December 2011
The Rivers of Africa
December 2011
Potential impacts of climate change and variability on groundwater resources in Nigeria
Climate change observed over the past decades has been consistently associated with modifications of components of the hydrological systems such as precipitation patterns, sea surface temperature, accelerated melting of glacier and ice caps, soil temperature and moisture, surface runoff and stream flow. Such changes are known to influence subsurface hydrological systems, which could lead to changes in...
December 2011
Water hyacinth as a biosorbent: A review
Water hyacinth (Eichhornia crassipes), has attracted significant attention as the world’s worst invasive aquatic plant due to its extremely rapid proliferation and congest growth, presenting serious challenges in navigation, irrigation, and power generation. Attempts to control the weed have proved to be costly with minimum results. However, the same plant has demonstrated an amazing ability to absorb...
December 2011
Cyanobacterial toxins: A short review on phytotoxic effect in an aquatic environment
Cyanobacteria are photosynthetic prokaryotes which frequently form blooms in eutrophic water bodies. Some species of cyanobacteria are able to produce toxins (cyanotoxins) that can cause aquatic environment and diverse organisms living there to be at a serious risk. One of the more serious impacts of eutrophication on aquatic ecosystems is the disappearance of submerged macrophytes and the shift to a...
December 2011
Groundwater chemistry and quality of Nigeria: A status review
The present work is a review on the quality characteristics of groundwater in Nigeria. The aim was to collate, synthesize and analyse hydrochemical data from available literature in order to evaluate the physical and chemical character, quality and determine the sources of ions. The review process covered four major groundwater sedimentary basins viz Benin, Benue, Niger Delta, Sokoto...
December 2011
Localizing the strategy for achieving rural water supply and sanitation in Nigeria
Water is essential for sustenance of life and determines the overall socio-economic development of any nation. In Nigeria, so many programmes to improve water supply and sanitation situation had been put in place by different administrations. Despite this, the hope of meeting the UN Millennium Development Goals (MDGs) target of safe water supply by the year 2015 is still uncertain....
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