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Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan

depik
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Published by Universitas Syiah Kuala

ISSN : 20897790 EISSN : 25026194 DOI : 10.13170/depik

Core Subject : Science, Education, Engineering,

Earth & Planetary Sciences Education Engineering

Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan is a peer review international journal, this journal is publishing high-quality articles in aquatic sciences and fisheries in general. The aim of the journal is to publish and disseminate the current or new findings of the research, and give a significant contribution to the development of fisheries and aquatic sciences in several topics, but not limited to: Fisheries (Aquaculture, Capture Fisheries, Fish Processing) Aquatic Ecology (Freshwater, Marine, and Brackishwater) Aquatic Biology (Fish, Mollusk, Crustacean, Plankton, Coral reefs) Oceanography

Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Oseanografi

Articles 48 Documents

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Search results for , issue "Vol 11, No 3 (2022): DECEMBER 2022" : 48 Documents clear

Detection parasites of Indian Mackerel (Rastrelliger kanagurta) in North Sumatera, Indonesia Eri Yusni; Luvi Syafrida Handayani
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

The purpose of this study was to identify ectoparasites and their prevalence infecting Rastrelliger kanagurta in North Sumatera, Medan. So far, people use this fish as a processed product. The method used in this study is a survey method with direct collection at the research site. Samples were taken using random sampling technique. Sampling was carried out in five places in Belawan with the number of samples studied as many as 30 individuals with an average length of 25.3 cm and a weight of 193.7 grams. Identification was carried out in a laboratory using a light microscope at the Faculty of Agriculture, University of North Sumatra. The results of this study found seven types of parasites that infect the surface in the muscles, fins and gills. The parasites found in their respective prevalence were infected Dactylogyrus sp. 13.33% was found in muscus, Austrobdella sp. 30% found in fin. While the parasites found in the gills were Zoothamnium sp as much as 6.67%, Diphyllobothrium sp as much as 16.67%, Rhadinorynchus sp. 53.33%, Camallanus sp. 20% and Anisakis sp. 3.33%. Rhadinorynchus sp. is the parasite with the highest prevalence rate, found on the scales, gills and fins respectively of mackerel.

Reducing ammonia levels in catfish cultivation water using several aquatic plants Mustaqim Mustaqim; Mutasar Mustasar; Yusrizal Akmal; Mida Wahyuni; T. Irfan Fajri; Zaitun Ritaqwin
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Catfish farming is one of the businesses that is very much in demand by the community, because it can improve the community's economy. However, not all catfish farming businesses can produce maximum results. This can be caused by several factors, both from feed, management and water quality. Decrease in water quality can be caused by feces and fish feed residue. Poor water quality can cause the growth process, physiology and level of fish behavior to be disturbed. Efforts that can be done is to use aquatic plants as phytoremediation. The plants used in this study were Azolla sp, Eichhornia crassipes, Lemna sp, Ipomoea aquatic. The design used in this study was a completely randomized design with 4 treatments and 3 replications. The parameters observed in this study were ammonia levels, pH, and plant population. The results showed that Eichhornia crassipes and Lemna sp were able to reduce ammonia levels in catfish cultured water by 0.01 mg/l at the end of the study.Keywords:AmmoniaWater plantsCatfish

Performance analysis of catch fisheries in Sabang Waters Salmarika Salmarika; Imam Shadiqin; Muhammad Irham; Imelda Agustina; Rosi Rahayu; Ratna Mutia Aprilla; Alvi Rahmah
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Sabang waters is one of the centers of capture fisheries production at the tip of the Sumatera Island which has a large potential of fish resources. However, information related to the performance of capture fisheries including fish production, fishing gear, fishing fleet, number of fishermen and fishing areas is still limited. This study aims to analyse and describe information related to capture fisheries performances in the waters of Sabang. Performance data were analysed descriptive quantitatively and obtained by survey method. The results showed that the trend of capture fisheries production tends to increase by 15% annually and catches are dominated by large pelagic fish, namely tuna (Thunnus sp). The type of fishery business is dominated by fishermen who operate vessels measuring 0 - 5 GT (57.9%) with fishing areas between the coast to 2 nautical miles. Fishermen in Sabang Waters are categorized as small businesses. because use small boats and using handlines as fishing gear that aim to meet daily needs, not for business scale.Keywords:Fish productionFishing gearFishing fleetFishing groundCapture fisheries

The effect of cryoprotectant on the viability and motility of goldfish Carassius aurtus sperm after 48 hours refrigerated Nurlaili Nurlaili; Itsnatani Salma; Kartini Eriani; Siti Maulida; Zainal Abidin Muchlisin
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

The principle of sperm preservation is to prolong the viability of spermatozoa by reducing the degree of metabolism during storage at low temperatures, and one method involved was a cryoprotectant as a sperm protector. This study aimed to determine the best type of cryoprotectant for refrigeration storage of goldfish Carrasius auratus sperm. A completely randomized design was used, and five types of cryoprotectant were tested, namely Methanol, Ethanol, Ethylene Glycol, Glycerol, and DMSO at a 10% concentration combined with 15% egg yolks. The sperm was diluted with Ringer’s solution and stored at 4⁰C for 48 hours. The ANOVA test revealed that cryoprotectant significantly affected the motility and viability of sperm after 48 hours of refrigeration (P0.05). The results showed that 10% DMSO combined with 15% egg yolk could maintain sperm motility and viability better than other treatments, with values of 85.80% and 86.50%, respectively, which were significantly different from the other treatments. Glycerol produced the second-best sperm quality with motility and viability values of 71.13% and 74.13%, respectively. Therefore, DMSO is the most effective cryoprotectant for refrigeration storage of goldfish sperm.

