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Revitalisasi Area Bekas Tambak melalui Sistem Silvofishery di Kawasan Ekosistem Mangrove Bagek Kembar, Sekotong Farista, Baiq; Virgota, Arben; Widiyanti, Astrini; Rahayu, Rachmawati Noviana; Saniah, Nur Indah Juli; Bakti, Lalu Arifin Aria; Abidin, Gunawan
Jurnal Pengabdian Magister Pendidikan IPA Vol 7 No 2 (2024): April-Juni
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v7i2.7832

Kawasan Ekosistem Mangrove Bagek Kembar, Sekotong telah dikembangkan sebagai kawasan ekowisata yang dikelola oleh pemerintah dan masyarakat setempat. Kawasan ini terdiri atas tutupan mangrove, tambak, dan lahan terbuka yang mana memiliki potensi untuk lebih dimanfaatkan lagi untuk mewujudkan pembangunan yang berkelanjutan di masyarakat. Salah satu pendekatan yang kini sangat menarik untuk dikembangkan demi mencapai ekonomi berkelanjutan di kawasan ekosistem mangrove adalah silvofishery. Silvofishery merupakan metode pengelolaan ekosistem mangrove yang memadukan antara kegiatan pelestarian ekosistem mangrove dan peningkatan produktivitas tambak. Oleh karena itu, dalam kegiatan pengabdian ini, pengelola kawasan ekowisata dan masyarakat sekitar ekosistem mangrove Bagek Kembar diperkenalkan pada program silvofishery. Pengenalan dilakukan dengan metode sosialisasi dan diskusi langsung dengan masyarakat, pemerintah desa, pokdarwis, dan pemilik lahan mangrove yang dilaksanakan pada bulan Juni 2023 di Bagek Kembar. Setelah diberikan sosialisasi yang diiringi dengan diskusi, semua stakeholder memberikan respon positif terhadap program ini. Semua stakeholder memahami rencana program dan setuju untuk bersinergi dalam mensukseskan program ini. Namun pada perkembangan selanjutnya, pengembangan kegiatan budidaya perikanan di kawasan Bagek Kembar tidak dapat direkomendasikan, karena diperkirakan telah terjadi pencemaran sianida dan merkuri yang berasal dari pertambangan emas oleh masyarakat sekitar berdasarkan beberapa sumber dari masyarakat, media sosial dan pengamatan di lapangan.

Distribusi Spasial Padang Lamun di Pesisir Kecamatan Pemenang, Lombok Utara Salsabila, Baiq Annisya; Farista, Baiq; Sukenti, Kurniasih; Virgota, Arben
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.673

The distribution of seagrass ecosystems along the coast of Pemenang District, North Lombok Regency, plays an important ecological and economic role. However, this ecosystem is vulnerable to damage due to human activities. The purpose of this study was to analyze the spatial distribution and extent of seagrass cover based on its cover density level. This study used remote sensing methods through the interpretation of Sentinel-2A images. The analysis process included image merging, image cropping, water column correction using the Lyzenga algorithm, image classification using supervised and unsupervised methods, and field validation at 60 observation points. The results showed that seagrass meadows were widespread along the coast and Gili islands (Gili Trawangan, Gili Meno, and Gili Air), with a total area of 685.26 ha. Seagrass cover density was classified into three categories, namely high (33.69%), medium (45.02%), and low (21.29%), with a mapping accuracy level of 73.33%. Based on the Decree of the Minister of Environment No. 200 of 2004, most seagrass meadows were categorized as damaged. Factors influencing this condition include domestic waste, tourism activities, ship anchors, human movement (madak), and turtle grazing activity. Seven seagrass species were identified, with Cymodocea rotundata being the most dominant. These findings emphasize the importance of regular monitoring and ongoing management to maintain the sustainability of seagrass ecosystems in the Pemenang coastal area.

