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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) - Ilmu Bumi dan Planet (Lain-Lain)
Articles 563 Documents
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Identifikasi ular laut di perairan Pulau Tuan Kecamatan Peukan Bada Kabupaten Aceh Besar M. Khairun Iffat; Chitra Octavina; Widya Sari; Maria Ulfah; Adli Waliul Perdana; Sri Agustina
Depik Vol 8, No 1 (2019): April 2019
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.8.1.13217

Abstract

Abstract. The research of identification about sea snake in Tuan Island Waters in Peukan Bada, Aceh Besar District has been conducted. This study aims to determine sea snakes species in Tuan Island Waters. The research was begun from April until July 2018. The method used in this study research was Time Swim Method with four station observation.Types of sea snakes were identified based on their morphology, head shape, body and tail, color and band. The result showed that there were types of marine snakes in these waters, they are Acrochordus granulatus and Laticauda sp. The waters parameters of Tuan Island such as temperature, salinity and pH supported the life of the two snake species.Keywords: Acrochordus granulatus, Laticauda, identification, sea snakes, Pulau Tuan. Abstrak. Telah dilakukan penelitian identifikasi ular laut di Perairan Pulau Tuan Kecamatan Peukan Bada Kabupaten Aceh Besar. Penelitian ini bertujuan mengetahui spesies ular laut di Perairan Pulau Tuan. Pelaksanaanya berlangsung pada bulan April-Juli 2018. Metode yang digunakan dalam penelitian ini adalah Metode Time Swim dengan empat stasiun pengamatan. Jenis ular laut diidentifikasi berdasarkan morfologinya, bentuk kepala, badan dan ekor, warna dan corak/bands. Hasil penelitian menunjukkan terdapat dua jenis ular laut pada perairan tersebut, yaitu Acrochordus granulatus dan Laticauda sp. Secara keseluruhan parameter perairan Pulau Tuan seperti suhu, salinitas dan pH tergolong sesuai untuk kehidupan dua spesies ular tersebut.Kata Kunci: Acrochordus granulatus, Laticauda, identifikasi, ular laut, Pulau Tuan.
Application of fermented product feed to growth performance of fish: A review Muhamad Dwi Cahya; Yuli Andriani; Kiki Haetami; Risdiana Risdiana
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.3.26361

Abstract

Aquaculture activities cannot be separated from the availability of artificial feed, even 70% of the total production cost is spent on feed, so the availability of good feed, in terms of quality and quantity, is an effort to maintain the success of aquaculture activities. Feeds with high protein have relatively higher prices because some of their raw materials still rely on imports from other countries. The solution to this problem is to use alternative feed ingredients that have good nutritional content, are easy to obtain and do not compete with humans. Organic waste originating from food scraps and agricultural industry residues has considerable potential. However, it is necessary to have a fermentation process as an effort to improve the nutrition and quality of these materials. The purpose of this paper is to determine the extent of utilization of fermented organic waste as fish feed ingredients that can help improve fish growth performance.Keywords:Alternative feed ingredientsFermentationFish feedOrganic waste
Distribusi kecepatan arus pasang surut pada muson peralihan barat-timur terkait hasil tangkapan ikan pelagis kecil di perairan Spermonde Abdul Rasyid Jalil
Depik Vol 2, No 1 (2013): April 2013
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.2.1.583

