisher : Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i1.176

Abstract

Coral reefs found in Tihik-Tihik village shows moderate coral reef status with indications of greater potential for damage so that protection efforts are needed. This research aims to analyze the abundance and community structure of plankton in reef ecosystems natural and artificial reefs. Sampling was carried out in the month of October – November 2020 at four stations at high and low tide with using a plankton net, then identified in the Water Quality Laboratory FPIK Unmul. The identified plankton consisted of 7 classes, namely, Bacillariophyceae (21 species), Conjugatophyceae (3 species), Copepoda (8 species), Cyanophyceae (1 species), Dinophyceae (10 species), Oligotrichea (3 species), Trebouxiophyceae (1 species). The highest total abundance of artificial reef ecosystems was at station 2 pairs with a total of 6741 ind/l. The diversity index (H') ranged from 2.12 to 2.22. The uniformity index (E) ranged from 0.92 – 0.96. The dominance index (D) ranges from 0.11 to 0.13. Sorenssen similarity index ranged from 29 – 68%.
Kandungan nitrogen saat pasang dan surut di Sungai Mahakam Kota Samarinda: Nitrogen content during high and low tides in the Mahakam River, Samarinda City Kania Karnelia; Ghitarina, Ghitarina; Suryana, Irma
Nusantara Tropical Fisheries Science (Ilmu Perikanan Tropis Nusantara) Vol. 2 No. 1 (2023): Ilmu Perikanan Tropis Nusantara
Publisher : Faculty of Fisheries and Marine Science, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jipt.v2i1.179

Abstract

This study aims to determine the levels of nitrogen compounds in the Mahakam river at high and low tide, and to compare it with the quality standard East Kalimantan Timur Regulation Number 02 0f 2011 concerning Water Quality Management and Water Pollution Control. The data obtained in the field and the results of the analysis in the laboratory are displayed in the form of tables and graphs. The data is presented based on a descriptive picture to get conclusions from the results of the study, with an independent sample t-test and compared the average between the two cases. The levels of Ammonia, Nitrite and Nitrate at high tide were significantly lower than at low tide. lower than at low tide. Ammonia levels at high tide ranged from 0.382- 0.424 mg/L, and have exceeded the quality standard threshold of regional Regulation of East Kalimantan Province Number 02 of 2011. Nitrite levels at high tide range from 0.027- 0.068 mg/L and ar low tide 0.04 - 0.068 mg/L, and still meet the quality standards of East Kalimantan Province Regulation Number 02 0f 2011.Nitrate levels at high tide range from 0.89 – 1.20 mg/L and at low tide 1.00 – 1.20 mg/L, which still meets the quality standards of East Kalimantan Province Regualation No. 01 of 2011. The levels of Ammonia, Nitrite and Nitrate at high and low tide were not significantly different.

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