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All Journal Jurnal Biologi Tropis GANEC SWARA Al-Aqlu : Jurnal Matematika, Teknik dan Sains
Ni Kadek Puji Astuti
Universitas 45 Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Education Engineering Immunology & microbiology Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences

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Journal : GANEC SWARA

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KAJIAN PENGGUNAAN MATEMATIKA DALAM BIDANG PERIKANAN AMINULLAH AMINULLAH; SITI SOLIHUN; NI KADEK PUJI ASTUTI
GANEC SWARA Vol 17, No 2 (2023): Juni 2023
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v17i2.459

Abstract

The purpose of this research is to examine the use of mathematics in the field of fisheries. This literature review research examines scientific articles or research journals consisting of 7 national journals and 5 international journals. The study is limited to taking the results of previous research which includes results related to the use of mathematics in the field of fisheries. The results of the study show that mathematics in the field of fisheries is proven to be widely used, both in the use of mathematics on basic matters or entrenched habits (ethnomathematics) such as counting the number of fish, calculating feed, calculating the area of ponds, calculating buying and selling, weighing seeds and feed and predicting schedules. harvest and others. The use of more specific mathematics, for example ethnomathematics in the cultivation process by Indramayu shrimp cultivators, application of mathematical modeling to determine the growth in weight of a fish species, construction and dynamic analysis of mathematical models of fishing systems (a case study of the Nusantara Brondong fishing port), mathematics as a tool for efficient fisheries management and economic growth in Gashua, application of optimum control on fish harvesting models in non-reserved zones taking into account reserve zones, mathematical modeling applied to renewable fisheries management, mathematical modeling of predator-prey fisheries in polluted water ecosystems, mathematical modeling applied to sustainable management of marine resources, marine capture fisheries production, rainfall, and sea surface temperature with vector autoregressive (VAR) models, mathematical models of fish harvesting with selective harvest policies, and least square method mathematical models (least square method) on body shape fishing boat
PENGARUH PH AIR MEDIA TERHADAP DAYA TETAS TELUR IKAN PATIN SIAM (PANGASIONODON HYPOPTHALMUS) NI KADEK PUJI ASTUTI; AZHARI TARMIZI; MUHAMMAD IKROMIN
GANEC SWARA Vol 17, No 3 (2023): September 2023
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v17i3.512

Abstract

Water pH is an important external factor for the success of hatching fish eggs. PH stimulates the chorionase enzyme to be more active, it can soften the egg chorion. The purpose of this study was to determine the optimum pH value for Pangasianodon hypophthalmus hatching eggs. This research was conducted at the Batu Kumbung Fish Seed Installation, Lingsar, West Lombok. The research design used a completely randomized design with 5 treatments and 3 replications. Treatments are P1 (pH6), P2 (pH7), P3 (pH8), P4 (pH9) and P5 (pH10). The results showed that the different pH values of the water had a significant effect on the hatching percentage and the survival of Siamese catfish larvae. The highest hatching percentage (77.54%) was in the pH 8 treatment, the highest Siamese catfish larvae survival rate (95.12%) was in the pH 7 treatment which was not significantly different from pH 8 which produced 94.54%.
Co-Authors Abidin, Z Adniati Handayani AMINULLAH AMINULLAH Aryani Rahmawati Azhari Tarmizi Dewi Nur’aeni Setyowati Dewi Nur’aeni Setyowati Evron Asrial Kurniawati Kurniawati Luh Gede Sumahiradewi MUHAMMAD IKROMIN SITI SOLIHUN Syaifullah Syaifullah