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Ichsan Setiawan
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+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
Analysis of heavy metal content and microbiological quality of fish and giant prawns chatch in Percut Watershed, Percut Sei Tuan District, Province of North Sumatra Zulaika Haddis Nasution; Elisa Julianti; Dwi Suryanto
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.11.2.25277

Abstract

The purpose of this research was to determine the content of heavy metals and microbiological quality, and compare to the requirements of the quality standard values according to SNI 2729:2013 and SNI 2705:2014, as well as to determine the value of the Bioaccumulation Factor (BAF) and the maximum consumption limit of fish and giant prawns heavy metal-concentrated. This researh used survey and random sampling methods, i.e  taking research samples (tilapia, broom fish, and giant prawns) at 3 (three) observation stations, including Station 1 Amplas, Station 2 Denai, and Station 3 Percut. Heavy metal content (Pb and Cd) and microbiological quality (E.coli and Salmonella, sp) were analysed. Data analysis was done by inference and calculated using Microsoft office Excel (Microsoft Inc., USA) descriptively. The results showed that all samples in each observation did not meet the quality standard value requirements according to SNI 2729:2013 and SNI 2705:2014. The average heavy metal content of Lead (Pb) was 0,3 mg/kg in tilapia and broom fish, and 0,5 mg/kg in giant prawns. The content of heavy metal Cadmium (Cd), were 0,1 mg/kg in tilapia and broom fish, and 0,5 mg/kg in giant prawns. All samples also showed positive in containing E.coli and Salmonella, sp. The value of Bioaccumulation Factor (BAF) of heavy metals (Pb and Cd) in all samples was 1, meaning that the sample's ability to accumulate heavy metals (Pb and Cd) was high. The maximum limit for consumption of concentrated samples of heavy metals in tilapia was 0,196 kg/week, broom fish was 0,221 kg/week, and giant prawns was 0,203 kg/week.
Identifikasi lokasi untuk pengembangan budidaya keramba jaring apung (KJA) berdasarkan faktor lingkungan dan kualitas air di perairan pantai timur Bangka Tengah Junaidi M. Affan
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.1.1.30

Abstract

Abstract. Waters of the east coast of Bangka Regency has higher potency for development of mariculture livelihood. The Geographic Information Systems (GIS) can be used to determine the suitable location for these activities. Spatial analysis on every measured parameters were conducted and then its overlay to determine the feasibility of locations. The suitability location was categorized into four levels i.e very suitable, moderately suitable, suitable with conditions, and not suitable. The results showed that there are at least 127,746 ha of areas have potency for mariculture location, of these 122,950 ha (96.25%) are very suitable and suitable, while 4796 ha (3.75%) are moderately suitable for fish farming. However, based on field verification, about 8.627 ha of areas are recommended for fish mariculture developement, this is situated at Pulau Ketawai Island, Pulau Panjang dan Pulau Bujur.Key Words : Geographic Information Systems, overlay, fish, mariculture, and cage
Pola kemunculan ikan nike (Gobiidae) di Perairan Teluk Gorontalo, Indonesia Nuralim Pasisingi; Suprapty Abdullah
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.7.2.11442

