Ex

  Biology (NTSE/Olympiad)  

9. Management of Natural Resources

Forests And Wildlife

Forests And Wildlife
Forests (L. foris – outside) are large uncultivated self maintained wooded tracts dominated by trees forming a nearly closed canopy. Besides trees, the forests possess shrubs, climbers, herbs, herbivores, carnivores, saprophytes and parasites living together maintaining hormony of nature.
Wildlife refers to living beings comprising animals, plants and micro-organisms found in natural habitats which are neither do domesticated/tamed nor cultivated.
Economic Functions :
Foods : Tribals obtain most of their food requirements from the forests, e.g., fruits, tubers, fleshy roots, leaves.
Nuts : Pine Nut (Chilgoza), Almond, Walnut and Cashewnut are obtained from forests trees.
Spices : Cardamon, Cinnamon, Nutmeg and Cloves are spices obtained from forest plants.
Commercial Products : A number of forest products are of commercial importance, e.g., & rubber, resin, tennins, tendu, lac, cork, camphor, essential oils. soap pod and drugs.
Fuel Woods : Nearly two billion persons depend upon forests for fuel wood.
Timber :: Wood for the manufacture of furniture, household fitments and several other articles mostly comes from forests.
Paper : It is prepared from cellulose rich plants like bamboos, Boswellia, Eucalyptus, grasses and several gymnosperms.

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