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Contact Name
Ichsan Setiawan
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ichsansetiawan@usk.ac.id
Phone
+6285220189228
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depik@usk.ac.id
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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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INDONESIA
Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan
ISSN : 20897790     EISSN : 25026194     DOI : 10.13170/depik
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
Articles 944 Documents
Kajian dinamika pantai : Studi kasus di Pantai Rening, Jembrana, Bali Nurin Hidayati; Raut Wahyuning Paluphi; Mohammad Arif Asadi; Hery Setiawan Purnawali
Depik Vol 6, No 1 (2017): April 2017
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1229.151 KB) | DOI: 10.13170/depik.6.1.5457

Abstract

The objectives of present study were to determine the distribution of sediment associated with shoreline changes and to analyze the beach dynamics in Rening Beach. Sediment samples were taken from seventeen sampling points spread along the beach, and then followed by the lab test using granulometri method to determine the characteristics of sediment. Shoreline change was analyzed using analysis of satellite imagery in 2011, 2014 and 2016, while the sediment transport were analyzed using Hjulstrom graph. Then, Rening Beach dynamics can be analyzed. Sediment test results showed that sediment type in Rening Beach was dominated by sand with diameter of between 0.25-5 mm. The ocean currents movement was dominantly to the west. The results of shoreline change analysis between the years 2011-2016, and Hjulstrom graph analysis showed the same pattern that Rening Beach was eroded. The Rening Beach was high dynamics with subjected to beach erosion in the form of littoral drift due to longshore currents.Penelitian ini bertujuan untuk mengetahui perubahan garis pantai, transpor sedimen dan dinamika pantai di Pantai Rening. Pengambilan data arus dan sampel sedimen diambil dari tujuh belas titik pengambilan sampel yang tersebar merata di sepanjang perairan Pantai Rening. Sampel sedimen kemudian diujikan di laboratorium menggunakan metode granulometri untuk mengetahui karakteristik sedimen. Perubahan garis pantai dianalisa menggunakan analisis peta citra satelit tahun 2011, 2014 dan 2016, sedangkan pola transpor sedimen dianalisa menggunakan grafik Hjulstrom. Dari hasil analisa perubahan garis pantai dan transpor sedimen, dapat dianalisa dinamika Pantai Rening. Hasil uji sedimen menunjukkan bahwa jenis sedimen didominasi oleh pasir sedang dengan diameter antara 0.25-5 mm. Pergerakan arus dominan mengarah ke arah barat. Hasil analisis perubahan garis pantai antara tahun 2011-2016, dan analisa grafik Hjulstrom menunjukkan pola yang sama bahwa pada Pantai Rening mengalami erosi dan mundurnya garis pantai. Dinamika Pantai Rening cukup tinggi dengan kecenderungan terjadi erosi pantai berupa littoral drift akibat arus sejajar pantai. 
Application of pumpkin flour to the diet of Barramundi Lates calcarifer fingerling Riska Z. Yanti; Zainal A. Muchlisin; Abdullah A. Muhammadar; Nur Fadli
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 | Full PDF (324.723 KB) | DOI: 10.13170/depik.11.2.26859

Abstract

Barramundi Lates calcarifer is a high economic value fish in Indonesia and Southeast Asia countries. However, the aquaculture system still experiences problems, including the high cost of production, specifically from feed, which is due to its relatively slow growth and low digestibility. Therefore, this study aims to determine alternative ingredients that can be used in the fish diet to improve feed utilization and growth performance using pumpkin flour Cucurbita moschata. A completely randomized design (CRD) with 6 treatments and 3 replications was adopted in this study. The tested diet was (A) diet without pumpkin flour (control), (B) with 5% (C) 10% (D) 15% (E) 20%, and (F) 25%. The size of the Barramundi samples was 3-4 cm on average and the body weight was 1-3 g at the stocking density of 15 fish/container. The fish fed as much as 10% body weight daily, which is divided into 2 times, namely 08.00 AM and 4.00 PM for 60 days. The results showed that the addition of pumpkin flour had a significant effect on weight gain, daily and specific growth rate, survival, feed efficiency, conversion ratio, and carcass protein (P0.05). The diet with 5% pumpkin flour gave the best results over other treatments, with an average weight gain of 0.761 g, feed conversion of 1.578, feed efficiency of 63.455%, and a daily and specific growth rate of 0.012 g and 0.738%, respectively, The highest carcass protein content was found in the control treatment with a value of 18.210%, which was not significantly different from the 5% pumpkin flour treatment. Therefore, it is concluded that pumpkin flour can be added to the Barramundi diet as much as 5%. Keywords: Barramundi, Snapper, pumpkin, feed utilization
Literature review on shipyard productivity in Indonesia Thaib Rizwan; Ayana Rizki; Umiralaska Salsabila; Muhammad Muhammad; Riyan Maulana; Makwiyah A Chaliluddin; Junaidi M Affan; Razali Thaib; Suhendrianto Suhendrianto; Yusrizal Muchlis
Depik Vol 10, No 1 (2021): April 2021
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (286.001 KB) | DOI: 10.13170/depik.10.1.18712

