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Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan

depik
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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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Struktur komunitas mangrove dan strategi pengelolaannya di Kabupaten Pidie, Province Aceh (Community structure of mangrove and its management strategy in Pidie District, Aceh Province) Mirza Karnanda; Zainal A. Muchlisin; Muhammad A. Sarong
Depik Vol 5, No 3 (2016): December 2016
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

The objective of the present study was to analyze the community structure of mangrove vegetation in Pidie District, Aceh Province and to plan its management strategies. The study was conducted from August to November 2014 in three subdistricts namely Batee, Kota Sigli, and Simpang Tiga. A total of three sampling stations were determined purposively at every subdistrict where every station has two substations and every substation has three sampling plots of 10 m x 10 m. In addition, a total of 297 respondents as representative of the fish farmer, fishermen, and other stakeholders were interviewed to collect data to plan the management strategies using the SWOT (Strengths, Weaknesses, Opportunities, Threats) analysis. The results showed that there were six species of mangrove found in Pidie District namely Avicennia alba, A. officinalis, A. marina, Rhizophora mucronata, R. apiculata and Sonneratia alba. For seedlings and saplings categories can be classified into very good condition, except in Kecamatan Batee where S. alba for seedlings was classified into moderate damage and the saplings was in highly damaged condition. The mangrove of trees category was classified into heavily damaged condition. The management strategies of mangrove ecosystem in Kabupaten Pidie can be done by maximizing the function of mangrove ecosystems by replanting the species of mangrove that match with the habitat for their life so that can produce the specific functions; improve the role of government and society in controlling and monitoring the mangrove ecosystems; and establish the local regulations about the management of mangrove ecosystems in Kabupaten Pidie.Penelitian ini bertujuan untuk menganalisis struktur komunitas vegetasi mangrove dan menetapkan strategi pengelolaannya di Kabupaten Pidie Provinsi Aceh. Penelitian ini dilaksanakan pada Agustus sampai November 2014 pada tiga kecamatan yaitu Kecamatan Batee, Kota Sigli, dan Kecamatan Simpang Tiga. Metode yang digunakan dalam penelitian ini adalah metode survei. Pada setiap lokasi ditetapkan dua sub statiun pengamatan dan setiap pengamatan dengan tiga titik transek dimana transek berupa kuadrat berukuran 10 m x 10 m. Pengambilan data mangrove dilakukan dengan transek kuadrat berukuran 10 m x 10 m untuk kategori pohon plot 5 m x 5 m unuk kategori pancang dan 2 m x 2 m untuk kategori semai. Sedangkan untuk data strategi pengelolaan mangrove dengan mewawancarai 297 responden yang merupakan perwakilan beberapa petani tambak dan nelayan di Kecamatan Batee, Kota Sigli, Kecamatan Simpang Tiga dan perwakilan stakeholder terkait. Strategi pengelolaan ekosistem mangrove di Kabupaten Pidie dianalisis menggunakan formula SWOT (Strengths, Weaknesses, Opportunities, Threats). Hasil penelitian menunjukkan bahwa ditemukan 6 spesies mangrove di Kabupaten Pidie, yaitu Avicennia alba, A. officinalis, A. marina, Rhizopora mucronata, R. apiculata dan Sonneratia alba. Mangrove di lokasi penelitian untuk tingkat semai dan pancang dapat dikategorikan dalam kondisi sangat baik, kecuali di Kecamatan Batee S. alba pada tingkat semai dikategorikan rusak ringan dan pada tingkat pancang dalam kondisi rusak berat. Mangrove tingkat pohon pada lokasi penelitian dikategorikan rusak berat. Strategi pengelolaan ekosistem mangrove di Kabupaten Pidie dapat dilakukan dengan memaksimalkan fungsi ekosistem mangrove berupa penanaman kembali jenis-jenis mangrove tertentu yang sesuai dengan habitat hidupnya sehingga menghasilkan fungsi tertentu; meningkatkan peran pemerintah dan masyarakat; melakukan pengawasan dan monitoring secara berkala di ekosistem mangrove; serta merumuskan peraturan daerah tentang pengelolaan ekosistem mangrove di Kabupaten Pidie.

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

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.

