cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
-
Contact Email
-
Phone
-
Journal Mail Official
-
Editorial Address
-
Location
Kab. sleman,
Daerah istimewa yogyakarta
INDONESIA
Jurnal Perikanan Universitas Gadjah Mada
Published by Universitas Gadjah Mada
ISSN : 08536384     EISSN : 25025066     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
Jurnal Perikanan Universitas Gadjah Mada are published to promote a critical review of the various investigative issues of interest in the field of fisheries between the researchers, academics, students and the general public, as a medium for communication, dissemination, and utilization of wider scientific activities.
Arjuna Subject : -
Articles 477 Documents
 44   45   46   47   48 
Navigating the Waters of Authority: Civil-Military Relations in the Securitization of Coastal and Fisheries Resources in Cilacap Regency Haposan Simatupang; Margaretha Hanita; Mukti Aprian; Akhmad Nurhijayat
Jurnal Perikanan UGM (Journal of Fisheries Sciences) Vol 28, No 1 (2026)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.118940

Abstract

This study aims to understand how complex coastal and fisheries systems can function effectively and achieve adequate system resilience. It examines a coastal region in Indonesia (Cilacap Regency) the only coastal area in the country characterized by overlapping civilian and military authority and a history of conflict. By integrating a social-ecological systems approach with the context of civil-military relations, this study identifies key variables shaping coastal and fisheries resource governance. These variables are subsequently used to determine the primary drivers of coastal and fisheries resilience, develop a coastal city resilience model, and formulate policy recommendations for government and resource management actors. Methodologically, the study employs Social Network Analysis (SNA) to identify and map key variables and uses Qualitative Network Modelling and Simulation (QNMS) to evaluate different governance configurations in terms of economic stability and overall system resilience. The findings reveal a clear trade-off: military-dominated governance enhances short-term law enforcement effectiveness, particularly in suppressing illegal fishing practices, but undermines inter-agency coordination, actor trust, and the role of non-state actors. In contrast, collaborative and civilian-led governance scenarios yield more balanced and stable outcomes across ecological, economic, and social dimensions. These findings contribute to the collaborative governance literature by demonstrating that sustainable fisheries governance depends on positioning the military proportionally as a supporting rather than dominant actor, as well as on integrating enforcement capacity with participatory mechanisms to strengthen long-term social-ecological resilience.
The Influence of Pb Levels in Water on Histopathology of Gills and Kidneys of Hemibagrus nemurus (Valenciennes, 1840) in Siak River, Pekanbaru, Riau Yusfiati Yusfiati; Sri Handayani Putri; Ulan Prameswari
Jurnal Perikanan UGM (Journal of Fisheries Sciences) Vol 27, No 2 (2025)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.106986

Abstract

Waste metals from the Siak River in Indonesia's Riau Province can enter fish organs and change their structure and metabolic functions. This study looks for heavy metal concentrations in the water and structural organ alterations of Hemibagrus nemurus (Valenciennes, 1840). Fish and river water samples were collected at sites 1 (Limah Puluh district) and 2 (Rumbai Pesisir district). The Atomic Absorption Spectrophotometry (AAS) method tests kidney and gill Pb samples. Siak River Pb readings in locations 1 and 2 were 0.113 mg/L and 0.072 mg/L in January 2024 and 0.105 and 0.128 mg/L in October. Gill and kidney Pb were 0.0132 and 0.2726 mg/kg. Fish kidneys were reddish-black at two sites, while gills were bright red at site one and dark red at site two. In all samples, edema, fusion, hyperplasia, telangiectasis, and epithelial lifting indicate fish gill tissue injury. Kidney tissue abnormalities also indicate injury. It is concluded that Pb levels in the Siak River exceeded the permissible limit in 2024, resulting in edema, necrosis, degeneration, and damage to the kidneys and gills of fish. The ecosystem of the river may be harmed by elevated Pb levels in the water, which have also injured fish organs.
Biodiversity of Aquatic Resources in Lantebung Mangrove Ecotourism Area, Makassar Asrul Muslim; Wayan Kantun; Nursyahran Nursyahran
Jurnal Perikanan UGM (Journal of Fisheries Sciences) Vol 28, No 1 (2026)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.117980