Abstract

The shipyard industry plays an important role in supporting fishing activities and efforts to fulfill animal protein for humans. It is an industry that has an orientation to produce a product in the form of a ship. There are two types of shipyards, which are offshore buildings and floating buildings - both are used to build new ships and repair old ships. Based on the level of technology used by the shipyard industry, it is divided into modern, traditional, and semi-modern shipyards. Its productivity can see the advantages and disadvantages of a shipyard to ensure this industry remains to exist. Several factors need to be taken into account to increase the shipyard productivity, including land or location, human resources, technology, and materials.Keywords:ProductivityShipyardTechnology
Kondisi ekosistim mangrove di sub district Liquisa Timor-Leste Antonio de Jesus
Depik Vol 1, No 3 (2012): December 2012
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (375.71 KB) | DOI: 10.13170/depik.1.3.55

Abstract

Abstract. The objective of the present study was to determine the condition of the mangrove ecosystem and how to the influence of physic-chemical environment parameters on community structure of mangrove vegetation in Kaitehu Tibar and Ulmera in Bazartete coastal areas District of Liquisa, Timor-Leste. The parameters observed include the condition of mangrove vegetation, soil substrates, plankton abundance and Nutrient Elements in the area. The results showed that, the Sonneratia alba species is the most dominating in Bazartete area, compared with Rhizophora and Brugueira cylindric species, ie 967 threes /ha, 967 threes /ha, and 1333 threes /ha, The results of laboratory analysis quality of physical-chemical conditions of the environment shows that, there are significant differences in soil nutrient substrate in the 3 observation areas. such as follows: Substrate ground, the average content of C-organic were 0.67%, 2.47% and 0.21%, K = 1.17 Me/100g, 1.20 Me/100g , and 1.14 Me/100g; Ca = 32.39 Me/100g, Me/100g 25.83, and 27.09 Me/100g; Me/100g Mg = 11.46, 9.81 and 9.78 Me Me/100g / 100g; Me/100 g Na = 8.47, 8.26 and 9.78 Me/100g Me/100g. The cation concentration at each observation areas is : K = 0.023 mg / l, 0.023 mg / l and 0.046. Ca = 0.05 mg / l, 0.04 mg / l and 0.04 mg / l. Mg= 0.02 mg / l, 0.03 mg / l, 0.026 mg / l, and Na = 0.03 mg / l, 0.03 mg/l and 0.02 mg/l.Keywords. Mangrove ecosystems, mangrove environment habitats, organic matter, Calsium and Magnesium
Efektivitas probiotik BIOM-S terhadap kualitas air media pemeliharaan ikan nila nirwana Oreochromis niloticus Yuli Andriani; Taufik Ikhsan Kamil; Iskandar Iskandar
Depik Vol 7, No 3 (2018): December 2018
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (258.698 KB) | DOI: 10.13170/depik.7.3.9043

