The natural products of the Verde para Semper Extractive Reserve include an extensive range of environmental services that, in most cases, do not have differentiated values by the formal market. It so happens that even the importance of the flow is in nature, its relative is minimal or non-existent from the point of view of the financiers of the conventional economy. In this way, more comprehensive costs and costs than forest facts can incorporate the value of forest and environmental products of importance, in view of all the costs that, all the costs of paramount importance, in all the costs of activities with the externalities generated to society, the total economic value of these environments must be incorporated. Therefore, the objective of this work is to estimate the value of the natural assets of the RESEX Verde para Semper, considering the carbon stock of the area of the trees and the total volume of the trees (benefit-cost analysis) and the Total Economic Value (VET) of the area to be managed sites from the perception of socioeconomic residents and created externally by the Community Forest Management (MFC) activity (contingent valuation method). In the benefit-cost analysis, the tree individuals included in the forest inventories of the Annual Production Units (UPA) of the Nossa Senhora do Perpétuo Socorro (Arimum), Por ti meu Deus and Paraíso do Acaraí communities were considered, obtaining the net present value forest capital (VPLCF) of: R$ 2,725,134.00 (R$ 6,776.41/ha); BRL 1,836,391.92 (BRL 4,045.36/ha-1); and R$ 650,151.92 (R$ 6,922.40/ha), respectively. The second methodology, designated by the integrated contingent valuation method (MIAC) was specified by the equations of willingness to pay (DAP) and willingness to receive (DAR), whose values were extracted from socioeconomic variables and indicators of the environmental dimension (DA) and dimension (DE), being included in the specification of the proposed econometric model. These results represent: the value that the interviewed residents are willing to pay for the preservation of the RESEX's natural assets and, thus, continue to enjoy the economic and environmental benefits promoted by the ecosystem products and services in the way that is currently being done; in addition to capturing the magnitude that they will be willing to accept, as a form of compensation, for the use of the natural capital in question. Based on the results generated by the MIAC, the average DAP value of R$ R$ 4.509,19/ha was obtained, considering the average total economic value (VET) of R$ 4.279.221,31 of the RESEX. The estimated average value of DAR was R$5.569,39/ha, reflecting a VET of R$5.285.351,11. The difference between the DAP and DAR values of only 19%,
corroborates the innovative specification of the model and the efficiency of the field research. Finally, the estimated values show that local residents are aware of the magnitude of the natural resources and the socioeconomic potential of the RESEX's environmental asset, in addition to the essential role they play in their lives, as they are willing to pay high amounts for the maintenance of this asset and, thus, continue
enjoying the economic and environmental benefits promoted by ecosystem products and services in the way they are currently being carried out.
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