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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis ILMU KELAUTAN: Indonesian Journal of Marine Sciences JSEH (Jurnal Sosial Ekonomi dan Humaniora) Jurnal Sains Teknologi dan Lingkungan (JSTL) Jurnal Belantara Jurnal Biologi Tropis SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Ilmu Kelautan Kepulauan Jurnal Pengabdian Magister Pendidikan IPA Jurnal Abdi Insani Jurnal Pengabdian Perikanan Indonesia Jurnal SIAR ILMUWAN TANI Jurnal Pepadu Jurnal Ilmu Kelautan Lesser Sunda
Mahardika Rizqi Himawan
Jurusan Perikanan Dan Kelautan, Fakultas Pertanian, Universitas Mataram
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Kelimpahan dan Biomassa Ikan Karang di Kawasan Konservasi Perairan Gili Balu, Kabupaten Sumbawa, Nusa Tenggara Barat Himawan, Mahardika Rizqi; Hidayatullah, Rahmat; Prabuning, Derta; Lestariningsih, Wiwid Andriyani
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 10 No. 2 (2024): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v10i2.656

Abstract

The Gili Balu Marine Conservation Area (KKP), located in Sumbawa Regency, West Nusa Tenggara, is ecologically and economically significant due to its rich coral reef ecosystems. This research aims to measure the abundance and biomass of reef fish in the KKP Gili Balu, which can be used as a basis for evaluating the effectiveness of conservation efforts in maintaining marine biodiversity. The Underwater Visual Census (UVC) method was used, recording types of reef fish at ten observation points. The results showed that the highest abundance was found on Mandiki Island, with functional fish abundance reaching 2973 ind/ha, followed by Pasareang Barat Island (1903 ind/ha) and South Kalong (1600 ind/ha). The biomass of functional fish also reflects their important role in maintaining the balance of the coral reef ecosystem. This research contributes to the scientific understanding of marine biodiversity in the KKP Gili Balu and provides a basis for sustainable conservation management efforts. Additionally, the research recorded the presence of several coralivorous and economically important fish species, although they tend to be smaller compared to functional fish. Economically important fish in the KKP Gili Balu waters were found only at four observation locations: East Belang Island, North Belang, Kenawa, and Southwest Namo. The highest value was recorded at Kenawa Island, with 93 ind/ha. These fish tend to be rare in this area, possibly due to past fishing practices.
Analisis Perubahan Luasan Mangrove Menggunakan Citra Landsat 7 dan Landsat 8 di Teluk Jor, Kecamatan Jerowaru, Kabupaten Lombok Timur Muh. Marwan; Himawan, Mahardika Rizqi; Amir, Sadikin
Jurnal Ilmu Kelautan Lesser Sunda Vol. 4 No. 2 (2024): 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.v4i2.126

Abstract

Mangroves are vegetation that generally have woody stems and consist of shrubs whose life cycle is on the coast and can adapt to tidal seawater. This study aims to identify mangrove species, density conditions, frequency, damage criteria, and temporal changes in mangrove areas using Landsat 7 ETM and Landsat 8 OLI-TIERS imagery data in Teluk Jor. This research was conducted from June to July 2024 in Teluk Jor with a total of 9 observation plots. The methods used in this study include remote sensing methods and location point determination using purposive sampling methods. The data analysis used in this study includes vegetation density analysis and remote sensing analysis for mangrove mapping. The results showed that there were 6 types of mangroves found in Teluk Jor, namely Avicennia marina, Ceriops tagal, Rhizophora apiculata, Rhizophora stylosa, Sonneratia alba, and Sonnerati caseolaris. The highest density of mangrove species in Teluk Jor was Rhizophora apiculata with 3,034 ind/ha, and the lowest density of mangrove species was Ceriops tagal with 67 ind/ha, with the highest frequency being Rhizophora apiculata. The highest total mangrove vegetation density in the second transect was 3,833 ind/ha, and the lowest total mangrove vegetation density in the third transect was 1,967 ind/ha. The standard criteria for mangrove forest damage in Teluk Jor are in good condition with dense density, and there has been a decrease in the mangrove ecosystem area from 2003 to 2023 by 72.94 Ha.
Co-Authors Adiba, Nur Adiwijaya, Cakra Afid Wisnubroto Agung, Wahyu Alam, Dita Hikmatul Amar, Fahri Anggereni, Aprilia Anggraini, Nurlita Putri Araujo, Gonzalo Ardiansyah, Yanuar Asmileen, Suci Dwi Atmaja, Putu Satya Pratama Ayu Adhita Damayanti Ayu Adhita Damayanti Ayu Adhita Damayanti Baiq Hilda Astriana Baiq Hilda Astriana Budhy Setiawan Cahaya, Himaya Kartika Chandrika Eka Larasati Chandrika Eka Larasati Chandrika Eka Larasati Chandrika Eka Larasati, Chandrika Eka Devi, Lokita Dewi, Amalia Sartika Diah Permata Sari Edwin Jefri Edwin Jefri Edwin Jefri Eni Hidayati Eni Hidayati Eni Hidayati Eni Hidayati Eni Hidayati Fadillah, Fitri Fakhrurrozi Fitriani, Rahmah Gigentika, Soraya Hamzah, Hamzah Hardianty Hardianty Hariadi, Muhammad Dipa Hawis H Madduppa Hernawati Hernawati Hery Widijanto Himawan, Cahya Hotmariyah, Hotmariyah Ibadur Rahman Ibadur Rahman Ibadur Rahman Ibadur Rahman Ida Ansharyani Idris Idris Irwan Mahakam Lesmono Aji Jefri, Edwin Jotham S R Ninef Jurnal Pepadu Khaldun, Muhammad Hafidz Ibnu Lalu Ferdi Alfarisi Murdin Lalu Ferdi Alfarisi Murdin Lalu Kukuh Mahendra Lalu Kukuh Mahendra lestariningsih, Wiwid Lestariningsih, Wiwid Andriyani Lestrariningsih, Wiwid Andriyani Lora Santika Mahendra, Putra Ivan Majariana Krisanti Majerus, Kara Muriel Angela Martanina Martanina Maulita Syahdina Maulita Syahdina Muh. Marwan Muhammad Sumsanto Murtiyoso, Mahbub Niechi Valentino Nurliah Nurliah Buhari Nurliah Buhari Nurliah Buhari Nurliah Buhari, Nurliah Nurliah Nurliah Nurliah Nurliah Nyoman Widi Artha Putra Ofri Johan Paryono Paryono Paryono Paryono Paryono Paryono Paryono Paryono Paryono1 Prabuning, Derta Pratama, Alfian Putra, Brilliant Rudzaky Ridwan Rahman, Ibadur Rahmat Hidayatullah Rhojim Wahyudi Rosyada, Vivian Rowi Ashari Sadikin Amir Sadikin Amir Santana, Lalu Bagus Santika, Lora Saptono Waspodo Sholihati Lathifa Sakina Sholihati Lathifa Sakina Siagian, Raja Aditya Sahala Siahaya, Patrick Alexander Sigit Hariyanto Sitti Hilyana Sitti Hilyana Sitti Hilyana Sitti Latifah Sitti Latifah Soraya Gigentika Soraya Gigentika Sultansyah, Muhammad Ta'yuni, Qur'a Tania, Casandra Tilahunga, Sukirman Tilahunga, Sukirman Dj Utami, Widia Tri WIBISONO, RENDY VIDYA Wiwid Andriyani Lestariningsih Wiwid Andriyani Lestariningsih Wiwid Andriyani Lestariningsih Wiwid Andriyani Lestariningsih Z, Muhammad Fayyadh A.