Influence of local industrial changes on reef coral calcification

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<jats:title>Abstract</jats:title><jats:p>Coral reefs are currently facing multiple disturbances caused by natural/anthropogenic factors. Recent industrial development might influence reef environments and ecosystems; however, few direct comparisons of coral calcification with the histories of local industries exist. We show the coral Ba/Ca record and growth histories for 46 years collected from Sumiyo Bay, Amami-Oshima Island, Japan. Coral Ba/Ca was mainly controlled by the sediment loads in seawater, which are introduced through the two local rivers. Coral Ba/Ca records have been characterized by two distinct historical periods: the decadal fluctuation corresponding to the traditional silk fabric industry (1960s ~ 1995) and the increasing trend corresponding to the development of quarries and the construction industry (1996 ~). Coral Ba/Ca records and local industrial histories were also linked to coral calcification. A long-term quantitative assessment of reef environments and local industrial changes could provide an evaluation of the survival strategies of reef-building corals in the future.</jats:p>

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  • Scientific Reports

    Scientific Reports 10 (1), 7892-, 2020-05-12

    Springer Science and Business Media LLC

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