Abstract

Abstract.This research was conducted on May–June 2017 in Hatchery Indoor Maksudi, Astanaanyar, Bandung. This research aims were to find out the optimal BIOM-S probiotic on culture media of Nile tilapia andto evaluate  the influence to survival rate and growth of Nile tilapia. This research was conducted by experiment using consisted of five treatments and three repetitions, which were treatment A (control), B (giving probiotic with 0.6 ml/l concentration), C (giving probiotic with 0.8 ml/l concentration), D (giving probiotic with 1.0 ml/l concentration), and E (giving probiotic with 1.2 ml/l concentration). The parameter of this research was the water quality of media culture, includes temperature, dissolved oxygen, acidity (pH), ammonia, nitrate, and nitrite. To find out the optimal concentration of probiotic quality of water parameter was analyzed descriptively. The concentration of optimal probiotic based on the results was 0.8 ml/l, it was able to keep the level of ammonia below 0.021 mg/l.Keywords: Amoniac;  Nile tilapia; Probiotic; water qualityAbstrak. Penelitian ini telah dilakukan pada bulan Mei–Juni 2017 di Hatchery Indoor Maksudi, Astanaanyar, Kota Bandung. Tujuan penelitian adalah untuk mengetahui konsentrasi optimal probiotik BIOM-S yang diaplikasikan pada media pemeliharaan ikan nila, serta pengaruhnya terhadap kelangsungan hidup dan pertumbuhan benih ikan nila nirwana. Penelitian dilakukan secara eksperimental, terdiri dari lima perlakuan dan tiga ulangan, yaitu perlakuan A (kontrol), B (pemberian probiotik dengan konsentrasi 0,6 ml/l), C (pemberian probiotik dengan konsentrasi 0,8 ml/l), D (pemberian probiotik dengan konsentrasi 1,0 ml/l), dan perlakuan E (pemberian probiotik dengan konsentrasi 1,2 ml/l). Parameter yang diamati adalah kualitas air media budidaya, meliputi suhu, pH, oksigen terlarut, amonia, nitrat dan nitrit, yang kemudian dianalisis secara deskriptif. Konsentrasi probiotik yang optimal berdasarkan hasil penelitian yaitu 0,8 ml/l, mampu menjaga kadar amonia dibawah 0,021 mg/l.Kata kunci:Amonia; Kualitas air, Nila nirwana; Probiotik
Perubahan kandungan vitamin dan mineral ikan kembung lelaki akibat proses penggorengan Mala Nurilmala; Nurjanah .; Reza Febriyansyah; Taufik Hidayat
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 | Full PDF (416.497 KB) | DOI: 10.13170/depik.4.2.2688

Abstract

Abstract. Indian mackerel (Rastrelliger kanagurta) is one of sea water fish in Indonesia. It is a good source of protein. This fish is consumed by vary processing methods. In addition, it is very known that frying is the favorite method for food processing including fish in Indonesia because of its specific taste. However there is no data found for changes of vitamin and mineral  compositions so far, thus our study investigated the effect of deep frying  using 4L palm oil at 180 oC for 5 minutes on vitamin A, B12, and minerals (Ca, Na,K, Fe, Zn, and Se) of this fish. The measurenment of vitamin A and B12 was carried  out by HPLC and  AAS for  mineral. The results showed that deep frying effected on vitamin A with significantly increased (P0.05), on the other hand vitamin B12  decreased significantly (P0.05).  Mineral Ca  increased significantly (P0.05), however Na dan K  decreased significantly (P0.05). No significant result for Fe and Zn. Furthermore, it is found that Se content was under limit detection.Keywords: deep frying; mineral; Rastrelliger kanagurta; vitaminAbstrak. Ikan kembung lelaki (Rastrelliger kanagurta) merupakan salah satu ikan laut Indonesia. Ikan ini  dikonsumsi  dengan berbagai metode pengolahan. Pengolahan dengan menggoreng merupakan metode yang sangat disukai di Indonesia karena akan menghasilkan rasa yang khas termasuk pada ikan kembung. Di sisi lain, belum adanya data yang ditemukan akibat metode penggorengan ini pada perubahan vitamin dan mineral ikan kembung, sehingga tujuan penelitian ini adalah menentukan pengaruh yang terjadi pada kandungan vitamin A, B12, dan mineral ikan kembung (Ca, Na, K, Fe, Zn, dan Se)  setelah digoreng dalam deep fryer menggunakan 4L minyak goreng pada suhu 180 oC selama 5 menit. Pengujian yang dilakukan yaitu, uji vitamin A dan B12 dengan HPLC, serta uji mineral dengan AAS. Hasil penelitian menunjukkan bahwa metode penggorengan deep fryingberpengaruh nyata (P0,05) terhadap vitamin A, sedangkan vitamin B12menurun secara signifikan (P0,05). Mineral Ca meningkat secara signifikan (P0,05), sedangkan Na dan K  menurun secara signifikan (P0,05) setelah proses penggorengan. Mineral Fe dan Zn tidak berubah secara signifikan. Selenium memiliki kandungan dibawah limit deteksi.Kata kunci: proses penggorengan; mineral; Rastrelliger kanagurta; vitamin; 
Biological aspects of Diopatra sp. (Onuphidae, Polychaeta) collected from mangrove habitats of Jeruklegi, Cilacap Regency Eko Setio Wibowo; IGA Ayu Ratna Puspitasari; Atang Atang; Joko Pamungkas
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 | Full PDF (380.456 KB) | DOI: 10.13170/depik.11.3.25787

