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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 98 Documents
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Analysis of microplastic content in sediments of two garden ponds located in the Mulawarman University Campus Hamdhani, Hamdhani; Mangoting, Jelpratiwi; Ghitarina, Ghitarina
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.v4i1.1471

Abstract

Plastic waste is the type of waste that is most commonly found in our environment. Plastic waste that decomposes and degrades into smaller particles is called microplastic. Small-sized microplastics (<5 mm) can accumulate in water sediments and are difficult to decompose, making this material remain in the environment for a long time. This research aims to determine the microplastic content in the sediment of the main gate garden pond and FEB garden pond at Mulawarman University. This research was carried out for 3 months starting from determining the research location until microplastic analysis. The research location was determined by purposive sampling in 2 garden ponds with 5 stations in each pond. Analysis of microplastic content in sediment was carried out using a separation method based on specific gravity using NaCl solution. Microplastic identification was carried out using a stereo microscope (8-16x magnification). The results of this research show that the types of microplastics found were fiber, fragments and films with the dominant type of microplastic being fiber. The highest abundance of microplastics was found in the FEB garden pond at 4,350 particles/kg, while in the main gate garden pond, it was 3,800 particles/kg.
Identification of types and abundance of microplastics in coastal sediments of Tanjung Jumlai Beach, North Penajam Paser Regency, East Kalimantan Mayasari , Siti; Ghitarina , Ghitarina; 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.v4i1.1509

Abstract

The existence of microplastics is affected by the many activities in the community related to the use of plastic, as well as uncontrolled disposal of plastic waste so that plastic waste enters the waters through water flows and will degrade into smaller sizes.  This research aims to identify the type, abundance, and composition, as well as determine differences in abundance between types of microplastics in Tanjung Jumlai Beach sediments. Sampling was conducted by drawing a transect line 100 meters long, then dividing it into 5 lanes each measuring 20 meters. Each lane was subdivided into sub-transect boxes measuring 5×5 meters. Then, within each 5×5 meter sub-transect, 1×1 meter sub-transect boxes were created, making 25 sub-transect boxes of 1×1 meter in each 20-meter lane. From these, 5 boxes were selected using randomizer application. Sediment samples that have been processed were then identified using a microscope.  There were three types of microplastics found in Tanjung Jumlai beach, namely 65% fragments with an abundance of 10.340 particles/kg/m2, 19% fiber with an abundance of 2.960 particles/kg/m2, and 16% film with an abundance of 2.580 particles/kg/m2. There is a significant difference in abundance between fragment microplastics and film and fiber microplastics. There is no significant difference in abundance between film microplastics and fiber microplastics found on the coast of Tanjung Jumlai, Penajam Paser Utara Regency, East Kalimantan.
Study of shoreline changes using Landsat Satellite Imagery in Tanjung Tengah and Saloloang Villages, Penajam District Pepliani, Fera; Adnan, Adnan; Kusumaningrum , Widya
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.v4i1.1853

Abstract

The coastal areas of Tanjung Tengah and Saloloang sub-districts that used as ecotourism, this research needed to determine changes in the coastline at these locations. The study aims to determine the shift of the coastline along with the extent of abrasion and accretion for 15 years on the coast in Tanjung Tengah and Saloloang Villages, Penajam District, Penajam Paser Utara Regency. The study was conducted from October 2023 to November 2023. The method used is the Digital Shoreline Analysis System (DSAS) analysis using Landsat 7 ETM and Landsat 8 OLI satellite imagery obtained from the USGS site. The results of the study showed that during the period 2009 - 2023 along the coastal areas of Tanjung Tengah and Saloloang Villages, was greater accretion than abrasion, period 2009-2015 the coast experienced a shift towards the sea (Accretion) reaching 311.95 meters. Then experienced a retreat towards the land reaching 267.11 meters from the period 2015-2023. The total area of ​​the area experiencing accretion and abrasion respectively is 81.42 ha and 41.68 ha.
Water quality characteristics in the waters of Pangempang, Muara Badak, East Kalimantan Wisnuardi, Doa; Eryati, Ristiana; Suryana, Irma
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.v4i1.2063

