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Gea, James Hendrafor
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Engineering Environmental Science

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Ekosistem Perairan Payau: Struktur, Komponen, Dan Peran Ekosistem Dalam Mendukung Biodiversitas Pesisir Gea, James Hendrafor; Telaumbanua, Andika Taufik Perdamaian
Jurnal Perikanan dan Kelautan Vol. 2 No. 1 (2025): PERAUT - Juni
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/peraut.v1i1.701

Abstract

Brackish water ecosystem is a transition system between fresh water and sea that plays an important role in supporting biodiversity and the lives of coastal communities. This study aims to identify biotic and abiotic components in brackish waters, as well as to examine their ecological and social roles. The observation method was carried out in Muara Indah, North Gunungsitoli, with a direct observation approach. The results show that this ecosystem is inhabited by mangrove vegetation such as Rhizophora apiculata and Avicennia marina, as well as fauna such as Scylla serrata and Hemiramphidae. The abiotic components observed include moderate salinity, muddy substrates, and calm water flow. This study emphasizes the importance of sustainable management of brackish water ecosystems that are vulnerable to human activities.
Simulasi Identifikasi Makrozoobentos Sebagai Bioindikator Kualitas Air Di Universitas Nias Gea, James Hendrafor; Telaumbanua, Andika Taufik Perdamaian
Jurnal Perikanan dan Kelautan Vol. 2 No. 1 (2025): PERAUT - Juni
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/peraut.v1i1.702

Abstract

Macrobenthos are benthic organisms measuring more than 0.5 mm that live at the bottom of waters such as rivers, lakes, and seas. These organisms play a crucial role in maintaining the balance of aquatic ecosystems, both as decomposers of organic matter, as part of the food chain, and as bioindicators of aquatic environmental quality. This study aims to identify macrobenthos species through image-based visual simulations and to evaluate the potential of each species in indicating water quality conditions. The methods used include morphological classification using simple identification keys, group discussions, and analysis of species tolerance levels to pollution. Five species were identified: Perna viridis, Scylla serrata, Litopenaeus vannamei, Nereis virens, and Panulirus versicolor, which showed varying tolerance levels to water pollution from low to high. These findings reinforce the use of macrobenthos as an effective and economical biological monitoring tool, particularly in educational activities and water resource management. Visual simulations have proven to be a relevant method for enhancing students' understanding of aquatic biodiversity while raising awareness of the importance of aquatic environmental quality.
Co-Authors Telaumbanua, Andika Taufik Perdamaian