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All Journal Jurnal Teknologi Perikanan dan Kelautan Jurnal Ilmu dan Teknologi Kelautan Tropis BULETIN OSEANOGRAFI MARINA Berkala Perikanan Terubuk Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Jurnal Kelautan Tropis Jurnal Sumberdaya Akuatik Indopasifik Acta Aquatica: Aquatic Sciences Journal Jurnal Riset Akuakultur Jurnal Serambi Engineering Samakia: Jurnal Ilmu Perikanan Jurnal Kelautan Nasional Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Jurnal Ilmiah Samudra Akuatika Jurnal Pembelajaran dan Biologi Nukleus JURNAL PERIKANAN TROPIS Jurnal Laot Ilmu Kelautan Rambideun : Jurnal Pengabdian Kepada Masyarakat Munggai: Jurnal Ilmu Perikanan dan Masyarakat Pesisir International Review of Practical Innovation, Technology and Green Energy (IRPITAGE) Buletin Pengabdian
Erlangga Erlangga
Departement Marine Science, Malikussaleh University
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Public Health Social Sciences Other

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Journal : Jurnal Serambi Engineering

 1 
Pemodelan Status Trofik Danau Laut Tawar Aceh Tengah Saiful Adhar; Erlangga Erlangga; Rachmawati Rusydi; Mainisa Mainisa; Munawwar Khalil; Muliani Muliani; Eva Ayuzar; Muhammad Hatta
Jurnal Serambi Engineering Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i2.4022

Abstract

The trophic status of Laut Tawar Lake was increasingly leading to an alarming level of degradation. Efforts to anticipate an increase in trophic status require scientific knowledge of the trophic phenomena of the waters empirically. This research examines the trophic status parameters to produce a model of the trophic status of Laut Tawar Lake. The proposed model was a modification of Carlson's Trophic State Index Method. Analysis of the relationship examined the interaction of water clarity (SD) with chlorophyll-a (Chl), Total Suspended Solid, and Total Dissolved Solids, and the interaction of chlorophyll-a with nutrient concentration (TP, TN). Data were analyzed descriptively quantitatively, correlation, and regression. The results showed that the waters of Laut Tawar Lake contain phosphate (TP) 34 µg/L, Total Nitrogen 687 µg/L, chlorophyll-a 10 µg/L, Total Suspended Solid 47 mg/L, Total Dissolved Solid 84 mg/L, and water clarity 4.0 m. The regression test showed that the abundance of phytoplankton (Chl) was affected by nutrient phosphate with the empirical model equation Chl = 0.565 TP – 9.161. Nitrogen nutrients did not partially affect the concentration of chlorophyll-a in the waters of Laut Tawar Lake. Water clarity is influenced by chlorophyll-a and TSS, where TDS has no effect partially. The empirical model obtained is Ln SD = 1.757 – 0.013 Chl – 0.008 TSS. Modification of Carlson's TSI by substituting the two equations obtained the equation TSIdlt = 13.46 + 8.08 ln TP + 0.04 TP + 0.04 TSS. This model simulation gives an estimation rate of 91.06%.
Analisa Limbah Fosfor Kegiatan Keramba Jaring Apung di Danau Laut Tawar Aceh Tengah Saiful Adhar; Rachmawati Rusydi; Mainisa Mainisa; Erlangga Erlangga; Munawwar Khalil; Eva Ayuzar
Jurnal Serambi Engineering Vol 6, No 3 (2021): Juli 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i3.3051

Abstract

Floating net cage activities can cause  water quality to decrease. The feed remains and the metabolism of the fish  from these activities produces nitrogen and phosphorus .  The objective of this study  is to obtain the calculation model and the amount of phosphorus released into the waters of Laut Tawar Lake  as a result of floating  cage activities. The resulting  formula  was Pw = (F x [P]p) – ((It – Io) x [P]i), where their variables were given feed (F), phosphorus concentration of feed ([P]p), the final weight of fish (It), the initial weight of fish (Io), and phosphorus concentration in fishes ([P]i). It can be used to predict the increase in phosphorus waste based on the increase in floating net cage area. The weight of tilapia increases exponentially with the  day of cultivation in the equation Y = 12.70e0.02x and the goldfish followed the formula  Y = 2.28e0.03x. Phosphorus in tilapia varies  from 1.58% to 2.23% with an average of 1.97%. Goldfish contain  1.19 - 2.02% phosphorus, with an average of 1.52%. Goldfish  growth  was not optimal due to inadequate feeding,   so  without excessive feeding and did not generate  phosphorus waste. The cultivation of  tilapia releases  0.09 Kg P/m2 of phosphorus waste from floating cages .
Co-Authors Ade Fitria Ade Fitria Alfi Syahrin Alfi Syahrin Anggi Mayulina Daulay Anggi Mayulina Daulay Anggi Mayulina Daulay Ayu Andira Ayu Andira Ayu Gustina Ayu Lestari Azhari Mataniari Azizi Ramadhan Bengi Pratiwi Cut Meurah Nur Akla Cut Meurah Nurul Akla Cut Meurah Nurul ‘Akla Cut Meurah Nurul ‘Akla Cut Meurah Nurul ‘Akla Cut MeurahNur 'Akla Dian Laili Dodi Fanhalen Siregar Dodi Fanhalen Siregar Erliza Marzuki Erniati Erniati Erniati, Erniati Eva Ayuzar Eva Ayuzar Eva Ayuzar Eva Ayuzar Eva Ayuzar Firli Ariski Fitri Al Faini Siregar Gara Hasonangan Ritonga Gara Hasonangan Ritonga Hamdi Romansah Hariyati Hariyati Helmi Gusnita Hyessica Bernardeta Lubis I Iswadi Ibnu Amni Ida Marina Harahap Imamshadiqin imamshadiqin imamshadiqin Imamshadiqin Imamshadiqin Imamshadiqin Imamshadiqin Imamshadiqin Imamshadiqin Imanullah Imanullah Imanullah Imanullah imanullah imanullah Imanullah Imanullah Intan Mutia Irmayunita Irmayunita Iswadi Ak Jamin Jamin Jihad Nasuha Julianda Sahputra Khaidir Khaidir Likdanawati Likdanawati Lisna Lisna mahdaliana mahdaliana Mahdaliana Mahdaliana Mahdaliana, Mahdaliana Mainisa Mainisa Mainisa Meutia Handayani Muhammad Hatta Muhammad Robi Muliani Muliani Muliani Muliani Munawar Khalil Munawwar Khalil, Munawwar Mutia Mutia Nazarul Syahputra Nuriana Dila Prama Hartami Rachmawati Rusydi Rachmawati Rusydi Rahmatul Husna Repki Prasetyo Rian Firdaus rini tri lestari sembiring Rini Tri Lestari Sembiring Riri Ezraneti Riri Ezraneti Riri Ezraneti Riri Ezraneti Roza Yusfiandayani Saiful Adhar Salamah Salamah Salmarika Salmarika Sapna Biby Sohibil Yamin Sri Nanda Rizki Srinanda Rizki Sutiana Sutiana Syahrial Syahrial Syahrial Syahrial Syahrial Syahrial Syahrul Ramadansyah Syawaluddin Akbar Tambah Lambok Berutu Umaruddin Usman Wilman Shobara Yofita Sandra, S.Pd., M.Pd., Zico Farlin, Dr. Budiwirman, M.Pd., Yudho Andika Yudho Andika Yudho Andika Yudho Andika Yudho Andika Yuli Asbar yuli asbar Yusril Husaen Yusril Husaen Zakiatul Fitri