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All Journal Jurnal Tataloka Grouper: Jurnal Ilmiah Perikanan Barakuda 45
Waluyo Waluyo
Politeknik Kelautan dan Perikanan Karawang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Environmental Science Immunology & microbiology Veterinary

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Dynamic Models for Seaweed Cultivation Development in The Waters of Luwu and Palopo Regency, South Sulawesi Waluyo Waluyo; Yonvitner Yonvitner; Etty Riani; Taslim Arifin
TATALOKA Vol 22, No 4 (2020): Volume 22 No. 4, November 2020
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/tataloka.22.4.497-514

Abstract

Waters carrying capacity in the seaweed of Eucheuma cottonii cultures should be a concern for optimum seaweed culture. Carrying capacity can determine by Ecological Footprint (EF) analysis, which in this research use footprint production, and mas balance nitrate analysis. This research on Mei 2015 (1st transitional season) and September 2015 (2nd transitional season) in Luwu and Palopo, South Sulawesi. Map and land use analyzed with geographic information systems (GIS). The results showed that the Ecological Footprint Production (EFP) in Luwu waters is 67,88 ton/capita/year, or equivalent to 235,823.93 tons/year. Based on the analysis of the availability of water for seaweed is 38,374.69 hectares, it can produce seaweed (biocapacity) for 922,928.96 tons/year and the number of farmers that allows for use the waters is 13,595 capita. The Ecological Footprint Production (EFP) in Palopo waters is 3.08 ton/capita/year, or equivalent to 4,589.99 tons/year. Water availability analysis is 979.82 hectares can produce seaweed (biocapacity) for 10,115.34 ton/year and the number of farmers that allows for use the waters is 3,276 capita. Based on the four scenario simulation management results of the development seaweed cultivation Eucheuma cottonii in Luwu and Palopo Regency is based on the present waste input, pressing inputs of waste into the waters of 10%, 25% and 50% yield different waters biocapacity. The results comparison between biocapacity and Ecological Footprint, ecological status for Luwu and Palopo waters are still in sustainable use. Based on those simulation results showed that in the second scenario by pressing the waste input by 10% from the existing waste input, as well as assuming the availability of water utilizing the entire area of 38,374.69 hectares continuously (on the years scale of 2008-2030), it will produce the highest biocapacity waters in the amount of 8,257,274.94 tons/year. So with the management of seaweed in Palopo with the second scenario, assuming the availability of water utilizing the entire area of 979.82 hectares will produce the highest waters biocapacity of 14,306.92 tons/year.
Breakwater Effectiveness to Reduce Ocean Waves In The Karangantu Fisheries Port, Serang City, Banten Province, Indonesia Seruni Ajeng Amiati; Waluyo Waluyo; Amdani Amdani
Grouper: Fisheries Scientific Journal Vol 11, No 2 (2020): Grouper : Jurnal Ilmiah Fakultas Perikanan Universitas Islam Lamongan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v11i2.73

Abstract

The ease of mooring anchorage in a port is influenced by the level of the calm of the waters. The dynamics of wave movement found in coastal areas, especially in the anchorage pool area, are caused by several factors including the influence of wind, currents, tides and the action of ocean waves. For this reason, one of the most important coastal protective structures is Breakwater which is expected to reduce and reduce the effects of ocean waves. This research was conducted in November 2019 at the Karangantu Port of Fisheries (PPN) in Karangantu, Serang Regency, Banten Province. The purpose of this study was to determine the level of effectiveness of breakwater as a shock wave for mooring boat anchors at PPN Karangantu, Banten. This research method uses quantitative analysis based on primary wave height data which is connected with some secondary data, to produce the value of the wave transmission coefficient and the effectiveness percentage of sea wave attenuation. Based on the results of the study showed that the average height of the incident wave was 224.60 cm and the average height of the transmission wave was 169.66 cm. The results of the analysis showed that the average value of the transmission coefficient was 1.32 and the level of effectiveness of the breakwater in absorbing the waves was 24.42%. Based on the value of the effectiveness of the breakwater it can be said that the existing breakwater at the Port of Karangantu, Serang Regency is quite effective in reducing the incident wave action..
Alat Ukur Kecepatan Angin Permukaan Air Laut Berbasis Mikrokontroler Waluyo Waluyo; Meli Ruslinar
Barakuda'45 Vol 2 No 2 (2020): Edisi November
Publisher : Fakultas Perikanan dan Ilmu Kelautan Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (851.713 KB) | DOI: 10.47685/barakuda45.v2i2.90

Abstract

The microcontroller is one technology that is developing so rapidly with various types and functions, one of which is Arduino Uno which can be used as a microcontroller for various functions in the field of electronics technology. This research was conducted at the Laboratory of Ocean Engineering Modeling, Marine and Fisheries Polytechnic of Karawang in March-June 2020. The purpose of this study was to create a microcontroller-based sea surface wind speed measuring instrument. Based on the results of the acquisition of wind data using a fan simulation and natural wind gusts with different wind speeds in the field show a significant tool response. The results of the comparison of data recording between the results of research with the existing wind speed measuring instrument show that there is an average tool error of 3.24%, a relative error of 3.78%, and an instrument accuracy rate of 96.76%. Thus it can be said that the ability of the tool is able to record wind data with high accuracy.
Co-Authors Amdani Amdani Etty Riani Meli Ruslinar Seruni Ajeng Amiati Taslim Arifin Yonvitner -