Do remote sensing and GIS have a practical applicability in developing countries? (including some Sri Lankan experiences)

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Abstract
By the end of this century, the global population will increase by another billion people, making a growing threat to the natural resources. The situation in developing countries is critical, and only less than 10 per cent of low income countries are having an increasing annual growth rate of their forest and woodland areas. Population control is beyond the curriculum of environmental scientists although resources management is a timely important topic to them. Newly developed satellite remote sensing and GIS have crucial roles in this field, but the application of these sciences is showing large differences in developed and developing countries. A number of barriers for remote sensing and GIS in developing countries have been identified. Clear recognition of these limitations gives valuable solutions, which we have forwarded here as a cycle of solutions. A simple case study is included in this paper to explain the research steps, alternative low cost routings and the usefulness of a satellite data based small GIS project.
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