Coral skeletal tin and copper concentrations at Pohnpei, Micronesia: Possible index for marine pollution by toxic anti-biofouling paints

Mayuri Inoue, Atsushi Suzuki, Masato Nohara, Hironobu Kan, Ahser Edward, Hodaka Kawahata

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

We present 40 year-long skeletal chronologies of tin (Sn) and copper (Cu) from an annually-banded coral (Porites sp.) collected from Pohnpei Island, Micronesia (western equatorial Pacific). Both the elements are present in antifouling marine paints and are released inadvertently into ambient seawater. Especially, Sn has often been used in the form of tributyltin (TBT). Based on a stepwise pretreatment examination, Sn and Cu both inside and outside the aragonite lattice of the coral skeleton show a potential for providing marine pollution indicators. High values of extra-skeletal Cu/Ca and Sn/Ca atomic ratios were found between late 1960s and late 1980s during a period of active use of TBT-based antifouling paints worldwide. However, a significant decrease in both the ratios in the beginning of 1990s can be attributed to regulation of the use of TBT on cargo ships by countries such as the USA, Japan and Australia.

Original languageEnglish
Pages (from-to)399-407
Number of pages9
JournalEnvironmental Pollution
Volume129
Issue number3
DOIs
Publication statusPublished - Jun 1 2004

Fingerprint

Biofouling
Antifouling paint
Micronesia
Marine pollution
Anthozoa
marine pollution
Paint
biofouling
Tin
tributyltin
Poisons
tin
Seawater
Copper
coral
Ships
antifouling
copper
merchant ship
Chronology

All Science Journal Classification (ASJC) codes

  • Toxicology
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

Coral skeletal tin and copper concentrations at Pohnpei, Micronesia : Possible index for marine pollution by toxic anti-biofouling paints. / Inoue, Mayuri; Suzuki, Atsushi; Nohara, Masato; Kan, Hironobu; Edward, Ahser; Kawahata, Hodaka.

In: Environmental Pollution, Vol. 129, No. 3, 01.06.2004, p. 399-407.

Research output: Contribution to journalArticle

Inoue, Mayuri ; Suzuki, Atsushi ; Nohara, Masato ; Kan, Hironobu ; Edward, Ahser ; Kawahata, Hodaka. / Coral skeletal tin and copper concentrations at Pohnpei, Micronesia : Possible index for marine pollution by toxic anti-biofouling paints. In: Environmental Pollution. 2004 ; Vol. 129, No. 3. pp. 399-407.
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