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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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Pengaruh getah pepaya (Carica papaya) terhadap sintasan tokolan udang windu (Panaeus monodon) pada kepadatan yang berbeda selama pengangkutan Wahyu Tursina; Sofyatuddin Karina
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.2.1.585

Abstract

Abstract. The objective of present study was to evaluate the possibility of  papaya’s latex (Carica papaya) as anti stress or larvaside for tiger shrimp (Panaeus monodon) post larvae Pl 14-30 during transportation. The tiger shrimp post larvae was collected from BBAP Ujung Batee, Aceh Besar on September, 2012. Reseach method used the completely random design with two factors, density of post larvae with three treatments (1000; 1500 dan 2000 ind/l) and concentration of papaya’s latex with four treatments (0; 100; 200 dan 300 ppm) and three replications for each treatments. The effect of papaya’s latex on tiger shrimp post larvae was observed by calculating the percentage of post larvae’s survival rate. The calculation was only done after twelve hours of transportation, due to the everage of survival rate percentage of post larvae on all levels of density was less than 50%.  The ANOVA test showed that  the density and the concentration factors gave significance effect on survival rate of tiger shrimp post larvae (P0,05). The results showed that survival rate of tiger shrimp post larvae (PL 14-30) were decreased with increasing of larvae density and concentration of papaya’s latex.  However, Duncan’s test showed that the highest survival rate was obtained at 1.000 ind/l  and 0 ppm of papaya’s latex. Hence, the effect of papaya’s latex concentration treatments in this study was larvaside on tiger shrimp post larvae.Key words: Closed transportation system, dissolved oxygen, enzyme papain, tiger shrimp post larvae. 
Hubungan panjang-berat ikan monacanthus cinensis dan acreichthys tomentosus di Pulau Fair, Tual, Maluku Tenggara Bayu Kumayanjati; Teddy Triandiza; Agus Kusnadi
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.8.2.10629

Abstract

Abstract. Length-weight relationship analysis is used to determined the pattern of the growth for the fish. Based on this knowledge, field study have been done at the Fair island waters, the district of Tual, in April, June and August 2014, to collect data length and weight of Monacanthus cinensis and Acreichtys tomentosus. The length of the fish is measured using a digital caliper with an accuracy of 0.01 mm and weighed using an analytical balance precision balance ACS - AD 300 with an accuracy of 0.01 g. The number of fish samples analyzed were 288 for M. cinensis and 270 for A. tomentosus, respectively. Based on the analysis of length-weight relationship and condition factor, M.cinensis and A.tomentosus have the same growth pattern, i.e., negative allometric, with b values 2.505 and 2.3195 (b 3), respectively.Value of condition factor were 1.083 - 3.379 for M. cinensis and 1.003 - 4.106 for A. tomentosus, both fish were included in the category of fish that have a slightly flattened body.Keywords: Monacanthus cinensis, Acreichthys tomentosus, length-weight relationship, growth pattern, Fair Island Abstrak. Analisa hubungan panjang berat ikan merupakan analisa untuk mengetahui pola pertumbuhan ikan. Adapun penelitian ini dilakukan pada ikan Monacanthus cinensis dan Acreichthys tomentosus pada bulan April, Juni dan Agustus 2014 di perairan Pulau Fair, Tual, Maluku Tenggara. Ikan hasil tangkapan diukur panjangnya menggunakan digital caliper dengan ketelitian 0,01 mm, dan beratnya menggunakan timbangan analitik ACS precision balance-AD 300 dengan ketelitian 0,01 g. Jumlah ikan sampel yang dianalisa masing-masing sebanyak 288 ekor untuk M. cinensis dan 270 ekor untuk A. tomentosus. Berdasarkan analisa hubungan panjang berat dan faktor kondisi, M. cinensis dan A. tomentosus memiliki pola pertumbuhan yang sama yaitu alometrik negatif dengan nilai b masing-masing sebesar 2,505 dan 2,3195 (b3). Nilai faktor kondisi (Kr) untuk kedua jenis ikan tersebut masing-masing berkisar antara 1,083 – 3,379 untuk ikan M. cinensis dan 1,003 – 4,106 untuk A. tomentosus, keduanya termasuk dalam kelompok ikan yang memiliki bentuk badan yang agak pipih.Kata Kunci: Monacanthus cinensis, Acreichthys tomentosus, hubungan panjang berat, pola pertumbuhan, Pulau Fair
Morfometri Danau Kelapa Gading Kota Kisaran, Kabupaten Asahan Provinsi Sumatera Utara Rizki Ridoan; Ahmad Muhtadi; Pindi Patana
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.5.2.4913