Komposisi biota dasar hasil tangkapan alat garok pada perairan pesisir Kronjo, Tangerang Yonvitner Yonvitner; Rokhmin Dahuri; Isdradjad Setyobudi Andi; Mennofatria Boer
Depik Vol 9, No 3 (2020): December 2020
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Garok is a fishing gear that operates at the bottom or surface of the substrate that is caught of various benthic species. The garok gear that operates in sediment, even in the long term can cause changes in the composition of the biota. Because exploitative fishing proses, can cause damage, vulnerability and at the long-term impact to the sustainability of the population. The research was carried out in Kronjo Bay, Tangerang from March to May 2011. The samples were collected from the operation, then determined the species, quantity, and weight of each species. Descriptive statistical analysis and ANOVA were used to determine the significance of the composition between stations and observation times. The caught consist of Placuna placenta, Anadara, Murex, Tellina, and crustaceans which belong to the mollusk and crustacean groups. Statistical analysis did not show a significant difference between the research stations, but it was significantly based on the observation time with Fhit 3,1 and Ftab 1,7. It turned out that the abundance of basic biota was found to be high in April then decreased in May. Likewise, the abundance did not show a significant difference in the location and time of observation. The catch composition on the Kronjo coast is dominated by the gastropod group with an average composition of above 50% per operation.Keywords:GarokCompositionDemersalKronjoCoastalABSTRAKGarok adalah alat tangkap yang dioperasikan di dasar perairan yang menangkap berbagai jenis biota dasar. Alat garok yang dioperasikan dapat menangkap beragam jenis biota dasar dan dalam jangka lama dapat menyebabkan terjadinya perubahan komposisi biota. Alat tangkap yang bersifat eksploitatif dapat menyebabkan kerusakan, kerentanan sehingga menganggu keberlanjutan populasi secara jangka panjang. Penelitian dari praktek penggunaan alat garok ini dilakukan di Teluk Kronjo Tangerang mulai Maret-Mei tahun 2011. Sampel dikumpulkan secara eskploratif dari operasi alat garok, kemudian tentukan jenis, jumlah dan bobotnya dari setiap jenis. Analisis statistik deskriptif dan ANOVA digunakan untuk mengetahui perbedaan komposisi antar stasiun dan antara waktu pengamatan. Hasil tangkapan terdiri dari jenis Placuna placenta, Anadara, Murex, Tellina, dan krustasea yang termasuk kelompok moluska dan krustasea. Analisis statistik tidak menunjukan perbedaan yang nyata antara stasiun penelitian, namun berbeda nyata berdasarkan waktu pengamatan dengan Fhit 3,1 dan Ftab 1,7. Kelimpahan biota dasar ditemukan tinggi pada bulan April kemudian menurun pada bulan Mei. Begitu juga kelimpahan tidak menunjukan perbedaan yang nyata pada lokasi dan waktu pengamatan. Komposisi tangkapan di pesisir Kronjo didominasi oleh kelompok gastropoda dengan komposisi rata-rata diatas 50% setiap kali operasi.Kata kunci:GarokKomposisiDemersalKronjoPesisir

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

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

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

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

Pemodelan hidrodinamika arus pasang surut Teluk Mayalibit Kabupaten Raja Ampat Provinsi Papua Barat Asep Sandra Budiman; Alan F. Koropitan; I Wayan Nurjaya
Depik Vol 3, No 2 (2014): August 2014
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Abstract. Mayalibit Bay has an unique topography due to it has only one way long canal , narrow, and devious that connecting to open sea. Study on the water mass dynamics concerning to elevation and tidal current in Mayalibit Bay was conducted by constructing the 2D numerical hydrodynamics model which was simulated for 30 days to describe the pattern of elevation and water current which was resulted from tidal processes. The 2D hydrodynamic equation was employed by finite difference methods. Validation result showed that the model has a good performance and it was relevance to in-situ measurement. The pattern of elevation and water current from many tide periods had been spatially analyzed. Generally, simulation showed that there was a significant difference between the elevation and water currents pattern inside and outside the bay during high and low tides.. Elevation and water current have higher value during highg tide (maximum 0.35 m and 0.2 m/s) than low tide period (maximum 0.14 m and 0.1 m/s ) with the velocity of water current was faster at ebb-tide or low tide. The water current in entry canal has higher value than in any part of the bay which themaximum velocity was varied from 1.6 m/s (flood-tide) to 3.7 m/s (ebb-tide). The direction of current during high tide flows was dominantly to the West-Northwest or enters the bay by following its geometric and to the East-Southeast or exits from the bay during the ebb-tidesKeywords : Tidal; quasi-enclosed waters; numerical models; finite difference Abstrak. Teluk memiliki topografi yang unik karena hanya memiliki satu celah atau jalur panjang, sempit, dan berkelok yang menghubungkannya dengan laut terbuka. Kajian dinamika massa air terkait elevasi dan arus pasang surut di Teluk Mayalibit telah dilakukan dengan membangun sebuah model numerik hidrodinamika 2D yang disimulasi selama 30 hari untuk menggambarkan pola elevasi dan arus akibat pasang surut. Persamaan hidrodinamika 2D diselesaikan dengan metode beda hingga. Hasil validasi menunjukkan bahwa model telah memiliki performa yang cukup baik dan relevan bila diverifikasi dengan hasil pengukuran di lapangan. Pola elevasi dan arus dalam beberapa periode pasang surut dianalisis secara spasial. Hasil simulasi menunjukkan bahwa ada perbedaan yang signifikan antara elevasi dan pola arus di dalam dan di luar teluk selama periode pasang purnama dan pasang perbani. Elevasi dan arus memiliki nilai yang lebih tinggi pada saat pasang purnama (maksimum 0,35 m dan 0,2 m/detik) dibandingkan dengan pada saat pasang perbani (maksimum 0,14 m dan 0,1 m/detik) dengan kecepatan arus yang lebih tinggi pada saat surut. Arus di jalur masuk teluk memiliki nilai yang lebih tinggi dibandingkan bagian manapun di dalam teluk, dimana kecepatan maksimumnya bisa mencapai 1,6 m/detik (pasang) sampai 3,7 m/detik (surut). Arah arus dominan di dalam teluk pada saat pasang adalah Barat - Barat Daya atau masuk ke dalam teluk mengikuti geometrinya dan ke Timur-Tenggara atau ke luar teluk pada saat surut.

