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All Journal Jurnal Biologi Tropis Jurnal Perikanan
Sari, Dian Apriana
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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ECONOMIC FISH LANDED AT THE NUSANTARA FISHERY PORT (PPN) AWANG BAY Zahara, Asha Aulia; Zain, Baiq Kharisma Afrilia Putri; Sari, Dian Apriana; Oktaviani, Nur Intan; Zamroni, Yuliadi
Jurnal Perikanan Unram Vol 15 No 1 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i1.734

Abstract

Pelabuhan Perikanan Nusantara (PPN) Teluk Awang berada di Desa Mertak, Kabupaten Lombok Tengah berpotensi sebagai pusat pertumbuhan ekonomi berbasis usaha perikanan. Perikanan sebagai salah satu sektor ekonomi yang memiliki peran penting terutama dalam menyediakan bahan pangan khususnya protein hewani. Penelitian ini bertujuan untuk mengidentifikasi jenis ikan-ikan ekonomis yang didaratkan di PPN Teluk Awang. Pengamatan sampel ikan dilakukan di PPN Teluk Awang, Kecamatan Pujut Kabupaten Lombok Tengah, pada bulan Oktober 2022. Berdasarkan hasil penelitian didapatkan 41 spesies ikan ekonomis yang tergolong ke dalam 20 famili. Ikan-ikan yang didaratkan oleh nelayan dapat dikelompokkan ke dalam ikan pelagis besar, pelagis kecil, ikan karang dan ikan demersal. Jenis ikan yang paling dominan ditemukan dari famili Scombridae (pelagis besar) dan Serranidae (ikan demersal).
Spatial Distribution of Mangrove Density in Gili Gede, West Lombok Regency Sari, Dian Apriana; Virgota, Arben; Sukiman, Sukiman; Farista, Baiq
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i3.6486

Abstract

Gili Gede hosts a vital mangrove ecosystem, essential for the community and protecting coastal areas from large waves. However, increasing development and human activities in and around the mangrove areas threaten their distribution and extent. This study aims to map the spatial distribution, density, and area of mangroves on Gili Gede. Sentinel-2A satellite imagery was utilized with the Normalized Difference Vegetation Index (NDVI) method, and the image data were validated using hemispherical photography. Environmental parameters measured included sediment salinity, temperature, pH, humidity, NPK nutrients, and substrate type. Additional data were gathered on slope, buffer distances, and through semi-structured interviews using purposive sampling. The findings revealed that the mangrove density on Gili Gede is predominantly sparse, covering 15.56 hectares or 77.07% of the total mangrove area. Medium-density mangroves span 3.45 hectares or 17.09%, while dense mangroves occupy the smallest area, 1.18 hectares or 5.84%. Mangroves are distributed across the northern, western, and eastern sides of Gili Gede. The study identified 22 species of mangroves, both true and associated, across 14 families. Environmental factors influencing the distribution, density, and extent of mangroves across three locations include sediment salinity, temperature, pH, humidity, and nutrient content (NPK), as well as substrate type, slope, and anthropogenic influences such as human activities and the proximity of settlements to the mangrove ecosystem.
Co-Authors Farista, Baiq Oktaviani, Nur Intan Sukiman Sukiman Virgota, Arben Yuliadi Zamroni Zahara, Asha Aulia Zain, Baiq Kharisma Afrilia Putri