Droughts

Descripción

Mapa Mental sobre Droughts, creado por Fraser Sanders el 23/11/2014.
Fraser Sanders
Mapa Mental por Fraser Sanders, actualizado hace más de 1 año
Fraser Sanders
Creado por Fraser Sanders hace alrededor de 11 años
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Resumen del Recurso

Droughts
  1. A drought is a prolonged period with little or no rainfall. A drought becomes a hazard when people, agriculture or industry are affected
    1. How do humans make drought worse?
      1. Deforestation
        1. Means less evapotranspiration , fewer clouds , less rain and more soil erosion
        2. Overgrazing
          1. Less grass , more soil erosion
            1. Lack of water, minerals and nutrients
          2. Irrigation for crops means less water for other uses.
            1. Need soil to be in good condition so that the land is fertile.
              1. This also prevents flooding
            2. Poor water management
              1. Leaving tap on while brushing teeth
                1. Golf courses using vast quantities of water
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