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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Jurnal Perikanan dan Kelautan
Muta Ali Khalifa
University of Sultan Ageng Tirtayasa
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Environmental Science Library & Information Science

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Zooplankton Abundance with NPK Fertilization Muta Ali Khalifa; Hanna Silvia; Ujang Dindin
Jurnal Perikanan dan Kelautan Vol 7, No 2 (2017)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v7i2.2688

Abstract

Zooplankton has advantages as natural feed for fish larvae. Therefore, necessary to attempts natural growth of zooplankton in aquaculture media, e.g. fertilization. This research aim to describe NPK Ferlitilizer influence to zooplankton abundance. Research conducted at January 2016, in Aquatic Resources Management Laboratory- Muhammadiyah University of Sukabumi and Water Quality Analysis in Center for Freshwater Aquaculture Laboratory. Research design is experimental research with four treatments and three replications. Treatment A with enhanced NPK fertilizer 10 ppm, Treatment B with NPK fertilizer 20 ppm, Treatment C with NPK fertilizer 30 ppm, Treatment D was control without fertilizer. Fertilizer treatment lead to water colour became green until dark green, officially different with control treatment. Zooplankton composition founded 78% from Eurotatoria, 19% from Branchiopoda, the left was from Malacostraca and Hexanauplia. Zooplankton abundance of control treatment significantly different with fertilizer treatment. The highest abundance found at the tenth day from treatment C with 18640 cell/L or almost 480% from initial.
PEMETAAN KERENTANAN WILAYAH PESISIR TERHADAP KENAIKAN MUKA AIR LAUT DI KABUPATEN LEBAK BANTEN Laela Oktaviani; Ani Rahmawati; Muta Ali Khalifa
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 15 No. 1 (2023): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v15i1.43870

Abstract

The dynamic responses of coastal areas to extreme events, including sea level rise. This will adversely impact the condition of coastal areas, such as Binuangeun Beach, which is currently experiencing abrasion due to being hit by big waves. This shows that the Lebak coastal area has the potential to experience vulnerability, especially due to sea level rise. The purpose of this study was to map the distribution of vulnerability of the coastal areas of Lebak Banten Regency to sea level rise. The method used in this study is the Coastal Vulnerability Index (CVI). The data collected consisted of primary data obtained by conducting field observations and secondary data obtained through NOAA, Copernicus, and IOC Sea Level Monitoring. Vulnerability variables analyzed were geomorphology, shoreline changes, elevation, sea level rise, tidal height, and wave height. The characteristic of the beaches of Lebak is coral, sand, and cliffs. The vulnerability assessment is divided into 3 classes, namely low, medium, and high. The research results show that the value Coastal Vulnerability Index (CVI) of the Lebak coast ranged from 2.9-2.19. Thus, all coastal sub-districts of Lebak Regency are included in the category of low vulnerability to sea level rise. This means that the Lebak coast is not potentially affected by disasters caused by sea level rise.
Co-Authors Ani Rahmawati Hanna Silvia Laela Oktaviani Ujang Dindin