Now showing items 1-2 of 2

    • Case study of adaptive rangeland management by an innovative Kalahari farmer. 

      Zimmermann, Ibo; Joubert, David F.; Smit, G.N. (2008)
      Scientists can learn a great deal from innovative farmers who apply adaptive management principles based on experience gained over decades. This paper records 31 observations that a farmer, Jan Labuschagne, made on his ...
    • A problem tree to diagnose problem bush. 

      Zimmermann, Ibo; Joubert, David F.; Smit, G.N. (2008)
      The term “problem tree” refers to a conceptual model used as a diagnostic tool to analyse a sequence of events that leads to a problem (such as bush encroachment in rangelands). A problem tree is useful because the ...