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All Journal Jurnal Sains Teknologi dan Lingkungan (JSTL)
Anna Ida Sunaryo Purwiyanto
Jurusan Ilmu Kelautan, Fakultas MIPA, Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Computer Science & IT Public Health

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Variasi Kontaminasi Mikroplastik pada Kerang Dara (Anadara granosa) berdasarkan Ukuran Individu di Pasar Induk Jakabaring, Palembang Syakira Nurrachman Fadillah; Beta Susanto Barus; Wike Ayu Eka Putri; Gusti Diansyah; Yulianto Suteja; Anna Ida Sunaryo Purwiyanto
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 12 No. 2 (2026): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v12i2.1065

Abstract

Blood cockles (Anadara granosa) are filter-feeding bivalves that may accumulate microplastics and become a pathway of human exposure through seafood consumption. This study analyzed size-based variation in microplastic contamination in blood cockles marketed at Jakabaring Central Market, Palembang, Indonesia. Fifteen individuals were classified into three size groups: small (<3 cm), medium (3–4 cm), and large (>4 cm). Microplastics were extracted using 10% KOH digestion and identified microscopically according to abundance, shape, and color. The results showed a slight increase in abundance from 12.8 particles/individual in small cockles to 13.0 and 14.6 particles/individual in medium and large cockles, but the differences were not significant (p=0.467). Fragments were the dominant shape, while black particles predominated in all size groups. Pearson correlation indicated a weak positive relationship between soft tissue weight and microplastic abundance (r=0.360; p=0.188). These findings indicate that contamination is driven by pollution sources and environmental conditions rather than individual size.
Evaluasi Eko-Teknis Struktur Habitat Lamun dan Kelimpahan Echinodermata di Pulau Pahawang Nurdiana Nurdiana; Anna Ida Sunaryo Purwiyanto; Riris Aryawati; Isnaini Isnaini; Hartoni Hartoni
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 11 No. 4 (2025): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v11i4.943

Abstract

Seagrass ecosystems serve as important habitats for various marine organisms, including Echinodermata. This study aims to examine the relationship between seagrass cover and the abundance of Echinodermata in the waters of Pahawang Island. Sampling was conducted at four stations using the transect–quadrat method, followed by species identification and measurements of seagrass cover. Three seagrass species were recorded: Enhalus acoroides, Thalassia hemprichii, and Halodule uninervis. Eight species of Echinodermata from four classes were found, with Diadema setosum being the most abundant and occurring at all stations. Other species appeared selectively, depending on local habitat conditions. Higher Echinodermata abundance was observed in areas with greater seagrass cover. Regression analysis revealed a positive relationship between seagrass cover and Echinodermata abundance, indicating that denser seagrass beds support higher population levels. Overall, the condition of seagrass ecosystems plays a key role in shaping the abundance and distribution of Echinodermata, highlighting the importance of conserving seagrass habitats around Pahawang Island.
Co-Authors Beta Susanto Barus Gusti Diansyah Hartoni Hartoni Isnaini Isnaini Nurdiana Nurdiana Riris Aryawati Syakira Nurrachman Fadillah Wike Ayu Eka Putri Yulianto Suteja