Abstract

Nike fish is one of the fish species found in Gorontalo known to belong to the Gobiidae group. Nike is fishing intensively by local fishermen without considered sustainability aspect. Unfortunately, the comprehensive scientific data for the management purposes of nike fish was not yet available. Therefore, this study aims to assess the period of occurrence of nike fish in the Gorontalo Bay as the initiation of providing scientific information that supports sustainable management goal. Sampling was conducted from March to June 2018 using fish net. The results showed that the period of occurrence of nike fish every month starting from the bay area and move toward the estuary. The emergence of nike fish that began in the eastern part of Gorontalo Bay occurred in March, April, and May 2018. While the appearance of nike fish that started from the western area of the bay occurred in June and July 2018. It was concluded that the duration of occurrence of nike fish in the Gorontalo Bay occurs for 3 to 9 days at the end of the lunar phase.Nike merupakan salah satu spesies ikan yang ditemukan di Perairan Gorontalo yang dikenal berasal dari kelompok gobiidae. Kegiatan eksploitasi ikan nike oleh nelayan belum mempertimbangkan aspek kelestariannya di perairan berpotensi mengancam keberlanjutannya di perairan. Data ilmiah dan komprehensif yang dapat dijadikan acuan pengelolaan ikan nike belum tersedia. Oleh karena itu, penelitian ini bertujuan untuk memetakan periode kemunculan ikan nike di perairan Teluk Gorontalo sebagai inisiasi penyediaan informasi ilmiah yang mendukung arah pengelolaan yang berkelanjutan. Pengambilan sampel ikan di Perairan Teluk Gorontalo dilakukan pada Bulan Maret sampai Juni 2018 dengan menggunakan jaring ikan. Hasil penelitian menunjukkan bahwa periode kemunculan ikan nike setiap bulan dimulai dari area teluk dan begerak ke arah muara. Kemunculan ikan nike yang dimulai di perairan Teluk Gorontalo bagian timur terjadi pada bulan Maret, April, dan Mei 2018. Sedangkan kemunculan ikan nike yang dimulai dari area barat teluk terjadi pada bulan Juni dan Juli 2018. Secara keseluruhan, durasi kemunculan ikan nike di perairan Teluk Gorontalo terjadi selama 3 sampai 9 hari di fase bulan akhir menjelang bulan baru.
Identifikasi komponen harmonik di Selat Lombok berdasarkan data arus time series Rizal Fadlan Abida; Widodo Setiyo Pranowo; Yogo Pratomo; Engki Andri Kisnarti
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.1.1.2361

Abstract

Abstract. Lombok Strait is one part of Indonesia Through Flow (ITF), important for national and international maritime economic. The strait is passed by ITF, i.e., a displacement water from the Pacific Ocean into the Indian Ocean caused by a difference in the sea water level. ITF flows across the Makassar Strait to south direction and passes through the smaller straits along Bali to Flores. ITF pattern is influenced by its local area condition which creates unique characteristics in each place. ITF passes through the Lombok Strait in part directly related to the Indian Ocean, as well as a very diverse state bathymetry of shallow ocean to ocean trenches. Various oceanographic phenomena affect ITF in the Lombok Strait: tides and waves are formed due to the interaction between the ocean currents from the Indian Ocean to the Lombok Strait, met with ITF flowing from the Lombok Strait into the Indian Ocean. As tides, currents are influenced by the tides that have harmonic components, but there are differences in the frequency and phase are formed. Harmonic component is one of indicators in determining the characteristics of a body of water. The purpose of this study is to obtain the derived harmonic components by analysing currents data in the Lombok Strait acquired from The International Nusantara Stratification and Transport (INSTANT) Expedition Mooring Deployment 1 conducted in 2004 to 2005. Based on the analysis it is known that the characteristic harmonic currents in the Lombok Strait is influenced by significant harmonic components such as Solar Semi Annual (SSA) and Solar Annual (SA)constituents be used, as the result of harmonic analyses of tidal data at ports all over the world reveal that they are dominated by the seasonal variations of sun.Keywords : ITF; Sea Current; Harmonic Component; INSTANT ExpeditionAbstrak. Selat Lombok merupakan salah satu alur lintas kepulauan Indonesia (ALKI) yang penting bagi perekonomian maritim nasional dan internasional, sekaligus sebagai alur dari arus lintas Indonesia (Arlindo). Arlindo merupakan peristiwa perpindahan masa air dari Samudera Pasifik menuju Samudera Hindia, yang disebabkan oleh perbedaan ketinggian air laut. Jalur Arlindo melintasi Selat Makasar menuju selatan, kemudian terbagi melewati selat-selat yang lebih kecil diperairan Bali hingga Nusa Tenggara Timur. Pola Arlindo dipengaruhi keadaan perairan setempat yang dilewatinya, sehingga Arlindo memiliki karakteristik yang unik pada masing-masing tempat. Pada Selat Lombok yang berhubungan langsung dengan Samudera Hindia,  fenomena oseanografi mempengaruhi ARLINDO di Selat Lombok diantaranya adalah pasang surut dan internal wave yang terbentuk karena interaksi antara arus laut dalam yang berasal dari Samudera Hindia menuju Selat Lombok. Arus pasut memiliki komponen harmonik seperti gaya pembangkitnya, namun terdapat perbedaan pada frekuensi dan fasa yang terbentuk. Komponen harmonik pasut dan arus pasut merupakan salah satu indikator dalam penentuan karakteristik suatu perairan. Tujuan dari penelitian ini adalah untuk memperoleh besaran komponen harmonik yang diturunkan dari arus di Selat Lombok dari Ekspedisi INSTANT Mooring Deployment 1 yang dilaksanakan pada tahun 2004 hingga 2005. Berdasarkan analisis harmonik diketahui bahwa karakteristik arus di Selat Lombok dipengaruhi oleh komponen harmonik signifikan seperti Solar Semi Annual dan Solar Annual yang merupakan komponen yang dipengaruhi oleh pergerakan matahari secara paruh tahun maupun tahunan.Kata kunci : Arlindo; Arus Laut; Komponen Harmonik; Ekspedisi INSTANT
Modification of togok (tidal trap) for reducing bycatch by using BRD vent Nofrizal Nofrizal; Muhamad Mauliddin; Romie Jhonnerie
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.11.3.26067

