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Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan
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 944 Documents
 79   80   81   82   83 
Community structure of bivalve on seagrass ecosystems in the West Bali National Park area Suryani, Sang Ayu Made Putri; Ambaranatha, I Wayan Mega; Darmadi, Ni Made
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 13, No 1 (2024): APRIL 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.1.33903

Abstract

The waters of Taman Nasional Bali Barat are one of the waters that have abundant diversity of marine ecosystems. Seagrass is an ecosystem that has many benefits for organisms that live in it, one of which is bivalves. Bivalves can be used as jewelry, food sources, and are often used as bioindicators of pollution. Seagrass and bivalves have the same characteristics related to the type of substrate that serve as habitat and need each other in both growth and reproduction processes. This study aims to determine the condition of seagrass cover, the abundance and diversity of bivalves, and the relationship between seagrass cover and bivalves density. This research was conducted at 3 stations, namely Karang Sewu, Terima Bay, and Labuhan Lalang in August 2020. This research was conducted using survey method and sampling technique using a purposive sampling method. To determine the relationship between seagrass cover and bivalves density using a linear regression test. The results showed that the seagrass cover at the three stations was 31.04%, 50.46%, and 50.68%. Bivalves density in Karang Sewu Bay was 29.8% Aomalodiscus squamosus, Terima Bay with 50% Pinna bicolor, and Labuhan Lalang with 30.4% Trachycardium flavum and Pinna bicolor. Based on the linear regression test, it showed a significant value 0.5 which means that there is the relationship between seagrass cover and the density of bivalves found in the waters of Taman Nasional Bali Barat.Keywords:seagrassbivalvesdensityecosystemcommunity structure
Microplastics in sediment of Indonesia waters : A systematic review of occurrence, monitoring and potential environmental risks Akbar, Said Ali; Afriani, Sari; Nuzlia, Cut; Nazlia, Suraiya; Agustina, Sri
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.34596

Abstract

Microplastics, or plastic particles smaller than 5 mm, are a growing ecotoxicological problem for both human health and aquatic habitats. Even though microplastic pollution affects the air, water, and land widely, these habitats are often viewed as distinct from one another while in fact they are tightly related. The purpose of this work is to review the body of scientific literature on microplastic studies in Indonesian watershed sediment. Google Scholar has identified around 57 papers about microplastic pollution that were published between 2017 and 2023. Papers about sediment for rivers, lakes, marine, and estuaries are categorized further based on (i) their occurrence and characterization, (ii) their intake by and effects on species, and (iii) their fate and transport issues. Even at low concentrations of 10 g/mL, microplastics cause harmful effects for people and animals, including cytotoxicity, immunological response, oxidative stress, barrier characteristics, and genotoxicity. When marine animals eat microplastics, their gastrointestinal tract physiology changes, and they also experience immune system depression, oxidative stress, cytotoxicity, differential gene expression, and growth inhibition. In addition, the bioaccumulation of microplastics in aquatic creatures' tissues may harm the aquatic ecosystem and may spread to people and birds. Through behavioural changes and policy changes, such imposing taxes, bans, or price increases on plastic carrier bags, plastic usage has been dramatically decreased to 885% in many different nations across the globe. The strategy for minimizing microplastics is structured like an upside-down pyramid: prevention is at the top, then reduction, reuse, recycling, recovery, and, as the least desirable alternative, disposal.Keywords:MicroplasticsSedimentIndonesia WatersEnvironmental RiskPollutant Aquatic
Biological status of blue swimming crab population (Portunus pelagicus) in Estuarine Water at Langsa City Sari, Nurdian Novita; Febri, Suri Purnama; Putriningtias, Andika; Haser, Teuku Fadlon; Rusydi, Rachmawati; Hanisah, Hanisah; Nazlia, Suraiya; Aprita, Ika Rezvani
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 13, No 2 (2024): AUGUST 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.2.33273

