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Numbere AO
Department of Animal and Environmental Biology, University of Port Harcourt, Choba, Nigeria
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Research Article
Bioaccumulation of Total Hydrocarbon Content by Three Mangrove Species (Rhizophora, Laguncularia, Avicennia) in the Niger Delta, Nigeria
Author(s): Numbere AO*
Bioaccumulation of total hydrocarbon content (THC) in mangrove is a bottom up effect. Leave, root, seed and stem samples were collected from red, black and white mangroves from highly and lowly polluted locations. Total hydrocarbon analysis was done with atomic absorption spectrophotometric method using HARCH DR 890 colorimeter (wavelength~420 nm). The result indicates that there is significant difference in THC between species (F2, 105=9.82, P<0.001) and parts (F3, 104=7.82, P<0.001) of mangroves. Red mangroves had the highest bioaccumulation of THC as compared to black and white mangroves (Tukey test, α=0.05). Leaves had the highest concentration of THC in the order of leave>seed>root>stem. For red mangroves THC ranged from 0.47 mg/l in root to 25.38 mg/l in the leave, for white mangroves THC ranged from 1.08 mg/l in stem to 5.90 mg/l in leave; for black mangrov.. View more»