GEOCHEMICAL MAPPING OF HEAVY METALS CONTAMINATION IN URBAN RIVERS OF NIGERIA: A STUDY OF ONA AND OMIN RIVERS, IBADAN

Abstract The pollution of river water and sediments by heavy metals has assumed serious problems due to their toxicity and accumulative behaviour globally and locally. This research paper aim at mapping heavy metal contamination in urban rivers in Ibadan metropolis, Nigeria namely; Ona and Omin using GIS techniques. Systematic method of sampling stream sediments along […]

DETERMINATION OF LEVELS OF VOLATILE ORGANIC COMPOUNDS (VOCS) IN WARRI AND EFFURUN ENVIRONS, DELTA STATE, NIGERIA

Abstract Six air samples were collected from six locations in Warri and Effurun environs and were analysed for Volatile Organic Compounds. (VOCs) After treatment of samples, VOCs were determined with Gas Chromatography coupled with Flame Ionization Detector (GC / FID). Results obtained showed concentrations of VOCs in the range of 0.42 – 28.78, 0.32 – […]

ELEPHANT UTILIZATION PATTERNS AND CHANGE IN STRUCTURE OF MOPANE WOODLAND IN THE LUANGWA VALLEY, ZAMBIA

Abstract The objective of the study was to measure and compare vegetation structure and elephant utilisation patterns between woodlands of South Luangwa National Park with short mopane and Lupande Game Management Area with tall mopane. In a field survey conducted, 328 coppiced mopane plants were measured from 10 plots in the national park and 70 […]

ASSESSMENT OF SUSTAINABILITY OF HOUSING DEVELOPMENT IN LAGOS PERIPHERY

Abstract Accompanying rapid urbanisation in Nigerian cities is the emergence of spontaneous physical transformation outside the cities’ border. The emerging settlements at the periphery are confronted with development-driven urban challenges. This study assesses the socio-economic sustainability of Ikorodu, a typical peri-urban settlement in Lagos.  Adopted research method in this study is a combination of case […]