The relationship between the density of Dianthus superbus L. var. longicalycinus (Maxim.) Williams and different soil disturbance intensity on the tsunami-stricken coastal forest in Sendai Plain

Abstract

To discuss an adaptability of Dianthus superbus L. var. longicalycinus against the huge tsunami, we investigated the density in three types of soil disturbance intensity on the tsunami-stricken coastal forest by the Great East Japan Earthquake in 2011. Average density was 90 to 96 individuals /m² in the topsoil outflow type in 2015 and 2016 respectively, and this type indicated significant high density for other type. There were a lot of bloomed individuals and seedlings in this topsoil outflow type. We thought that not only this wildflower has the tolerance to the disturbance, but this species made opportunity to increase in population.