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All Journal Jurnal Perikanan dan Kelautan Jurnal Ilmu Perairan (Aquatic Science) Asian Journal of Aquatic Sciences Journal of Coastal and Ocean Sciences Journal of Rural and Urban Community Empowerment Abdimas Indonesian Journal Jurnal Perikanan dan Kelautan
Feliatra, Feli
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Social Sciences

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Population Structure of Bamboo Shell (Solen lamarckii) in the Intertidal Zone of Sri Tanjung Village, Rupat District, Bengkalis Regency Prastyo, Nanang Tri; Nasution, Syafruddin; Feliatra, Feli
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Research on the population structure of bamboo shells (Solen lamarckii) in the intertidal zone of Sri Tanjung Village, Rupat District, Bengkalis Regency was carried out in October 2021-March 2022. This study aimed to determine the population structure of bamboo shells and the relationship between the size of bamboo shells and the depth of bamboo shells in the sediment. The intertidal zone is divided into 5 subzones. Each subzone is placed in 3 plots measuring 1 x 1 m2 along the transect line as a replication by drawing a straight line from the boundary of the highest tide area to the lowest low tide area. The results showed that the average population density of bamboo shells was 1.20 ind/m2 or 12,000 ind/ha with the lowest density located in the highest tide area and the highest density located in the lowest low tide area. The distribution pattern of bamboo shells is uniform. The size of the most common bamboo shells found is 5.14-5.70 cm. The relationship between the size of the bamboo shells and the depth of the bamboo shells in the sediment is very weak.
Efektivitas Kandungan Nitrogen dalam Pupuk Berbeda terhadap Klorofil pada Nannochloropsis sp. Skala Laboratorium Fatmanita, Fatmanita; Nurrachmi, Irvina; Feliatra, Feli
Ilmu Perairan (Aquatic Science) Vol. 11 No. 3 (2023): November
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Penelitian ini telah dilaksanakan pada bulan Maret 2023. Analisis dilaksanakan di Laboratorium Mikrobiologi Laut Jurusan Ilmu Kelautan Fakultas Perikanan dan Kelautan Universitas Riau. Tujuan penelitian ini adalah untuk menganalisis efektivitas kandungan nitrogen dalam pupuk pada masing-masing pupuk yang berbeda dalam mendorong pertumbuhan sel dan untuk menganalisis pupuk apa yang paling efektif dalam menunjang terbentuknya klorofil yang lebih tinggi dan lebih cepat pada Nannochloropsis sp. Metode yang digunakan pada penelitian ini adalah metode eksperimen dengan menggunakan rancangan percobaan RAL (Rancangan Acak Lengkap) 1 faktor yang terdiri atas 4 taraf perlakuan yaitu pemberian konsentrasi pupuk Walne sebanyak 1 mL (A), Guillard sebanyak 1,13 mL (B), dan Urea sebanyak 0,042 g (C), D (Kontrol) tanpa pupuk, masing-masing 3 kali pengulangan sehingga didapatkan 12 unit percobaan. Hasil pengukuran parameter kualitas air menunjukan kondisi air media pertumbuhan dalam keadaan baik yaitu dengan suhu air berkisar pada 25–28 oC, pH air yaitu berkisar 7-9 dan rata-rata salinitas yaitu 33 ppt. Hasil penelitian menunjukkan media pupuk yang paling efektif dalam mendorong pertumbuhan dan menunjang terbentuknya klorofil yang lebih tinggi dan cepat pada mikroalga Nannochloropsis sp. adalah media pupuk Guillard yang menghasilkan kepadatan populasi sel (6.438x104 sel/mL) dan kandungan klorofil (8,13 μg/L). Selanjutnya media pupuk urea (6.362x104 sel/ml) dan klorofil (7,04 μg/L), dan pupuk Walne yaitu (6.177x104 sel/mL) dan klorofil (5,33 μg/L).
Population Structure of Bamboo Shell (Solen lamarckii) in the Intertidal Zone of Sri Tanjung Village, Rupat District, Bengkalis Regency Prastyo, Nanang Tri; Nasution, Syafruddin; Feliatra, Feli
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Research on the population structure of bamboo shells (Solen lamarckii) in the intertidal zone of Sri Tanjung Village, Rupat District, Bengkalis Regency was carried out in October 2021-March 2022. This study aimed to determine the population structure of bamboo shells and the relationship between the size of bamboo shells and the depth of bamboo shells in the sediment. The intertidal zone is divided into 5 subzones. Each subzone is placed in 3 plots measuring 1 x 1 m2 along the transect line as a replication by drawing a straight line from the boundary of the highest tide area to the lowest low tide area. The results showed that the average population density of bamboo shells was 1.20 ind/m2 or 12,000 ind/ha with the lowest density located in the highest tide area and the highest density located in the lowest low tide area. The distribution pattern of bamboo shells is uniform. The size of the most common bamboo shells found is 5.14-5.70 cm. The relationship between the size of the bamboo shells and the depth of the bamboo shells in the sediment is very weak.
Storage Temperature on the Product Quality of Several Pro Coffee Variants That Contain (Bacillus cereus SN7) Farisy, Muhammad Fhito Al; Feliatra, Feli; Batubara, Ummi Mardhiah
Journal of Coastal and Ocean Sciences Vol. 6 No. 3 (2025): September
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jocos.6.3.197-201

Abstract

This study aims to analyze the effect of storage temperature on microbial growth in several pro coffee variants and to investigate the impact of storage temperature on the quality of pro coffee containing B. cereus SN7. The coffee variants used were original, latte, original jelly, and latte jelly at temperatures of 10, 25, and 37°C for 7 days of storage. Microbial growth was observed using the total plate count method, while the pro coffee quality was analysed using the organoleptic test. The results showed that low storage temperatures can inhibit microbial growth and maintain the quality of pro coffee. The lowest total number of microbes was found in the original variant with a storage temperature of 10°C, with a value of 0.11 × 103 CFU/mL, and the highest total number of microbes was found in the latte jelly variant with a storage temperature of 25°C, with a value of 3.476 × 103 CFU/mL. In the organoleptic test, the highest value was found in the latte variant coffee at a storage temperature of 10°C, categorized as 'very like', with a value of 35% for taste, 30% for aroma, and 30% for colour. The effect of temperature on the product quality of several probiotic coffee variants containing B. cereus SN7 showed a significant difference (p < 0.05) in microbial growth and the quality value of the probiotic coffee. Statistical analysis showed the effect of temperature on the product quality of several pro coffee variants containing B. cereus SN7.
Co-Authors Akbar, Sidiq Malik Alfarisy, M. Phyto Ayunda, Fadhilah Putri Batara, Lamun Batubara, Ummi Mardhiah Bintal Amin Dessy Yoswaty Fahmi, Adzra Ariesta Farisy, Muhammad Fhito Al Fatmanita, Fatmanita Fatwa, Eza Buana Feliatra, Pamela Isya Gustina, Julia Iesje Lukistyowati Irvina Nurachmi Irwan Effendi Irwan Irwan Lazuardi Umar Mardalisa, Mardalisa Moritania, Rizky Muhson, Nanang Mukti, Pranata Rangga Ningsih, Irma Ardila Novan, Dewan Pratama Nursyirwani, Nursyirwani Prastyo, Nanang Tri Purba, Thadeus Mariode Triputra Rady, Rady Simanjuntak, Lewi Maraditha Syafruddin Nasution Thamrin Thamrin Zevira, Bella Permata