Abstract

One effort to reduce bycatch in togok is to modify the togok by creating a vent to reduce bycatch by BRD. The BRD installed on the togok was a rope BRD vent made of Polyethelene (PE) with a diameter of 2 mm. The rope BRD vent is attached to the top of the cod-end as an escape vent 25 x 50 cm. The escape vent and the stash cod-end are covered with a net with a mesh size of 5 mm. The cover net aims to collect data on fish catches that pass through the rope BRD vent. The percentage of fish that pass through the rope BRD vent can be calculated, and measure the size of the fish caught in the cod-end and covered as an indicator of the effectiveness of the rope BRD vent on togok. This experiment was carried out for 20 days of fishing operation and 40 hauls. The results showed that the catch of togok without rope BRD vent (conventional) and togok with modified rope BRD vent were different (p 0.05), where the catch of conventional togok was 468.34 kg, and the catch of modified togok was 305.235 kg. The fishing catches in the cod end and cover sections the most are bycatch with 51% and 54% of the percentage of the total catch, and the least in the cod end is the discarded catch, which is 21% of the percentage of the total catch and on the cover is the main catch (main catch) with 19% of the percentage of the total catch.The average size of the catch of togok species of fish is there are many immature sizes, and the average size of the catch of togok species of shrimp is there are in maturity size.Keywords:BycatchBycatch excluder device (BRD)DiscardMain catch 
In vivo test of Litopenaeus vannamei infected by Vibrio using Moringa oleifera leaf extract Iko Imelda Arisa; Cut Mutia; Sri Agustina; Nurfadillah Nurfadillah; Sofyatuddin Karina
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.10.2.17510

Abstract

This study aimed to determine the optimal concentration of Moringa oleifera leaf extract as an antibacterial agent on Litopenaeus vannamei larvae that are infected by Vibrio sp.. It was conducted in 15 March - 15 April 2019 at PT. Global Gain Superior Seeds, Pantai Cermin, North Sumatera. The research used a completely randomized design (CRD) method with five treatments and four replications. The shrimps infected by Vibrio sp. were immersed into M. oleifera leaf extract in various concentration of (A) 0 ppm, (B) 400 ppm, (C) 600 ppm, (D) 800 ppm, and (E) 1000 ppm for ±15 minutes. The size of shrimp used was post-larvae 8 (length of 3.5-5 mm/ind). The best performance results of vannamei shrimps were obtained in treatment E (1000 ppm), namely length growth of 16.75 ± 1.16 cm, weight growth of 0.92 ± 0.89 g and survival rate of 91±7.87%.Keywords:Moringa oleiferaVibrio sp.Immersion
Uji kadar formalin, kadar garam dan total bakteri ikan asin tenggiri asal Kabupaten Sarmi Provinsi Papua Yenni Y. Salosa
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.2.1.543

