Defining and classifying resources

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  • Defining and classifying resources
    • Natural
      • examples of source
        • marine
        • soils
        • forest
        • geothermal
      • Examples of use
        • Energy
        • Food
          • can be multi use
            • Energy
            • building
            • China clay
        • building
      • Extent
        • Point
          • can be both
            • Diffuse
            • Oil deposits
        • Diffuse
      • Renewability
        • "A renewable resource is capable of regeneration within human timescales"
        • Semi renewable
          • Regenerates over intermediate timescales (100 - 1000 years)
            • Fish stocks
            • Larger trees
        • flow
          • Have a permanent character and do not need regeneration
            • Wind
            • Solar
            • Tidal
            • Geothermal
            • Wave
        • Non renewable
          • Finite on a human timescale
            • cannot be replaced
              • Fossil fuels
              • Minerals
    • Human
      • Abilities and skills
    • "A resource is something that satisfies human wants and needs"
    • Influence of technology
      • "Perceptions of what constitutes a resource are largely influenced by technology"
      • Valuable resource
        • can lose value
      • Non valuable resource
        • Discovery of new properties
          • Increases value
            • Uranium

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