E3S Web Conf.
Volume 202, 2020The 5th International Conference on Energy, Environmental and Information System (ICENIS 2020)
|Number of page(s)||6|
|Section||Pollution and Waste Management|
|Published online||10 November 2020|
Copper Accumulation by Avicennia marina at Mangrove Eco-forest in Wonorejo, Surabaya
1 Department of Environmental Engineering, Faculty of Civil, Planning and Geo Engineering, Sepuluh Nopember Institute of Technology, Keputih, Sukolilo, 60111 Surabaya, Indonesia
2 Department of Ocean Engineering, Faculty of Marine Technology, Sepuluh Nopember Institute of Technology, Keputih, Sukolilo, 60111 Surabaya, Indonesia
* Corresponding author: email@example.com , firstname.lastname@example.org
Large quantities of wastewater from industries and households were released to Wonorejo river in Surabaya East Coast area. The concentration of Cu at the Wonorejo Estuary reached 3.186 mg/L at brackish water in 2009 One of the inorganic pollutants that can be removed by mangrove is copper (Cu). The purpose of this research was to determine the potency of Cu accumulation by Avicennia marina that was grown for ten years at Wonorejo Estuary. The sampling activities were conducted using a transect quadrat sampling method with a 10x10 m dimension. There were ten points of location sampling, the sediment and root of A. marina samples were collected in those location sampling. All samples of sediment and root were extracted before those samples were analyzed using an atomic absorption spectrophotometer (AAS). The calculation of the Bioconcentration Factor (BCF) was conducted using a equation formulation. The results showed that concentration Cu in sediment was 27 mg/kg until to 150 mg/kg. The Cu accumulation by roots of A. marina reached 53 mg/kg until to 128 mg/kg. The BCF value in A. marina were 0.91 to 3.22 In conclusion, A. marina showed potential as a hyperaccumulator for Cu.
Key words: Bioconcentration / Cu / estuary / heavy metal / mangrove / uptake
© The Authors, published by EDP Sciences, 2020
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