April 2007
An overview of land cover changes in Nigeria, 1975 - 2005
The pattern of land cover changes between 1975 and 2005 strongly indicated loss of prime arable lands which is in turn leading to the opening up of new virgin land towards the south. In the northern and the middle parts of the country, the cereal productive Sudan Savannah ecology is transiting to pure Sahel and the influence of the Sahara is increasing southwards. In the same vein, the root and the tuber...
April 2009
The geography of informal sector operations (ISOs): A perspective of urban Zimbabwe
Informal sector operations in the urban sphere of Zimbabwe, like in any other developing countries, continue to rise astronomically. The chief reason for the growth of this sector is nothing but the plummeting economy explained in terms high urban unemployment rates and consequential urban poverty. By way of a qualitative methodology, this paper gives a geographical description and explication of the ISO...
April 2007
Towards an innovative approach to integrated wetland management in Rupa Lake Area of Nepal
The common property resource management would be tragedy of common or would lead to better management dependent on the existence of institutions governing access, utilization, managements, exclusion, ownership and transfer of ownership. However, recently the concept of integrated management and environment payment system has emerged as a new paradigm in common property management. The civil society is now...
April 2007
Comparison of object-based and pixel based infrared airborne image classification methods using DEM thematic layer
An airborne infrared image was used to produce a map of land cover types in the Eastern shore of Lake Huron, Ontario province of Canada. Maximum likelihood pixel-based and nearest neighbor object-based methods were used in this approach. Land cover classes that obtained traditional pixel-based classification approaches showed a salt-and-pepper effect having the lowest producer accuracy (59.5%). Overall...
April 2009
Challenges of water resource management and food production in a changing climate in Kenya
The tropics depend upon rain as the main source of water supply for agriculture. Concerns of food security and water scarcity in the wake of climate change are global and real particularly in the sub-Saharan Africa. As communities struggle to adapt to the challenges of food insecurity caused by climate change, they are also sensitive to the diminishing and management problems of water resources. Kenya with an...
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