Abstract

Abstract.  Food safety is depending on the accurence of a dangerous fisical, chemical and microbiology components. Quality of food with healty and a complete safe nutrient is the most important things in the food material. Because of food that consume influencing people brain and health. The aim of this research was  to determine the content of formaldehyde, salt and Total Plate Count of bacteria in the  tenggiri salty fish from Sarmi Papua. Formsaldehyde was indentificated by using cromatofat acid method as qualitative and spectrophotometer as quantitative method. Choman method was used to analize salt content. Total Plate Count (TPC) was used for bacterial content analysis. The result showed that Tenggiri salty fish from Sarmi is not contain formaldehyde. About 9.76 % to 16.31 % of salt contant and approximately 24.5 x 10- 5- 49.5 x 10 5 colony/gram of bacterial in total.  This conclude that Tenggiri salty fish have already contaminated by bacterial because it’s higher than Standard National Indonesia obligation for fisheries product about 1 x 105 colony/gram. Keywords: Food safety, chemical and microbiology    Abstrak. Keamanan pangan ditentukan oleh ada tidaknya komponen yang berbahaya secara fisik, kimia maupun mikrobiologi. Makanan yang sehat dengan kandungan gizi yang lengkap dan aman merupakan syarat mutlak yang harus dipenuhi oleh bahan pangan karena pembangunan manusia yang sehat dan cerdas tidak terlepas dari bahan makanan yang dikonsumsi. Penelitian ini bertujuan untuk menentukan kadar formalin, garam serta total bakteri yang terdapat pada produk ikan asin Tenggiri asal Kabupaten Sarmi Provinsi Papua. Identifikasi keberadaan formalin pada ikan asin dilakukan secara kualitatif dan kuantitatif. Pengujian secara kuantitatif memakai spektrofotometer sedangkan uji kualitatif menggunakan metode Asam Kromatofat. Analisis kadar garam ini menggunakan metode Khoman. Sedangkan pada penentuan keberadaan bakteri dilakukan dengan metode Total Plate Count. Hasil penelitian ini diketahui bahwa sampel ikan Tengiri asal Kabupaten Sarmi bebas formalin. Kadar garam dihasilkan  rendah berkisar antara 9,76 % - 16,31 % dan Total bakteri yang dihasilkan pada pengenceran 10-5 total bakteri yang ditemukan berkisar antara 24,5 x 10-5- 49,5 x 105 koloni/gram.  Hal ini menunjukan bahwa ikan asin tenggiri asal Kabupaten Sarmi telah terkontaminasi bakteri dalam kadar Standart Nasional Indonesia untuk produk perikanan dengan garam yang mensyaratkan Total Plate Count 1 x 105 koloni/gram.Kata kunci: Keamanan pangan,  kimia dan mikrobiologi
Induksi pemijahan ikan wader pari (Rasbora argyrotaenia) menggunakan Ovaprim TM dengan dosis berbeda Dwi Retna Kumala Ningrum; Darmawan Setia Budi; Laksmi Sulmartiwi
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.8.2.14076

