NCERT Class 8 Geography Chapter-1-Resources Complete Notes Part-2

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Natural Resource – Based on Distribution

  • Localized Resource – Copper, Iron

  • Ubiquitous Resource – Air, Water

Now the next classification is based on distribution. I can say some of the resources are present throughout the globe, for example, air, water these are present throughout the globe and the things which are present universally are known as ubiquitous so these are known as ubiquitous. So these are known as ubiquitous resource or resources which are present globally. I can find them in each and every corner of the earth. On the other hand you have localized resources which are present in specific regions, for example, you have copper resources, iron resources and similar other minerals resources which are present in a specific location. So you have either localized resources or ubiquitous resources based on distribution of the resources.

Natural Resources Classification

  • Renewable Resources – Can be renewed & replenished quickly

  • Non-Renewable Resources – Limited stock & gets exhausted

  • Stock of Resource – Amount of resource Available for Use

  • Distribution depends on terrain, climate, altitude etc.

Finally there is another important classification based on its use. I can say it’s renewable resources or non-renewable resources. Renewable resources are those which can be renewed and reused one after the another, for example, sunlight, water, wind, waves. These are some of the renewable energy resources which can be used and which can be replenished. However there are other resources which have limited stocks and get exhausted. So once they are exhausted we no more have them. A common example for non-renewable resources would be coal, oil reserves, iron deposits so all these are non-renewable resources that means once exhausted you cannot bring them again. You have another classification that is renewable and non-renewable. Now based on this we also have a common term which is stock of resource, stock of resource implies the available amount of resource that is there for use. So whatever amount of resource we have for us is known as stock and the distribution of resources throughout the world depends on various parameters like the terrain, climate, altitude and so on and so forth.

Resource Conservation

  • Using resources carefully & giving them time to get renewed

  • Sustainable Development – For future generations

  • All uses of renewable resources are sustainable

  • Diversity of life on the earth is conserved

  • Damage to natural environmental system is minimized

Now other important criteria for understanding resources, how do we conserve our resources or how do we protect our resources. A common example would be I can say not to switch on the tap if you are not using it so running water is a kind of effort to conserve the resources. A very simple example however are other ones where you can conserve and nowadays focus has been a shifted towards renewable energy. We have covered the detail in the class on renewable energy and target 2022 where we have covered the conservation techniques for renewable energy in detail.

Now another important term when we talk about resource conservation or resource sustainability is sustainable development. The word sustainable development itself means using the present day resources in such a manner that they are available for the future generations to come, that means if you have stock of a 10 kg uranium you have to use that resources or stop in such a manner that it is available after 50 years. Some of it is available even after say 2000 years. Also some of it is available that means you are using those resources or this resource in a sustainable manner. All the renewable resources that we have are definitely sustainable. Sunlight coming from the sun, the wind, the water that would be available for generation. So if we draw a technology that uses renewable energy the maximum we are definitely conserving our resources because if we are using energy from say water that is hydroelectric energy we are in other ways conserving the coal. So you have conservation when you use renewable energy. Again the diversity of the life is conserved on the earth and the damage to the natural environment is minimized by using renewable sources.

Principles of Sustainable Development

  • Respect and care for all forms of life

  • Improve the quality of human life

  • Conserve the earth’s vitality and diversity

  • Minimize the depletion of natural resources

  • Change personal attitude and practices toward the environment

  • Enable communities to care for their own environment

Now what are the basic principles of sustainable development? The basic principles we must respect and care for all forms of life. The aim is of improve the quality of life with minimum interference or minimum damage to the existing resources. That we have minimum depletion of the natural resources that exist and changing our practices for use of resources would be one of an important method to use or to preserve the resources for future generation and enable people and communities to have their own environment and develop their own best use for natural resources of renewable resources.

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