ZIMSEC O Level Geography Notes: Natural Resources:Types of Natural Resources
- Natural resources are defined as materials or substances occurring in nature which can be exploited for economic gain.
- Examples are soil, water, mineral, forests and wild life which can be used to improve the wealth of the country.
- It is important to ensure that the natural resources continue to benefit the generations of mankind to come.
- Natural resources can be put into two broad categories: renewable and non-renewable resources.
- A renewable resource is one that can be replaced by natural processes or good management so that it is never used up.
- It can be reused or increased for example, water, forests and fisheries.
- A non-renewable resource is that which cannot be replaced.
- It can be used up or exhausted, for example minerals.
- Trees are a renewable resources in that they can be replanted whereas minerals are non-renewable because once mined the quantities underground cannot be replaced.
- Technological advancements such as recycling has blurred the line between renewable and non-renewable resources
- A resources is anything which is of value to people.
- Resources range from tangible objects like minerals or timber to things with creative values for example space.
- Resources are dynamic that is, their usefulness varies from time to time and from place to place depending on changes in human wants.
- Reserve is the unused part of the total resources which can be exploited economically in relation to the available technology.
- Improvement in technology increases the size of the reserve.
- Increased demand and use may reduce the size of the reserve.
To access more topics go to the O Level Geography Notes page
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