Abstract

Abstract. Kelapa Gading Lake is an artificial lake located in Asahan of North Sumatera. Data on the lake morphometry is needed to determin the level of water fertility, and to know ability of lake in accepting the pollutant load. The purpose of the study was to examine aspects of the lake morphometry. The research was conducted from February to April 2016. Data collected in this research were depth, water flow, the width of the lake and around the lake. The data were processed using ArcMap. The result showed that Kelapa Gading Lake has an area approximately 11931.37 m2, with the maximum length of 161.14 m, a the maximum width of 124.72 m, and the circumference of 688.50 m. The maximum depth of 2.15 m, with the shape of the lake bottom is flat. The water volume is approximately  15033.52 m3, and the water discharge of about 0.74 to 0.92 L s-1, with a stay of lake water ± 225-226 days, the brightness of the water ranges from 0.37 to 0.48 m with the compensation depth of about  0.98 to 1.07 m, and Kelapa Gading Lake has low stability.Keywords: ArcMap, bathymetric, compensation depth, lake, morphometry Abstrak. Danau Kelapa Gading merupakan danau buatan yang berada di Kabupaten Asahan, Sumatera Utara. Data mengenai morfometri danau sangat diperlukan untuk menentukan tingkat kesuburan perairan dan juga mengetahui seberapa besar kemampuan danau dalam menerima beban pencemar. Tujuan dari penelitian ini untuk mengetahui aspek morfometri danau Kelapa Gading. Penelitian ini dilaksanakan dari Februari-April 2016. Pengambilan  data yang dilakukan dalam penelitian ini adalah data kedalaman, debit air, lebar danau, dan keliling danau. Data-data tersebut diolah dengan menggunakan ArcMap. Hasil penelitian menunjukkan bahwa Danau Kelapa Gading memiliki luas sekitar 11.931,37 m2, dengan panjang maksimum 161,14 m, lebar maksimum 124,72 m, keliling 688,50 m. Kedalaman maksimum 2,15 m, dengan bentuk dasar danau rata. Volume Danau Kelapa Gading adalah 15.033,52 m3, debit air sekitar 0,74-0,92 L/s, dengan masa tinggal air danau ±225-226 hari, kecerahan air berkisar 0,37-0,48 m dengan kedalaman kompensasi sekitar 0,98-1,15 m, dan Danau Kelapa Gading memiliki stabilitas yang rendah dan akan mudah mengalami pengadukan.Kata kunci: ArcMap, batimetri, danau, kedalaman kompensasi, morfometri
Biological Aspect of the Grey-eel catfish in Kuala Langsa Estuaries, Aceh Teuku Fadlon Haser; Muh Saleh Nurdin; Fauziah Azmi; Muhammad Fauzan Isma; Suri Purnama Febri; Eddy Supriyono; Siska Mellisa
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.11.2.23498

Abstract

The grey-eel catfish is a highly valued fish species in some parts of Indonesia. The fish is common in brackish water of estuaries, marine and freshwater habitat. They are not are not usually catched in commercial scale because of the limited population in its habitat. Although the status is not evaluated, the fish is predicted facing extinction in several countries. We conducted a study to examine the biological information and reproductive biology of the fish in Kota Langsa to gather information that can be utilize to evaluate reproductive status of the fish in several habitats. Parameters tested in the study includes sex ratio, length-weight relationships, candition factor, size at first maturity fecundity and reproductive potential of the fish. Research results provide information that the fish follows negative allometric model with constant condition factor throughout the study. The catches were relatively young fish which have not reached maturity stage. Fishes in the class sized at 510-550 mm provide the largest contribution to total eggs production. To ensure sustainability of the fish it is advised that the fish must catched at size larger than 550 mm.
Biodiversitas dan sebaran mikroalga berbasis sistem informasi geografis (SIG) di Perairan Selatan Kabupaten Malang, Jawa Timur Umi Zakiyah; Mulyanto Mulyanto
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.9.3.17772