Kinerja Pelabuhan Perikanan Nusantara (Ppn) Karangantu - Banten, Indonesia Agus Suherman; Herry Boesono; Faik Kurohman; Abdul Kohar Muzakir
Depik Vol 9, No 2 (2020): August 2020
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Karangantu Nusantara Fishing Port (NFP) accommodates production, processing and marketing activities, also fishermen development. Services for vessels as production facilities include: providing a home base for the fishing fleet, ensuring smooth loading of captured fishes, providing supplies for vessels such as fresh water, fuel, ice and others. This study aims to analyze the activities and operational performance and find out the determinants of the performance of Karangantu NFP. This research was conducted in October 2019 to January 2020 at the Karangantu NFP. Data analysis was performed using two methods; the first is a descriptive method to analyze the operational activities of the Karangantu NFP and assess operational performance based on the Decree of Director General of Capture Fisheries in 2015 Number 20 / KEP-DJPT / 2015; the second is Structural Equation Model (SEM) method, which is to define the determinants of Karangantu NFP performance. The results showed that Karangantu NFP operational activities continued to increase. Ship visits during 2019 increased by 15.75%. The production volume of landed fish increased by 9.0%, but the value of production fell by 7.1% due to the catches of most fish with low economic value and poor fish quality. The performance evaluation of 27 criterias based on the Decree of Director General of Capture Fisheries in 2015 showed that the operational performance of the Karangantu NFP during October 2019-January 2020 performed well. Based on SEM test results, internal (human resource/personal, budget, fishermen, and productivity) variables have the most influence on NFP performance. Keywords: Performance, SEM, Fishing Port, Capture Fisheries, KarangantuABSTRAKPelabuhan Perikanan Nusantara (PPN) Karangantu menampung aktivitas produksi, pengolahan dan pemasaran, serta pembinaan nelayan. Pelayanan terhadap kapal perikanan sebagai sarana produksi meliputi: penyediaan basis bagi armada penangkapan, menjamin kelancaran bongkar ikan hasil tangkapan, menyediakan suplai logistik bagi kapal-kapal ikan seperti air tawar, bahan bakar minyak, es untuk perbekalan dan lain-lain. Penelitian ini bertujuan untuk menganalisis aktivitas dan kinerja operasional serta mengetahui faktor-faktor penentu kinerja PPN Karangantu. Penelitian ini dilaksanakan pada Oktober 2019 hingga Januari 2020 di PPN Karangantu. Analisis data dilakukan dengan dua metode; pertama metode deskriptif yaitu untuk menganalisis aktivitas operasional PPN Karangantu dan penilaian kinerja operasional berpedoman Keputusan Direktur Jenderal Perikanan Tangkap tahun 2015 Nomor 20/KEP-DJPT/ 2015; kedua metode Structural Equation Model (SEM) yaitu untuk mengetahui faktor-faktor penentu kinerja PPN Karangantu. Hasil penelitian menunjukkan bahwa aktivitas operasional PPN Karangantu terus mengalami peningkatan. Kunjungan kapal selama tahun 2019 mengalami kenaikan sebesar 15,75%. Volume produksi ikan yang didaratkan naik sebesar 9,0 %, namun untuk nilai produksi turun sebesar 7,1 % disebabkan hasil tangkapan sebagian besar ikan yang nilai ekonomis rendah dan mutu ikan kurang baik. Penilaian kinerja terhadap 27 kriteria berpedoman keputusan Direktur Jenderal Perikanan Tangkap tahun 2015 menunjukkan bahwa kinerja operasional PPN Karangantu selama Oktober 2019- Januari 2020 berkinerja Baik. Berdasarkan hasil pengujian SEM, variabel internal (sumberdaya manusia/pengelola, anggaran, nelayan dan produktivitas) mempunyai pengaruh paling besar terhadap kinerja PPN.Kata kunci: Kinerja, SEM, Pelabuhan Perikanan, Perikanan Tangkap, Karangantu

