Application and comparison of two symptom-based eutrophication-assessment methods in Jiaozhou Bay, China

论文摘要

Increasing numbers of approaches to assess eutrophication,such as estuarine trophic status,the Oslo-Paris Commission Common Procedure,and the Water Framework Directive,focus on the symptoms of eutrophication.In China,however,nutrient index methods dominate the assessment of coastal waters.In this study,an integrated method that includes both water quality and ecological response was compared with the Northwest Pacific Action Plan（NOWPAP）Common Procedure.Observation data from Jiaozhou Bay,Shandong,China,were used in a comparison of the two methods in a trophic status study.Overall,both clearly revealed a high level of nutrient enrichment in the bay,indicated by high nutrient concentrations.Though the two methods differed in their methodological design in the assessment of the ecological effects of nutrient enrichment,they have acquired similar results:the integrated method suggested that the status was good,and the NOWPAP Common Procedure suggested that the status was low（indicating that the bay had no serious eutrophication problem）.The introduction of filter feeders（shellfish aquaculture）into the bay on a reasonable scale may have been effective in mitigating eutrophic conditions,and perhaps explains the low ecological impacts there.Our results will be useful to ecosystem-based eutrophication management in the bay and in similar areas.

论文目录

文章来源

类型: 期刊论文

作者: WU Zaixing,YU Zhiming,SONG Xiuxian,CAO Xihua,YUAN Yongquan

来源: Journal of Oceanology and Limnology 2019年05期

年度: 2019

分类: 基础科学,工程科技Ⅰ辑

专业: 海洋学,环境科学与资源利用

单位: Key Laboratory of Marine Ecology and Environmental Science, Institute of Oceanology, Chinese Academy of Sciences,Laboratory of Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology,Center for Ocean Mega-Science, Chinese Academy of Sciences,University of Chinese Academy of Sciences

基金: Supported by the National Key Research and Development Program of China(No.2016YFE0101500),the Aoshan Talents Cultivation Program(No.2017ASTCP-OS16),the National Key Research and Development Program of China(No.2017YFC1404306),the NSFC-Shandong Joint Fund for the Marine Science Research Center(No.U1606404)

分类号: X55;X824

页码: 1582-1594

总页数: 13

文件大小: 308K

下载量: 21

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