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Depik Jurnal
ISSN 2089-7790 · Universitas Syiah Kuala · 628 artikel di indeks
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Artikel Jurnal
Length-weight relationship, condition factor, and sex ratio of Penaeus indicus and Metapenaeus ensis from East Aceh waters
Overexploitation of marine resources poses a serious threat to the sustainability of shrimp populations in East Aceh waters, highlighting the need for effective management strategies to ensure their long-term viability. This study aimed to analyze the length–weight relationship, condition factor…
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Artikel Jurnal
Optimization of halal gelatin yield from the waste of ocean triggerfish (Chanthidermis maculata)
This study investigates the effects of skin-to-water ratio, extraction temperature, and extraction time on the gelatin yield from the skin of ocean triggerfish (Chanthidermis maculata), and optimizes the extraction conditions using the Response Surface Methodology (RSM) approach. The experimental…
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Artikel Jurnal
Some aspects of bioecology of fourfinger threadfin fish (Eleutheronema tetradactylum) in the coastal waters of Syiah Kuala, Banda Aceh
Eleutheronema tetradactylum is a protandric hermaphrodite and commercially important coastal species whose populations have declined due to overexploitation. Understanding its bioecological traits is crucial for sustainable management. This study investigated the feeding ecology, morphometric…
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Artikel Jurnal
Utilization of E-logbook in Mapping Skipjack Fishing Areas in the Southern Waters of Java
Inaccurate information on fishing grounds results in low efficiency of fishing operations. This study aims to map skipjack fishing zones accurately (in the southern waters of Java Island as case study) based on e-log book data (SST and chlorophyll-a) and the estimated productivity level of skipjack…
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Artikel Jurnal
Stocking density of nile tilapia (Oreochromis niloticus) reared in an aquaponic system with feed containing water hyacinth flour
Aquaponic technology is an aquaculture method using a combination of plants and fish, where fish feces provide nutrients for plants and plants act as filters to maintain water quality. This technology can be easy and practical to use, with advantages in terms of land use and limited water…
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Artikel Jurnal
Effects of synbiotic Lactobacillus bulgaricus-chitosan on whiteleg shrimp growth, haemocyte, and resistance
The addition of a synbiotic combining Lactobacillus bulgaricus (probiotic) and chitosan (prebiotic) to shrimp feed offers a potential strategy to enhance the resistance of whiteleg shrimp (Penaeus vannamei) to Vibrio parahaemolyticus. This study aimed to determine the optimal combination dose of…
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Artikel Jurnal
Resilience of troll line fishermen at Ujong Baroh, West Aceh Regency
This study analyzes the social conditions and household income structure of troll line fishermen at the Ujong Baroh Fish Landing Base (PPI), West Aceh Regency. The fishermen community exhibits strong social cohesion and adherence to local customs, with most individuals in the productive age group…
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Artikel Jurnal
Identification of handline fishermen catches at Lam Pageu Fish Landing Site (PPI), Aceh Besar
The waters of Lam Pageu Village, Peukan Bada Sub-district, Aceh Besar District, have considerable fisheries potential, where local fishermen predominantly use traditional handline fishing gear. However, studies on fish catch composition using this method remain limited. This study aimed to identify…
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Artikel Jurnal
Comparative analysis of saline tilapia (Oreochromis niloticus) farming in different types of silvofishery ponds
Saline tilapia (Oreochromis niloticus) is a valuable aquaculture species due to the ability to tolerate a wide range of salinities, making it suitable for brackish-water environments. As aquaculture intensifies to meet increasing protein demand, the development of sustainable production systems is…
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Artikel Jurnal
The effect of red seaweed substitution (Gracilaria sp.) and sugar concentration on the chemical and sensory characteristics of kombucha tea
Kombucha is a traditional fermented beverage known for its biological activities and health benefits. Typically, kombucha is produced from brewed tea fermented with a Symbiotic Culture of Bacteria and Yeast (SCOBY) starter, but other substrates such as Gracilaria sp. also hold potential for…
