suzanne Undap
FPIK UNSRAT MANADO

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KANDUNGAN LOGAM BERAT ARSEN PADA ALGA Kappaphycus alvarezii SERTA SEDIMEN DI PERAIRAN DESA BUKU KECAMATAN BELANG KABUPATEN MINAHASA TENGGARA Laurenzy Tampongangoy; Desy M H Mantiri; Darus SJ Paransa; Rizald M Rompas; James J H Paulus; suzanne Undap
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 2 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.2.2021.35514

Abstract

Kappaphycus alvarezii is one species algae that is very widely developed in the tropical waters, especially in Indonesia. The potential in these waters may decrease due to heavy metal pollution that accumulates in algae and sediments. Analyzing the content of heavy metal arsenic (As), using the SNI 01-2896-1998 test method, namely the metal contamination test method in food. The results obtained from this study were samples of brown and green Kapapphycus alvarezii taken from week I-V detected containing heavy metal arsenic (As) ranging from 0.17 - 0.42 ppm for green algae and 0.12 - 0.37 ppm for brown algae. This As concentration does not exceed the maximum heavy metal limit, which is 1.0 ppm for the maximum limit for heavy metal contamination in food. The concentration of heavy metal in sediments is 1.12 ppm, not exceeding the quality standard in the Environmental Protection Agency (EPA), the maximum heavy metal limit for arsenic in sediment is below 10 mg/kg
RUMPUT LAUT Eucheuma denticulatum SEBAGAI FITOREMEDIATOR PERTUMBUHAN UDANG VANAME (Litopenaeus vannamei) Wilmy Etwil Pelle; Adnan Wantazen; Suzanne Undap; Edwin LA Ngangi
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 3 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.3.2021.36920

Abstract

The long-term goal of this research is the management of vaname shrimp culture that is certified "Good Fish Cultivation" (GFC) based on environmentally friendly and sustainable technology so that its products can be accepted in domestic and foreign markets. The specific target is the implementation of phytoremediation technology in shrimp aquaculture at the Marine Field Station owned by FPIK UNSRAT which will be developed into the North Sulawesi Marine Education Center (NSMEC) area. The long-term goals and specific targets above will support the leading areas of maritime and maritime affairs in the Unsrat Research Master Plan. Analysis of water quality parameters and shrimp growth response using controlled-scale phytoremediation technology was carried out to see the remediation ability of Eucheuma denticulatum seaweed. Research method using phytoremediation technology application on white shrimp cultivation in the form of demonstration plots. The average growth in the plots provided with seaweed ranged from 8.3 g to 8.4 g. While the control that was not stocked with seaweed, the average weight growth was 6.6 g. This figure shows quite different values for different treatments. Water quality parameters such as DO, pH showed better water quality conditions in the plots spread with seaweed. This shows that Eucheuma denticulatum seaweed is capable of being a phytoremediator for the environment where the vannamei shrimp (Litopenaeus vannamei) is present. Seaweed Eucheuma denticulatum has the ability to absorb waste such as the faces of white shrimp (Litopenaeus vannamei). Keywords: phytoremediation, seaweed, vaname shrimp, East Likupang.