A sｔudy was carried out to elucidate the pollution by 285 chemicals in coastal waters around Kitakyushu City and estimate their effects on aquatic organisms.The total number of chemicals detected by the simultaneous analytical method was 180 out of 285 target chemicals, and the mean concentration of each location ranged from 0.24 to 15.8 μg/l. Most of the chemicals detected at high concentration were phtalates and the others were raw materials of chemical production. The most heavily polluted area among the survey areas was Dokai Bay around that many heavy industries and chemical factories are located.Therefore, the cause of the high concentrations probably is these factories and a sewagetreatment plant. The risk of the detected chemicals to marine organisms was calculated by the quotient method; the division of a concentration by an end points such as a no-observed-effect concentration. Polycyclic aromatic hydrocarbons and pesticides contributed the most in the assessment. The quotient values were as high as toxic effects are expected to occur. In order to remedy water quality for aquatic organisms, a high priority must be put on the reduction of the emission and consumption amounts of chemicals having a high ecological risk such as polycyclic aromatic hydrocarbons and pesticides.
| 情報源 |
【オンライン情報源1】 環境展望台 全国環境研会誌 - JELA_2703035_2002.pdf 【オンライン情報源2】 環境展望台 全国環境研会誌 27巻3号 【オフライン情報源】 【媒体名称】 【備考】全国環境研会誌 27巻3号, 35-42, (2002) |
|---|---|
| 配布形式1 |
【交換形式名称】PDF 【版】不明 |
| ファイル識別子 | 88828 |
|---|---|
| 言語 | 日本語 |
| 文字集合 | |
| 親識別子 | |
| 階層レベル | 非地理データ集合 |
| 階層レベル名 | 全国環境研会誌 |
| 日付 | |
| メタデータ標準の名称 | JMP |
| メタデータ標準の版 | 2 |