Abstract

The Pangempang waters, located within the estuarine area of Muara Badak, have experienced continuous coastline changes due to annual erosion. Monitoring water conditions in this region is essential to evaluate environmental suitability and detect potential threats. This study examined the physical and chemical properties of the water, following the guidelines of Government Regulation No. 22 of 2021. Observations were conducted at five selected sites: a shrimp pond, a river area adjacent to the pond, the river mouth near mining activities, a tourist area on Pangempang Island, and the outer section of the island near the dock, representing the Pangempang waters. Overall, the results indicate that water quality remains within acceptable limits for marine biota. However, certain parameters, such as temperature, salinity, and nitrate levels, deviated from the established standards. These variations are influenced by weather conditions, location, and potential organic waste input from activities along the study area.
The relationship between salinity and pond area in the Mahakam Delta, East Kalimantan Rizal, Samsul; Hutabarat, Johannes; Anggoro, Sutrisno; Prayitno, Slamet Budi
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.v4i1.2523

Abstract

This study aims to analyze the relationship between salinity and the extent and type of mangrove vegetation in ponds within the Mahakam Delta, East Kalimantan. Sampling was conducted in ponds with different salinity levels: 0–10 ppt, 11–20 ppt, and 21–30 ppt, with each salinity category represented by 10 pond plots. Data analysis was performed using linear regression. The results showed a strong relationship between salinity variation and pond area, with an r-value of 0.630. The extent of pond expansion is related to the original mangrove type present in the pond area. This information can be used as a basis for determining suitable aquatic species for cultivation based on salinity levels. In other words, the selection of aquatic species for cultivation can be adjusted according to the appropriate pond area. Further research is needed to determine whether other factors influence the relationship between salinity levels and pond area in the Mahakam Delta region.
Analysis of the impact of Tilapia Aquaculture Village Development (Oreochromis niloticus) on the welfare of fish farmers in Ponoragan Village, Loa Kulu District, Kutai Kartanegara Regency Yolanda, Margaretha; Syafril, Muhammad; Sulistianto, Erwan
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.v4i1.2555

Abstract

This study aims to analyze the impact before and after the implementation of Ministerial Regulation of Marine Affairs and Fisheries (Permen-KP) No. 16 of 2022 on the Tilapia Aquaculture Village in Ponoragan Village on household income, employment absorption, and to identify the main challenges faced by fish farmers. The sampling method used was purposive sampling, with a total of 30 tilapia farmers as respondents and two key informants. The data were analyzed using income analysis, average income difference analysis with a T-test, and labor absorption analysis. The study results show that the average income of tilapia farmers before the implementation of the aquaculture village policy was IDR 120,569,272 per month, increasing to IDR 606,954,928 per month after implementation. This indicates a rise in the average income of fish farmers by IDR 486,385,656 following the policy's implementation. The implementation of the aquaculture village policy also had an impact on labor absorption, both from within and outside the family. Before the policy was implemented, the percentage of labor from within the family was 0.01228 percent, increasing to 0.01283 percent after implementation. Meanwhile, the percentage of labor absorption from outside the family increased from 0.01283 percent to 0.01897 percent. This increase reflects the additional workforce employed, both from within and outside the family, in response to increased production, income, and the farmers' commitment to involving the surrounding community. The main challenges faced by tilapia farmers include extreme weather conditions that often cause harvest failures, river water intrusion into ponds, which increases water volume and leads to fish escaping, and the use of pesticides by farmers to control fish pests and predators. These findings illustrate that the aquaculture village policy has great potential to improve farmers' welfare, but it must be accompanied by mitigation efforts to address existing challenges.
Diversity of aquatic insects on the leaf litter of water lettuce (Pistia stratiotes L.) in an experimental fishpond Hamdhani, Hamdhani; Fadhilla, Febby Nur; Eryati, Ristiana
Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) Vol. 3 No. 2 (2024): 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.v3i2.675