Abstract

Abstract. Indonesian waters connect the Pacific Ocean and the Indian Ocean. These waters are also highly influenced by the monsoonal climate. Current is a very important parameter in the marine environment and affect both directly and indirectly the marine environment. A study has been done in the waters of Spermonde Archipelago in Makassar Strait to develop a model of relationship between tidal current velocities and capture of small pelagic fishes at transition between west and east moonsoonal season. Insitu field data were collected for 3 (three) months, from April to June 2009. Besides that, this study also used a two-year image data (acquired from October 2007 to June 2009). Study sites were deployed in areas of fishing base of small pelagic fishes within the waters of Spermonde Archipelago, Pangkep District, South Sulawesi, particularly in areas where purse seine gears were operated by the fishermen. Distribution of current parameters, depth, wind direction and velocity, and tidal data were depicted horizontally using Surfer v 7.0 software package. Meanwhile, Surface Modelling System v 8.1. (SMS v 8.1) program was used to make prediction of the movement pattern of the surface current. Results of the analysis of current movement patterns when the waters were approaching hightide showed that water mass movement from southern region (Flores Sea) was diverted and passed through the Spermonde Archipelago to the coastline of Pangkep Regency. In contrary, when the waters were approaching ebb tide, the current from the western coast of Pangkep Regency passed the Spermonde Archipelago and diverted to the Flores Sea again. Analysis of current velocity indicated that higher current ( 0.1 m s-1) was found in offshore and tend to decrease below 0.1 m s-1 as the current passing the waters of Spermonde Archipelago. Optimal capture was obtained up to the current velocity of 0.032 m s-1 i.e. 187.9 kg, and tend to decrease with increasing current velocity. At the highest current velocity, that is 0.216 m s-1, the capture was 112 kg.
The dynamics of target fishes resources in coral reef fisheries at coastal area of Ternate Island Faizal Rumagia; Mennofatria Boer; Rahmat Kurnia; Mohammad Mukhlis Kamal
Depik Vol 8, No 2 (2019): August 2019
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.8.2.13358

Abstract

Abstract. As one of the coastal ecosystem, coral reef ecosystem is a magnificent marine ecosystem, where their species richness and composition play an important role for the ability of coral reef ecosystem to respond to the fishing activity and other stressors, where fishing has impacted the fish community, target or non-target reef fish species. The dynamic of reef fish resources, especially the target species, become one of the aspects that must be considered in the management and utilization of the fisheries resources in the coral reef ecosystem and their surrounding area. The purpose of the study was to analyze the dynamics of the target fish in the coral reef fishing activity at the coastal area of Ternate Island, from the growth, mortality and exploitation ratio aspect. The research was conduct from April to August 2018 in the coastal area of Ternate Island. The data sampling was growth parameters data through length and weight measurement. Total sample measure along the research time was 6245 sample (consist of seven family and 11 species). The result shows that the target fish have asymptotic length (L∞) range from 263.16–483.16 mm, with growth coefficient (K) ranging from 0.61–0.92 per year. The theoretic age at length 0 (t0) ranges from minus 0.0825–0.1669 year (equal to 30-61 day). The fishing mortality rate (F) is lower than the natural mortality rate (M), which resulting the exploitation rate (E) for the target fish mostly under 50%, which indicated that the utilization of the reef fishes in the coastal area of Ternate Island is still under-exploited.Keywords: Exploitation rate, Growth parameters, Length-weight relationship, Mortality rate, Stock assessment
Hubungan parameter fisika-kimia perairan dengan kelimpahan plankton di Samudera Hindia bagian Barat Daya Rani Novia; Adnan .; Irwan Ramadhan Ritonga
Depik Vol 5, No 2 (2016): August 2016
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.5.2.4912

