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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
 59   60   61   62   63 
Reducing ammonia levels in catfish cultivation water using several aquatic plants Mustaqim Mustaqim; Mutasar Mustasar; Yusrizal Akmal; Mida Wahyuni; T. Irfan Fajri; Zaitun Ritaqwin
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.3.27723

Abstract

Catfish farming is one of the businesses that is very much in demand by the community, because it can improve the community's economy. However, not all catfish farming businesses can produce maximum results. This can be caused by several factors, both from feed, management and water quality. Decrease in water quality can be caused by feces and fish feed residue. Poor water quality can cause the growth process, physiology and level of fish behavior to be disturbed. Efforts that can be done is to use aquatic plants as phytoremediation. The plants used in this study were Azolla sp, Eichhornia crassipes, Lemna sp, Ipomoea aquatic. The design used in this study was a completely randomized design with 4 treatments and 3 replications. The parameters observed in this study were ammonia levels, pH, and plant population. The results showed that Eichhornia crassipes and Lemna sp were able to reduce ammonia levels in catfish cultured water by 0.01 mg/l at the end of the study.Keywords:AmmoniaWater plantsCatfish
Practical application of sea urchin shell flour supplementation as a stimulant moulting in vannamei shrimp Heriansah Heriansah; Nursyahran Nursyahran; Nursidi Nursidi; Nur Fajriani Nursida; Najamuddin Najamuddin
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 | DOI: 10.13170/depik.10.2.19456

Abstract

The practical application of waste recycling as feed supplement is potentially required by small-scale aquaculturist. Furthermore, some of the flour derived from waste sea urchin shells and in adopted in feed, including Deadema setosum were evaluated to estimate the effect on white shrimp Litopenaeus vannamei moulting. This research required the experimentation of four doses with triplicate supplementation (0, 2, 4, and 6 g 100 g-1 of feed) on shrimps four times daily (12% of body weight) for 35 days test period. The juvenile specimens, characterized by an initial weight of 1.61±0.11 g, were stocked at a density of 12 individuals in a 12 L aquarium. In addition, four compartments were created in each aquarium to facilitate progress observations. The proximate analysis results showed a 53.76±0.27% calcium content in the shell flour, which significantly increased (P0.05) after higher dose supplementation, in the sequential order 18.65±0.13%, 20.04±0.08%, 23.18±0.10%, and 25.04±0.11%. Moreover, the frequency and moulting interval with 4 g doses (16.59%±0.36% day-1 and 5.91±0.18 days-1) were significant (P0.05) and considered the best, compared to 0 g (10.48% ± 0.24% day-1 and 9.97±0.37 days-1), 2 g (13.49%±0.96% day-1 and 8.10±0.29 days-1), and 6 g (13.81%±0.24% day-1 and 7.90±0.06 days-1). In addition, the respective trend pattern for both parameters increased and decreased at 4 g and 6 g, correspondingly. The highest moulting intensity was also obtained with the 4 g doses, at a range of 4 to 6 times, while the lowest (0 g) varied from 3 to 4 times. These sea urchin shell flour was determined to have numerous practical applications as a feed supplement with proven ability to stimulate moulting in vannamei shrimp.Keywords:MoultingCalciumShellSea urchinFeed supplementationVannamei shrimp 
Penilaian tingkat risiko terumbu karang akibat dampak aktivitas penangkapan ikan dan wisata bahari di Pulau Biawak, Jawa Barat Ankiq Taofiqurohman
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 | DOI: 10.13170/depik.2.2.722

Abstract

Abstract. Risk assesment of a habitat and its mappingis considerably important in environment appraisal. Biawak Island is a conservation and touristic area, one of its purpose is to bring positive influence to marine resource, both ecologically and economically. Biawak Island is inhibited by coral reefs, where human activities often occurs. Field survey was held during February 2013 in Biawak Island. The observation purpose was to assess coral reef risk in the islandby comparing three marine activities: fishing, diving, and snorkeling. Spatial modelling showed that every coral reef area in Biawak Island had high risk level, especially the southern part. Euclidean calculation result indicated that fishery had been the most influential activity toward coral reef habitat in Biawak Island.Keyword: Biawak Island; Coral reef; Risk assessment. Abstrak . Penilaian risiko terhadap suatu habitat dan pemetaannya sangat penting dalam penilaian keadaan lingkungan. Pulau Biawak merupakan daerah konservasi dan pariwisata, yang salah satu tujuannya adalah untuk memberikan dampak positif pada sumber daya laut baik ekologi maupun ekonomi. Pulau Biawak dikelilingi oleh terumbu karang dan banyak aktivitas manusia terjadi pada terumbu karang tersebut.Survey lapangan telah dilaksanakan pada bulan Februari 2013 di Pulau Biawak. Penelitian ini bertujuan untuk menilai risiko terumbu karang di Pulau Biawak, dengan membandingkan tiga aktivitas kelautan yaitu penangkapan ikan, menyelam dan snorkeling. Pemodelan spasial menunjukan bahwa semua kawasan terumbu karang di Pulau Biawak pada tingkat kondisi risiko tinggi, terutama di daerah selatan. Hasil perhitungan Euclidean menunjukan bahwa kegiatan penangkapan ikan memberikan dampak yang paling tinggi terhadap habitat terumbu karang di Pulau BiawakKata kunci: Pulau Biawak; Terumbu karang; penilaian risiko.
Penambahan mineral kalsium dari cangkang kepiting bakau (Scylla serrata) pada pakan terhadap pertumbuhan dan kelangsungan hidup udang galah (Macrobrachium rosenbergii) Fajar Fajri; Azwar Thaib; Lia Handayani
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 | DOI: 10.13170/depik.8.3.12090