Abstract

Biodiversity is greatly influenced by environmental conditions, so changes in these conditions have the potential to threaten the existence of aquatic resources. This study aims to analyze the biodiversity of aquatic resources in the Lantebung mangrove ecotourism area. The research used a descriptive quantitative model approach and was conducted from October to November 2023 in the Lantebung mangrove ecotourism area, Makassar. The results showed that the number of fish identified was 9.985 individuals from 29 species and 19 families. Based on this number, Short silverbelly (Gerresabbreviatus) was identified as having the highest number of 3.904 individuals. Meanwhile, at the family level, Leiognathidae was the most dominant, with a total of 4.688 individuals. The species diversity index (H') is 1.7 with a moderate category, the species evenness index (E) is 0.5 with moderate criteria or a labile community, while the species dominance index (C) is 0.24 with low dominance criteria.
Effectiveness of Anorganic Fertilizers in Enhancing Chlorella sp. Productivity on a Laboratory Scale Iskandar Iskandar; Niken Tunung Murti Pratiwi; Majariana Krisanti; Inna Puspa Ayu
Jurnal Perikanan UGM (Journal of Fisheries Sciences) Vol 28, No 1 (2026)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.118251

Abstract

Microalgae are photosynthetic microorganisms that serve as primary producers in aquatic ecosystems and have the potential to be developed as a source of economically valuable biomass. One of the most widely cultivated microalgae is Chlorella sp. because of its rapid growth and high nutritional content. The availability of balanced nutrients in the culture medium strongly influences the successful cultivation of Chlorella sp. This study aimed to determine the effectiveness of urea, ZA, and TSP technical fertilizers at an N:P ratio of 7.2:1 in supporting Chlorella sp. productivity at the laboratory scale. The study was conducted using a Completely Randomized Design with repeated observations over time, comprising one control treatment with Dahril solution medium and five technical fertilizer combination treatments at different concentrations. The results showed that the highest cell abundance was obtained in the control treatment (K), reaching 12.54 × 10⁶ cells/mL, with a specific growth rate of 0.355 d⁻¹ and an absorbance value of 1.289. Among the technical fertilizer treatments, treatment four (P4), consisting of 203.76 mg/L ZA, 92.76 mg/L urea, and 27.48 mg/L TSP, produced the highest cell abundance, reaching 11.28 × 10⁶ cells/mL, with a specific growth rate of 0.339 d⁻¹ and an absorbance value of 1.207. The relationship between cell abundance and absorbance showed a very strong correlation, with a coefficient of determination (R²) of 0.9678. These results indicate that the combination of urea, ZA, and TSP technical fertilizers at an N:P ratio of 7.2:1, particularly in treatment P4, has the potential to serve as an alternative nutrient medium to support Chlorella sp. productivity.
Integration of Business Model Canvas with the Value Added of Fish Chips in Depok Naila Zhafira Hidayat; Ine Maulina; Irfan Zidni; Iwang Gumilar
Jurnal Perikanan UGM (Journal of Fisheries Sciences) Vol 28, No 1 (2026)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.119119

Abstract

The fisheries processing sector still faces challenges in increasing the added value and competitiveness of fishery products, particularly in modern fishery-based Micro, Small, and Medium Enterprises (MSMEs). This study aimed to analyze the Business Model Canvas (BMC) and the added value of fish chips processing at Generasi Restu Ibu MSMEs in Depok City. The research employed a case study method with a quantitative descriptive approach. Data was collected through observation, interviews, questionnaires, and documentation, while value-added analysis was conducted using the Hayami method. The results showed that 175 kg of tilapia surimi produced 255 kg of fish chips with a conversion factor of 1.46. The processing activity generated an added value of IDR 365,480.34/kg with a value-added ratio of 85.11%, categorized as high added value, and generated a profit of IDR 364,600.34/kg. In conclusion, fish chips processing is economically feasible and has strong potential to be developed as a modern fish-based processed product.
Biofloc Formation Performance in Seawater Using Different Carbon Sources As Initial Media for Fish Culture Okto Rimandi Bakkara; Rika Wulandari; Daniel Sinaga; Muzahar Muzahar; Dwi Septiani Putri; Shavika Miranti; Jannesa Nasmi; Henky Irawan; Tri Yulianto; Tito Aria Nugraha; Veryl Hasan
Jurnal Perikanan UGM (Journal of Fisheries Sciences) Vol 28, No 1 (2026)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.119255