Abstract

Abstract. The aims of this research was to examine the water quality parameters and plankton abundance and its relationships in the Southwestern of Indian Ocean. This is a quantitative descriptive research. Planktons were sampled using plankton net, and water samples were taken using Conductivity, Temperature, Depth (CTD) where the water samples colleted in the Nansen Bottle No. 1 (surface water) at seven sampling stations. The results showed that there were 25 species of planktons belonging into seven classes, i.e., Bacillariophyceae, Ciliate, Crustacea, Cyanobacteria, Dinophyceae, Flagellata, and Maxillopoda. The highest value of abundance of plankton was found at station 6 with 7255 ind. L-1, the value of diversity index of plankton was at moderate category,  and there was no predominant species was occurred in the community. Bivariate correlation analysis results of Person's showed that the temperature and Dissolved Oxygen (DO) were positively correlated to the plankton abudance, while pH, conductivity, TDS, salinity were negatively correlated with abundances of plankton.Keywords: Abundance of plankton, linkages, water quality, Indian Ocean of Southwestern Abstrak. Penelitian ini bertujuan untuk mengetahui jenis dan kelimpahan plankton dan kualitas air serta hubungan antara kelimpahan plankton dengan parameter fisika-kimia perairan di Samudera Hindia bagian Barat Daya. Penelitian ini merupakan penelitian deskriptif kuantitatif, pengambilan sampel plankton menggunakan plankton net, dan sampel air menggunakan CTD (Conductivity, Temperature Depth) dimana sampel air yang diambil pada botol nansen No. 1 (sampel air permukaan) pada 7 titik stasiun. Hasil penelitian ditemukan 25 spesies plankton yang termasuk ke dalam 7 kelas, yaitu Bacillariophyceae, Ciliata, Crustacea, Cyanobacteria, Dinophyceae, Flagellata, dan Maxillopoda. Kelimpahan plankton tertinggi terdapat pada  stasiun 6 dengan 7255 ind/L, indeks keragaman plankton pada kondisi sedang, dan tidak terjadi dominasi spesies dalam komunitas. Hasil analisis korelasi Bivariate Person’s menunjukkan suhu dan DO (Dissolved Oxygen) berkorelasi positif terhadap kelimpahan plankton, sedangkan pH, konduktifitas, TDS, salinitas berkorelasi negative dengan kelimpahan plankton. Kata kunci: Kelimpahan Plankton, Keterkaitan, Kualitas air, Samudera Hindia bagian Barat Daya
The assessment of status of Sibam River and Air Hitam River Pekanbaru city Riau Province using pollution index Yuliati, Yuliati; Sumiarsih, Eni; Efawani, Efawani; Mulyani, Isma; Fajri, Nur El
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 12, No 2 (2023): AUGUST 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.2.29001

Abstract

The quality of the Siak River is gradually deteriorating with the rapid socio-economic development in its tributary watersheds. S. Sibam and Air Hitam are part of the Siak tributaries in the Siak tributary sub-region in Pekanbaru City. The quality of the Sibam and Air Hitam tributaries in the Siak Watershed of Pekanbaru City has been studied to determine the relative pollution level of water quality standards. Water quality measurements were carried out from January to August 2022 at the upstream, middle, and confluence with the Siak River. The pollution level of the Sibam River and Air Hitam River was measured using the pollution index method. The quality of the Sibam River and Air Hitam waters is compared to the quality standards according to The Regulation of Government of the Republicof Indonesia(RGRI) Number 22/2021 Class III. The water quality parameter measured consisted of dissolved oxygen, TSS, pH, BOD, COD, nitrate, nitrite, ammonia, and total phosphate. Pollution index calculations for the Sibam and Air Hitam rivers show light pollution, with index values ranging from 1.75 to 3.57. Nitrite and ammonia concentrations in the Sibam River do not meet quality standards. Whereas in the Air Hitam River, the BOD, nitrite, and ammonia level exceeds the quality standards (RGRI Number 22/2021 Class III). The highest pollution index is in the middle of the river, with settlements on both rivers.Keywords:Pollution IndexWater QualitySibam RiverAir Hitam River
An ecosystem approach to manage pelagic thresher shark (Alopias pelagicus) based in Kutaraja Ocean Fishing Port, Aceh Inda Mardhatillah; Am Azbas Taurusman; Muhammad Fedi Alfiadi Sondita; Ilham Fajri; Muhammad Aris
Depik Vol 11, No 2 (2022): August 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.2.25479