Abstract

Abstract. Mud crab shell is one of the most fisheries waste can be utilized as calcium source because it contains lots of calcium carbonat. Utilizing of crab shells flour in fed is important applied as calcium supplements to freshwater prawn. The purpose of this research is to knows the effects of calcium addition from mud crab shells on fed to increase the growth rate, survival rate and moulting frequency freshwater prawn. The research has been done during 70 days in fisheris Laboratory, Abulyatama University. Result of the research shows that two percents calcium addition on fed give higher growth rate value, survival rate value and moulting frequency value than other treatments and were not added calcium on fed. The average of freshwater prawn growth rate are treatment A (0% CaO)= 1.20 g, B (1% CaO) = 1.41 g, C (2% CaO) = 1.92 g, D (3% CaO) = 1.77 g. The average of freshwater prawn survival rate result shown by treatment A = 75 %, B = 91,1 %, C = 91,1 %, and D = 89 %. The moulting frequency value results shown by treatment A = 1,06 ; B = 1,22; C = 1,57 and D = 1,34. Keywords : Calcium, Freshwater Prawn, Macrobranchium rosenbergii, Moulting Abstrak. Cangkang kepiting bakau merupakan salah satu limbah perikanan yang dapat dimanfaatkan sebagai sumber kalsium karena cangkang kepiting mengandung kalsium karbonat tinggi. Pemanfaatan tepung cangkang kepiting pada pakan adalah sebagai suplemen. Tujuan dari penelitian ini untuk mengetahui pengaruh penambahan mineral kalsium dari cangkang kepiting bakau pada pakan untuk meningkatkan laju pertumbuhan, kelangsungan hidup dan frekuensi molting udang galah. Penelitian ini dilakukan selama 70 hari di laboratorium perikanan, Universitas Abulyatama. Hasil dari penelitian menunjukkan bahwa penambahan 2 % kalsium pada pakan memberikan hasil tertinggi untuk laju pertumbuhan, kelangsungan hiidup dan frekuensi molting udang galah dibanding perlakuan lain. Nilai rata-rata pertumbuhan udang galah tiap perlakuan adalah sebagai A (0% CaO) = 1,20 gr, B (1% CaO) = 1.41 gr, C (2% CaO) = 1.92 gr dan D (3% CaO) = 1,77 gr. Sedangkang nilai rata-rata kelangsungan hidup udang galah adalah A = 75 %, B = 91,1 %, C =91,1 % dan D = 89 %. Nilai ata-rata frekuensi molting udang galah selama pemeliharaan pada tiap perlakuan adalah A = 1,06 kali/ekor, B = 1,22 kali/ekor, C = 1,57 kali/ekor dan D = 1,34 kali/ekor. Kata kunci: Kalsium, Macrobranchium rosenbergii, Moulting, Udang Galah
Ekstrak daun Avicennia marina sebagai anti jamur pada telur ikan mas, Cyprinus carpio (Avicennia marina leaf extracts as an anti fungal for common carp, Cyprinus carpio eggs) Sofyatuddin Karina; Irma Dewiyanti; Mawardah Mawardah
Depik Vol 5, No 3 (2016): December 2016
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.5.3.5573