Abstract

The coastal region is a meeting point of land and sea. The coastal area utilization has developed intensively, which causes the sustainability or capacity of coastal ecosystems, and the pollution potential in this area exceeded due to various human activities. This condition affects the existence of microalgae, which play an important role not only in the food chain in the aquatic environment but also in humans at the end. This research was carried out in Sendang Biru Waters, South Malang Regency. The purpose of this study was to map and determine the biodiversity as well as the distribution of microalgae in coastal waters using in situ data. The data were analyzed using geographic information system techniques in the form of microalgae distribution and biodiversity maps. The results showed that the microalgae identified from the genera Chaetoceros and Navicula showing the highest frequency. The biodiversity index value at station 1 was 3,312, at station 2 was 3,184. These values indicate that the Sendang Biru waters were highly diverse in microalgae composition. The results of the temperature-water quality parameters are 27-29 ° C, salinity 32-35 ppt, and pH 7.8-8.2. The range of nitrate nutrients ranges from 0.0142 to 0.082 mg/l, while phosphate from 0.024 to 0.074 mg/l, silica showed values between 1.249 to 1.393 mg/l. Based on the analysis of chlorophyll-a, the range of chlorophyll-a values was between 1.773-1.777 mg/l. All parameters of water quality were classified as suitable for microalgae growth. Therefore, the microalgae biodiversity in this location can still be considered relatively high.Keywords:Coastal AreaBiodiversityMicroalgaeABSTRAKWilayah pesisir merupakan tempat bertemunya daratan dan lautan. Pemanfaatan wilayah pesisir secara intensif mengakibatkan terlampauinya daya dukung atau kapasitas berkelanjutan dari ekosistem pesisir dan meningkatnya potensi pencemaran pada perairan pesisir yang ditimbulkan dari berbagai aktivitas manusia. Pencemaran ini akan mempengaruhi keberadaan mikroalga yang mempunyai peranan penting bukan saja dalam rantai makanan di perairan namun manusia juga pada akhirnya.  Penelitian ini dilakukan di Perairan Sendang Biru, Kabupaten Malang. Tujuan penelitian untuk mengetahui dan memetakan biodiversitas dan sebaran mikroalga di perairan pantai selatan Kabupaten Malang, dengan data in situ. Data dianalisis menggunakan peta yang dihasilkan dari teknik sistem informasi geografis dari biodiversitas dan sebaran mikroalga. Hasil penelitian menunjukkan bahwa mikroalga yang teridentifikasi genus Chaetoceros dan Navicula memiliki kelimpahan tertinggi. Nilai index diversitas pada stasiun 1 adalah 3,312, sedangkan pada stasiun 2 adalah 3,184. Nilai tersebut menunjukkan bahwa mikroalga di perairan Sendang Biru memiliki keanekaragaman tinggi. Hasil parameter kualitas air suhu yaitu 27-29 0C, salinitas 32-35 ppt, dan pH 7,8-8,2. Kisaran nutrien nitrat adalah 0,0142 – 0,082 mg/l, fosfat 0,024 – 0,074 mg/l, dan silica berkisar 1.249 – 1.393 mg/l. Berdasarkan hasil analisis klorofil-a didapatkan kisaran nilai klorofil-a 1,773-1,777 mg/l. Seluruh parameter kualitas air masih tergolong dalam kategori baik untuk kehidupan mikroalga sehingga dapat disimpulkan biodiversitas mikroalga di lokasi penelitian relatif tinggi.Kata kunci:Wilayah PesisirKeanekaragamanMikroalga
Komunitas ikan karang herbivora di perairan Aceh bagian utara Edi Rudi; Nur Fadli
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.1.1.25