Abstract

Many factors encourage the exploitation of the blue swimming crab in the estuarine water of Langsa City. Therefore, maintaining crab populations in nature through fishing regulation becomes an important effort. Evaluation of the biological aspects of the blue swimming crab population the estuarine waters of Langsa City has the main role in the arrangement of regulation. This study aimed to determine the biology of the blue swimming crab population in the estuarine waters of Langsa City. This research was carried out in August 2022 in the estuarine waters of Langsa City. The method used was the survey method. The crab samples were taken randomly from the crab fishermen as much as 10% of the catch. Sampling once a week at 2 different location points for 1 month. The results showed that the relationship between carapace width and weight of male and female blue swimming crabs (Portunus pelagicus) had a negative allometric growth pattern because of the value of b 3, namely 1.22 and 1.21. The sex ratio of blue swimming crabs was not 1:1 or unbalanced. Gonadal maturity of male crabs was highest in level I, meanwhile the female could achieve the gonadal maturity in level V. During the research, the water quality of estuarine waters was in optimum condition.Keywords:Blue swimming crabBiological aspectEstuarinePopulation
Intensity and prevalence of ectoparasites in whiteleg shrimp Litopenaeus vannamei and mud crab Scylla serrata harvested from Aceh waters Indonesia Setiawan, Diky Agung; Muchlisin, Zainal Abidin; Fadli, Nur
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 13, No 1 (2024): APRIL 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.1.34312

Abstract

Ectoparasite infections are a common problem in small-scale aquaculture, exerting a substantial influence on fishery production. In the context of Indonesia, the two prevalent fishery commodities are whiteleg shrimpLitopenaeus vannameiiand mud crabScylla serrata. These species are extensively cultured within Aceh province, using traditional and semi-intensive aquaculture ponds and there are no reports on ectoparasites in these two species of crustaceans. Therefore, this study aimed to analyze the intensity and prevalence of ectoparasites in mud crab and whiteleg shrimp from Aceh between August to December 2022. Mud crab samples were collected from three locations, namely Langsa City, East Aceh, and North Aceh districts, while whiteleg shrimp samples were sampled from coastal ponds in Banda Aceh, Aceh Besar, and Aceh Jaya districts. The samples were collected over five months, and a total of 300 for each species were examined microscopically by scraping the swimming legs body, and gills. Furthermore, macroscopic-sized and microscopic-sized ectoparasites were observed using stereo and binocular microscopes, respectively. The results showed that five species of ectoparasites were recorded during the study, namely Octolasmis sp., Vorticella sp., Epistylis sp., Oodinium sp., and Zoothamnium sp. Mud crab exhibited infestations of Octolasmis sp., Vorticella sp., Epistylis sp., and Oodinium sp., while whiteleg shrimp were infested byVorticellasp.,Epistylissp., andOodiniumsp. In this study, the highest intensity for crab and shrimp was recorded inOctolasmissp. and Epistylissp., in November and September, respectively. The gills showed higher intensity compared to other infested organs and based on sample origin, crab and shrimp from Langsa and Banda Aceh Cities had higher results compared to other locations.The prevalence of ectoparasites exhibited a high value, reaching 100%, showing that crustacean samples were infested by ectoparasites. Therefore, the intensity of ectoparasite was varied according to sample of origin, time of sampling and infested organs. The samples of both crab and whiteleg shrimp from all locations consistently exhibited ectoparasite infestations throughout the entire study period.Keywords:Octolasmis sp.Vorticella sp.Epistylis sp.Oodinium sp.Zoothamnium sp.
Suitability analysis of spiny lobster mariculture zones in Sabang waters, Indonesia Ismail, Ismail; Muhammadar, Muhammadar; Firdus, Firdus
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.33331

Abstract

The lobster aquaculture industry has a high dependence on natural catch. Hence, lobster farming has become necessary. The waters in Sabang have the potential for developing lobster mariculture, but data is not yet available on the conditions of the aquatic environment that are suitable for lobster farming. This research aims to determine which locations are suitable for lobster mariculture activities in the waters of Sabang. The research parameters are divided into geographics, physicochemical, and supporting parameters. The geographical parameters group was collected through in-situ observations, and physicochemical parameters were measured in-situ and laboratory tests, supporting parameters through observations. Initial data analysis used the SAW (Simple Additive Weighting), AHP (Analysis Hierarchy Process) methods, and spatial analysis to determine the suitability of lobster cultivation zones with the Geographic Information System (GIS). From the observations of geographical parameters, the three locations of the observation station were in the very suitable category. The results of measuring physicochemical parameters group in three research locations were very suitable. Based on observations of other supporting parameters, Lhok Krueng Raya is very suitable for the cultivation zone, while Teupin Sirui and Lhok Weing are suitable. The findings of this research indicate that location protection, accessibility, DO, and COD are limiting parameters for selecting a suitable location for lobster mariculture in Sabang waters.Keywords:Suitability analysisLobster farmingSabangGIS
Analysis of abundance and ditribution of parrotfish (Leptoscarus vaigiensis) in seagrass ecosystems in Muris Besar Village, Demta District, Jayapura Regency, Papua Runtuboi, Dirk Y. P.; Kalor, John Dominggus; Paiki, Kalvin; Jaban, Robert D; Indrayani, Ervina; Mantayborbir, Vyona; Izaac, Fransina A
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 13, No 2 (2024): AUGUST 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.2.37510

