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Edited by Jon C. Lovett and David G. Ockwell
Chapter 11: Economic Valuation of Different Forms of Land-use in Semi-arid Tanzania
11. Economic valuation of different forms of land-use in semi-arid Tanzania Deborah Kirby Introduction In many ecosystems there is a conflict of interest between land-users who wish to utilize the land for different purposes. In most of these situations, the overriding factor influencing the use of the land is its perceived economic value. A forest or savanna region may produce many different types of goods for human use. Although these goods have a value to humankind, many have traditionally been excluded from estimates of valuation. This has arisen because policy-makers have generally assumed that natural ecosystems such as forests or savannas have no economic value other than their direct use of producing saleable products, and thus non-monetary values from their landuse have been excluded from any economic analysis. Thus, forested areas have only been valued in terms of timber production or land area available for farming (Barreto et al., 1998), and savanna areas for the volume of saleable livestock (for example, Bembridge and Steenkamp, 1976). A comparison of the relative values of the different forms of land-use, which includes all values of the resource, monetary and non-monetary, can help identify a socially equitable use of land. This chapter considers how valuations of different forms of land-use can be made and emphasizes the importance of establishing linkages between ecological and economic systems to facilitate valuation of biological goods and services in a developing country, Tanzania. In this context, the use of a particular tool in economic analysis, the production function, is...
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