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migrate. It affects a lot in both the places in many ways. Various aspects of development
          are seriously affected by it. It is seen that people from rural areas migrate to urban areas
          and from urban areas to abroad. When people migrate from a place, there is scarcity
          of manpower in many sectors which directly affects the economy of that place. When
          people migrate in a place, more resources are utilized and many environmental problems
          are seen. Moreover, there is serious impact on available facilities and social sectors are
          seriously affected. The government has to face various challenges in many sectors with
          the migration. Some major aspects affected by migration are described below:
          a.  Economic aspects

          When people migrate from one place to another, there is increase of population in the
          place where people migrate but there is scarcity of skilled manpower and laborers in the
          place from where people migrate. As a result, there is decrease of manpower in the
          industries, factories, agricultural land as well as for conduction of development works.
          Decrease in manpower leads towards decrease of production in industries, reduction in
          agricultural production as well as slow and ineffective conduction of development works.
          Due to less industrial and agricultural production, country has to import the required
          things from abroad. As a result, there is serious impact on the economic condition of
          entire nation. Even the country is not developed with less conduction of development
          works.
          Migration increases the number of people in a
          place. There is increase of unemployment rate
          in a place because all the increased  population
          do  not get job opportunities.  Moreover, there
          is competition between migrants and the local
          people for jobs. Generally, the immigrants are
          skilled manpower like carpenters, masons,
          welders, electricians, jewelery makers, crafter,
          barbers, tailors,  plumbers,  etc.  Those  skilled   Fig: 26
          people work even in low wages which the local
          people cannot do. Ultimately, the local people are replaced by them. Above all, they send
          the profits, salary and wages to their country which adversely affects the economy of the
          host nation.

          b.  Environmental aspects
          Migration has serious impact on environmental aspects. It leads towards increase of
          population pressure in a place. There is massive utilization of the resources like forest,
          water,  soil,  minerals,  etc.  People  randomly  destroy  forest  to  extend  the  settlement
          areas, cultivable land, to achieve fuel and food and fodder for animals. Destruction of
          forest causes either limitation or clearance of habitat of wildlife. People randomly and
          excessively  utilize chemical fertilizers on land in the hope of producing more food so
          as  to  fulfill  the  increased  demand.  Even  there  is  increase  of  unplanned  urbanization
          and industrialization. People discharge the wastes from settlement areas and markets
          on land. Moreover, the sewage and drainage from industries and settlement areas are
          directly joined in water resources. As a result of all of them, there is increase of scarcity of
          under ground water, spreading of diseases, rareness of living beings, occurrence of flood,
           40  GREEN Environment Population and Health Education Book-9
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