Abstract

The objective of this research was to determine the effect and the optimum concentration of Avicennia leaf extracts on prevalence, hatching rate and hatching time of common carp eggs (Cyprinus carpio) that infected by Saprolegnia sp. The research was conducted at Balai Benih Ikan (BBI) Lukup Badak, Aceh Tengah District in June 2016. The completely randomized design was used as statistical analysis method in this study with five treatments and 4 replications. The fertilized eggs of common carp were infected by Saporolegnia sp. then treated by immersing in the extract. The treatments were the different concentrations of extract, namely; 0, 5, 10, 15 and 20 ppm. The result of ANOVA test showed that the extract Avecenia leaf extracts gave the significant effect on the prevalence, hatching rate and hatching time of common carp eggs (P0.05). The best results for all parameters were recorded at the concentration of 10 ppm. Therefore, it is concluded that the optimum concentration is 10 ppm. Penelitian ini bertujuan untuk mengetahui pengaruh dan konsentrasi optimum ekstrak daun Avicennia marina terhadap prevalensi, daya tetas serta waktu tetas telur ikan mas (Cyprinus carpio) yang terinfeksi Saprolegnia sp. Penelitian dilakukan di Balai Benih Ikan (BBI) Lukup Badak, Kab. Aceh Tengah pada bulan Juni 2016. Analisis statistik menggunakan metode Rancangan Acak Lengkap (RAL) dengan 5 taraf perlakuan dan 4 kali ulangan. Sampel yang digunakan adalah telur ikan mas yang telah terbuahi dan terinfeksi dengan jamur Saprolegnia sp. kemudian direndam dengan ekstrak. Perlakuan yang dilakukan meliputi perlakuan konsentrasi ekstrak yaitu: 0, 5, 10, 15, 20 ppm. Hasil uji ANOVA menunjukkan bahwa ekstrak daun Avicennia marina berpengaruh nyata (P0,05) terhadap prevalensi serangan jamur, daya tetas serta waktu tetas telur ikan mas. Nilai terbaik untuk semua parameter yang diukur ditemukan pada konsentrasi 10 ppm ekstrak. Oleh karena itu disimpulkan bahwa konsentrasi yang optimum untuk telur ikan mas adalah 10 ppm.
The combination of Lactobacillus sp. and turmeric flour (Curcuma longa) in feed on growth, feed conversion and survival ratio of Litopenaeus vannamei Boone, 1931 Akhmad Mulyadi; Iin Siti Djunaidah; Sinung Rahardjo; Agung Setia Batubara
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.11.2.25837

Abstract

White shrimp (Litopenaeus vannamei) cultivation activities have developed rapidly in Indonesia. White shrimp aquaculture which is carried out intensively with high stocking densities has caused several problems, such as low survival and suboptimal growth. This study aimed to increase the growth, feed conversion, and survival of white shrimp through a combination of probiotics (Lactobacillus sp.) + turmeric flour (Curcuma longa) in feed. The method used in this study was Completely Randomized Design (CRD) with four treatment levels and three replications. The results revealed a significant effect (P0.05) on the value of the daily growth rate (DGR), absolute growth rate (AGR), specific growth rate (SGR), survival rate (SR), feed conversion ratio (FCR), and feed efficiency (FE), but no significant effect (P0.05) on the value of the absolute length rate (ALR). Giving probiotics 10 ml+5 g turmeric flour/kg feed (treatment B) was the best treatment for white shrimp aquaculture, including DGR, AGR, ALR, LPS, SR, FCR, and FE values. Furthermore, the results also revealed that increasing the concentration of turmeric flour in the feed, was negatively correlated to the growth and survival of white shrimp.
Kajian kualitas air laut di perairan Kota Banda Aceh Koko Ondara; Ulung Jantama; Sri Agustina; Ichsan Setiawan; Syahrul Purnawan
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.9.3.16981

Abstract

Studying the water quality is significant to protect and for coastal area-use planning in Banda Aceh City, Aceh Province. This study took seawater samples from 13 stations in the northern waters of Banda Aceh on September 10-11 2019. Surface water samples were taken using Van Dorn bottle, which were then tested on 22 types of parameters to evaluate the water quality in the area. In general, the results of tests on various water parameters indicate that the sea waters in Banda Aceh are in good condition. Attention needs to be paid to nitrates and phosphates, which indicate values that exceed water quality standards, thus possible to trigger algal blooms.Keywords:Water qualityNitrateFisheryABSTRAKKajian kualitas air sangat penting untuk melindungi serta untuk perencanaan pemanfaatan ruang pesisir di Kota Banda Aceh, Provinsi Aceh. Penelitian ini mengambil sampel air laut dari 13 stasiun yang di perairan utara Banda Aceh pada 10 – 11 September 2019. Sampel air permukaan laut diambil menggunakan botol Van Dorn, yang kemudian dilakukan uji terhadap 22 jenis parameter untuk mengevaluasi kualitas air di perairan utara Kota Banda Aceh. Secara umum, hasil pengujian pada berbagai parameter air menunjukkan bahwa air laut di Banda Aceh dalam kondisi baik. Perhatian perlu diberikan pada kadar nitrat dan fosfat, yang menunjukkan nilai yang melebihi baku mutu air, dimana memungkinkan untuk memicu pertumbuhan alga yang berlebihan di kawasan tersebut.Kata kunci:Kualitas perairanNitratPerikanan
Kajian pendahuluan analisis peramalan thunderstorm untuk penyusunan indeks dasar adaptasi kegiatan pertambakan (Suatu tinjauan meteorologi di Jakarta) Yopi Ilhamsyah
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.1.1.27