Abstract

Parrotfish is the speciesLeptoscarus vaigiensis. Leptoscarus vaigiensisis a species of fish found in Muris Besar Village's waters, and it lives in seagrass meadow areas. This study aims to find parrot fish species abundance and distribution (Leptoscarus vaigiensis) in seagrass environments. Benefits from this research are anticipated to include supporting data and information, particularly for the fisheries industry in this water area, and significant information for preserving seagrass ecosystems as a specialized habitat for parrotfish (Leptoscarus vaigiensis). The Water Visual Census (UVC) is used to assess parrot habitat in the waterways. Direct observation at the research site is used to learn about and gather data about the object under study. Counting stationary points, transects, timed swimming at stationary sites, divers remaining in one location and surveying a specified radius for a certain amount of time are the major categories into which UVC methods fall. The research locations are Waipa Beach, Ugape Cape, Augara Beach, Muris Besar Village, Demta District, Jayapura Regency, Papua. The highest abundance value is at station 1, with an abundance value of 1,300 ind/m, while the lowest is at station 2, with an abundance value of 700 ind/m. Leptoscarus vaigiensis has a species distribution with a morality index value between 0.33 and 0.50. The distribution of parrotfish (Leptoscarus vaigiensis) in seagrass ecosystems is categorized as comparable according to the criteria for distribution patterns.Keywords:DistributionParrotfishMuris Besar VillagerAbundanceSeagrass beds
Phytoplankton Abundance and Distribution Chloropyll-a in Reservoir Lubis, Syahnan Aly; Pratiwi, Niken Tunjung Murti; Effendi, Hefni
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 13, No 1 (2024): APRIL 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.1.33923

Abstract

Organic matter entering through the inlet and activities in the Koto Panjang Reservoir body is feared to be the main source of nutrient contribution in the form of nitrogen (N) and phosphate (P) for reservoir waters. Nutrients N and P are utilised by phytoplankton in the photosynthesis process. If this condition continues, it is feared that it will affect water quality (blooming algae) which has an impact on aquatic biota. This study aims to determine the type and abundance of phytoplankton along with the distribution of chlorophyll a in reservoir waters. This study used descriptive, qualitative and quantitative methods and analysed the distribution of chlorophyll a using surfer software. Based on the results of the study, it is known that water quality is relatively good with temperatures ranging from 26-310C, brightness ranging from 0.69-1.96 m, dissolved oxygen (DO) is 5.60-6.80 mg/L and turbidity is 1-6 NTU. The results showed that phytoplankton composition was composed of 5 classes consisting of Euglenophyceae (1 species), Cyanophyceae (3 species), Conjugatophyceae or Zygnematophyceae (4 species), Chlorophyceae (4 species) and Bacillariophyceae (10 species). The dominating class in the reservoir zonation is different. In the riverine zone the Bacillariophyceae class dominates by 60.06%, in the transition zone the Cyanophyceae class by 91.60% and in the lacustrine zone the dominating class is Conjugatophyceae or Zygnematophyceae by 78.69%. Phytoplankton abundance ranged from 166.5-2,193 sell/m3. The highest abundance was located in the lacustrine zone and the lowest abundance in the riverine zone. The distribution of chlorophyll a in Koto Panjang Reservoir is varied, the highest distribution is located in the transition zone to the lacustrine zone.
Distribution pattern of benthos based on substrate in the mangrove area of Labuhan Haji District, South Aceh Regency Hasyiati, Rasma; Sarong, Muhammad Ali; Safrida, Safrida; Djufri, Djufri; Huda, Ismul
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.31503

