ABSTRACT:One of the cost factors in forest management is the development of road infrastructure. The objective of study was to develop a method using GIS and Multi-criteria Evaluation (MCE) to design a forest road network with the lowest construction cost while maintaining other technical requirements. Six road alternatives meeting technical requirements were developed using PEGGER. Then MCE was used to evaluate the construction costs of the candidate networks. The decision making group identified six factors as being relevant to the costs of forest roads. Then factors were compared in a pair-wise comparison, in the context of the Analytic Hierarchy Process to develop weights of map layers. Then weights and factors were entered into the MCE module to create a final suitability map. The total cost of each alternative was extracted from the suitability map and the unit cost of each alternative was calculated. The results showed that alternatives one and two had the highest and lowest unit costs, respectively. The results illustrated the utility of using GIS and MCE to improve the planning process.
-Protection of mangrove forests entails the decrease and restriction of their injudicious uses by local people and therefore imposes opportunity costs on poor local communities, which often depend on these forest resources for their subsistence. This study aims to quantify the economic opportunity cost of conservation for coastal communities living in areas adjacent to mangrove forests in the southern coasts of Iran. The main commercial uses of the mangrove forests in this area are restricted to fishing, tourist boating trips, and limited leaves cutting. We applied a choice experiment method to measure the costs of the forest exploitation reduction under hypothetical protection scenarios in which local users would receive monetary compensation to lessen or forgo mangrove forest utilization. The results showed that local communities are willing to accept lower compensation when the protection is meant to decrease the frequency of Hara cutting and fishing, as opposed to banning recreational opportunities. The mean WTA was estimated to be 55 662 500 IRR.hsld −1 .yr −1 (2026 USD), which was generally lower than opportunity costs in the form of foregone income. Before implementing any policies related to equity, our findings can provide policymakers with useful prior knowledge and prescription. Key-words:Compensation / willingness to accept / hara cutting / fishing / recreational opportunities Résumé -Volonté de communautés côtières à accepter une compensation pour la conservation de forêts de mangrove : une méthode d'expérimentation des choix. La protection des forêts de mangroves entraîne la diminution et la restriction de leurs utilisations excessives par les populations locales et impose donc des coûts d'opportunité sur les communautés locales pauvres, qui dépendent souvent de ces ressources forestières pour leur subsistance. Cette étude vise à quantifier le coût d'opportunité économique de la conservation pour les communautés côtières qui vivent dans les zones adjacentes aux forêts de mangroves dans les côtes du sud de l'Iran. Les principales utilisations commerciales des forêts de mangroves dans cette région sont limitées à la pêche, aux voyages en bateau de tourisme, et à la coupe de feuilles réglementée. Nous avons appliqué une méthode d'expérimentation des choix pour mesurer les coûts de la réduction de l'exploitation forestière dans des scénarios hypothétiques de protection dans lesquels les utilisateurs locaux recevraient une compensation monétaire pour réduire ou renoncer à l'utilisation de la forêt de mangrove. Les résultats ont montré que les communautés locales sont prêtes à accepter une compensation inférieure lorsque la protection est destinée à diminuer la fréquence de la coupe du Hara et la pêche, par opposition à l'interdiction de possibilités de loisirs. La WTA moyenne a été estimée à 55.662.500 IRR.hsld −1 .yr −1 (2026 USD), ce qui était généralement plus bas que les coûts d'opportunité sous forme de manque à gagner. Avant la mise en oeuvre des politiques relatives à l'équité, nos résul...
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