Abstract

Abstract. A meteorological prespective to analyze the Thunderstorm forecasting in Jakarta has been done. The principal indices to be adapted in a fishpond were also arranged in the study. Storms in Jakarta, so-called as Ordinary Cell Thunderstorms, are frequently arose in the afternoon, particularly during transition period on March-May and September-November in which many of them are triggered by different in surface heating. The latter emerged to an atmospheric instability and force the air parcel to rise through the atmosphere. RAOB was employed to the forecasting of Thunderstorm. A number of such indices as K and Showalter indices as well as CAPE are produced and applied to forecast the conditional instability of the troposphere. The result showed that the extension of inversion layer in ~500–300 hPa implied the shrink of humidity and might strength the convective instability. In addition, the higher amount of CAPE proved the maximum velocity of updraft which lead to a strong convection and vertical wind shear during Thunderstorm in Jakarta. On the other hand, based on the storm indices, three principal indices adapted in a fishpond were also arranged i.e. normal, moderate and risk condition.Keywords. Thunderstorm, Storm indices, Fishpond adaption
Tipe sedimen di Perairan Pantai Anoi Itam Kota Sabang Syahrul Purnawan; Najwan Ihsan; Ichsan Setiawan; Syarifah Meurah Yuni
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.7.1.10294

Abstract

Abstrak. Tujuan dari penelitian ini untuk mengetahui distribusi sedimen dan penyebaran sedimen di Perairan Pantai Anoi Itam Sabang. Sampel sedimen permukaan diambil pada Bulan April 2017 dari sepuluh stasiun yang tersebar di sepanjang daerah intertidal. Tubecore berdiameter 2,5 inch diaplikasikan untuk mengambil sedimen hingga ketebalan 20 cm dari permukaan. Semua sampel dianalisis menggunakan saringan bertingkat dengan menggunakan metode ayak basah. Persentase kehadiran yang tinggi banyak dijumpai pada ayakan berukuran 1φ atau fraksi pasir kasar, sejalan juga dengan hasil analisis rataan ukuran butiran menunjukkan kisaran pada rentang pasir kasar, hanya stasiun 6 yang rataannya berada pada rentang pasir kasar (coarse sand). Tipe sedimen yang dijumpai adalah pasir sedikit berkerikil (Slightly Gravelly Sand) dan pasir berkerikil (Gravelly Sand).Kata Kunci: Pantai Anoi Itam, Sedimen, Distribusi Sedimen
Perbandingan jumlah bak budidaya cacing sutra (tubificidae) dengan memanfaatkan limbah budidaya ikan lele (clarias sp) sistem intensif terhadap kualitas air ikan lele dan produksi cacing sutra Eddy Supriyono; Dedi Pardiansyah; Diana Sriwisuda Putri; Daniel Djokosetianto
Depik Vol 4, No 1 (2015): APRIL 2015
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.1.1.2279

Abstract

Abstract. This objective of the research was to compare the number of blood worm production using catfish cultivation waste, while the water from catfish cultivation flowed to blood worm cultivation with recirculate system. This research were used 3 treatments and 2 replications, the treatment was  2, 4 and 6 containers of blood worm. The results showed that the highest water quality and biomass was 6 containers treatment with 1.4 kg m-2 weight gain.Keywords: Catfish; silk worm; waste intensive farming. Abstrak. Penelitian ini bertujuan untuk menganalisa perbandingan jumlah bak budidaya cacing sutra dengan memanfaatkan limbah budidaya lele sistem intensif terhadap kualitas air ikan lele dan produksi cacing sutra, dimana air dari media budidaya ikan dialirkan ke media pemeliharaan cacing sutra  dengan sistem resirkulasi. Penelitian ini menggunakan rancangan acak lengkap dengan 3 perlakuan dan 2 ulangan, perlakuan yaitu Pemanfaatan 2 bak, 4 bak dan 6 bak cacing sutra. Hasil penelitian menunjukkan bahwa perbaikan kualitas air budidaya lele dan produksi bobot biomassa tertinggi pada perlakuan 6 bak  dengan pertumbuhan berat sebesar 1,4 Kg m-2.Kata kunci: ikan lele; cacing sutra; limbah lele

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