Abstract

Mangrove areas can function as habitats for spawning, rearing, and foraging for various species in them. Benthos is an organism that lives on the bottom of the water. Research on benthos distribution patterns based on substrate was carried out with the aim of studying benthos species, types of substrates, and analyzing benthos distribution patterns based on substrates in Labuhan Haji District, South Aceh District, Aceh Province. The method used in this study is the method of observation and field work. The benthos distribution pattern based on the substrate was calculated using the morphic index. Identification results found 31 species of benthos consisting of 3 classes, namely gastropods with 7 orders, bivalves with 4 orders, and malacostraca with 1 order and the type of substrate analyzed obtained 4 types of substrate namely dusty loam, sandy loam, silt and sand. The benthos distribution pattern based on the substrate obtained 2 categories, namely uniform on sandy loam and sandy clay substrates, and clustered on dusty and dusty clay substrates.Keywords:MangrovesBenthosSubstrate TypeSpread patternLabuhan Haji
Phylogenetic positions of the rotifer Brachionus plicatilis species complex from Indonesian waters Wullur, Stenly; Letsoin, Petrus P; Rumengan, Inneke F M
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 13, No 1 (2024): APRIL 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.1.34126

Abstract

The Brachionus plicatilis species complex comprises a group of rotifers commonly found in marine and brackish water environments worldwide. This group has garnered substantial attention due to its ecological significance and its utility in aquaculture research. Notably, the B. plicatilis sp. complex is renowned for its remarkable genetic diversity, which has been extensively investigated through molecular and taxonomic studies. Various genetic markers, including ribosomal DNA and mitochondrial DNA, have been employed to identify several distinct genetic lineages within the B. plicatilis sp. complex. Understanding the taxonomy and phylogenetic relationships within the B. plicatilis sp. complex holds significant implications for its application in aquaculture and ecotoxicology research. In this study, we conducted an analysis of the mitochondrial DNA cytochrome c oxidase subunit I (COI) gene using a dataset of 305 sequences, including four Indonesian rotifers belonging to the B. plicatilis sp. complex. These rotifers were obtained from Sulawesi Island (MNBO and MNSL), Bali Island (AY785226), and Sumatra Island (LMPG). Our primary objective was to determine their phylogenetic positions relative to molecular data available in the GenBank database. We calculated genetic distances among these rotifers using the Tamura Nei model. The results of Maximum Likelihood tree analyses revealed distinct clustering patterns among the Indonesian rotifers. Those originating from Sulawesi Island (MNBO and MNSL) and Bali Island (AY785226) formed the SS1 group (B. ratundiformis), whereas those from Sumatra Island (LMPG) comprised the SM2 group (B. koreanus). This study underscores the importance of molecular phylogenetic analysis in advancing our comprehension of the diversity and evolutionary relationships within the B. plicatilis sp. Complex.Keywords:PhylogenyRotiferaBrachionus plicatilisSpecies complexIndonesia
Mapping the distribution of potential octopus (Octopus sp.) fishing ground in the waters of Simeulue regency Arif, Muhammad; Fuadi, Afdhal; Oktavinanda, Giovanni
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 13, No 2 (2024): AUGUST 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.2.34548

Abstract

Simeulue Regency has the potential for diverse and abundant marine resources; one of which is octopus (Octopus sp.). However, the problem faced by Simeulue fishermen in carrying out octopus fishing activities is that they only rely on natural phenomena or natural signs studied from generation to generation (traditional) to catch octopus. Therefore, the catch obtained is uncertain and takes a long time. The purpose of this study was to determine the number and weight of octopus catches landed in three sub-districts namely Teupah Barat, Teupah Selatan and Alafan, and then make a map of distribution of potential octopus fishing groud in the three sub-districts. The research method used in this study was a survey method by observing octopus catching units. The results showed that the total number and total weight of octopus catches in three sub-districts from the highest to the lowest were Teupah Barat, amounting to 176 heads and weighing 90,47 kg; Teupah Selatan amounting to 115 heads and weighing to 69,54 kg; and Alafan amounting to 114 heads and weighing to 46,97 kg, where the octopuses caught were all adult categories and fit to be caught. As for the potential areas for octopus fishing in the three sub-districts were as follows: Teupah Barat with 3 potential areas (points E, F and A); Teupah Selatan with 2 potential areas (points E and F); Alafan with only 1 potential point (point K).Keywords:MappingFishing groundOctopusSimeulue

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