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Socio Economic Value of Biodiversity

The assessment of the economic and monetary value of the components of biodiversity is complex is still in its infancy. Attempts and evaluations of the direct and indirect economic value of ecosystems and some sites have nonetheless begun For example, the table below summarizes the direct and indirect value of biodiversity in Tunisia: (Million DT currents)

 Use valuesNon-use valuestotals
 Direct use valuesIndirect use valuesOption and existence valuesEconomic valueMonetary return
ComponentWith extractionWithout extractionWithout extractionNegative externalities
Agriculture
Vegetable production2904,1ndndnd-2904,12904,1
Animal Production1655ndndnd-16551655
Fisheries and aquaculture337ndndnd-337337
Sub-total4896,100   -1294767,1004896,100
Forest
Pasture99,71 ---99,710,195
Wood products5,59 ---5,593,066
Non-wood products31,33 ---31,337,344
Recreation and hunting and gathering3,64 ---3,644,677
Sub-total140,27040,699,23-5,72184,4715,282
National parks0,8961,2111,5403,40507,0510,27
Others
Microbiological resources5,8ndndndnd5,85,8
Alfa grass3,2ndndndnd3,23,2
Terrestrial Invertebrates0,02ndndndnd0,020,02
Wetlandsndndndndndnd 
Totals5046,2861,21142,23012,635-134,724967,6414920,672

Traditional knowledge

The Know-how related to traditional biodiversity and its conservation has been relatively little attention Only fragmentary information or scattered were identified and are reminiscent of the traditional uses of certain products for food and medicinal purposes.

Traditional know-how has been mainly addressed to agrodiversity. Despite the lack of precise knowledge on this knowledge, the existence of local heirloom or local animal breeds is all demonstrations of the existence of traditional craftsmanship.