Relationship of ENSO (El Niño – Southernoscillation ) and monsoon index on variability of rainfall and sea surface height in coastal City Semarang, Central Java Rosyidah Rosyidah; Kunarso Kunarso; Elis Indrayanti
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

The city of Semarang is one of the coastal areas in Indonesia that is prone to flooding. Flood events that often occur in the Semarang City area can be triggered by high rainfall. Variations in rainfall and sea level are closely related to global atmospheric circulation such as ENSO and regional atmospheric circulation, Monsoon. This study aims to examine the relationship between ENSO and Monsoon with the distribution of rainfall and sea level in coastal city Semarang from 2012 to 2021. Correlation and composite analysis were used to analyze the relationship and impact of ENSO and Monsoon phenomena on rainfall and sea level. The results showed the strong correlation of the ENSO index (Southern Oscillation Index) to rainfall in the JJA and SON periods. Generally, El Niño (La Niña) has an impact on increasing (decreasing) rainfall. Meanwhile, Australian Summer Monsoon Index (AUSMI) only strongly correlates with rainfall in the SON period. The westerly (eastern) wind indicated by a positive (negative) monsoon index in the SON period has the effect of increasing (reducing) rainfall. The ENSO phenomenon with sea level during the JJA period has a strong relationship. In JJA, the highest sea level (maximum tide) rises by 12.6 cm during El Niño and decreases by 0.6 cm during La Niña. Meanwhile, the lowest sea level (minimum low tide) decreased by 16.6 cm during El Niño and increased by 0.7 cm during La Niña. These results can explain the influence of global and regional atmospheric circulation on a local scale on the coast of Semarang City.Keywords:RainfallSea levelEl NiñoLa NiñaMonsoon

Performance of intensive vannamei (Litopenaeus vannamei) culture at low salinity Annisa Bias Cahyanurani; Mochammad Heri Edy
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Intensive aquaculture systems that are not managed properly often cause problems that disrupt the balance of the environment so that shrimp are susceptible to disease. One of the aquaculture innovations that have been developed to minimize disease impact is shrimp farming with low salinity. This study aims to determine the performance of intensive Litopenaeus vannamei shrimp culture with low salinity. This study used quantitative descriptive analysis with a purposive sampling technique in three ponds for three maintenance cycles. The result of the study on three cycles of vannamei shrimp culture with low salinity overall found that productivity ranged from 2.35 to 3.69 kg/m2. ADG values in aquaculture ponds ranged from 0.26 – 0.36 g/day. The survival rate ranged from 61% to 98%, and the feed conversion ratio ranged from 1.01 to 1.62. The survival rate tends to increase, and FCR value tends to decrease in 3 cycles of cultivation. Water quality including temperature, dissolved oxygen, pH, phosphate, ammonia, and TOM indicate the optimal range based on water quality standards for intensive vannamei shrimp culture (SNI 01-7246-2006). At the same time, nitrite and alkalinity exceed the SNI standard but this nitrite and alkalinity level could still be tolerated by vannamei shrimp during the rearing period. Overall, water quality during the rearing period can still support the growth of vannamei shrimp. The above result showed that vannamei shrimp culture at low salinity (6-8 mg L-1) has the potential to be developed.Keywords:Intensive culture Litopenaeus vannamei Low salinityProductivity

Description scleractinian coral from Miang Island, East Kalimantan Rosdianto Rosdianto; Sayyid Afdhal El Rahimi; Adrian Kryk; Sulastri Arsad; Oktiyas Muzaky Luthfi; M Azurea Bahri Luthfi
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

The exact number of coral species in Indonesia is not unclear yet, in 2002 the coral taxonomist, JEN Veron, stated 590 species, and it was supported by an Indonesian coral taxonomist, Suharsono, eight years later. The current coral species data is 605 but it is from Coral Triangle Region area (CT). The eastern of Indonesia, which is located in the Coral Triangle Region, has received a lot of attention from coral researchers, due to coral species that have been described. On the other hand, the coral reef from the western part of Indonesia, including in the East Kalimantan, has not been explored much in recent times. Through the ecoregion view, E. Kalimantan region is clustered into ecoregion 43 (Sulu Sea) which has 540 coral species. Miang Island is one of the inhabited islands from E. Kalimantan, and has an unexplored coral reef ecosystem. The method had been used in this research is descriptive, which uses photos of live corals to describe colony characteristics corals. The results of the study have described 36 species of coral and several invertebrates that make up coral reefs on Miang Island.Keywords:Hard coralAcroporaPoritesIdentificationPulau Miang

