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  • 中国科技核心期刊
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Volume 34 Issue 4
Jul.  2015
Article Contents

Citation:

Variation trends of nutrient in Qinhuangdao coastal area based on statistical method

  • Received Date: 2014-03-21
    Accepted Date: 2014-07-16
  • Based on data of monitoring sites inquality of seawater monitoring area,the mariculture zone,red tide monitoring area andinshore ecosystem monitoring zone in Qinhuangdao coastal area from 2003 to 2013,the long-time variation trend of nutrient(N and P)and nutrient structure were analyzed by using normal distribution method.The result showed that the mean concentration of DIN and exceeding standard of DIN in surface seawater is rising on the whole in the past 11 years,but the concentration of DIP has a remarkable fluctuation characteristic and exceeding standard of DIP has shrunk.The ratio of nitrate to DIN is decreasing initially then increasing while the ratio of ammonia to DIN is quite the contrary.It is shown that the trend of oxidizing environment in Qinhuangdao coastal areais weakening before strengthening.The primary production is limited by phosphate in this coastal area.
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  • [1] 施 震,黄小平.大亚湾海域氮磷硅结构及其时空分布特征[J].海洋环境科学,2013,32(6):916-921.[2]谢琳萍,孙 霞,王保栋,等.渤黄海营养盐结构及其潜在限制作用的时空分布[J].海洋科学,2012,36(9):45-53.[3]李 杨.秦皇岛近岸海域环境保护研究[D].杨凌:西北农林科技大学,2013.[4]郑克芳,尹 杰,赵 蓓,等.秦皇岛近岸海域营养状况及其与赤潮关系的初步研究[J].浙江海洋学院学报(自然科学版),2013,32(6):521-526.[5]刘明华,崔 虹,张 诚.秦皇岛海域生态环境特征与赤潮监测[J].海洋环境科学,1999,18(4):43-47.[6]赵冬至.中国典型海域赤潮灾害发生规律[M].北京:海洋出版社,2010:6-9.[7]SCHNOOR J L.Environmental modeling:fate and transport of pollutants in waters,air,and soil [M].New York:John Wiley and Sons,1996:259-269.[8]程 曦,李小平,陈小华.淀山湖富营养化过程的统计学特征[J].生态学报,2012,32(5):1355-1362.[9] GB 3097-1997,海水水质标准[S].[10]蒋 红,崔 毅,陈碧鹃,等.渤海近20年来营养盐变化趋势研究[J].海洋水产研究,2005,26(6):61-67.[11]蔡真珍,王 宪,郑盛华.湄洲湾水质季节变化特征及评价[J].海洋环境科学,2008,27(2):161-164.[12][JP3]张志锋,贺 新,张 哲,等.渤海富营养化现状、机制及其与赤潮的时空耦合性[J].海洋环境科学,2012,31(4):465-468,483.[JP][13]REDFIEELD A C,KETCHUM B H,RICHARDS F A.The influence of organisms on the composition of sea-water[C]//The sea.New York:Interscience Publishers,1963:26-77.[14]李 京.东海赤潮高发区营养盐结构及对浮游植物优势种演替的作用研究[D].青岛:中国海洋大学,2008.
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Variation trends of nutrient in Qinhuangdao coastal area based on statistical method

  • 1. College of Urban and Environmental Science, Liaoning Normal University, Dalian 116029, China;
  • 2. National Marine Environmental Monitoring Center, Dalian 116023, China

Abstract: Based on data of monitoring sites inquality of seawater monitoring area,the mariculture zone,red tide monitoring area andinshore ecosystem monitoring zone in Qinhuangdao coastal area from 2003 to 2013,the long-time variation trend of nutrient(N and P)and nutrient structure were analyzed by using normal distribution method.The result showed that the mean concentration of DIN and exceeding standard of DIN in surface seawater is rising on the whole in the past 11 years,but the concentration of DIP has a remarkable fluctuation characteristic and exceeding standard of DIP has shrunk.The ratio of nitrate to DIN is decreasing initially then increasing while the ratio of ammonia to DIN is quite the contrary.It is shown that the trend of oxidizing environment in Qinhuangdao coastal areais weakening before strengthening.The primary production is limited by phosphate in this coastal area.

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