海洋理工学会誌
技術資料
港湾構造物における炭素量を用いた生物現存量の定量評価の試み
秋元 彩渚國田 淳黒田 祐一酒井 康彦宮崎 太一郎小島 治幸
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23 巻 (2017) 1 号 p. 37-45

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Conservation and creation of habitats in the coastal area are set as a new target of “Basic Program for the Conservation of the Environment of the Seto Inland Sea”. In addition, when the impacts of a landfill are unavoidable, it is required to conduct appropriate compensation measures based on the result of quantitative evaluation. The quantification of ecosystem services which lost by a landfill is desirable for selecting the most effective measure. However, it is difficult to figure out quantitatively a whole variety of ecosystem services. In this report, we try to quantify the biomass around harbor structures, using a simple evaluation method of biomass carbon. On the gentle slope revetment and the adjacent seabed of the artificial island built in the western Seto Inland Sea, we compare the biomass carbon per unit area for each of three layers on the revetment and for each of habitat foundations. Moreover, in the case of conducting a landfill project with and without an eco-friendly structure in this area, we estimate the annual biological production using the biomass carbon and the amount of increase in biomass carbon.

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© 2017 海洋理工学会
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