Chapter 16 Management of Natural Resources Class 10 Science Notes
Students should read Chapter 16 Management of Natural Resources Class 10 Science Notes provided below. These notes have been prepared based on the latest syllabus and books issued by NCERT, CBSE and KVS. These important revision notes will be really useful for students to understand the important topics given in the chapter Management of Natural Resources in Class 10 Science. We have provided class 10 science notes for all chapters.
Revision Notes Chapter 16 Management of Natural Resources Class 10 Science
Chapter 16 Management of Natural Resources is an important chapter in Class 10 Science. The following notes will help you to understand and easily learn all important points to help you score more marks.
Natural resources include total natural environment that support human life and contribute to the production of necessities and comforts to mankind. So natural resources are the components of atmosphere, hydrosphere and lithosphere.
On the basis of abundance and availability, the natural resources are of two types:
We need to manage our natural resources because of the following reasons:
- The resources of the earth are limited.
- The proper management of natural resources to prevent exploitation of natural resources
- The proper management can ensure equitable distribution of natural resources so that all the people can benefit from the development of these resources.
- The proper management will take into consideration the damage caused to the environment during the ‘extraction’ or ‘use’ of the natural resources and find ways and means to minimize this damage.
Conservation of Wildlife
It is very important to conserve wild-life to maintain the ecological balance in nature and to preserve the gene pool.
- Stringent laws to prevent poaching or capturing of animals.
- Preservation of habitat of wild animals preserved by establishing National Parks and sanctuaries
- Regular survey by Forest Department to learn about the population of all species of wild animals and plants
- Special attention should be paid to the conservation of endangered species of wild animals and birds to prevent their extinction altogether.
Conservation of water:
Advantages of Dams:
- Regular and round the year water supply to fields
- Continuous water supply to nearby human settlements
- Generation of electricity.
Disadvantages of Dams:
- Social problems
- Environmental Problems
- Economic Problems
Conservation of Forest:
- Separation of Commercial Forestry
Effects of Deforestation: Removal, decrease or deterioration of the forest cover of an area is called deforestation. It is caused by excessive felling of trees, overgrazing, monoculture, fragmentation and clearing of forests.
- Soil Erosion.
- Destruction of wildlife
- Climatic changes.
Chipko-Movement was born in 1970 in a small hilly village of the upper reaches of Himalayas. Tribal people of Tehri-Garhwal district of U.P realized the importance of the forests and decided against giving its products to the people of other areas. They stood against the ruthless butchery of nature and the axes of greedy contractors
Water harvesting is capturing, collection and storage of rain water and surface run off for filling either small water bodies or recharging ground water so that water continues to be available in non-rainy seasons.
The given figure shows the total Colifrom (bacteria) count level in the river Ganga during year 1993-1994