Coastal landscape planning for improving the value of ecosystem services in coastal areas: Using system dynamics model

초록

Coastal areas provide important ecosystem services and affect local tourism. However, these areas are also sensitive to coastal erosion. The purpose of this study was to simulate a landscape plan scenario to improve the value of ecosystem services. The Shinduri coastal area in South Korea which has important natural resources, such as coastal sand dunes and coastal forests. To simulate landscape changes, this study was conducted using system dynamics. The study progressed in three stages: first, an analysis of the landscape change behavior model of Shinduri in its current state and an evaluation of the value of ecosystem services was conducted. Second, a simulation was carried out by applying a coastal erosion scenario. Third, a simulation of landscape change was run, and the value of ecosystem services was estimated, with regard to afforestation, thinning, weeding and coastal sand dune restoration plan scenarios. The results were as follows: in the absence of disturbances, current landscape change models are stable, and the value of ecosystem services, which was $859,259in2014,hasincreasedovertime.However,thevalueofecosystemservicesdecreasedwhensubjectedtoacoastalerosionscenario.Theevaluationofvalueofecosystemservicesunderafforestation,thinning,weedingandcoastalsandduneplanscenariosrevealedanoptimallandscapeplanthatfocusesonacoastalsanddunerestorationplansuggestingrestorationofthesedunesatarateof27.05haperyear.Whenthecoastalsanddunerestorationplanisapplied,thevalueofecosystemservicesincreasesto$ 895,474 by 2054. The coastal sand dune restoration plan should prioritize the protection of the coastal sand dune area as component of the restoration of coastal ecological resources in the area. These findings could contribute to the ecological management and improvement of coastal ecosystem services. (C) 2018 Published by Elsevier Ltd.

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