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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Jurnal Ilmu Kelautan Lesser Sunda
Salwa, Hanna
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Environmental Science Library & Information Science Social Sciences

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Sebaran Spasial Plankton dan Klorofil-a sebagai Indikator Penentuan Daerah Potensial Penangkapan Ikan di Perairan Gili Trawangan: Spatial Distribution of Plankton and Chlorophyll-a as Indicators for Determining Potential Fishing Grounds in the Waters of Gili Trawangan Salwa, Hanna; Paryono; Larasati, Chandrika Eka
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 16 No. 3 (2024): 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.v16i3.57446

Abstract

A high abundance of plankton serves as an indicator of water fertility and can be used to identify potential fishing grounds. Fishing grounds are determined by analyzing the presence and density of fish schools in a given area. This study aims to assess the spatial distribution of phytoplankton, zooplankton, and chlorophyll-a to identify potential fishing zones. The research was conducted in March 2024 in Gili Trawangan, covering 12 sampling stations. Sampling locations were selected using a purposive sampling method based on water characteristics, prioritizing areas with high plankton and chlorophyll-a concentrations. The results indicate that the southern waters of Gili Trawangan, particularly Stations 03 and 05, have strong potential as fishing zones due to their high phytoplankton, zooplankton, and chlorophyll-a concentrations. Similarly, Station 09 in the eastern waters exhibits the highest abundance of all parameters; however, its proximity to the harbor makes it unsuitable for fishing activities. Overall, Gili Trawangan meets the criteria for a viable fishing ground due to the high abundance of plankton species, which serve as a primary food source for fish. The dominant plankton species in these waters include Coscinodiscus sp., Rhizosolenia sp., and Nauplius sp.. A higher plankton abundance correlates with increased water productivity, leading to greater fish availability in these waters.
Perbedaan Geomorfologi Lahan Desa Rempek dan Desa Pusuk Tanjung Kabupaten Lombok Utara, Nusa Tenggara Barat Salwa, Hanna; Jayawangsa, Rahman; Parwati, Galuh; Ashari, Rowi; Andriyani Lestariningsih, Wiwid; Larasati, Chandrika Eka
Jurnal Ilmu Kelautan Lesser Sunda Vol. 5 No. 1 (2025): Jurnal Ilmu Kelautan - Lesser Sunda
Publisher : Program Studi Ilmu Kelautan, Jurusan Perikanan dan Ilmu Kelautan, Fakultas Pertanian, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jikls.v5i1.127

Abstract

There are two villages in North Lombok Regency, namely Rempek Village and Tanjung Village which have many clusters of hills which are usually connecting routes between districts, namely West Lombok Regency and North Lombok Regency. This study aims to determine the differences in land forms in two villages, namely Pusuk Tanjung Village and Rempek Village, North Lombok Regency. The data identified the geomorphology of the landform using remote sensing, digital elevation models (DEM), and interview observation data. It is known that the slope in the Rempek Village area has a slope that varies with lowland formations, highlands, and there are low hills, steep hills, and mountains. which has hilly areas with the potential for landslides caused by porous soil structures and Pusuk Tanjung Village with land formations. lowlands, mountains, low hills, and high hills and steep hills that have the potential for landslides which are influenced by human activities (anthropogenic) due to dredging of hills which are used as road access.
Co-Authors Andriyani Lestariningsih, Wiwid Ashari, Rowi Chandrika Eka Larasati, Chandrika Eka Jayawangsa, Rahman Parwati, Galuh Paryono