Over - Fishing

Beschreibung

Geography Mindmap am Over - Fishing, erstellt von C. Kenny am 28/09/2013.
C. Kenny
Mindmap von C. Kenny, aktualisiert more than 1 year ago
C. Kenny
Erstellt von C. Kenny vor etwa 11 Jahre
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Zusammenfassung der Ressource

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

          Anmerkungen:

          • 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

            Anmerkungen:

            • - 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

                    Anmerkungen:

                    • 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

                        Anmerkungen:

                        • Patrol the coast to prevent illegal fishing from foreign trawlers
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