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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 9, No. 1, 2005, pp. 69-73
Bioline Code: ja05012
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Applied Sciences and Environmental Management, Vol. 9, No. 1, 2005, pp. 69-73

 en Health Impact Assessment of Mangrove Vegetation in an Oil Spilled Site at the Bodo West Field in Rivers State, Nigeria
UMECHURUBA, C.I.

Abstract

A post-impact health assessment of the mangrove vegetation of Bodo West Field in Rivers State of Nigeria where three oil spillages occurred was carried out to determine any major changes from the baseline profile of the area 10yrs after spillage. The accidents resulted in the discharge of a total of 1860 barrels of crude oil, which cut fire as it spilled destroying the mangrove vegetation. Diseased plant samples were collected from infected plants at 50m intervals to a distance of 300m from the point of spillage along four transects in the East, West, North and South directions. Results of laboratory diagnosis showed that most of the plants especially plants along the South and East transects were heavily infected with necrotic leafspots caused mainly by Pesalotia check for this species in other resources and Phomopsis check for this species in other resources spp. Rhizophora mangle check for this species in other resources , Rhizophora racemosa check for this species in other resources and Avicennia africana check for this species in other resources were the most heavily infected plants. Other genera of fungal pathogens isolated were Alternaria check for this species in other resources , Aspergillus check for this species in other resources , Botrytis check for this species in other resources , Chaetonium check for this species in other resources , Colletotrichum check for this species in other resources , Dreschlera check for this species in other resources , Fusarium check for this species in other resources Macrophomina check for this species in other resources , Penicillium check for this species in other resources , Phoma check for this species in other resources and Trichoderma check for this species in other resources . No plant pathogenic bacteria or viruses were isolated. Oil pollution predisposed the plant to fungal disease attack and also impacted the soil and vegetation. @JASEM

 
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