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All Journal JURNAL GALUNG TROPIKA Jurnal Hutan Tropika Buletin Poltanesa Idea Pengabdian Masyarakat
Irfan Fauzi
Universitas Muhammadiyah Sinjai
Agriculture, Biological Sciences & Forestry Computer Science & IT Dentistry Education Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Nursing Public Health

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Plankton Biodiversity as an Indicator of the Health of the Estuary Ecosystem in Sinjai Regency, South Sulawesi A Liswahyuni; Andi Tenriawaruwaty AR Zulkifli; Uspar Uspar; Irfan Fauzi; Ridha Alamsyah; Armita Permatasari
Poltanesa Vol 27 No 1 (2026): June 2026
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v27i1.3617

Abstract

River estuaries are highly dynamic estuarine ecosystems. These ecosystems are sensitive to environmental changes, both caused by natural factors and human activities. Plankton community structure plays a crucial role as a biological indicator that reflects the ecological conditions and fertility levels of a body of water. This study aimed to analyze the diversity and abundance of plankton in five river estuaries in Sinjai Regency, including Lappa, Sinjai, Baringeng, Bua, and Pattongko Stations. This study also assessed the relationship between plankton presence and water physicochemical parameters. Sampling was conducted purposively, and plankton identification was performed microscopically. The results showed that 19 species of phytoplankton and 4 species of zooplankton were successfully identified. Diatoms dominated the phytoplankton species, such as Chaetoceros affinis, Nitzschia sigma, and Skeletonema costatum. The dominance of diatoms indicates water conditions ranging from mesotrophic to eutrophic, influenced by nutrient inputs in the form of nitrate and phosphate from land-based activities. The ANOVA test results showed no significant differences between stations (p > 0.05), indicating homogeneity of estuarine ecosystem conditions across all observation locations. Environmental parameters such as temperature (27–32°C), salinity (1–19 ppt), pH (6.1–7.8), high dissolved oxygen, and nutrient variations also play a role in plankton distribution. These findings provide important baseline information for estuarine ecosystem monitoring and sustainable coastal area management based on bioindicators in Sinjai Regency.
Pembuatan Stik Ikan Tongkol untuk Pemberdayaan Istri Nelayan di Desa Tongke-tongke Kecamatan Sinjai Timur Irfan Fauzi; Andi Tenriawaruwaty; A.Ridha Alamsyah; A Liswahyuni; Andi Panca Wahyuni; Nurul Eka Wijayanti Risa; Uspar Uspar; Armita Peramtasari
Idea Pengabdian Masyarakat Vol. 6 No. 01 (2026)
Publisher : PT.Mantaya Idea Batara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53690/ipm.v6i01.526

Abstract

Ikan tongkol (Euthynnus affinis) salahsatu sumberdaya perairan yang memiliki nilai ekonomis tinggi,ikan tongkol merupakan komoditas yang memberikan kontribusi terbesar terhadap nilai ekspor perikanan Indonesia setelah udang. Salah satu komoditi unggulan perikanan laut di Kabupaten Sinjai merupakan salah satu Kabupaten penyumbang hasil tangkapan ikan tongkol mencapai 2.666,29 ton/tahun. Tujuan dari pengabdian kepada masyarakat merupakan upaya pemberdayaan masyarakat melalui pelatihan untuk memberikan pengetahuan cara mengolah produk-produk perikanan dan penguatan daya saing dalam pembinaan pelaku UMKM. Kegiatan pengabdian kepada masyarakat (PKM) di laksanakan pada tanggal 27 September 2025 yang berlokasi di aula kantor Desa Tongke-tongke. Kegiatan ini dihadiri oleh Dosen Program Studi Manajemen Sumber Daya Perairan UMSi, Aparat Desa, Masyarakat (istri nelayan dan mahasiswa.Metode yang digunakan dalam pengabdian ini yang pertama survey lokasi dan diskusi dengan kepala Desa Tongke-tongke terkait petensi dan permasalahan yang ada di desa, Kedua ceramah dengan memberikan pemahaman kepada masyarakat, ketiga pendampingan pengolahan stik ikan. Dalam kegiatan pengabdian ini masyarakat sangat antusias selama kegiatan berlangsung dan pemerintah desa juga memberikan dukungan kepada masyarakat untuk melaksanakan baik kelompok atau individu guna meningkatkan perekonomian keluarga
Komposisi Jenis dan kandungan Karbon Ekosistem Mangrove di Pantai Hubat Kabupaten Sinjai: Species Composition and Carbon Stock of Mangrove Ecosystem in Hubat Beach, Sinjai Regency, Indonesia Irfan Fauzi; Ridha Alamsyah; Andi Liswahyunih; Andi Tenriawaruwaty
JURNAL HUTAN TROPIKA Vol 21 No 1 (2026): Volume 21 Nomor 1 Tahun 2026
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v21i1.25412

