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All Journal Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Jurnal Kelautan dan Perikanan Indonesia
El Rahimi, Sayyid Afdhal
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Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Engineering Social Sciences Veterinary

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Journal : Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan

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Identification coral reef diatom using scanning electron microscope at Nature Reserve Pulau Sempu (NRPS), East Java El Rahimi, Sayyid Afdhal; Kryk, Adryan; Arsad, Sulastri; Luthfi, Oktiyas Muzaky; Isdianto, Andik; Luthfi, M. Azurea Bahri
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 13, No 1 (2024): APRIL 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.1.29516

Abstract

Diatom, Bacillariophyceae, has an important role in environmental support because these algae contribute to 25% of the oxygen supply globally and each year represent 40% of primary production by fixed carbon using photosynthesis. Diatom samples were obtained from 3 different sites in around NRPS. Cleaning diatoms analyzed using SEM for describe ultrastructure in diatom valves. Three dominant diatoms Cocconeidaceae and Bacillariaceae from the south Java Sea (Indian Ocean). Basic information regarding the diversity of diatoms, and the success of photoautotrophic micro-algae that can be found both in marine and freshwater habitats, is very important to describe the role of each taxon from an ecology perspective in the future. Samples are taken from the substrate of 3 stations in Nature Reserve Pulau Sempu and prepared in the laboratory for scanning electron microscopy photographs. Clear and detailed features diatom frustule of SEM photograph reveal a schild diatom (Cocconeis) and panduriform diatom (Psammodictyon) are dominating taxa in NRSP areas.Keywords:Hard coralCocconeisPsammodictyonPulau SempuDiatom
Additional of EM4 and molasses in feeds on the growth and survival rate of snakehead (Channa striata) Dewi, Cut Dara; Maulana, Usman; El Rahimi, Sayyid Afdhal; Ismarica, Ismarica
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 12, No 1 (2023): APRIL 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.1.27330

Abstract

This study aims to determine the effect of giving EM4 probiotics on the growth and survival rate of snakehead (Channa striata). This research was carried out at the Fish Hatchery Laboratory, Faculty of Marine and Fisheries, Universitas Syiah Kuala. This study was conducted using a Complete Randomized Design (CRD) method with 4 treatments used, namely A (control), B (EM4 6 ml/kg of feed), C (EM4 8 ml/kg of feed), and D (EM4 10 ml/kg of feed). The results showed that the addition of 10 ml/kg of feed of EM4 probiotic resulted in an absolute length growth of 1.600.17 cm, an absolute weight growth of 1.850.18 gram, a specific growth rate of 1.970.10 % per day, a feed conversion ratio of 1.560.03, feed efficiency 64.191.41 % and survival rate 97.783.85 %. The results of this study can be concluded that the addition of probiotic EM4 10 ml/kg of feed can increase the growth and survival rate of snakehead (Channa striata).Keywords:Channa striataEM4Commercial feedGrowthSurvival rate
Co-Authors Andik Isdianto Arsad, Sulastri Dewi, Cut Dara Faliqul Isbah Ichsan Setiawan Ismarica, Ismarica Junaidi M. Affan Kryk, Adryan Luthfi, M. Azurea Bahri Marni, Putri oktiyas muzaky Luthfi, oktiyas muzaky Thaib Rizwan, Thaib Usman Maulana, Usman Yuni, Syarifah Meurah