Characterization and Identification of Lactic Acid Bacteria (LAB) in Spontanoiusly Fermented Arabika (Coffea arabica L.) Fruits on Lombok Island Muspiah, Aida; Nurrijawati, Nurrijawati; Julisaniah, Nur Indah; Farista, Baiq
Jurnal Biologi Tropis Vol. 25 No. 4a (2025): Special Issue
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.v25i4a.10512

The quality of arabica coffee (Coffea arabica, L) is not only influenced by the quality of the coffee beans, but also by the distinctive flavor that is the main attraction for coffee lovers. Various coffee post-harvest processing methods have been developed, including fermentation. The presence of lactic acid bacteria (LAB) that important in the spontaneous fermentation, cause it can be influenced by the geographical location of arabica coffee plants. Currently, information on the presence of LAB in arabica coffee on Lombok Island has not been available. Therefore, it is important to identify the LAB involved in the spontaneous fermentation of Arabica coffee. This study aims to identify the species of LAB in arabica coffee on Lombok Island by the spontaneous fermentation method. Characterization and identification of bacteria were carried out using phenotypic identification and profile matching methods, which include several observation parameters, colony morphology and cell morphology, physiological tests (bacterial growth at certain pH and temperature), and biochemical tests such as catalase test and carbon source usage. In this study, nine pure isolates that belong to the LAB group were successfully isolated. Based on the identification results, LAB belonged to the genus Lactobacillus. The isolates identified consisted of one isolate of Lactobacillus plantarum (IBK1), one isolate of Lactobacillus sakei (IBK3), and seven other isolates identified as Lactobacillus sp (IBK2, IBK4, IBK5, IBK6, IBK7, IBK8, IBK9). These findings can be the first step in the development of starter cultures for controlled fermentation in Arabica coffee.

The Implementation of a spatial model for developing a flood early warning system in the Kelep River Basin, Lombok, Indonesia: Implementasi model spasial untuk pengembangan sistem peringatan dini banjir di Daerah Aliran Sungai Kelep, Lombok, Indonesia Sugiarta, Lalu Ade; Virgota, Arben; Farista, Baiq; Widiyanti, Astrini
Indonesian Journal of Tropical Biology Vol. 1 No. 2 (2025): August 2025
Publisher : Yayasan Siti Widhatul Faeha

Show Abstract | Download Original | Original Source | Check in Google Scholar

Indonesia, including in the Kelep Watershed, Lombok Island, flood disasters frequently occur. Land use changes and climate variability make this area more vulnerable to floods. This study aims to analyze the distribution and level of flood vulnerability and the dominant factors causing flood vulnerability in the Kelep Watershed. The method used was the weighting of six parameters, namely slope, landform, soil type, rainfall, land use, and river buffer, which were then overlaid using ArcGIS 10.8 software. The results showed that the highly flood-prone areas were spread across all sub-districts in the Kelep watershed, with the highest concentration in Sekotong, Lembar and Southwest Praya sub-districts. The three villages with the highest flood-prone areas are Candi Manik, Sekotong Tengah and Taman Baru. These areas require special attention as they often experience serious impacts due to flooding. Based on the validation test, the RMSE value of 5.95% indicates acceptable accuracy. The resulting flood vulnerability classification map can be used as a flood early warning system or basis for flood risk mitigation and is proposed to be implemented through cross-sector collaboration to improve preparedness and reduce disaster impacts.

The Implementation of a spatial model for developing a flood early warning system in the Kelep River Basin, Lombok, Indonesia: Implementasi model spasial untuk pengembangan sistem peringatan dini banjir di Daerah Aliran Sungai Kelep, Lombok, Indonesia Sugiarta, Lalu Ade; Virgota, Arben; Farista, Baiq; Widiyanti, Astrini
Indonesian Journal of Tropical Biology Vol. 1 No. 2 (2025): August 2025
Publisher : Yayasan Siti Widhatul Faeha

Show Abstract | Download Original | Original Source | Check in Google Scholar

Indonesia, including in the Kelep Watershed, Lombok Island, flood disasters frequently occur. Land use changes and climate variability make this area more vulnerable to floods. This study aims to analyze the distribution and level of flood vulnerability and the dominant factors causing flood vulnerability in the Kelep Watershed. The method used was the weighting of six parameters, namely slope, landform, soil type, rainfall, land use, and river buffer, which were then overlaid using ArcGIS 10.8 software. The results showed that the highly flood-prone areas were spread across all sub-districts in the Kelep watershed, with the highest concentration in Sekotong, Lembar and Southwest Praya sub-districts. The three villages with the highest flood-prone areas are Candi Manik, Sekotong Tengah and Taman Baru. These areas require special attention as they often experience serious impacts due to flooding. Based on the validation test, the RMSE value of 5.95% indicates acceptable accuracy. The resulting flood vulnerability classification map can be used as a flood early warning system or basis for flood risk mitigation and is proposed to be implemented through cross-sector collaboration to improve preparedness and reduce disaster impacts.

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