Abstract

Diopatra species are members of the family Onuphidae (Polychaeta, Annelida) that are widely used as fishing bait. These tubicolous worms are common in particular mangrove areas of Cilacap. However, biological aspects of Diopatra sp. inhabiting the areas have not been studied. In the present work, we investigated several biological aspects of the worms, including the segment number, the body weight and the sex ratio, based on Diopatra samples collected from four mangrove habitats of Jeruklegi Village, Cilacap Regency, between June and July 2021. The results show that the average numbers of segments of Diopatra sp. obtained ranged from 195 to 216 segments, whereas the average body weights ranged from 2.03 to 3.12 g, and the average sex ratios ranged from 0.5 to 1.3. In general, the biological aspects of Diopatra sp. between sampling sites were relatively similar; this can be attributed to the similar environmental conditions at all sampling sites, including salinity (25–32 ppt), water temperature (30–32 oC), dissolved oxygen (6.4–8.8 ppm) and pH (7). While Diopatra worm farming is necessary so that local people do not rely on natural catch, a further taxonomic study is required to reveal the identity of this economically important local species.Keywords:Biological aspectDiopatraMangrove habitatPolychaetesTubicolous worms
Post feeding protection from Bilimbi to Motile Aeromonas Septicemia disease in African Catfish Sefti Heza Dwinanti; Gusti Setiawan; Ade Dewi Sasanti; Madyasta Anggana Rarassari
Depik Vol 10, No 2 (2021): August 2021
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (553.393 KB) | DOI: 10.13170/depik.10.2.20445

Abstract

Bilimbi (Averrhoa bilimbi) is plant medicinal used to control fish diseases both prevention and treatment. This study aims to determine the protection period of bilimbi-fed which different duration in catfish to enhance catfish (Clarias sp.) immunity in order to protect fish from Aeromonas hydrophila infection. The Randomized Block Design Factorial (RBDF) with 2 factors was used in this experimental. The first factor (A) was the period of feeding containing bilimbi juice consisting of 3 treatments, namely 0 days (P0), 7 days (P1), and 14 days (P2). The second factor (B) was the protection period after the administration of bilimbi juice to the infection of A. hydrophila bacteria consisting of 3 treatment, 5 days (T5), 10 days (T10), and (T15). This research was conducted at the Laboratory of Aquaculture Experiment Pond, Faculty of Agriculture, Sriwijaya University in October-December 2018. The parameters observed included prevalence of infection, growth, survival, feed efficiency and water quality. The result revealed that by giving 300 mL.kg-1 of bilimbi juice with different periods significantly affected the period of fish protection for A. hydrophila infection. The best prevalence value was 3,33% (P2T5), and the best survival of the fish before infection was 94,17% (P2), while the best fish survival post infection was 100% (P2T5), the best feed efficiency value was 56,47% (P2), water quality under experiment were 26-29,70C for temperature, pH 6.8-7.7, dissolved oxygen 4.35-5.37 mg/L and ammonia 0.09-0.21 mg/L.Keywords:Averrhoa bilimbiAeromonas hydrophilaEthnomedicinal plantFish immunityMotile Aeromonas Septicemia
Pertumbuhan dan kelangsungan hidup larva ikan lele dumbo (Clarias gariepinus) pada konsentrasi tepung daun jaloh (Salix tetrasperma Roxb) yang berbeda dalam pakan Cut Dara Dewi; Zainal A. Muchlisin; Sugito .
Depik Vol 2, No 2 (2013): August 2013
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (221.064 KB) | DOI: 10.13170/depik.2.2.725

