As the Government of Kenya treads the path to economic recovery, every Kenyan should be at home with the fact that many forms of economic development activities damage the natural resources upon which the economies are based. Nationally and internationally, a major environmental and development challenge is how to maintain the equilibrium between population, ecosystems and development.
This chapter uses a new ecological-economic approach to analyze the role of time in range management in a dynamic and stochastic setting. We first construct a theoretical model of a parcel of rangeland in which time restrictions are used to manage the land. We then show how the dynamic and the stochastic properties of this rangeland can be used to construct two managerial objectives that are ecologically and economically meaningful. Finally, using these two objectives, we discuss an approach to range management in which the manager has two interrelated goals.
Though a lot has been done and achieved in erosion research and control in Kenya, most of the erosion research methods have in the past put emphasis more on quantifying soil loss or measuring soil erosion, rather than pinpointing to areas that are likely to suffer soil erosion. In most cases the erosion processes have been assumed to occur in a uniform manner at all levels of the landscape hierarchy, and hence the results of one level observation can be factored to cover other levels for which data was not collected.
By determining the capacity of relevant international, national and regional legislation to support sustainable use of water and land, planners, legislative drafters and policymakers have a basis for recommending legal and institutional reform. This report, based on an investigation into existing water- and land- management laws and issues in three countries in the region, offers a methodology that can be used for such evaluations.
Land quality in the man-modified agricultural landscapes of eastern Africa has been shown to degrade over time, resulting in higher demands for farm inputs in order to sustain productivity. Loss of biodiversity has also been observed in all these areas of land use change. It has therefore become important to know how land use change contributes to land degradation and how land use change leads to biodiversity loss. This paper from the collaborative LUCID project describes a framework for the analysis between land use change, biodiversity loss and land degradation for the first time.
In this note of food security and land tenure security in Lesotho, the authors present arguments in favour of the enactment and implementation of a legislation in Lesotho that will enhance land tenure security in the country.
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