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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
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Selektivitas fraksi Rf < 0,5 ekstrak etil asetat (EtOAc) biji putat air (Barringtonia racemosa)terhadap keong mas (Pomacea canaliculata) dan ikan lele lokal (Clarias batrachus) Musri Musman; Sofia F; Viqqi Kurnianda
Depik Vol 1, No 2 (2012): August 2012
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.1.2.35

Abstract

Abstract. Research to determine the selectivity of fraction Rf 0.5 of ethyl acetate extract (EtOAc) of putat air kernel (Barringtonia racemosa) on golden apple snail(Pomacea canaliculata) and local catfish (Clarias batrachus) was conducted in February 2012 at the Laboratory of Chemistry of Teacher Training and Education Faculty and Laboratory of Marine Chemistry of Coordinatorate of Marine and Fisheries of Syiah Kuala University. Thin-layer chromatography was used to separate components in the extract samples, and testing of biological activity based on the procedures recommended by FAO. Golden apple snail and local catfish mortality data were analyzed using Probit program, and value of selectivity (S) was processed according to the Wang and Feng’s formula.The values of LC50 of the fraction Rf 0.5 were 29.26 ppm for P. canaliculata and 44.47 ppm for C. batracus. The selectivity value for the tested organisms was 1.51. This study revealed that the tested extract has bioactive property as molluscicide of P. canaliculata.Key words. Biological activity, thin-layer chromatography, mortality, bioactive property, molluscicide, LC50.
Keanekaragaman dan Pengelompokan Jenis Ikan di Waduk Mulur Sukoharjo, Jawa Tengah, Indonesia Rahma Faradiana; Agung Budiharjo; Sugiyarto Sugiyarto
Depik Vol 7, No 2 (2018): August 2018
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.7.2.10004

Abstract

ABSTRAKWaduk Mulur mempunyai luas 151 hektar. Waduk ini memiliki satu  inlet dan dua outlet. Pada kawasan inlet dan outlet mempunyai faktor biotik dan faktor abiotik yang berbeda yang dapat mempengaruhi keanekaragaman jenis ikan. Tujuan penelitian untuk mengetahui tingkat keanekaragaman dan pengelompokan jenis ikan yang ada di Waduk Mulur. Penelitian dilakukan pada bulan Oktober-November 2017 dan proses identifikasi ikan di Universitas Sebelas Maret. Pengambilan sampel ikan menggunakan metode purposive sampling dengan menentukan empat stasiun yang mewakili yakni pada kawasan inlet, tengah waduk dan dua lokasi outlet. Sampling dilakukan pukul 06.00-18.00 WIB dengan membuat plot ukuran sekitar 10x20 meter3. Sampling dilakukan sebanyak tiga kali ulangan pada masing- masing stasiun. Alat yang digunakan untuk menangkap ikan adalah jaring biasa, jala, serok ikan, anco, dan pancing. Identifikasi ikan dengan buku Kottelat et al (1993). Parameter lingkungan perairan yang diukur mencakup suhu, kecepatan arus, penetrasi cahaya, DO, BOD, dan plankton. Perhitungan indeks keanekaragaman dengan menggunakan indeks keragaman Shannon Wiener. Hubungan antara faktor abiotik dan keanekaragaman jenis ikan dianalisis dengan uji korelasi regresi menggunakan SPSS versi 23.0. Ikan yang berhasil ditangkap dan diidentifikasi selama penelitian berjumlah 512 ekor dikelompokkan kedalam 11 familia, 16 genus dan 24 species. Berdasarkan perhitungan indeks diversitas ikan menunjukkan di kawasan inlet dan tengah mempunyai indeks diversitas lebih tinggi yaitu 1,003 dan 1,026 sedangkan pada stasiun outlet I dan II secara berturut-turut yaitu 0,784 dan 0,895. Faktor abiotik yang secara signifikan mempengaruhi keanekaragaman ikan adalah penetrasi cahaya dan kecepatan arus. Habitat yang berbeda menyebabkan perbedaan karakter morfologi pada ikan.Kata Kunci : Keanekaragaman, Ikan, Waduk Mulur
Analisis komoditas unggulan perikanan budidaya Kabupaten Pidie Jaya Farok Afero; Muhammad Nazir; Arie Muhardy
Depik Vol 4, No 2 (2015): AUGUST 2015
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.4.2.2401

Abstract

Abstract. Snapper (Lates calcarifer), grouper (Epinephelus coioides), tiger shrimp (Penaeus monodon), vannamei shrimp (Litopenaeus vannamei) and tilapia (Oreochromis niloticus) are leading commodity worthly cultivated in Pidie Jaya. Bandar Baru and Tringgadeng an appropriate areas for black tiger shrimp while Jangka Buya and Ulim approriate areas for vannamei cultivation. AHP analysis showed black tiger shrimp is top priority based on the economic value while vannamei shrimp is top priority based on enterprise sustainability. Financial analysis of snapper, grouper, black tiger shrimp, vannamei shrimp and tilapia farming generated positive cash flow and NPV, IRR 100%, the ratio of benefit to cost of production 1,30 and payback period of investment costs   1 year, thus demonstrating the feasibility of cultivation of these leading commodities. Vannamei shrimp cultivation showed positive prospect as long the market offers premium price. Grouper and snapper had a positive outlook because high demand of high-quality fish in the international market.Keywords: Leading commodity; financial analysis; aquaculture; Pidie Jaya Abstrak. Komoditas kakap (Lates calcarifer), kerapu (Epinephelus coioides),udang windu (Penaeus monodon), udang vannamei (Litopenaeus vannamei) dan nila (Oreochromis niloticus) adalah komoditas unggulan yang layak dibudidaya di Kabupaten Pidie Jaya. Bandar Baru dan Tringgadeng merupakan kawasan yang layak untuk pengembangan komoditas udang windu sedangkan Jangka Buya dan Ulim layak untuk pengembangan komoditas udang vannamei. Analisis AHP menunjukkan komoditas udang windu menjadi prioritas utama untuk dikembangkan berdasarkan nilai ekonomi sedangkan udang vannamei menjadi prioritas utama berdasarkan keberlanjutan usaha. Analisis indikator keuangan budidaya kakap, kerapu, udang windu, vannamei dan nila menunjukkan usaha budidaya komoditas unggulan menghasilkan arus kas kumulatif dan NPV positif, nilai  IRR diatas 100%, rasio keuntungan terhadap biaya produksi diatas 1,30 serta periode pengembalian biaya investasi 1 tahun, sehingga menunjukkan kelayakan usaha budidaya komoditas unggulan tersebut. Budidaya udang vannamei menunjukkan prospek yang positif selama harga yang ditawarkan oleh pasar masih tinggi. Ikan kerapu dan kakap memiliki prospek yang positif karena masih banyaknya permintaan ikan berkualitas tinggi di pasar internasional.Kata kunci: Komoditas unggulan; Analisa ekonomi; Perikanan Budidaya; Pidie Jaya
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
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

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