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Annelid Biodiversity In Dead Corals Against Pollution In Tarahan Island Baretta Ari Nauli; Zahra Amalia Putri; Rita Arisma Banjarnahor; Habil Hisyam; Bagas Septian Pratama; A'tha Dhafa Bayu Setya; Moch Saad; Prakas Santoso; Afifah Nurazizatul Hasanah
Grouper Vol. 16 No. 2 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i2.324

Abstract

Tarahan Island is one of the small islands located in the waters of Banten Bay, Banten Province. This study aims to determine the cryptic organisms found on dead corals and determine the level of seawater pollution with TSS, BOD, COD parameters used as variables for assessing the status of water pollution in Tarahan Island, Banten. The method used in this research is using Purposive Sampling location determination. Data collection was carried out on March 26, 2025 to May 15, 2025 on Tarahan Island. Based on the results of the study found 42 individuals of the phylum Annelida. The most common species found was Alitta Succinea. The results of TSS research showed an average concentration of 377.77778 mg/L and BOD had an average concentration of 0.616667 mg/L.
Seawater Pollution Level and Biodiversity Diversity in Tarahan Island, Serang, Banten Anita Fanoura; Najmi, Sabilla; Wahdaniyah Pratiwi; Faisal Akbar Munggaran; Muhamad Niam Bastomi; Moch Saad; Prakas Santoso; Afifah Nurazizatul Hanasah; Bagus Syahriil Fahlevi
Grouper Vol. 16 No. 2 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i2.329

Abstract

Coastal ecosystems are transitional areas between land and sea with high biodiversity. However, currently coastal ecosystems are experiencing complex changes, many developments and activities in coastal areas cause indirect damage. One of the impacts is the entry of pollutants from land into the sea, such as heavy metals, pesticides and organic waste, which can disrupt the balance of marine biodiversity. This study aims to analyze the diversity of biodiversity and the level of seawater pollution in Tarahan Island, Serang, Banten. The method used was purposive sampling for water sampling, cryptic biota and seagrass. Biota identification was done visually using scientific references such as the World Register of Marine Species (WoRMS), while the level of water pollution was measured through Biochemical Oxygen Demand (BOD) and Total Suspended Solid (TSS) analysis.