Efektifitas Nannochloropsis sp. terhadap sistem imun non-spesifik ikan mas Cyprinus carpio yang diinfeksi Virus Herpes Arafik Lamadi
Depik Vol 6, No 3 (2017): December 2017
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

The aim of this research was to determine the effect of Nannochlorpsisis sp. against the common carp (Cyprinus carpio) leukocyte profile, infected with Koi Hepesvirus (KHV). The descriptive observational method wa used in this study. This research was conducted for 4 weeks, using common carp length 12±0,3 cm as many as 7 fish. The tested experiment was P1: without infested by Nannochlorpsisis sp. and KH; P2: Infested by Nannochlorpsisis sp. and without KHV infected; P3: Infected by Nannochloropsis sp. and KHV; P4; Not infected by Nannochlorpsisis sp. and infected by KHV. Evey tratment in three replications. The results showed that the highest total leukocyte was obtained in P3 (37.600 cells/ml), followed by P4 (29.650 cells / ml), P2 (28,500 cells / ml) and P1 (21,150 cells / ml). Leukocyte differentiation test on P1 (neutrophil 6.2%, lymphocyte 68.0%, monocyte 17.0%), P2 (neutrophil 6.6%, lymphocyte 72.3%, monocyte 18.3%), P3 (neutrophil 7.9%, lymphocyte 66.1%, monocytes 24.3%), P4 (neutrophils 11.2%, lymphocytes 57.6%, monocytes 37.6%). The higher survivla rate was recorded in P2 (100%). It is concluded that Nannochloropsis sp. can enhance the common carp immune sytem.Penelitian ini bertujuan untuk mengetahui pengaruh pemberian Nannochlorpsis sp. terhadap profil leukosit ikan mas (Cyprinus carpio) yang terinfeksi Koi Herves Virus (KHV). Penelitian ini menggunakan metode deskriptif observasional dengan membandingkan hasil pada perlakuan 1) P1: (tanpa pemberian Nannochlorpsis sp. dan tidak diinfeksi KHV), 2) P2 (diberikan Nannochlorpsis sp dan tanpa diinfeksi KHV), 3) P3 (diberikan Nannochlorpsisis sp dan diinfeksi KHV), 4) P4 (tanpa pemberian Nannochlorpsis sp. dan diinfeksi KHV), masing-masing perlakukan 3 kali ulangan. Penelitian ini dilakukan selama 4 minggu dengan menggunakan Ikan mas berukuran 12±0,3 cm sebanyak 120 ekor. Hasil perhitungan total leukosit tertinggi diperoleh pada P3 (37.600 sel/ml), selanjutnya berturut-turut P4 (29.650 sel/ml), P2 (28.500 sel/ml) dan P1 (21.150 sel/ml). Hasil uji diferesnsiasi leukosit pada P1 (neutrofil 6.2%, limfosit 68.0%, monosit 17.0%), P2 (neutrofil 6.6%, limfosit 72.3%, monosit 18.3%), P3 (neutrofil 7.9%, limfosit 66.1%, monosit 24.3%), P4 (neutrofil 11.2%, limfosit 57.6%, monosit 37.6%). Kelangsungan hiudp tertinggi diperoleh pada perlakuan P2 (100%). Dapat disimpulkan bahwa Nannochloropsis sp. dapat digunakan untuk meningkatkan kekebalan tubuh ikan mas.

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

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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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Ichsan Setiawan

Contact Email ichsansetiawan@usk.ac.id

Phone +6285220189228

Journal Mail Official depik@usk.ac.id

Editorial Address Faculty of Marine and Fisheries Universitas Syiah Kuala Jalan Meureubo No. 1, Kopelma Darussalam Banda Aceh, 23111, Indonesia

Location Kab. aceh besar, Aceh INDONESIA

Abstract

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Contact Name
Ichsan Setiawan

Contact Email
ichsansetiawan@usk.ac.id

Phone
+6285220189228

Journal Mail Official
depik@usk.ac.id

Editorial Address
Faculty of Marine and Fisheries Universitas Syiah Kuala Jalan Meureubo No. 1, Kopelma Darussalam Banda Aceh, 23111, Indonesia

Location
Kab. aceh besar,

Aceh

INDONESIA