Page 173 - SST Class 06
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the  ecological  balance  of  nature  and  maintains   5.  Prevent Deserts Conditions : If there are
             the food chain. It provides useful substances and           no trees and grasses on land, there will only
             wild  animal  products  like  ivory,  leather,  honey,      be dust and sand. There will be widespread
             tusk, etc. Besides being a country’s cultural asset         of soil erosion. In the absence of vegetation,
             it  also  provides  aesthetic  value  to  man.  We          the  rocks  of  the  earth  will  be  laid  bare
             largely  depend  on  wildlife  for  every  elementary       creating  desert  conditions  all  over.  Forests
             requirement in our life, e.g., the clothes we wear          and  wild  animals  make  our  surroundings
             and the medicines we consume.                               clean and beautiful. There are hundreds of

             Let’s read about importance of forests and wildlife.        other uses. They are an integral part of life
             1.  Climate : Forests are chiefly responsible for           on the earth. Human beings cannot remain
                  the  present  climate.  The  trees  are  very          same if one part of the life on the earth is
                  important for balance of gases in air. They            destroyed.
                  use up the excess carbon dioxide in air. The                     CONSERVATION
                  carbon  dioxide  is  released  by  burning  of
                                                                    Wildlife  conservation  encompasses  all  human
                  fossil  fuels  like  coal,  petrol  and  wood.  It  is
                                                                    activities  and  efforts  directed  to  preserve  wild
                  also  given  out  by  human  beings  and  ani-
                                                                    animal from extinction it involves both protection
                  mals.
                                                                    and  scientific  management  of  wild  species.
             2.  Forests  Products  :  Forests  provide  hun-       Wildlife and nature have largely been associated
                  dreds of useful products to man. Examples         with humans for numerous emotional and social
                  are wood for fuel, timber for making furni-       reasons.  Wildlife  plays  an  essential  role  in  the
                  ture,  building  of  houses,  bridges  and  for   ecological  and  biological  processes  that  are  yet
                  support  to  railway  tracks.  Many  products     again  significant  to  life.  The  normal  functioning
                  like medicines, resins, gums, lack, cellulose,    of the biosphere depends on endless interaction
                  pulp  for  making  paper,  jutes  and  other      among  animals,  plants  and  microorganisms.
                  grasses come from forests.                        Wildlife has occupied a special place of venera-
             3.  Gene Pool : Plants and animals in forests          tion  and  preservation  in  various  cultures  of  the
                  act  as  greatest  gene  pool  or  bank  of  life   world.
                  forms  on  the  earth.  Gene  is  material  units
                  from which all living things are derived. For                   VAN MAHOTSAVA
                                                                    This  popular  festival  of  planting  trees  is  cele-
                  example, apes are tough to be ancestors of
                                                                    brated all over India. Many school children also
                  man. Most of our cereals like wheat and rice
                                                                    take  part  in  it.  Under  this  programme,  saplings
                  have come from wild grasses in forests. This
                                                                    are planted often in vacant lands and forest areas
                  gene  pool  is  considered  very  important  for
                                                                    or on the road sides and parks.
                  survival of present lifeforms on the earth.
             4.  Water  :  Forests  aid  water  cycle  in  making
                  water  of  oceans  available  on  land.
                                                                     1.  Do  we  take  care  the  planted  saplings  after-
                  Vegetation  also  helps  this  water  to  go
                                                                         wards?
                  underground. It also checks water run off on
                                                                     2.  Have you ever participated in van mahotshava or
                  the surface. In the absence of trees there will
                                                                         any other such plantation drive?
                  be muddy water in rivers as happens during
                                                                     3.  Why should we plant trees?
                  floods. It won’t be fit for drinking.

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