Abstract

Aquatic insects play a crucial role in ecological systems because they are sensitive to environmental changes, indicating whether an environment is healthy or polluted. The vast biodiversity in morphology, physiology, and adaptive behavior among insect species on Earth has led to numerous scientific studies using insects as models. Population dynamics studies, for instance, often rely on the evolution of insect populations. The objective of this research is to explore the types of aquatic insects present, as well as their diversity, evenness, and dominance levels. The study found 4 orders and 4 families totaling 180 individuals on the leaf litter of water lettuce. The diversity index of aquatic insects on the water lettuce leaf litter was categorized as low. The evenness index was categorized as small. The dominance index ranged from low to moderate to high categories.
Performance evaluation of fisheries extension officers (Case study of civil servant fishery extension workers in Kutai Kartanegara District) Putra, Fandi Eka; Saleha , Qoriah; Sugiharto, Eko
Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) Vol. 3 No. 2 (2024): 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.v3i2.683

Abstract

The purpose of this study was to assess the implementation of the performance of fishery instructors in Kutai Kartanegara Regency based on 14 extension indicators in carrying out the duties and functions of fishery instructors (Decree Number: 192/KEP-BRSDM/2020). This type of research is a type of descriptive statistical research. The research method used is the census method. The population in this study were 4 Civil Servant Fisheries Extension Workers in Kutai Kartanegara Regency. The selection of the sample was by census, meaning that the four fisheries extension officers were sampled. The results of the evaluation of the performance of civil servant fisheries extension officers in Kutai Kartanegara Regency based on Decree Number: 192/KEP-BRSDM/2020 cumulatively are in the high category with a score of 80.5 which is between 70.02-90.00. This value can be interpreted that the performance of civil servant extension officers in Kutai Kartanegara Regency has been carried out well, although not optimal.
Analysis of amplang business in Babulu Laut Village, Babulu District, North Penajam Paser Regency Qur'ain, Siti Paturahmah; Haqiqiansyah , Gusti; Oktawati, Nurul Ovia
Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) Vol. 3 No. 2 (2024): 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.v3i2.723

Abstract

Amplang processing in Babulu Laut Village uses milkfish basic ingredients. This study aims at the amount of costs incurred during the production process, receipts and income from the amplang business in Babulu Laut Village, by sampling using the census method, where the population is amplang processors in Babulu Laut Village. Amplang business in Babulu Laut Village, Babulu District Incurred investment costs of Rp. 9,483,000 with depreciation of Rp. 125,051 / month, irregular costs during production of Rp. 931,280 and in a month amounted to Rp. 6,204,490, so as to obtain total costs incurred of Rp. 6,329,541/month. Revenue is Rp. 86,950,000 month with an average of Rp. 12,421,429/month. income of Rp. 42,643,216/month with an average of Rp. 6,091,888/month.
Analysis of fish farming business in floating cages in Jembayan Village, Kutai Kartanegara Regency Pratama, Muhammad Yoga; Susilo , Heru; Darmansyah, Oon
Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) Vol. 3 No. 2 (2024): 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.v3i2.724

Abstract

Cage cultivation is one of the cultivation techniques that is widely practiced by people who live around the river, because cage cultivation is easy and effective to do. The description of the people in Jembayan Village who have fish cultivation in cages is quite a lot and as a source of livelihood because the resulting production is very clear to meet the needs of the people in Jembayan Village. Based on this, this study aims to determine the amount of costs, profits and business feasibility with RCR and Payback Period criteria from fish farming in cages in Jembayan Village, Kutai Kartanegara Regency. The methods used in this research are simple random sampling, analysis of production costs and profits and analysis of business feasibility. The amount of costs used in the tilapia and goldfish cultivation business amounted to Rp143,442,967, - while the amount of revenue obtained by the cultivator was Rp 260,226,000, - Thus, the total profit obtained from all cultivators was Rp 116,783,033. The total R/C Ratio value of 2 and payback period of 3 means that every rupiah of total costs incurred for the tilapia aquaculture business will generate total revenue of Rp 2,000,000, - with a payback period of investment costs of 3 years or 36 months.

Page 8 of 10 | Total Record : 98

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