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All Journal HAYATI Journal of Biosciences ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Maspari Journal Biosel: Biologi Science and Education Journal of Tropical Marine Science Makara Journal of Science
Anna Ida Sunaryo Purwiyanto
Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Energy Environmental Science

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Variasi Lingkungan Perairan dan Respons Komunitas Lamun di Pulau Pahawang Lestari, Tridyah; Aryawati, Riris; Aryawati, Wike Ayu Eka; Melki; Purwiyanto, Anna Ida Sunaryo
Biosel Biology Science and Education Vol. 15 No. 1 (2026): BIOSEL (Biology Science and Education: Jurnal Penelitian Sains dan Pendidikan)
Publisher : INSTITUT AGAMA ISLAM NEGERI AMBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33477/bs.v15i1.12453

Abstract

Seagrass ecosystems play a crucial role in maintaining coastal environmental stability, yet their presence in Pahawang Island shows a declining trend due to human activity pressures and changes in aquatic conditions. This study aims to describe the structure of the seagrass community and analyze its correlation with environmental parameters at four stations with different characteristics. Seagrass data collection was conducted using the transect-quadrant method to measure coverage, density, and species composition, while environmental parameters observed included temperature, salinity, pH, dissolved oxygen (DO), current, and water clarity. The results showed the presence of three seagrass species, namely Enhalus acoroides, Thalassia hemprichii, and Halodule uninervis, with varying coverage and density across locations; the best condition was found at the natural station and the lowest at the pier area. The diversity index was classified as low, while uniformity and dominance varied according to human activity levels around the water. PCA analysis indicated that salinity, current, clarity, DO, pH, and temperature contribute differently at each station and collectively influence the variation in the seagrass community. These findings emphasize that differences in environmental quality and the intensity of anthropogenic disturbances are key factors determining the condition of the seagrass beds in Pahawang Island.  Keywords: Seagrass, Water Quality, Community Structure, PCA, Pahawang Island
Co-Authors Afdal Afdal, Afdal Alan Frendy Koropitan Ani Haryati, Ani Apon Zaenal Mustopa Aristiantin, Yeshi Aryawati, Wike Ayu Eka Barus, Beta Susanto Dietriech Geoffrey Bengen Faisal Hamzah Fauziyah Fauziyah Fauziyah Filipus, Rachmat Adi Fitri Agustriani Gaol, Arsyat Sutarso Lumban Gusri, Ariqoh Athallah Gusti Diansyah Hanif Budi Prayitno Harahap, Diny Novita Sari Hartoni Lestari, Tridyah Meiyerani, Jeni Melki Melki Melki Novi Susetyo Adi, Novi Susetyo Ramadhian, M. Zalfa Rastina, Rastina Riris Aryawati Rozirwan . RR. Ella Evrita Hestiandari Satria Rio Sandro SUSI LESTARI Tri Prartono Ulfah, Azrina Wahyudi, A’an Johan Wike Ayu Eka Putri Yulianto Suteja