Abstract

Abstract. Silver rasbora (Rasbora argyrotaenia) has become one of the freshwater culture commodities that have high economic value. Research on the use of Ovaprim™ to the induction of spawning of silver rasbora needs to be done as an effort to develop the technology of fish hatchery. This study aims to determine the effect of using Ovaprim™ and its optimal dosage on the induction of silver rasbora spawning. This research was conducted at the Wet Laboratory Airlangga University Banyuwangi campus in March to May 2018. Ovaprim ™ was applicated using intramuscular injection method following the treatment design was used a Completely Randomized Design (CRD) with 4 treatments and 5 replications namely P0: Without Ovaprim ™ (control); P1: dose of 0,3 mL /kg fish weight; P2: dose of 0,5 mL/kg fish weight; P3: dose of 0,7 mL/kg weight of fish. The parameters observed in this study were fecundity, egg diameter, fertilization rate, hatching rate and larval survival rate. Induction of silver rasbora spawning using Ovaprim ™ has an effect on fecundity and fertilization rate but has no effect on hatching rate, survival rate and egg diameter. The optimal dose of Ovaprim ™ on the induction of spawning of silver rasbora is 0,7 mL/kg weight of fish with the highest fecundity value compared to other treatments.Keywords: fecundity, egg diameter, hatching rate, survival rate Abstrak. Ikan wader pari (Rasbora argyrotaenia) telah menjadi salah satu komoditas budidaya air tawar yang memiliki nilai ekonomis tinggi. Penelitian mengenai penggunaan Ovaprim™ dalam induksi pemijahan ikan wader pari perlu dilakukan sebagai upaya pengembangan teknologi pembenihan ikan tersebut. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan Ovaprim™ dan menentukan dosis optimalnya pada induksi pemijahan ikan wader pari. Penelitian ini dilakukan di Laboratorium Basah PSDKU Universitas Airlangga Banyuwangi pada bulan Maret sampai Mei 2018. Aplikasi Ovaprim™ menggunakan metode injeksi intramuskular mengikuti desain perlakuan menggunakan Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 5 ulangan yaitu P0 : Tanpa pemberian Ovaprim™ (kontrol), P1 : dosis 0,3 mL/kg bobot ikan, P2 : dosis 0,5 mL/kg bobot ikan, P3 : dosis 0,7 mL/kg bobot ikan. Parameter yang diamati dalam penelitian ini adalah fekunditas, diameter telur, derajat fertilisasi, derajat penetasan telur dan tingkat kelangsungan hidup larva. Induksi pemijahan ikan wader pari menggunakan Ovaprim™ memberikan pengaruh terhadap fekunditas dan derajat fertilisasi namun tidak memiliki pengaruh terhadap derajat penetasan telur, tingkat kelangsungan dan diameter telur. Dosis optimal Ovaprim™ pada induksi pemijahan ikan wader pari yaitu 0,7 mL/ kg bobot ikan dengan nilai fekunditas tertinggi dibanding perlakuan lainnya.   Kata kunci: fekunditas, diameter telur, derajat penetasan telur, tingkat kelangsungan hidup
Analisis kesesuaian dan daya dukung ekowisata bahari Pulau Sebesi, Provinsi Lampung Yar Johan
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.5.2.4165

Abstract

Abstract. The Sebesi Island has coral reefs, mangrove and seagrass ecosystems, and therefore this island has the potenticy to be developed as a tourism destination object. The objectives of the present study were to analysis the suitability and carrying of Sebesi Island for for marine ecotourism activities of diving and snorkeling. The primary data were collected through field sampling, direct observation of field conditions, questionnaires and interviews. The secondary data were collected from previous studies, journals, technical reports and related agencies. The results showed that the Sebesi Island was suitable for diving and snorkeling activities  (S2 category) with the carrying capacity for diving and snorkeling activities were 2,394 person/day and 2,489 person/day, respectively.Keywords: coral reef, marine ecotourism, suitability, carrying capacity, Sebesi Island Abstrak. Pulau Sebesi berpotensi untuk dikembangkan menjadi salah satu Objek Daerah Tujuan Wisata (ODTW). Ekosistem Pulau Sebesi sebagian besar merupakan ekosistem terumbu karang, mangrove dan lamun. Penelitian tentang analisis kesesuaian dan daya dukung ekowisata bahari Pulau Sebesi Provinsi Lampung bertujuan mengkaji kesesuaian kawasan Pulau Sebesi untuk kegiatan ekowisata bahari yaitu diving dan snorkeling dan menganalisis daya dukung (carryng capacity) kawasan Pulau Sebesi. Pengumpulan data primer dilakukan melalui sampling, observasi langsung di lapangan, kuisioner, wawancara terbuka/langsung dan wawancara mendalam  di lokasi penelitian. Data sekunder dikumpulkan dengan penelusuran berbagai pustaka, dan instansi terkait. Hasil penelitian menunjukkan bahwa jenis kegiatan ekowisata bahari diving dan snorkling termasuk dalam kategori sesuai (S2), dengan daya dukung kawasan 2.394/hari orang untuk diving dan 2.489 orang/hari untuk snorkling.Kata kunci: terumbu karang, ekowisata bahari, kesesuaian, daya dukung, Pulau Sebesi
Komunitas perifiton dan karakteristik fisika kimia sebagai indikator kualitas perairan di daerah aliran sungai (DAS) Mamberamo Provinsi Papua Dwirastina Mirna; Dwi Atminarso; Arif Wibowo
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.9.3.16497