Study on shipyard location and model development Thaib Rizwan; Husaini Husaini; Husni Husin; Akhyar Akhyar
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

The shipyard location and model highly influence shipyard industry development. This study aims to assess the location feasibility and determine the shipyard model suitable for shipyard industry development in Kutaraja Fishing Port. The study was conducted in Kutaraja Fishing Port. AHP method was used to determine the location and model, then analyzed using the Expert Choice v11 software. The data were collected using questionnaire interviews and further allocated the value using paired comparison scale table. The result shows that the shipyard industry is feasible to be developed in an area where land parameters adjacent to the waters have a maximum value of 37.3% compared with the five other parameters. The suitable shipyard model to be developed in Kutaraja Fishing Port is the slipway type with a value of 46.1%.Keywords:LocationModelShipyard

The addition of papaya seed flour (Carica papaya) to the growth of ‘Cantang’ hybrid grouper fish (Epinephelus fuscoguttatus >< Epinephelus lanceolatus) Muhammad Bahrus Syakirin; Linayati Linayati; Tri Yusufi Mardiana; Sisca Yuniarty; Muhammad Zulkham Yahya
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

This research was carried out to examine the effects of papaya seed flour at different doses on the growth of hybrid groupers and to determine the most optimal dose of papaya seed flour on fish growth. A complete randomized design with 4 treatments and 3 replications was used, which treatments consisted of: treatment A Without papaya seed flour (Control), treatment B with 2.5 grams/kg of papaya seed flour, treatment C with 5 grams of papaya seed flour per kg feed, and treatment D of 7.5 grams papaya seed flour/kg feed. Treatment C was found the most optimal treatment, resulting in an absolute biomass value of 26.97 grams and feed conversion ratio of 1.19. Analysis of variance (ANOVA) of the absolute biomass development of the hybrid grouper obtained an F count of 41.3892 higher than F table of 5%, indicating significant effects on the fish growth. The water quality was set at an ideal level, with temperature ranging between 28-29 0C, pH between 7.0-7.5 and salinity between 30-33 ppt.Keywords:Hybrid groupersPapaya seed flourGrowth

Plankton potential as bioindicator of trophic status of Lokop River Leuser Ecosystem Andri Yusman Persada; Suri Purnama Febri; Kartika Aprilia Putri; Herlina Putri Endah Sari; Rianjuanda Djamani
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Lokop is one of the villages in East Aceh which has a watershed in the Leuser Ecosystem. Human activities have the potential to disrupt the Trophic Status of Lokop River, such as the use of pesticides for agriculture, household waste and the use of potassium for fishing. It is necessary to research the quality of the waters in the Lokop River. The plankton community present in river waters can be an indicator of environmental pollution by analyzing the saprobic index. This study aims to determine the index of plankton diversity and water quality in the Leuser Ecosystem of the Lokop River through the saprobic index. The research was conducted at three stations. A sampling of plankton was taken in the form of a 10 cc filtrate and five replications were carried out for each study site. Water quality measurements include pH, TDS, Temperature, transparancy, depth, and current. 11 potential species can be used as pollution indicators in the Lokop River, namely Cladophora sp, Diatoma elongatum, Fragilaria capucina, Oedogonium sp., Gonatozygon sp, Lyngbya agardh, Melosira sp., Merismopedia punctata, Microspora sp, Pinnularia sp, Synedra ulna. The plankton diversity index is in the medium category. Based on the Saprobic Index, the level of pollution at the research site was not to lightly loaded of organic pollution and lowly loaded of organic pollution.Keywords:IsoprobikPlanktonBioindicatorLokop

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Ichsan Setiawan

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Faculty of Marine and Fisheries Universitas Syiah Kuala Jalan Meureubo No. 1, Kopelma Darussalam Banda Aceh, 23111, Indonesia

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Aceh

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Ichsan Setiawan

Contact Email ichsansetiawan@usk.ac.id

Phone +6285220189228

Journal Mail Official depik@usk.ac.id

Editorial Address Faculty of Marine and Fisheries Universitas Syiah Kuala Jalan Meureubo No. 1, Kopelma Darussalam Banda Aceh, 23111, Indonesia

Location Kab. aceh besar, Aceh INDONESIA

Abstract

Abstract

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Abstract

Abstract

Abstract

Contact Name
Ichsan Setiawan

Contact Email
ichsansetiawan@usk.ac.id

Phone
+6285220189228

Journal Mail Official
depik@usk.ac.id

Editorial Address
Faculty of Marine and Fisheries Universitas Syiah Kuala Jalan Meureubo No. 1, Kopelma Darussalam Banda Aceh, 23111, Indonesia

Location
Kab. aceh besar,

Aceh

INDONESIA