Abstract

Sharks is the dominant bycatch of purse seine and bottom longline vessels that landed in Kutaraja ocean fishing port, particularly pelagic thresher shark species (Alopias pelagicus). The management of shark fisheries  in Aceh water is not well implemented.  According to the IUCN red list, the pelagic thresher shark has been classified as an endangered species. The capture and trade of pelagic thresher sharks are regulated by CITES (Appendix II). So that Indonesia has to comply with the procedures of CITES due to it has been adopted through the Decree of Minister of Marine Affairs and Fisheries of the Republic of Indonesia Number 61/PERMEN-KP/2018. However, the exploitation and trading of the A. pelagicus continues and is not properly managed. It will threaten the extinction of the pelagic thresher shark population and in terms of a negative image of fisheries management in Indonesia, in particular.  Thus, integrated management such as the ecosystem approach to fisheries management (EAFM) is needed to solve this problem. This study aims to evaluate the fisheries management status of the pelagic thresher shark based on EAFM indicator of fish resources domain, focusing in the Kutaraja ocean fishing port. This research was conducted by field measurement and interviews with key stakeholders. Data were analyzed using a multi-criteria analysis (MCA) approach through development of a composite index. The results showed that the trend of CPUE  tends to fluctuate in the last 5 years. The total length of the sharks was relatively constant. The proportion of juvenile pelagic thresher sharks was 16% male, and 28% (female), and the shark was bycatch (1%) of the purse seine fishery, the fishing ground was getting further away and seemed to go close to the shark habitat.  Based on this assessment, one could conclude that shark's fishery resources were in 'good' category, however, some indicators need to improve through better fisheries management actions. Keywords: EAFM; Alopias pelagicus; pelagic thresher shark; Kutaraja ocean fishing port
Karakteristik morfologi dan pertumbuhan lamun Halophila ovalis pada beberapa kawasan pesisir Pulau Bintan Aditya Hikmat Nugraha; Hazrul Hazrul; Susiana Susiana; Try Febrianto
Depik Vol 9, No 3 (2020): December 2020
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.9.3.17781

Abstract

Halophila ovalis is one of the pioneer seagrass species. The physico-chemical factors of the waters greatly influence the life processes of the seagrass. This study aims to compare the morphometric characteristics and growth of H. ovalis seagrass on water quality in several coastal areas in Bintan Island. Observation of morphometric characteristics includes measurement of rhizome diameter, leaf length, leaf of width, root length, internode length and number of leaves. Observation of growth rate was done by using the cutting method for leaves and marking method for rhizome. Observations of the growth rate were carried out twice, namely on the 14th and 28th days. The results showed that the H. ovalis type of seagrass found at Dompak Station had greater morphological characters than other stations. The condition of the bottom substrate is related to the morphological characters of the seagrass. The growth pattern of the seagrass leaves for one month of observation has a decline in growth trend. The rhizome growth pattern at all observation stations has an increasing trend. The results of the principal component analysis and correspondence analysis show that environmental parameters such as substrate type and nutrient concentration have a role in the morphological structure and growth of H. ovalis.Keywords:BintanGrowthHalophila ovalisMorphologySeagrassABSTRAKHalophila ovalis merupakan salah satu jenis lamun pionir. Faktor fisika-kimia perairan sangat mempengaruhi proses kehidupan lamun tersebut. Penelitian ini bertujuan untuk membandingkan karakteristik morfometrik dan pertumbuhan lamun H. ovalis pada beberapa kawasan pesisir di Pulau Bintan yang memiliki kondisi lingkungan berbeda. Pengamatan karakteristik morfologi meliputi pengukuran diameter rhizome, panjang daun, lebar daun, panjang akar, panjang internode dan jumlah daun. Pengamatan laju pertumbuhan dilakukan dengan metode pemangkasan untuk daun dan metode penandaan untuk rhizome. Pengamatan terhadap laju pertumbuhan dilakukan sebanyak dua kali yaitu pada hari ke-14 dan ke-28. Hasil penelitian menunjukkan bahwa lamun jenis H. ovalis yang terdapat di Stasiun Dompak memiliki karakter morfologi lebih besar dibandingkan dengan stasiun lainnya. Adapun kondisi substrat dasar perairan memiliki keterkaitan dengan karakter morfologi lamun. Pola pertumbuhan daun lamun selama satu bulan pengamatan memiliki trend penurunan pertumbuhan. Pola pertumbuhan rhizome pada seluruh stasiun pengamatan memiliki trend peningkatan. Hasil analisis komponen utama dan analisis koresponden menunjukkan bahwa parameter lingkungan seperti tipe substrat dan konsentrasi nutrien memiliki peran terhadap struktur morfologi dan pertumbuhan lamun H. ovalis.Kata kunci:BintanHalophila ovalisLamunMorfologiPertumbuhan
Studi sebaran sedimen berdasarkan ukuran butir di perairan Kuala Gigieng, Kabupaten Aceh Besar, Provinsi Aceh Syahrul Purnawan; Ichsan Setiawan; Marwantim M
Depik Vol 1, No 1 (2012): April 2012
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.1.1.24