Abstract

Biofloc technology has become a promising approach for maintaining water quality in intensive seawater aquaculture through the activity of heterotrophic microorganisms. This study aimed to evaluate the performance of the biofloc formation in seawater culture media using different carbon sources without starter inoculation. This study evaluated biofloc formation in seawater culture media using different carbon sources, namely molasses (control), wheat flour, rice flour, and tapioca flour. A completely randomized design with four treatments and three replications was employed. The research method employed a completely randomized design (CRD) with four treatments and three replications. The observed parameters included biofloc volume (Imhoff cone), absorbance value (optical density), plankton composition, and bacterial characteristics through isolation and Gram staining. The results showed that statistically, different carbon sources had no significant effect on biofloc volume (p > 0.05). However, descriptively, differences in performance among treatments were observed. The rice flour treatment exhibited the highest biofloc volume and absorbance value, indicating higher and more stable microbial biomass density, while tapioca flour showed the lowest performance. Microbiological analysis revealed the presence of Gram-negative heterotrophic bacteria, Gram-positive bacteria, and plankton communities consisting of phytoplankton, protozoa, and rotifers, indicating that the biofloc system had developed into a complex microecosystem. In conclusion, the type of carbon source influences the dynamics of biofloc formation, with rice flour recommended as the optimal carbon source to support biofloc system stability.
Detection and Genetic Relationship Analysis of Wenzhou Shrimp Virus 8 (WzSV8) Infecting the Whiteleg Shrimp (Litopenaeus vannamei) Syahlaa Hanuun Dhiyanabiila; Maftuch Maftuch; Andi Kurniawan; Bambang Hanggono; Kathy Feng-Ju Tang
Jurnal Perikanan UGM (Journal of Fisheries Sciences) Vol 28, No 1 (2026)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.120711

Abstract

Wenzhou shrimp virus 8 (WzSV8) is a newly identified RNA virus that has been increasingly reported to infect vanamei shrimp (Litopenaeus vannamei) in various countries. This study aimed to detect the presence of WzSV8 and analyze the genetic relationships among viral isolates using molecular approaches. Hepatopancreas samples from clinically symptomatic vanamei shrimp were collected from aquaculture ponds and analyzed using RT-PCR and nested PCR targeting the RNA-dependent RNA polymerase (RdRp) gene. The amplification products were subsequently sequenced using the Sanger method and analyzed phylogenetically using the Maximum Likelihood model with the Kimura 2-parameter and Gamma distribution (K2+G). The results showed that all positive samples produced a 168-bp DNA band in the nested PCR stage. BLAST analysis confirmed high nucleotide identity with the WzSV8 isolate from GenBank. Phylogenetic reconstruction indicated that the Indonesian isolates were closely related to isolates from China and India and formed several distinct genetic clusters. These results indicate a high degree of genetic conservation in the WzSV8 RdRp gene and suggest the possibility of viral spread through global shrimp trade and aquaculture activities. 

Page 48 of 48 | Total Record : 477

 44   45   46   47   48 

Filter by Year

1996 2026


Reset
Filter By Issues
All Issue Vol 28, No 1 (2026) Vol 27, No 2 (2025) Vol 27, No 1 (2025) Vol 26, No 2 (2024) Vol 26, No 1 (2024) Vol 25, No 2 (2023) Vol 25, No 1 (2023) Vol 24, No 2 (2022) Vol 24, No 1 (2022) Vol 23, No 2 (2021) Vol 23, No 1 (2021) Vol 22, No 2 (2020) Vol 22, No 1 (2020) Vol 21, No 2 (2019) Vol 21, No 1 (2019) Vol 20, No 2 (2018) Vol 20, No 1 (2018) Vol 19, No 2 (2017) Vol 19, No 1 (2017) Vol 18, No 2 (2016) Vol 18, No 1 (2016) Vol 17, No 2 (2015) Vol 17, No 1 (2015) Vol 16, No 2 (2014) Vol 16, No 1 (2014) Vol 15, No 2 (2013) Vol 15, No 1 (2013) Vol 14, No 2 (2012) Vol 14, No 1 (2012) Vol 13, No 2 (2011) Vol 13, No 1 (2011) Vol 12, No 2 (2010) Vol 12, No 1 (2010) Vol 11, No 2 (2009) Vol 11, No 1 (2009) Vol 10, No 2 (2008) Vol 10, No 1 (2008) Vol 9, No 2 (2007) Vol 9, No 1 (2007) Vol 8, No 2 (2006) Vol 8, No 1 (2006) Vol 7, No 2 (2005) Vol 7, No 1 (2005) Vol 6, No 2 (2004) Vol 6, No 1 (2004) Vol 5, No 2 (2003) Vol 5, No 1 (2003) Vol 4, No 2 (2002) Vol 4, No 1 (2002) Vol 3, No 1 (2001) Vol 1, No 1 (1996) More Issue