Page 125 - SST Class 08
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however, it is also essential that another tree is
            where the common variety is sal. From 1800 to
            3000 metres altitude, the mixed-deciduous and           grown in place of the one that is cut down.
            conifers are found, such as cedar and deodar. The       Awareness among People
            region higher than this grows pine and birch,           All communities should be made aware of the
            which have softwood. Generally, we do not find
            any vegetation above the height of 4500 metres.         value of forests. Forest fire is another cause of
                                                                    depletion of forests. People living near forests
                                                                    should be made aware of the danger of forest fires
                       PROBLEMS OF DEFORESTATION
                                                                    and how they cause depletion of forest resources.
            Ideally one-third of the                                Control of Urban Growth
            total land surface should
            be covered with forests.                                When new settlements have to be constructed,
            However,     forests    are                             due care should be taken to plant trees in the
            under constant pressure                                 green belts and areas along roads and railways.
            because of the growth in                                Unplanned expansion of major cities has resulted
            population, demands of                                  in depletion of this vital natural resource.
            agriculture, expansion of       People cutting trees    Control Overgrazing
            industries and settlements. There has been
                                                                    Grazing leads to destruction of forests. There
            immense loss of forest areas in the world.
            Commercial exploitation of temperate evergreen          should be restrictions on grazing of cattle.
            and coniferous forests is very high. Norway,
            Sweden, Finland and Canada are major exporters                          WILDLIFE RESOURCES
            of many forest products like paper, wood pulp           Wildlife refers to animals, birds and insects which
            and newsprint. In India and other monsoon               live in their natural habitat. It is a significant part
            countries of south and south-east Asia, rosewood,       of our ecosystem. Since there are different types of
            teak, sandalwood and mahogany are the valuable          land features, climates, rain patterns, wind
            species which have been used commercially to a          patterns and other aspects which influence life,
            large extent. The forest cover in India at present is   we find a large variety of wildlife. No one exactly
            mere 22 percent of the total land surface.              knows how many different kinds of animals there
                                                                    are in the world. Over a million kinds are already
                MEASURES FOR CONSERVATION OF FORESTS                known and catalogued. Many new animals,

            Forests are an indispensable resource of our            especially small ones, are discovered every year.
            ecosystem. Rapid destruction of forests due to          The greatest variety of wildlife is found in the
            various reasons has become a major cause of             tropical rainforests.
            concern. So, we need to conserve this renewable
                                                                    Animals range from single-celled creatures like
            resource so that life can continue on the earth.
                                                                    amoeba to complex types like elephant. Each part
            Some essential measures of conserving forests are       of the earth has its own mix of animals. Forests,
            as follows :                                            grasslands and deserts provide natural habitat for
                                                                    animals.
            Afforestation
                                                                    A suitable habitat can meet all the needs of
            One     of     the    most
            important   measures     of                             animals living there. It provides space for normal
                                                                    growth and movement, food and water, places for
            forest conservation is to
            plant more trees. Cutting                               breeding and raising young-ones and shelter.
            down      of    trees    is                             Within the habitat, plants and animals live
                                                                    together and interact. They develop their own way
            unavoidable in order to
            meet    different   needs;                              of life.
                                              Tree plantation
                                                                                      Plant and Wildlife Resources
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