ABSTRACTThe research was held from December 2010 up to February 2011 in Kerinci District, Jambi Province. The data collecting was doing by interview, direct observation, participation, and vegetation analysis in the field. The result shows that local community group the unit of land use in their area into 10, those are sawah or sawauh (rice fields), batang ayik or bati ayay (rivers), dusun or neghiw (villages), pelak or kandaw or cuguk (fields of vegetables and annual crops around the village), ladang pnanam mudo (annuals and vegetables crops fields), ladang pnanam tuo (complex agroforestry fields), bluka mudo (young secondary forest), bluka tuo (old secondary forest), imbo adat or imbew adaik (customary forest), and imbo lengang or imbew suwaw or imbo gano (primary forest). The people take multiple use strategy in using land and resources around them to complete their daily needs. Dual economy system makes them able to deal with the differences of ecological, social economy, cultural conditions, and the pressure of population growth. The social activity concerned with environmental antrophisation creates heterogeneity of ecosystem with the differences of floristic compositions and structures
