Biodegradation, Acinetobacter, Mangrove, Hexadecane, Biodegradation, Environmental, Petroleum Pollution, Geologic Sediments - microbiology, Water Pollutants, Chemical - metabolism, Alkanes - metabolism, Acinetobacter - growth & development, Alkanes - analysis, Acinetobacter - metabolism, Geologic Sediments - chemistry, Acinetobacter - isolation & purificatio...