Electronic Theses and Dissertation

Pelabuhan Perikanan Samudera (PPS) Lampulo merupakan salah satu pusat perdagangan ikan serta industri perikanan di Banda Aceh sehingga berpotensi mengalami pencemaran akibat aktivitas antropogenik. Penelitian mengenai kajian konsentrasi logam berat timbal (Pb) serta bioremediasinya menggunakan bakteri Staphylococcus aureus telah dilakukan pada bulan Desember 2021. Penentuan lokasi penelitian menggunakan metode purposive sampling. Selanjutnya, sampel sedimen dan air dianalisis menggunakan alat Inductively Coupled Plasma-Mass Spectrometry (ICP-MS). Hasil penelitian menunjukkan bahwa konsentrasi logam berat Pb pada sampel sedimen berkisar antara 210,62 mg/Kg – 247,93 mg/Kg yang mengindikasikan PPS Lampulo tergolong tinggi merujuk pada Swedish Environmental Protection Agency (SEPA). Sedangkan konsentrasi Pb pada sampel air berkisar antara 161,91 mg/L - 168,23 mg/L yang mengindikasikan melewati ambang batas pada pelabuhan, biota laut, dan wisata bahari merujuk pada baku mutu PPRI No.22 tahun 2021. Analisis lebih lanjut menggunakan metode bioremediator menunjukkan konsentrasi logam berat Pb pada sedimen setelah proses bioremediasi berkisar antara 0,72 mg/Kg – 2,72 mg/Kg dan 0,18 mg/L – 1,55 mg/L pada air. Hasil ini mengindikasikan bahwa penggunaan bakteri gram positif S. aureus memiliki potensi sebagai bioremediator dalam menurunkan konsentrasi logam berat Pb.

Kata Kunci: Pelabuhan Perikanan Samudera, Timbal, Inductively Coupled Plasma-Mass Spectrometry, Bioremediasi

The Lampulo Marine Fishery Port is one of the centers for the fish trade and fishing industry in Banda Aceh which has the potential to experience pollution due to anthropological activities. Research on the concentration of heavy metal lead (Pb) and the use of Staphylococcus aureus as the bioremediation bacteria were conducted in December 2021. The location of the study was determined by the purposive sampling method. Furthermore, sediment and water samples were analyzed using Inductively Coupled Plasma-Mass Spectrometry (ICP-MS). The results showed that the concentration of heavy metal Pb ranged from 210.62 mg/Kg – 247.93 mg/Kg and 161.91 mg/L - 168.23 mg/L in sediment and water, respectively. Consequently, this result indicates that the Lampulo Marine Fishery Port is a heavily polluted area based on the Swedish Environmental Protection Agency (SEPA) and the government regulators of Indonesia. On the other hand, we tried to reduce the concentration of heavy metal by applying the bioremediation method using S. aureus, a gram-positive bacteria. As a result, the concentrations of heavy metal Pb have been reduced from 210.62 mg/Kg – 247.93 mg/Kg to 0.72 mg/Kg – 2.72 mg/Kg and 161.91 mg/L - 168.23 mg/L to 0.18 mg/L – 1.55 mg/L in sediment and water, respectively. Therefore, the presence of S. aureus has been believed to play an important role in the reduction of heavy metal concentration. Keywords: Ocean Fishing Port, Lead, Inductively Coupled Plasma-Mass Spectrometry, Bioremediation