Abstract

Abstract. Herbivory reef fish is the most important of fish tropic group in the coral reef ecosystem.Hence, the objective of this study was to provide reliable data and information on herbivory reef fish based on management types in the northern Acehnese reef. Underwater Visual Census Techniques was used to collect the data at 20 sites around Weh Island and Aceh Besar. This study found 32 herbivory reef fishes species from five families in northern Acehnese reef. Densities of herbivory reef fish were varied from 27 to 104 ind./transect,while species numbers were also varied from 6 to 14 species/site. Family Acanthuriidae was the highest in species number, i.e. 19 species. Densities of herbivory reef fish in sites that were protected under the management authority of Sabang Weh Island were not significantly higher compare with sites from open access areas. Keywords: herbivory reef fish, coral reef, visual census technique, Aceh
Tutupan makroalga pada terumbu karang di kawasan konservasi perairan (KKP) Nusa Penida, Bali Muhammad Akhyar Maududi; Oktiyas Muzaky Luthfi
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.7.1.8864

Abstract

The interaction between algae and coral is one of the most important of ecological processes in coral reef ecosystems. They are one of the main food sources in a large number of herbivorous animals in coral reef ecosystems. Makroalgae is also a major competitor in degrading coral reefs at a time when macroalgae gains dominate the coral reefs. Algae growth is relatively very fast, so it can be used as an indicator in the initial study to determine the processes that affect populations and coral reef communities. The purpose of this study is to determine the distribution of macroalgae cover on coral reefs in the Nusa Penida, Bali using the transect quadrant (1x1m2)x 100m method. This study shows that the lowest macroalgae cover at Crystal Bay and the highest in Buyuk can be concluded that the high macroalgae cover is made possible by the large supply of nutrients from the land which becomes the supplier of organic materials that increases the fertility of waters, meanwhile in the waters close to the high seas obtain additional nutrients derived from the lifting of the water mass (upwelling). Data and information are needed for the interest of regional planning towards the future related to the management and utilization of marine resources potential in the coastal area in Nusa Penida, Bali.Interaksi antara alga dan karang merupakan hal terpenting dari proses ekologi pada ekosistem terumbu karang. Mereka merupakan salah satu sumber produsen primer pada sejumlah besar hewan herbivora pada ekosistem terumbu karang. Makroalga juga menjadi pesaing utama dalam mendegradasi terumbu karang pada saat kelimpahaan makroalga mendominasi terhadap terumbu karang. Pertumbuhan alga tergolong sangat cepat, sehingga dapat digunakan sebagai indikator dalam studi awal untuk mengetahui proses yang mempengaruhi populasi dan komunitas terumbu karang. Tujuan dari penelitian ini adalah mengetahui sebaran tutupan makroalga pada terumbu karang di daerah utama wisata penyelaman Nusa Penida, Bali dengan menggunakan metode transek kuadran dengan ukuran (1x1m2) x 100 m. Penelitian ini menunjukan bahwa tutupan makroalga terendah pada Crystal Bay dan tertinggi di Buyuk dapat ditarik kesimpulan jika tingginya tutupan makroalga dimungkinkan oleh besarnya suplai nutrien daratan yang menjadi pensuplai bahan organik yang meningkatkan kesuburan perairan. Sedangkan pada  perairan yang dekat dengan laut lepas mendapat tambahan nutrien yang berasal dari pengangkatan massa air (upwelling). Data dan informasi ini diperlukan untuk kepentingan perencanaan pengembangan wilayah ke depannya yang terkait dengan pengelolaan dan pemanfaatan potensi sumberdaya laut di wilayah pesisir di Nusa Penida, Bali.
Karakteristik dan kandungan mineral pasir pantai Lhok Mee, Beureunut dan Leungah, Kabupaten Aceh Besar Saniah .; Syahrul Purnawan; Sofyatuddin Karina
Depik Vol 3, No 3 (2014): Desember 2014
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.3.3.2176

Abstract

Abstract. The objective of this research was to determine the characteristics and mineral content of coastal sand from  Lhokmee, Beureunut, and Leungah Aceh Besar District. The sand analysis was conducted at Material Laboratory of Mathematics and Natural Sciences Faculty, Syiah Kuala University from March to April, 2014. Samples were collected using purpossive sampling method. The observed physical characteristics of this research were sand color, shape and particle size. The mineral content was analysed using X-Ray Diffraction (XRD) and Joint Committee for Powder Diffraction Standard (JCPDS) program. The result showed that Lhok Mee coastal sand was physically characterized as white, sub-angular rounded shape and 0.21 mm of size, while Beureunut coastal sand was light brown, rounded-well rounded shape and 0.19 mm of size, then Leungah coastal sand was black, angular-well rounded shape and 0.13 mm of size. Based on  mineral content showed that Lhok Mee, Beureunut, and Leungah coastal sand were dominated by SiO3, SO3 and Fe3O4, respectively. All identified minerals at all stations were classified as volcanic minerals of lithogenous sediment. Keywords: Beach sands; Color difference; Mineral content; Shape; Particle size. 
Aquatic environmental characteristic of Singkil Swamp Wildlife Reserve in Aceh Singkil Regency Nur Rohim; Sulistiono Sulistiono; Fredinan Yulianda
Depik Vol 11, No 1 (2022): April 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.1.22863

