Erigbaasta

HideShow resource information
  • Created by: Polly
  • Created on: 15-04-15 18:51
View mindmap
  • Erigbaasta
    • Site
      • Amazon rainforest
      • On high ground
        • Defence/ away from flood plains
    • Situation
      • Near river
        • Water supply
      • Surrounded by rainforest
        • Supply of timber
    • Subsistence farming
      • Shifting cultivation
        • Small patch of rainforest selected and vegetation cleared
          • Logs burnt and ash released into soil as nutrients with rain
            • Variety of crops such as maize and rice grown
              • Crops harvested after 5 months
                • Decline in soil fertility after 2 years
                  • Clearing abandoned and another patch found
                    • Plants returned after 20 years
                      • Fewer species

Comments

No comments have yet been made

Similar Geography resources:

See all Geography resources »See all Sustainability resources »