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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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Microplastic in Water and Sediment from the Middle Segment of Karang Mumus River, Samarinda City, East Kalimantan Saputri, Dea; Hamdhani, Hamdhani; Suryana, Irma
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.v2i2.679

Abstract

The increasing use of plastic causes an increase in plastic waste in the environment, especially waters. Plastic waste that enters the waters will then be degraded into polymers less than 5 mm called as microplastics.  The purpose of this study was to determine the content of microplastics in water and sediment and the relationship between microplastics in water and sediment in the Karang Mumus River in Samarinda City. Sampling was carried out at 3 stations in the Karang Mumus River then sample analysis was carried out at the Water Quality Laboratory of Mulawarman University. Based on the results of the research obtained, the types of microplastics found are fiber, fragments, films and microbeads. The most type of microplastic was found is film. The mean concentration of microplastic in the water was 3,04 particles/L and in the sediment was 1322,22 particles/Kg.
Community Structure of Periphyton on Seagrass Beds (Enhalus acoroides) in the Waters of Balikpapan Bay, East Kalimantan Arfina Shariani; Jailani, Jailani; Nurfadilah, Nurfadilah
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.v2i2.680

Abstract

Periphyton are animals or plants that live below the surface of the water, attached to rocks, twigs, soil or other substrates. Periphyton which is classified into the animal group generally consists of protozoa and rotifers, while periphyton which is classified as plant consists of microalgae. The purpose of this study was to determine the structure of seagrass and the role of the Periphyton community. Measurement of water quality parameters was carried out at the Water Quality Laboratory, Faculty of Fisheries and Marine Sciences, while substrate research was carried out at the Soil Laboratory, Faculty of Agriculture. This research was conducted from November to March 2023 using the quadratic transect method while determining the stations and observation points using the purposive sampling method. Observation locations were determined based on seagrass density and using the transect method with a 50×50 cm quadrant. data were analyzed by calculating the Periphyton Community Structure. The abundance of periphyton in the Bay of Balikpapan, East Kalimantan, consists of seven classes, namely Bacillariophyceae, Ulvophyceae, Mediophyceae, Copepoda, Gastropods, Diplopoda, Dinophyceae. while the highest abundance was at station 3 of 36.1667. The high abundance of Periphyton at station 3 was caused by the sandy substrate and good water quality parameters. Based on the Diversity Index value indicates low Index status, Uniformity Index value indicates low Index status, Dominance Index value indicates low Index status.
Community structure of phytoplankton in seagrass beds in the waters of Balikpapan City Bay, East Kalimantan Jailani, Jailani; Sari, Shavira Malianda; Nurfadilah, Nurfadilah
Nusantara Tropical Fisheries Science (Ilmu Perikanan Tropis Nusantara) Vol. 3 No. 1 (2024): Nusantara Tropical Fisheries Science
Publisher : Faculty of Fisheries and Marine Science, Mulawarman University

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

Abstract

Seagrasses are flowering plants that live in shallow waters and form an ecological community which is a place for biotic and abiotic interactions. The structure of the phytoplankton community consists of individual arrangements of various types and species that are organized to form a community. Phytoplankton are autotrophic organisms and primary producers in the marine food chain. The purpose of this study was to determine the abundance of phytoplankton, uniformity and dominance values. Measurement of water quality parameters was carried out at the Water Quality Laboratory, Faculty of Fisheries and Marine Sciences, Mulawarman University from November to December. Determination of research locations using the method of consideration (purposive sampling method). Sedgewick-Rafter method was applied for the identification stage. The data were analyzed by calculating the abundance of phytoplankton, diversity index, uniformity index and dominance index, then the data were analyzed using Microsoft Excel. The abundance of phytoplankton ranged from 2772 - 1575 individuals/L. While the diversity index values ​​ranged from 2.79 - 2.57, the uniformity index values ​​ranged from 0.74 - 0.80 and the dominance index values ​​ranged from 0.10 - 0.11.
Community structure of zooplankton in seagrass beds in the bay of Balikpapan City, East Kalimantan Jailani, Jailani; Putri, Aprilia Kartini; Nurfadilah, Nurfadilah
Nusantara Tropical Fisheries Science (Ilmu Perikanan Tropis Nusantara) Vol. 3 No. 1 (2024): Nusantara Tropical Fisheries Science
Publisher : Faculty of Fisheries and Marine Science, Mulawarman University