Abstract

 Singkil Swamp Wildlife Reserve is a peat swamp ecosystem located in Aceh Singkil Regency, Aceh Province. Peat swamp ecosystem has an important function in protecting and balancing water systems, carbon stocks and biodiversity conservation. However, information on the characteristics of the waters of this ecosystem is still not widely known, especially in the area of utilization that is influenced by community activities. This study aims to determine the aquatic environmental characteristics of the Singkil Swamp Wildlife Reserve utilization area covering the physical and chemical parameters of the water and the relationship among those parameters. Sampling was carried out through field observations both in-situ and ex-situ at 5 stations for 3 months (April-June 2021). Observations were made on water quality parameters namely temperature, transparency, depth, current, colour, salinity, water smell, pH, DO, TDS, TSS, conductivity, phosphate and nitrate. Analysis of the data was conducted, namely correlation analysis, PCA (Principal Component Analysis) and CA (Cluster Analysis). The water color was black and the pH was acidic, that is a characteristic of the swamp waters. The results of the measurement of water quality parameters indicate that TDS (13-44 mg/l), TSS (9-236 mg/l), total phosphate (0.01-2.14 mg/l), and nitrate (0.5-25.7 mg/l) were suitable for freshwater aquaculture to support fishery reserve. Based on the clustering of those stations, 5 observation stations were grouped into two different groups, namely cluster 1 with the number of observation stations of 2 stations (Stations 1 and 2) and cluster 2 with the number of observation stations of 3 stations (3, 4 and 5). The parameter values of total phosphate, pH, DO, and nitrate in cluster 1 tend were higher than in cluster 2.Keywords:Peat swampFreshwaterWater quality
Status pencemaran dan kandungan logam berat pada simping (Placuna placenta) di Pesisir Kabupaten Tangerang Anna Rejeki Simbolon; Etty Riani; Yusli Wardiatno
Depik Vol 3, No 2 (2014): August 2014
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.3.2.1455

Abstract

Abstract. The objective of study was to analyze the status of water pollution and heavy metal content on water, sediment and scallop in Tangerang Coastal Waters. The Storet index method was used to determine the status of pollution. Sampling was conducted for three times at two months interval. The content of heavy metals in water, sediment and scallop analyzed descriptively based on the applicable regulations. The results showed that the status of Tangerang Coastal Water was classified as moderate and hight polluted. The content of Pb in scallop from Cituis Coastal has been exceeded the quality standards established by BPOMand WHO, so it is not sutible to consump.Keywords: pollution status; heavy metals; P.placenta; Tangerang Coastal Waters. Abstrak. Penelitian ini bertujuan untuk menganalisis status pencemaran perairan di Pesisir Kabupaten Tangerang dan kandungan logam berat pada air, sedimen dan simping di Pesisir Kabupaten Tangerang. Metode yang digunakan untuk mengetahui status pencemaran yaitu dengan metode indeks Storet. Pengambilan sampel dilakukan selama tiga kali dengan interval waktu dua bulan. Kandungan logam berat di air, sedimen dan simping dianalisis secara deskriptif berdasarkan peraturan yang berlaku. Hasil penelitian menunjukkan bahwa status perairan Pesisir Kabupaten Tangerang tergolong tercemar sedang hingga berat. Kandungan logam berat Pb pada simping di Perairan Cituis telah melampaui baku mutu yang ditetapkan baik menurut BPOM tahun 2009 maupun WHO, sehingga tidak baik untuk dikonsumsi.Kata kunci: Status pencemaran; Logam berat;P.placenta;Pesisir Kabupaten Tangerang

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