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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Media Akuakultur Indonesia
Firda, Hasdinar
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Immunology & microbiology Materials Science & Nanotechnology Physics

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Environmental Suitability and Supportability for Seaweed Cultivation Development in Terujung Coastal Area, Labuhan Aji, Sumbawa Firda, Hasdinar; Widigdo, Bambang; Zairion; Yulianto, Gatot
Jurnal Penelitian Pendidikan IPA Vol 11 No 7 (2025): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i7.11449

Abstract

Global demand for seaweed continues to increase, encouraging Indonesia as a major producer to optimise cultivation areas in a sustainable manner. The Terujung coastal area, located within Saleh Bay, has long been used as a location for seaweed cultivation, but has not been scientifically evaluated in terms of aquatic suitability and carrying capacity. This study aimed to assess the level of suitability and environmental capacity of the area to support the sustainable cultivation of Eucheuma sp. in a sustainable manner. Analyses were conducted using a Geographic Information System (GIS)-based spatial approach and evaluation of water physico-chemical parameters and other supporting factors. Results showed that of the total area of 459,576 hectares, approximately 22.92% was classified as suitable, 58,09% as conditionally suitable, and 18.99% as unsuitable. The calculation of carrying capacity shows that only 89,35 hectares of area can be optimally utilized, with a maximum capacity of 178 longline units. This study provides a scientific basis for aquaculture zoning planning based on environmental suitability in the Terujung Coastal water.
THE EFFECT OF HARVESTING ON THE PRODUCTION AND ANTIOXIDANT ACTIVITY OF SEA GRAPE (Caulerpa racemosa) BY RIGID QUADRAN Firda, Hasdinar; Junaidi, Muhammad; Setyono, Bagus Dwi Hari
Jurnal Media Akuakultur Indonesia Vol 2 No 1 (2022): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v2i1.1379

Abstract

Caulerpa racemosa sea grape is one type of seaweed that has bright prospects to be produced and developed, because it has the advantage of being able to produce secondary metabolites and advantages in the pharmaceutical field such as antioxidant activity, anti-coagulant, anti-mutagenic, anti-bacterial, anti-cancer and anti-cancer activity and tumor. However, the quality of production and the content of active ingredients in plants are influenced by the age of harvest, so that there is no decrease in quality and the content of active ingredients is maintained, efforts are needed to be able to inhibit the damage. The purpose of this study was to determine at what harvest age sea grape can produce high production quality and antioxidant activity. The method used in this study is an experimental method with a completely randomized design (CRD). There were 5 treatments, P1 sea grapewas harvested at 20 days old, P2 sea grapewas harvested at 25 days old, P3 sea grapewas harvested at 30 days old, P4 sea grapewas harvested at 35 days old and P5 sea grapewas harvested at 40 days. 3 repetitions. The results showed that the harvest age of Caulerpa racemossa sea grape which were different and cultivated using rigid quadrant nets planting media had a significant effect on absolute growth, but had no significant effect on specific growth rate and had no significant effect on antioxidant levels, to obtain antioxidant levels, absolute weight growth and the optimal specific growth rate in the cultivation of Caulerpa racemossa sea grape, 30-40 days of harvest were used.
Co-Authors . Zairion Bagus Dwi Hari Setyono Gatot Yulianto Muhammad Junaidi