Abstract
Administratively Bedukang coastal waters get into the District of Riau Silip Bangka. There is a tin mining activities and farms in the region that directly or indirectly provide significant pressure on water quality in the region. The purpose of this study was to analyze the characteristics of the quality of coastal waters Bedukang and assess the degree of pollution in coastal waters Bedukang using Pollution Index (IP). Methods of data collection was done at 4 stations by purposive sampling. Insitu measurement parameters are parameters of temperature, pH, and salinity and measurement parameters are parameters exsitu TSS, TDS, BOD, Metals Pb and Total Coliform. Analysis of water quality data using Pollution Index (IP). The results show the value of IP, namely at the first station, the station 3 and the station 4, including lightly polluted category with the value of each value of 2.819, 1.025 and 1.022. At station 2 including good water quality category with the pollution index value of 0.919.There are 3 point lightly polluted so it needs special attention from the local government in the utilization of resources in the region.
Highlights
Perairan pesisir Bedukang merupakan salah satu wilayah pesisir di daerah utara Bangka
Administratively Bedukang coastal waters get into the District of Riau Silip Bangka
The purpose of this study was to analyze the characteristics of the quality of coastal waters Bedukang
Summary
Penelitian dilakukan pada bulan Mei 2018 di perairan pesisir Bedukang di Desa Deniang, Kecamatan Riau Silip, Kabupaten Bangka. Pengambilan sampel air laut di lokasi penelitian menggunakan van dorn water sampler ukuran 1 L dari kedalaman 0-30 cm. Sampel kemudian dimasukkan ke dalam botol polietilen penelitian dan dimasukan kedalam cold box dalam suhu dingin kemudian dianalisis di laboratorium (Amin, 2011). Pengambilan sampel sedimen menggunakan Van Veen Grab hingga kedalaman mencapai dasar dengan luas bukaan 0,04 m2. Sampel tersebut dimasukkan ke dalam plastik yang telah disediakan untuk dianalisis di laboratorium (Andri, 2012). Logam Berat Pb pada sedimen dilakukan dengan proses sampling berdasarkan metode uji Toxicity. EPA dan dianalisis dengan alat AAS (Cahaya, 2015) sedangkan pengujian tekstur sedimen menggunakan metode uji analisis kelas tekstur tanah diklasifikasikan menggunakan konsep gradasi USDA Nilai persentase jenis butir sedimen (pasir, liat dan debu) yang telah di dapat dihubungkan untuk tiap masing- masing sampel (Handayani et al, 2017)
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