Abstract

The waters of the Mamberamo watershed are around 7.7 million hectares. Some territorial waters are surrounded by jungles that are rich in unique biodiversity. Diverse biodiversity must be accompanied by a state of good water quality. So that the monitoring of water quality is very good in terms of physical and chemical physics parameters. Monitoring using chemical physics parameters has been widely used, but using aquatic biota is still rare, so it is expected to be more assertive in exposing the state of river damage. Aquatic biota used is periphyton. Periphyton has the potential to be a study of ecological indicators, a major producer in the food chain and its inherent nature in aquatic substrates. The purpose of this study was to determine the diversity of the periphyton community, determine the quality of waters in terms of chemical physics in the Mamberamo watershed and see the relationship between the two parameters. The method of determining the location was purposive sampling with descriptive analysis of the correlation results. Field observations and sampling were carried out on three tributaries and ponds in the form of flood-exposed lakes in the Membramo watershed in February, May, August and October 2016. The results showed the highest periphyton composition of Bacillariophyceae class followed by Chlorophyceae and Cyanophyceae. The diversity value of the Mamberamo river is 1 H '= 3 which indicates moderate diversity, and the dominance index value ranges from 0.15 to 0.45, which indicates that there is no species that dominates in the waters of the Mamberamo River. Based on the results of the water quality assessment in the presence of periphyton and the physical chemistry characteristics of the water, it is found that the criteria for river water quality are classified as good and not polluted.Keywords:Ecological indicatorsChemical physics characteristicsPeriphytonMamberamo RiverPapuaABSTRAKLuas perairan DAS Mamberamo berkisar 7,7 juta hektar. Sebagian wilayah perairan dikeliling oleh hutan rimba yang kaya akan keanekaragaman hayati yang unik. Keanekaragaman hayati yang beragam harus disertai keadaan kualitas air yang baik. Sehingga pemantauan kualitas perairan sangat perlu baik ditinjau dari parameter fisika kimia dan biologi. Pemantauan menggunakan parameter fisika kimia telah banyak digunakan, tetapi menggunakan biota perairan masih jarang ,sehingga diharapkan dapat lebih tegas dalam mengekspresikan keadaan kerusakan sungai. Biota perairan yang digunakan dalam penelitian ini adalah perifiton. Perifiton berpotensi sebagai kajian indikator ekologis, produsen utama dalam rantai makanan serta sifatnya yang menempel di substrat perairan. Tujuan penelitian ini adalah untuk mengetahui keragaman komunitas perifiton, mengetahui kualitas perairan dari segi fisika kimia di DAS Mamberamo serta melihat hubungan antara kedua parameter tersebut. Metode penentuan lokasi purposive sampling dengan analisis deskripitif dari hasil korelasi. Pengamatan lapangan dan pengambilan sampel dilakukan pada tiga aliran anak sungai dan telaga yang berupa danau paparan banjir di DAS Membramo pada Februari, Mei, Agustus dan Oktober 2016. Hasil penelitian menunjukkan komposisi perifiton tertinggi kelas Bacillariophyceae diikuti Chlorophyceae dan Cyanophyceae. Nilai keanekaragaman sungai Mamberamo adalah 1H’=3 yang menyatakan keanekaragaman sedang, dan nilai indeks dominasi berkisar 0,15-0,45 yang menandakan bahwa tidak ada jenis yang mendominasi di perairan Sungai Mamberamo. Berdasarkan hasil penilaian kualitas air secara keberadaan perifiton dan karakteristik fisika kimia air maka didapat kriteria kualitas perairan sungai yang tergolong bagus dan belum tercemar.Kata kunci:Indikator ekologisKarakteristik fisika kimiaPerifitonSungai MamberamoPapua

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