A PREDICTON OF FUTURE DISAPPEARANCE OF BEACH VEGETATION FOR ADAPTIVE MANAGEMENT BASED ON PLANT TRANSISION STRATEGY

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  • 海浜植物を対象とした地球温暖化に伴う海面上昇による影響評価

Abstract

<p> At present, there are concerns about changes in the coastal environment due to sea level rise due to global warming all over the world, and the resulting effects are thought to be the disappearance of not only sandy beaches but also the vegetation that inhabits them. In this study, we investigated the effects of sea level rise focusing on beach plants throughout Japan. Eight kinds of beach plants can be extracted, and as a result of predicting the disappearance of vegetation that may be affected by the rise in sea level, the future vegetation area even considering the transition of vegetation with a large disappearance rate. Was found to be likely to decrease. In addition, as a result of examining future appropriate habitat and changes in vegetation area compared with the current situation, the average elevation of the distribution area of Kohamagiku is high in the appropriate habitat, and the habitat suitability area is smaller than that of other beach plants. ing. Regarding the change in vegetation area, the vegetation area of the Leymus mollis-Carex kobomugi group may be lost by about 180,000 m2 compared to the present due to the sea level rise of 1.0 m, and it can be said that it is greatly affected by the disappearance due to the sea level rise.</p>

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