In managing agriculture, Osing tribe has unique patterns when it deals with spatial structuring environment as an adaptation strategy to survive. The uniqueness shows in their culture when they manage and make use of the natural resources and its environment. The research aims to examine the method in managing agricultural landscapes in Osing tribe. The research used qualitative and quantitave methods. The qualitative method used emic approach and the quantitative method used calculation of density value and species distribution to obtain the Importance Value Index (IVI). The result of the study showed that in their agricultural system known as four landscape units (yard, paddy field, garden, and field) and used different ways of management. The study of plant community structure in each landscape unit of three villages reflected the existing dominant species and every landscape unit had different structure, composition and vertical stratification. The calculation result of economic valuation of agricultural landscape resources used direct use values and market values towards seven plant species i.e. paddy (Oryza sativa), coconut (Cocos nucifera), banana (Musa sp.), durian (Durio zibethinus), mangosteen (Garcinia mangostana), bitter bean (Parkia speciosa), and avocado (Persea americana) is IDR 36,850,000/head of household/year or IDR 3,070,833/head of household/year. The amount had contribution towards the fulfillment of subsistence needs of Osing tribe.