Abstract

The Carbon Content of Mangrove Stands Hubat Beach Sinjai Regency. In the fight against the effects of global warming, mangrove forests are crucial. Mangrove have the capacity to permanently store and absorb carbon from plants. It takes work to learn about and comprehend the capacity of mangrove plants to store and absorb carbon because each mangrove areas contribution to carbon absorption differs. This research was conducted at Hubat Beach, Sanjai Village, East Sinjai Sub-District, Sinjai Regency. Sample measurements were carried out in 8 observation plots spread throughout the mangrove forest. The measured parameters of density, species closure, importance value index and stem diameter. Meanwhile, to determine the carbon content and absorption capacity, the biomass of existing mangrove stands must first be calculated. The research results showed that there were three types of mangroves including Rhizopora mucronata, Sonneratia alba, Avicennia marina. Rhizopora mucronata dominates with a density of 4,230 trees/ha. The diameter of the stem is very small, namely an average of 8.53 cm. The biomass of the Rhizopora mucronata species was obtained on average 105,644 tonnes/ha, carbon content 49,653 tonnes/ha and carbon uptake 182,225 tonnes/ha. Sonneratia alba has a density of 130 trees/h, an average trunk diameter of 22.21 cm. Biomass is 32,484 tonnes/ha with a carbon content of 15,267 tonnes/ha and carbon uptake of 56,032 tonnes/ha. The density of Avicennia marina is 150 trees/ha with an average trunk diameter of 12.64 cm. The carbon content was 1,734 tons/ha and carbon uptake reached 7,536 tons/ha, the biomass obtained was 3,689 tons/ha
Struktur Komunitas dan Stabilitas Ekosistem Lamun di Perairan Pulau Sembilan, Kabupaten Sinjai, Sulawesi Selatan Uspar; A. Liswahyuni; Irfan Fauzi; Ridha Alamsyah; Andi Panca Wahyuni; Nurul Eka Wijayanti Risa Risa
Jurnal Galung Tropika Vol 15 No 2 (2026)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v15i2.1529

Abstract

Seagrass ecosystems are part of the components of tropical coastal ecosystems that have high ecological and economic functions. They provide habitat for marine biota, act as sediment stabilizers, and are very effective blue carbon storage. This study aims to analyze the structure of seagrass communities in the waters of Sembilan Island, Sinjai Regency, South Sulawesi. Data collection was conducted at six stations using quadrat transect and line transect methods to identify species and calculate ecological indices. These indices include Shannon-Wiener Diversity, Pielou Evenness, and Simpson Dominance. The identification results showed that there were seven seagrass species, namely Enhalus acoroides, Thalassia hemprichii, Syringodium isoetifolium, Cymodocea rotundata, Halodule pinifolia, Halophila minor, and Halophila ovalis. The diversity index value was 1.579 (moderate category), uniformity 0.811 (high), and dominance 0.244 (low), describing a relatively stable and ecologically balanced community. Inter-station correlation analysis showed r values ranging from 0.89 to 1.00, indicating high spatial homogeneity and strong ecological connectivity between observation sites. The resulting community structure is a combination of long-lived climax species (E. acoroides, T. hemprichii) and short-lived pioneer species (H. pinifolia, and H. ovalis), which together maintain regeneration dynamics and ecosystem function. These findings indicate that the seagrass meadows on Sembilan Island are healthy, stable, and functioning optimally as a blue carbon ecosystem, playing a crucial role in storing carbon, stabilizing sediments, and supporting coastal resilience to the impacts of climate change.
Co-Authors A Liswahyuni A. Liswahyuni A.Ridha Alamsyah Andi Liswahyunih Andi Tenriawaruwaty Andi Tenriawaruwaty AR Zulkifli Armita Peramtasari Armita Permatasari Nurul Eka Wijayanti Risa Nurul Eka Wijayanti Risa Risa Ridha Alamsyah Ridha Alamsyah Uspar Uspar Uspar Wahyuni, Andi Panca