Abstract

Abstract. The objective of the present study was to evaluate the distribution of sediments in the estuary of Kuala Gigieng. The study was done on Mei to June 2011 and the sampling was conducted in three areas of estuary i.e. downestuarine, middle-estuarine and river section of Kuala Gigieng. The wet sieving analysis method was used in this study. The data was then weighed and the percentage was calculated and classified based on the Wentworth scale. The results showed that (1) the mean grain size of sediment of each area was 0.50 mm, 0.65 mm and 0.56 mm and the characteristically, the sediment distribution was consisted of medium sand 63.42%, fine sand 23.40%, coarse sand 5.59%, very fine sand-mud 4.13% and pebble 0.17%. The currents speed were 0.25 m/s, 0.23 m/s and 0.19 m/s. The current speed has influenced the sediment distribution where small grains were mostly found at higher current speed. Key words. Estuary, currents and sediment distribution
Ekosistem mangrove sebagai habitat kepiting bakau (Scylla Serrata) di Kampung Nipah Desa Sei Nagalawan Kecamatan Perbaungan Serdang Bedagai Provinsi Sumatera Utara Sari Marina Saragi; Desrita Desrita
Depik Vol 7, No 1 (2018): April 2018
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.7.1.8742

Abstract

Highly Utilization of Mangrove field as cultivation field of fish and recreation and tour site by people have big posses to the abundance of Mangrove crab (Scylla serrata) because of mangrove play role as habitats of mangrove crabs. The research was conducted for two months from December 2016 to January 2017. This study aims to see the structure of mangrove vegetation, the abundance of Mangrove Crab and the influence of mangrove vegetation structure on the abundance of Mangrove Crab in Kampung Nipah. The results of this research are Vegetation structure of Mangrove in the station I and II show high density, whereas density in station III wide apart. The abundance of mangrove crab in the station I and II showed the higher result from station III. The Influence of Vegetation Structure of Mangrove and Abundance of Mangrove Crab can be related by using regression analysis Y = 0.0241x + 113.6. The correlation coefficient (r) that value obtained as 0.79 have a meaning the connection between mangrove density and abundance of mangrove crab are rated in the strong category that has a value 79%. The density of Mangrove to 1000 units will rise up the abundance of mangrove crab to 43.5 an individual. Tingginya pemanfaatan mangrove sebagai lahan budidaya ikan dan sebagai wisata rekreasi oleh masyarakat sangat mempengaruhi kelimpahan Kepiting Bakau (Scylla serrata) karena hutan mangrove merupakan habitat bagi Kepiting Bakau. Penelitian ini dilaksanakan selama dua bulan yaitu bulan Desember 2016 sampai Januari 2017. Penelitian ini bertujuan untuk melihat struktur vegetasi mangrove, kelimpahan Kepiting Bakau dan pengaruh struktur vegetasi mangrove terhadap kelimpahan Kepiting Bakau di Kampung Nipah. Hasil dari penelitian struktur vegetasi mangrove di stasiun I dan II memiliki kerapatan sangat padat, sedangkaan kerapatan di stasiun III jarang. Kelimpahan Kepiting Bakau di Stasiun I dan II lebih tinggi dari kelimpahan di stasiun III. Pengaruh kerapatan mangrove dan kelimpahan Kepiting Bakau diperoleh persamaan regresi yaitu Y = 43,521 +  0,2061x.  Koefisien korelasi (r) yang diperoleh 0,79 yang artinya hubungan kerapatan mangrove dan kelimpahan Kepiting Bakau tergolong kuat yaitu sebesar 79%. Kerapatan mangrove sebanyak 1000 satuan akan meningkatkan kelimpahan Kepiting Bakau sebesar 43,5 individu.

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