Abstract

Abstract. The objective of the present study was to evaluate the possibility of jaloh leaf powders as alternative raw material for the formulated diet ofAfrican catfish (Clarias gariepinus). Four concentrations of jaloh leaf powders (0%, 5%, 10% and 15%) were examined in this study. The experimental fish were fed three times a day (on 08.00 am, 12.00 am and 17.00 pm) with feeding ration of 5% of body weight and the fish was reared for 35 days. The ANOVA test showed that the different concentration of jaloh leaf powders gave a significantly effect on growth performance of African catfish larvae (P0,05) but did not give significantly effect on the survival rate (P0,05). The Duncans test showed that the higher survival rate and growth performance were found in the control (without jaloh leaf powders). Therefore it is concluded that the jaloh leaf powders is not suitable as alternativerows material for African catfish diet.Key words: Protein; Carbohydrate; Catfish; Alternative feed Abstrak. Penelitian ini bertujuan untuk mengevaluasi kemungkinan pemanfaatan  tepung daun jaloh (S. tetrasperma) sebagai bahan baku alternatif untuk pakan ikan lele(C. gariepinus). Dalam penelitian ini telah diuji beberapa tingkat proporsi tepung daun jaloh yaitu (0%, 5%, 10%, dan 15%) .Pemberian pakan dilakukan tiga kali sehari, yaitu pada pukul 08.00, 12.00 dan 17.00 WIB,sebanyak5%dari berat bobot tubuhnyaselama 35 hari. Hasil uji ANOVA menunjukkan bahwa pemberian tepung daun jaloh memberikan pengaruh nyata (P0,05) terhadap pertumbuhan mutlak dan pertumbuhan harian benih ikan lele dumbo (P0,05), namun tidak berpengaruh nyata terhadap kelangsungan hidup (P0,05). Uji lanjut Duncan’s  menunjukkan bahwa perlakuan kontrol (tanpa daun jaloh) dalam pakan memberikan hasil terbaik dari segi pertumbuhan mutlak, pertumbuhan harian dan kelangsungan hidup. Oleh karena itu dapat disimpulkan tepung daun jaloh kurang sesuai sebagai bahan baku alternatif dalam pakan ikan lele dumbo.Kata kunci: Protein; Karbohidrat; Ikan lele; Pakan alternatif
Struktur komunitas Echinodermata pada ekosistem lamun Desa Taula’a Kecamatan Bilato, Kabupaten Gorontalo Hardiyanti Yusuf; Miftahul Khair Kadim
Depik Vol 8, No 3 (2019): December 2019
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (902.102 KB) | DOI: 10.13170/depik.8.3.14288

Abstract

Abstract. Echinodermata is playing an important role in food chains in waters ecosystem; however, there was no report on the Echinodermata structure in the seagrass ecosystem of Taula’a village, Gorontalo district. Hence, the objective of the study was to  to determine the community structure of Echinoderms in the seagrass ecosystem of coastal area of Taula’a village, Bilato, Gorontalo regency. The research was conducted from January to April 2019. There were 3 observation stations chosen purposively. The sample of Echinoderms was observed at low tide using methods of quadrats and transects of 1×1 m. In addition, the water parameters were also measured i.e the temperature, the salinity, the pH, the water depth, the substrate and the water flow. Furthermore, diversity, dominanc and Evenness index were analyzed using software PAST 3.22. The results showed that there were 13 species of Echinoderms representing 4 classes, namely Ophiuroidea, Asteriodea, Echinodea dan Holothuroidea in which the highest total abundance was on 1st station and the lowest total abundance was on the 2nd station.  The index of diversity was in the medium category, the index of domination was in the low category, the index of evenness showed an equitable distribution and the index of uniformity was very high.Keywords : Echinoderms, community, seagrass, Past 3.22 Abstrak. Echinodermata memiliki peranan penting dalam rantai makanan pada ekosistem laut, namun demikian struktur komunitasnya di ekosistim lamun Desa Taula’a Kabupaten Gorontalo belum pernah dilaporkan. Oleh karena itu peneilitan ini bertujuan  untuk mengetahui struktur komunitas Echinodermata pada ekosistem lamun di wilayah pesisir Desa Taula’a, Bilato Kabupaten Gorontalo. Penelitian dilaksanakan pada bulan Januari hingga April 2019. Terdapat 3 stasiun pengamatan yang dipilih secara purposive. Pengamatan sampel Echinodermata dilakukan pada saat surut dengan menggunakan transek kuadran 1×1 m. Selain itu dilakukan juga pengukuran terhadap parameter air yaitu suhu, salinitas, pH, kedalaman, substrat dan arus. Nilai indeks keanekaragaman, indeks dominansi dan indeks kemerataan dianalisis menggunakan software PAST 3.22. Hasil penelitian menunjukkan sebanyak 13 spesies Echinodermata ditemukan yang mewakili 4 kelas yaitu Ophiuroidea, Asteriodea, Echinodea dan Holothuroidea dimana kelimpahan total tertinggi pada stasiun I dan terendah pada stasiun II.  Indeks keanekaragaman kategori sedang, indeks dominasi rendah, indeks kemerataan menunjukkan penyebaran yang merata dan indeks keseragaman yang sangat tinggi. Kata kunci: Echinodermata, komunitas, Lamun, Past 3.22

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