Over - Fishing

Descripción

Geography Mapa Mental sobre Over - Fishing, creado por C. Kenny el 28/09/2013.
C. Kenny
Mapa Mental por C. Kenny, actualizado hace más de 1 año
C. Kenny
Creado por C. Kenny hace alrededor de 11 años
342
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Resumen del Recurso

Over - Fishing
  1. Fish are a renewable resource
    1. Fish stocks have depleted greatly
      1. Why Over-Fishing Takes Place
        1. Big Ships

          Nota:

          • Some of today's trawlers are massive. They travel in fleets, which usually include a factory ship. This system allows them to fish for months. The fish can be stored in massive fridges.
          1. Modern Equipment

            Nota:

            • - Echo Sounders are used to     locate fish - Motorised cranes & winches    haul huge catches - Huge nets catch tonnes of fish at a time
            1. Fish are easy targets
            2. If fishing continues at the current rate, fish stocks will collapse in 50 years
              1. What is being done to save our fish stocks?
                1. Fishing fleets have been reduced
                  1. Quotas

                    Nota:

                    • Have been set by the EU. These quotas limit the amount of fish countries can catch each year
                    1. Fishing for endangered species is forbidden
                      1. Fishery Protection Vessels

                        Nota:

                        • Patrol the coast to prevent illegal fishing from foreign trawlers
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