Effects of environmental regulations on heavy metal pollution decline in core sediments from Manila Bay

MARINE POLLUTION BULLETIN

卷:60

Article

Hosono, Takahiro¹  Su, Chih-Chieh²  Siringan, Fernando³  Amano, Atsuko⁴  Onodera, Shin-ichi⁵ 

[1] Kumamoto Univ, Prior Org Innovat & Excellence, Kumamoto 8608555, Japan

[2] Natl Taiwan Univ, Inst Oceanog, Taipei 10764, Taiwan

[3] Univ Philippines, Inst Marine Sci, Quezon City 1101, Philippines

[4] Natl Inst Adv Ind Sci & Technol, Inst Geosci & Geoinformat, Tsukuba, Ibaraki 3058561, Japan

[5] Hiroshima Univ, Grad Sch Integrated Arts & Sci, Hiroshima 7398521, Japan

关键词: Manila Bay;    Core sediments;    Heavy metal polution;    Pb isotope ratio;   

DOI  :  10.1016/j.marpolbul.2010.03.005

来源: Elsevier

【 摘 要 】

We investigated the high-resolution heavy metal pollution history of Manila Bay using heavy metal concentrations and Pb isotope ratios together with Pb-210 dating to find out the effects of environmental regulations after the 1990s. Our results suggested that the rate of decline in heavy metal pollution increased dramatically from the end of the 1990s due to stricter environmental regulations, Administrative Order No. 42, being enforced by the Philippines government. The presented data and methodology should form the basis for future monitoring, leading to pollution control, and to the generation of preventive measures at the pollution source for the maintenance of environmental quality in the coastal metropolitan city of Manila. Although this is the first report of a reduction in pollution in Asian developing country, our results suggest that we can expect to find similar signs of pollution decline in other parts of the world as well. (C) 2010 Elsevier Ltd. All rights reserved.

【 授权许可】

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