pesticides, hybrid crops etc. In using
        
        
          indigenous knowledge, we share the
        
        
          benefits of the long history of managing
        
        
          and surviving in environments which have
        
        
          never been favourable. Archaeologists have
        
        
          a role to play into bringing to bear these
        
        
          past perspectives into contemporary issues
        
        
          – settlement patterns, land use patterns,
        
        
          changing environments – in order to provide
        
        
          a framework for today’s development.
        
        
          It is obvious that some communities in
        
        
          the past (such as the Pokot of Kenya and
        
        
          Sandawe of Tanzania) have for a long time
        
        
          embraced perennial streams within their
        
        
          region to enhance their crop productivity
        
        
          through irrigation. Rivers and streams
        
        
          within their reach have provided these
        
        
          people with ways and methods of survival.
        
        
          Irrigation schemes going as far back
        
        
          as 200 BC have been identified within
        
        
          areas in Africa and these can be revived
        
        
          to enhance productivity in such areas. In
        
        
          addition, indigenous knowledge as regards
        
        
          to medicinal plants is being practiced in
        
        
          several regions in Africa.
        
        
          Pastoralists’ ways of life have in the past
        
        
          been characterized by a high degree
        
        
          of flexibility. For example they varied
        
        
          their mode of subsistence with contacts
        
        
          with other non-pastoral groups and this
        
        
          enabled them to interact and sometimes
        
        
          live in exclusivity while, at the same time,
        
        
          maintain specific modes of economy.
        
        
          
            Commitment to sustainability
          
        
        
          Other methods of herd management
        
        
          included culling of herds. This culling
        
        
          varied depending on the expected results.
        
        
          For example, male calves could be culled to
        
        
          reduce food competition with reproductive
        
        
          females. On the other hand, calves close
        
        
          to maximum body weight were culled in
        
        
          order to supply food gains such as blood
        
        
          and meat. These herding practices can
        
        
          be studied in the archaeological record
        
        
          by the bone/tooth remains and subjected
        
        
          to periodic episodes of stress within the
        
        
          environment. Today, pastoral communities
        
        
          continue to utilize some of these practices
        
        
          while others have been forgotten.
        
        
          The pressure is currently on developers
        
        
          to design projects which demonstrate a
        
        
          commitment to sustainability, for example
        
        
          using cultural heritage to help build
        
        
          communities showing a true sense of
        
        
          cohesionandbelonging. Ancient structures
        
        
          such as those seen in communities within
        
        
          Mapungubwe and Great Zimbabwe and
        
        
          Thimlich in Kenya are evidence of a social
        
        
          structure that was in place as early as the
        
        
          14 
        
        
          th
        
        
          century. These structures not only
        
        
          show the social cohesion but also reveal
        
        
          a society that utilized whatever local
        
        
          resources are available and within reach.
        
        
          In addition, these settlements achieved
        
        
          and maintained economic, political,
        
        
          and ideological hegemony through a
        
        
          combination of both peaceful and coercive
        
        
          means. Therefore structured settlements
        
        
          geared towards political and economic
        
        
          development were evident in Africa in the
        
        
          past. Such knowledge can be tapped and
        
        
          integrated to local resources of the historic
        
        
          io
        
        
          Two UNESCO World Heritage sites. Above, the
        
        
          Cliff of Bandiagara (Mopti Region, Mali) first occupied
        
        
          by the Tellem people. The Dogon settled there during
        
        
          the 15
        
        
          th
        
        
          and 16
        
        
          th
        
        
          centuries.
        
        
          © A.Barragan.
        
        
          Left, the ruins of Great Zimbabwe (near Masvingo),
        
        
          testimony to the lost civilization of the Shona
        
        
          between the 11
        
        
          th
        
        
          and 15
        
        
          th
        
        
          centuries.
        
        
          © M.Matsumoto
        
        
          10 - Sustainable Development in Africa & Satellites