| 大鹏澳网箱养殖海域底质有机物污染特征 |
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| 引用本文： | 甘居利,林钦,贾晓平,黄洪辉,蔡文贵. 大鹏澳网箱养殖海域底质有机物污染特征[J]. 海洋环境科学, 2006, 25(3): 5-8 |
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| 作者姓名： | 甘居利 林钦 贾晓平 黄洪辉 蔡文贵 |
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| 作者单位： | 农业部渔业生态环境重点开放实验室,广东省渔业生态环境重点实验室,中国水产科学研究院,南海水产研究所,广东,广州,510300;农业部渔业生态环境重点开放实验室,广东省渔业生态环境重点实验室,中国水产科学研究院,南海水产研究所,广东,广州,510300;农业部渔业生态环境重点开放实验室,广东省渔业生态环境重点实验室,中国水产科学研究院,南海水产研究所,广东,广州,510300;农业部渔业生态环境重点开放实验室,广东省渔业生态环境重点实验室,中国水产科学研究院,南海水产研究所,广东,广州,510300;农业部渔业生态环境重点开放实验室,广东省渔业生态环境重点实验室,中国水产科学研究院,南海水产研究所,广东,广州,510300 |
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| 基金项目： | 国家科技攻关计划;科技部社会公益研究项目 |
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| 摘 要： | 大鹏澳网箱养殖海域表层底质有机物含量为1.65%~3.50%,平均为2.57%,明显高于我国浅海的一般水平和一类评价标准,超标率82.5%,超标0.04~0.75倍。有机物含量以春季和夏季较高,冬季次之,秋季明显较低,在网箱区内外的平均值分别为2.66%、2.42%。不同测站底质中有机物含量与硫化物含量正相关(r=0.704,p<0.05),其中以夏季的相关最显著(r=0.818,p<0.02)。网箱海域底质有机物单因子质量指数为1.28,老化风险为3级,说明沉积环境受到有机物的明显污染,面临中等程度的老化风险。
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| 关 键 词： | 网箱养殖 有机物 分布 变化 老化风险 |
| 文章编号： | 1007-6336（2006）03-0005-04 |
| 收稿时间： | 2005-01-20 |
| 修稿时间： | 2005-03-03 |
Characteristic polluted of organic matter in surfacial sediment in the cage culture area of Dapengao Bay |
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| GAN Ju-li,LIN Qin,JIA Xiao-ping,HUANG Hong-hui,CAI Wun-gui. Characteristic polluted of organic matter in surfacial sediment in the cage culture area of Dapengao Bay[J]. Marine Environmental Science, 2006, 25(3): 5-8 |
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| Authors: | GAN Ju-li LIN Qin JIA Xiao-ping HUANG Hong-hui CAI Wun-gui |
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| Affiliation: | Key Laboratory of Fishery Ecology Environment, Ministry of Agriculture; Key Laboratory of Fishery Ecology Environment Guangdong Province; South China Sea Fisheries Institute, Chinese Academy of Fishery Science, Guangzhou 510300, China |
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| Abstract: | The contents of the organic matter in the sediment in the cage culture area of Dapengao Bay(%,dry weight) were from 1.56 % to 3.50 % with average of 2.57 %,and obviously higher than the normal value in the sediment along the Chinese coast waters and first grade of the National Standard.The mean inside the cage area and that outside the cage area was 2.66 %,2.42 %,respectively.There were more organic matter in spring and summer than in winter,especially than in autumn.The contents of the organic matter were positively related to sulfide content within the sediment at different sites(r=0.704,p<0.05),especially in summer(r=0.818,p<0.02).The average pollution index was 1.28 and the risk grade of degradation was 3.It showed that the sediment in the cage culture area was contaminated and near the middle degradation risk. |
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| Keywords: | cage culture organic matter distribution change degradation risk |
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