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Artikel Jurnal
Effectiveness of bait and blue LED lights as attractants for trap catches in Aceh Jaya Waters
The waters of Rigaih, Aceh Jaya, are an important habitat for economically valuable reef fish such as snapper (Lutjanidae) and grouper (Epinephelinae). Local fisheries currently rely on gillnets, trammel nets, and longlines, while traps have not yet been applied despite their potential as a more…
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Artikel Jurnal
Production function analysis of purse seine catches at kutaraja oceanic fishing port, Banda Aceh
The Ocean Fishing Port of Kutaraja is the largest marine fisheries hub in Banda Aceh and supports intensive purse seine operations. Despite the high level of fishing activity, empirical evidence regarding which production factors significantly determine catch performance remains limited, leading to…
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Artikel Jurnal
Exploitation rate and spawning potential ratio of blue swimming crab (Portunus pelagicus) in the coastal waters of Kebumen Regency, Central Java
The blue swimming crab (Portunus pelagicus) is an economically important fishery resource in Kebumen Regency and is increasingly exposed to fishing pressure. This study evaluated the exploitation rate and spawning potential ratio (SPR) of blue swimming crab landed at PPI Karangduwur during the west…
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Artikel Jurnal
Ex situ measurement of target strength of tongkol komo (Euthynnus affinis) using broadband echosounder
Target strength (TS) is an important parameter for estimating fish abundance in hydroacoustic surveys by quantifying the acoustic backscatter from individual fish. In this study, the TS of Euthynnus affinis was measured in an acoustic tank using a Simrad EK80 broadband echosounder operated at…
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Artikel Jurnal
Epibiotic protozoa infection on the white-leg shrimp Litopenaeus vannamei in the intensive ponds of West coast of Aceh, Indonesia
Parasite infestation of epibiotic protozoa is a significant obstacle in intensive shrimp farming due to the close association with declining water quality and the buildup of organic matter. Therefore, this research aims to analyze the intensity and prevalence of epibiotic parasites in whiteleg…
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Artikel Jurnal
Utilization of combinations of moringa leaf extract and agricultural fertilizer for the semi-mass culture of Nannochloropsis sp.
This study aims to understand the effect of horseradish leaf extract and agricultural fertilizer combination on the cell density of Nannochloropsis sp. in semi-mass culture and identify the optimal dose. The experiment used 5 treatments with combinations of Ammonium Sulfate (ZA), Triple Super…
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Artikel Jurnal
Phytochemical screening and antibacterial activity of rhizophora mucronata leaf Ethanolic Extract
Mangrove plants are recognized as prominent sources of bioactive compounds with broad-spectrum antimicrobial properties. Among them, Rhizophora mucronata has long been utilized in ethnomedicine; however, its pharmacological potential remains insufficiently explored through scientific investigation…
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Artikel Jurnal
Comparative study of mangrove diversity and canopy cover on the North and South Coasts of Nila Island, Central Maluku Regency
Nila Island is one of the small islands included in the volcanic archipelago located in the Banda Sea. The presence of mangroves on Nila Island plays a strategic role in maintaining the sustainability of coastal ecosystems. Mangrove ecosystems on Nila Island are found only in the island's northern…
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Artikel Jurnal
Coral cover monitoring in Pusong Island Marine conservation area, 2023–2024
Hard corals are organisms that live in symbiosis with zooxanthellae algae and form structures made of calcium carbonate (CaCO3). These coral animals are highly sensitive to environmental changes. This study aims to identify changes in coral cover within the Marine Protected Area (KKPD) of Pusong…
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Artikel Jurnal
Phytoremediation efficiency of water hyacinth (Eichhornia crassipes) for lead (Pb) removal in tilapia (Oreochromis niloticus) aquaculture systems
Lead (Pb) contamination threatens freshwater aquaculture sustainability and fish safety. This study evaluated the phytoremediation efficiency of water hyacinth (Eichhornia crassipes) in reducing Pb levels in tilapia (Oreochromis niloticus) aquaculture water under different plant biomass treatments…