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作 者:张晓青 韩志男 陈进斌 康权 ZHANG Xiaoqing;HAN Zhinan;CHEN Jinbin;KANG Quan(The Institute of Shandong Seawater Desalination and Multipurpose Utilization Industry Research,Ji'nan 250002,China;The Institute of Seawater Desalination and Multipurpose Utilization,Ministry of Natural Resources(Tianjin),Tianjin 300192,China)
机构地区:[1]山东海水淡化与综合利用产业研究院,山东济南250002 [2]自然资源部天津海水淡化与综合利用研究所,天津300192
出 处:《海洋技术学报》2024年第3期63-71,共9页Journal of Ocean Technology
基 金:山东省社科规划重大项目(22AWTJ54);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(K-JBYWF-2021-ZD01,R-JBYWF-2021-D05)。
摘 要:根据2022年3月在胶州湾海水淡化浓海水排放邻近海域开展的8个站位大型底栖动物调查资料,分析该海域大型底栖动物的群落结构特征,探讨海水淡化浓海水排放对大型底栖动物群落的影响。结果显示:共采集到大型底栖动物4大类52种,其中多毛类23种,节肢动物和软体动物各14种,纽形动物1种,分别占种数的44.3%、26.9%、26.9%和1.9%。调查海域相对重要性指数(Index of Relative Importance,IRI)值不小于500的大型底栖动物有5种,分别为寡鳃齿吻沙蚕(Nephtys oligobranchia)、膜质伪才女虫(Pseudopolydorakempi)、凸壳肌蛤(Musculus senhousia)、砂海螂(Myaarenaria)和日本大眼蟹(Macrophthalmus japonicus)。大型底栖动物平均栖息密度和生物量分别为1194 ind/m^(2)和24.07 g/m^(2)。Shannon多样性指数、Margalef丰富度指数和Pielou均匀度指数的均值分别为2.35、1.65和0.59。与历史资料对比,本次调查大型底栖动物类群相似,但平均生物量、栖息密度及优势种都有明显变化。本文可为科学评估海水淡化浓海水排放生态影响评价提供参考依据。Based on the investigation data of macrobenthic organisms from 8 stations in Jiaozhou Bay near the brine discharge outlet of the seawater desalination plant in March 2022,the community structure characteristics of macrobenthic organisms were analysed,and the influence of brine discharge from seawater desalination on macrobenthos was discussed.A total of 52 macrobenthic species in 4 categories were found,including 23 polychaetes,14 arthropods and mollusks,and 1 neomorpha,accounting for 44.3%,26.9%,26.9%and 1.9%of the total species,respectively.There were five species of macrobenthos with Index of Relative Importance(IRI)values of not less than 500 in the surveyed sea area,including Nephthys oligobranchia,Pseudopolydora kempi,Musculus senhousia,Mya arenaria and Macrophamus japonicus.The total average abundance and biomass of macrobenthos were 1194 ind/m^(2) and 24.07g/m^(2).The Shannon index,Margalef index and Pielou evenness index were 2.35,1.65 and 0.59,respectively.Compared with the historical data,the community structure of macrobenthic in this survey were similar,but there was significant changes in average biomass,habitat density and dominant species.This paper can provide a reference for scientific assessment of the ecological impact of brine discharge from seawater desalination.
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