• Unit 13-Food resources

    Key points:

    • There is enough food in the world but an imbalance in its distribution.
    • Terrestrial and aquatic food production systems have different efficiencies.
    • Different food production systems have different impacts and make different demands on the environment.
    • Food production is closely linked with culture, tradition and politics.
    • Subsistence and commercial farming systems manage soils in different ways.
    Key words:
    agriculture commercial subsistence
    intensive extensive shifting cultivation
    arable pastoral staple food
    coarse grains grain equivalents biofuel
    bush meat aquaculture bycatch
    tragedy of the commnos energy budget energy subsidy
    GM crop

Last Modified on February 23, 2015