Key Points to Remember
• Everything available in our environment which can be used to satisfy our needs, provided, it is technologically accessible, economically feasible and culturally acceptable can be termed as ‘Resources’.
Types of Resources
• Sustainable economic development means “development should take place without damaging the environment, and development in the present should not compromise with the needs of the future generations”.
• Widely accepted strategy for judicious use of resources is known as resourcing planning.
• In june, 1992 more than 100 heads of states met in Rio de janeiro in brazil. The rio convention endorsed the global forest principles and adopted agenda 21. It is an agenda to combat environmental damage, poverty, disease through global co-operation on common interest, mutual needs and shared responsibilities.
• According to Mahatma Gandhi ji There is enough for everybody’s need and not for any body’s greed.
Classification of soil on the basis of color, thickness texture, age, chemical and physical properties.
Keys term of the chapter
(i) Piedmont zone: A piedmont is an area at the base of mountain or mountain range. For ex. piedmont zone of western ghat means the area lying at the foot of western ghats.
(ii) Deccan trap region: The black soil area of peninsular plateau is known as deccan trap. It is formed by lava soils, which is very fertile and useful for the cultivation of cotton.
(iii) Duars, chos and terai: Duars are the flood plains and foot hills of eastern himalayas in north eastern india around bhutan.
Chos : The southern slopes of shiwalik range in punjab and himachal pradesh, devoid of forest cover, highly dissected by seasonal streams called chos.
Terai is a belt of marshy land at the foothills of himalayas in northern india.
(iv) Sustainable econimic development: It means development should take place without damaging the environment and develpoment in the present should not compromise with needs of future generation.
(v) Resource planning: Techniques or skills for proper utilisation of resources is termed as resource planning.
(vi) Conservation of resources: Adequate management of resources, e.g. water, land, plants, soil etc. by man to meet the needs and aspirations of the future generation.
(vii) Afforestation: The process of transforming an area into a forest.
(viii) Alluvial plain: A level tract of land made of alluvium or fine rock material brought down by a river.
(ix) Arable land: Land currently ploughed and cultivated with crops. It is also called cultivable land.
(x) Bangar: The old alluvial desposits which is not fertile.
(xi) Khadar: The new alluvium deposits during floods. It is the most fertile soil.
(xii) Soil erosion: Removal of the upper layer of soil from one place to another by any natural agent or human activities is called soil erosiom.
(xiii) Net sown area: The land that is actually put to cultivation.
(xiv) Gross sown area: It includes net sown area and area cultivated more than once.
(xv) Desertification: It is the process by which an area becomes a desert.