连云港近岸海域2011~2016年环境变化研究

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摘要依据2011年2月~2016年1月在连云港近岸海域进行的19个季节航次海洋环境综合调查结果，分析探讨了该海域主要海水要素的季节变化趋势和相关性，结合历史资料阐述和评价了海域的营养状态水平、环境质量现状及变化趋势，对存在的环境问题进行了分析.结果表明：研究海域水质状况总体良好；水质评价结果显示无机氮（DIN）是海域内最主要的环境污染因子，且DIN含量近年来有逐渐增加的趋势，年均值已经超过二类海水水质标准；此外其他环境污染因子是活性磷酸盐（DIP）、化学需氧量（COD）和油类.调查期间研究海域处于富营养化状态，潜在富营养化分析显示氮磷比值（N/P）有逐渐增加的趋势；绝大多数季节的有机污染状况为轻度污染状态.研究结论对科学、系统的认识和评估连云港近海生态环境现状及预测未来生态环境变化趋势具有重要的参考价值，对连云港近海海洋生态环境的可持续发展具有十分重要的科学意义和实际应用价值

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	王以斌
	刘军
	邵帅
	张爱军
	陈金凤
	周德山
	臧家业
	郭佩芳

关键词 ：连云港海域, 海洋环境长期变化, 水质现状评价, 富营养化, 陆海统筹

Abstract：Lianyungang is a coastal city in Jiangsu Province, China. With a city population near five million, human activities can have a proficient impact on the coastal environment. Ongoing surveillance and control measures would benefit the preservation of the marine flora and fauna of the habitat, which is the key for sustainable development. Here the data were collected from the coastal area of the city from February 2011 to January 2016, to evaluate the current environmental statues and to identify issues from the region throughout all four seasons. The evaluated outcome indicated that the aquatic coastal environment of the city, overall, was in fit conditions during the five-year period. With the average annual value of DIN exceeded the Class Ⅱ seawater quality standard and in a trend of gradual increase. Further investigation and surveillance measures were warranted. Other environmental pollution factors identified during this investigation were DIP, COD and oils. Note that the study area has reached the state of eutrophication during the period this study is conducted, for which the potential eutrophication status showed that the N/P value has gradually increased. Furthermore, the evaluation has identified a mild organic pollution level throughout most seasons. To conclude, the present environmental situation of Lianyungang coastal area ecological environment remains in fit conditions. However, the elevating levels of several pollutants and eutrophication indicate the necessity for continual surveillance to maintain the sustainable ecological environment in Lianyungang. This study has great significance because they contribute to an assessment on the status of ecology and environment and ecological environmental change in Lianyungang coastal area. The results have important meaning in sustainable development and practical application value.

Key words： Lianyungang coastal area long temporal variations of marine environment water quality assessment eutrophication land-sea coordination

收稿日期: 2019-01-18

PACS:	X55
	P76

基金资助:国家自然科学基金资助项目（41806097）；山东省重点研发计划资助项目（2018GHY115039）；山东省自然科学基金青年科学基金资助项目（ZR2017QD008）；中央级公益性科研院所基本科研业务费专项资金资助项目（2017Q10）

通讯作者: 郭佩芳,教授,pfguo@ouc.edu.cn;臧家业,研究员,zjy@fio.org.cn E-mail: pfguo@ouc.edu.cn;zjy@fio.org.cn

作者简介: 王以斌(1983-),男,山东潍坊人,助理研究员,博士研究生,主要研究方向为海洋生态环境与海洋生物学.发表论文40余篇.

引用本文:

王以斌, 刘军, 邵帅, 张爱军, 陈金凤, 周德山, 臧家业, 郭佩芳. 连云港近岸海域2011~2016年环境变化研究[J]. 中国环境科学, 2019, 39(8): 3430-3440. Wang Yi-bin, Liu Jun, Shao Shuai, Zhang Ai-jun, CHEN Jin-feng, Zhou De-shan, Zang Jia-ye, Guo Pei-fang. 2011~2016 marine environment temporal variations research in the Lianyungang coastal area. CHINA ENVIRONMENTAL SCIENCECE, 2019, 39(8): 3430-3440.

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http://www.zghjkx.com.cn/CN/ 或 http://www.zghjkx.com.cn/CN/Y2019/V39/I8/3430

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