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

Abstract

Zooplankton is a component in the food chain that has an important role in the production value of an ecosystem, this is because zooplankton is the main connecting link between phytoplankton and nekton. The purpose of this study was to determine the types of zooplankton found in the seagrass beds of Balikpapan Bay and to determine the value of diversity, uniformity and dominance of zooplankton in the waters of Balikpapan Bay. Measurement of water quality parameters was carried out at the Water Quality Laboratory of the Faculty of Fisheries and Marine Sciences. This research was conducted in November - December 2022 in the waters of the Bay of Balikpapan City using the consideration method (Purposive Sampling Method) to determine the research station and use the method Sedgewick Rafter for the identification stage the data were analyzed by calculating zooplankton abundance, diversity index, uniformity index and dominance index, then the data were analyzed using Microsoft Excel. The abundance of zooplankton in the waters of Balikpapan City Bay consisted of 2 classes, namely copepods and oligotrichea, while for the abundance of zooplankton the results were different at station 1, the value was 1134 ind/L at station 2, the result was 567 ind/L and at station 3, the value was obtained 252 ind/L for station 1 and 2 of the highest species is the crime of murderand at station 3 the highest species Tintinnopsis open. The diversity index value in Balikpapan Bay waters is categorized as moderate species, the uniformity index value in Balikpapan Bay waters is categorized as relatively stable and the dominance index value in Balikpapan Bay waters is categorized as no dominant species.
Concentration of Heavy Metal Pb and Cu in Reef Fish at the Waters of Miang Besar Island in Kutai Timur Regency Pajar, Zulkifli; Rafii, Akhmad; Ghitarina, Ghitarina
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.v2i2.796

Abstract

Miang Island is a transportation route for coal ships and a place for loading and unloading coal, then there are also oil palm companies around this island. On this island there are also still islanders who carry out household activities in this area, such as washing activities, thus producing household waste in the waters on this island. Therefore, community activities carried out on this island can contribute to the burden of pollution of waters and reef fish in these waters, therefore it is necessary to conduct research on heavy metal levels that have contaminated organisms in these waters related to the pollution conditions that occur. This research was conducted in February 2023 in the waters of miang island and analyzed water quality and heavy metal content in the water quality laboratory and soil laboratory of mulawarman university. The parameters that will be observed are the analysis of heavy metals lead (Pb) and copper (Cu) found in reef fish meat and statistical analysis using the Chi-Square test by comparing heavy metal content in reef fish against water quality data. In this study, reef fishes that have been analyzed are Lutjanus decassatus, Pentapodus caninus, Ephnephlesu ongus, Lethrinus erythropetrus, Balistapus undulatus, Gymnocranius microdon, Plectropomus leopardus, and Priacanthus meeki. All fish species contain heavy metals lead (Pb) and copper (Cu), this can be caused by activities carried out by local communities that can disturb water conditions and have an impact on fish, In the Chi-square analysis that has been carried out on water quality at each station on Miang Island, the results obtained water quality gives an influence on heavy metals in the bodies of reef fish that have been caught in this study. This can be caused by water quality that is affected by heavy lead (Pb) and copper (Cu) from human activities in these waters, such as ship loading and unloading activities, and ship transportation routes.
Analysis of the welfare level of fish farming groups in Sebulu Ulu Village, Sebulu District, Kutai Kartanegara Regency Ihsan, Aji Muhammad Ridho; Syafril , Muhammad; Fahrizal, Wahyu
Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) Vol. 4 No. 1 (2025): 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.v4i1.891

Abstract

Economic development is the process of increasing overall income and per capita income while considering population growth and maximizing welfare for the benefit of families and communities. This study aims to analyze the welfare level of fish farming groups using indicators from the Central Bureau of Statistics (BPS) and the Fish Farmers' Exchange Rate (NTPi). The required data consists of both primary and secondary data in accordance with the research objectives. The research findings indicate that fish farmers in Sebulu Ulu Village, Sebulu District, Kutai Kartanegara Regency, are categorized as prosperous. Based on the 2016 BPS welfare indicators, the average score obtained was 19, with 6 respondents (60%) classified as having a moderate level of household welfare, meaning that their living conditions are fairly prosperous. According to the NTPi indicator, the total income of fishing families was 1.23, while the total income of fish farming businesses was 1.96. Since these values are greater than 1, it indicates that the majority of fish farming families are already prosperous.
Study on the dynamics of Fish Farmer Group (Pokdakan) in Bukit Pinang Village, Samarinda Ulu District, Samarinda City Fauziah, Dewy; Haqiqiansyah, Gusti; Juliani, Juliani
Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) Vol. 4 No. 1 (2025): 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.v4i1.1147

Abstract

The aim of the research, is to determine the profile of the Rejang Raya Lake fish cultivator group (Pokdakan), and to find out the level of dynamism of the Rejang Raya Lake fish cultivator group (Pokdakan). The sampling method used was the census method with the number of respondents taken as many as 10 respondents. The analytical method used is a Likert scale to determine the level of dynamics of the Rejang Raya Lake fish cultivator group for each indicator: group goals, group structure, group tension, group effectiveness, hidden intentions are in the high category. The level of dynamics of the Rejang Raya Lake Fish Cultivator Group (Pokdakan) cumulatively obtained a score of 79.90, which is at a high level in the range of 63-81 and can be interpreted that the level of dynamics of the group is at high criteria (already dynamic) or the management and members it's been going well.
Water quality analysis during tidal conditions using the Pollution Index Method in the Karang Mumus River, East Kalimantan Prasetyo, Wahyu Agus; Hamdhani, Hamdhani; Mustakim, Mohammad
Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) Vol. 4 No. 1 (2025): 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.v4i1.1166

Abstract

The Karang Mumus River, located in East Kalimantan, serves as an essential resource for the local community, supporting fisheries, trade, and household activities. However, these uses contribute to waste accumulation, potentially impacting the river's water quality. Tidal movements play a crucial role in water circulation, with the river's flow influenced by the Mahakam River’s tides, leading to backwater flow during high tide. This tidal phase affects the dispersion of pollutants. This study aims to assess the water quality, Pollution Index, and variations in water conditions between high and low tide in the Karang Mumus River. Sampling was conducted at three research stations: Station 1 (Gelatik Bridge), Station 2 (Perniagaan Bridge), and Station 3 (Selili Bridge) from September to November 2023. Water quality measurements were performed both in situ (on-site) and ex situ (at the Water Quality Laboratory, Faculty of Fisheries and Marine Science, Mulawarman University). The analysis follows Government Regulation (PP) No. 22 of 2021 on Environmental Protection and Management (Appendix VI). Results indicate that the DO and COD parameters only meet class III-IV water quality standards, while color, temperature, TDS, TSS, BOD, total phosphate, and nitrate comply with class I-IV standards. The Pollution Index (IP) assessment, based on class I-IV quality standards, categorizes the Karang Mumus River as meeting quality standards to lightly polluted, with an IP range of 0.53 - 2.90. According to Minister of Environment Decree No. 115 of 2003, water meeting quality standards has an IP of 0 < IP < 1.0, while lightly polluted water falls within 1 < IP < 5.
The potential of pineapple peel flour (Ananas comosus) in controlling Aeromonas hydrophila infection in sangkuriang catfish (Clarias gariepinus) Sari, Ita; Agustina, Agustina; Ricko Reynalta
Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) Vol. 4 No. 1 (2025): 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.v4i1.1252

Abstract

Hematological conditions can reflect the health status of fish. This study aimed to analyze the effect of adding different doses of pineapple peel flour to feed on clinical symptoms, anatomical pathology, survival rate, hematological parameters, and cellular immunity of Sangkuriang catfish after infection with Aeromonas hydrophila. The study was conducted using a Completely Randomized Design (CRD) with four treatments and three replications. The treatments consisted of feed supplemented with 0%, 10%, 20%, and 30% pineapple peel flour. The results showed that different doses of pineapple peel flour in feed had a significant effect (P<0.05) on anatomical pathology, survival rate, hematocrit levels, total erythrocytes, total leukocytes, and the percentage of lymphocytes, monocytes, and neutrophils in Sangkuriang catfish after A. hydrophila infection. The findings also indicated that the 20% dose of pineapple peel flour in feed was the most effective in controlling A. hydrophila infection.
Analysis of heavy metal content (Pb, Cu, Cd, and Fe) in the seagrass Thalassia hemprichii as a bioindicator of marine pollution in Tihi-Tihi Village, Bontang City, East Kalimantan Safira Nurullita; Jailani , Jailani; Hamdhani , Hamdhani
Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) Vol. 4 No. 1 (2025): 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.v4i1.1366

Abstract

The waters of Bontang City have relatively productive anthropogenic activities that trigger changes in the quality of surrounding waters that have the potential for pollution in the waters of the Bontang City area and there is a seagrass ecosystem that can be used as a natural indicator because it is sensitive to the presence of pollutants. To answer the problems found, this final project aims to determine the concentration levels of heavy metals (Pb, Cu, Cd, and Fe) contained in seagrass Thalassia hemprichii species in the waters of Tihi-Tihi Village. This study uses descriptive methods and location determination using the purposive sampling method and heavy metal analysis in water samples, sediments, and seagrass T. hemprichii analyzed using the AAS (Atomic Absorption Spectrophotometry) tool. The results showed that the waters of Tihi-Tihi Village had been contaminated with the heavy metal content of Pb, Cu, Cd, and Fe with different concentration levels, the metal content in water ranged from <0.001-0.098 mg/L, in sediment ranged from 2.64-1063.53 mg/kg and in seagrass ranged from 0.02-3468.08 mg/kg.

Page 7 of 8 | Total Record : 76

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