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Volume 34 Issue 1
Jan.  2015
Article Contents

Citation:

A primary study on the energy flow in the ecosystem of fishery ecological restoration area in HaizhouBay,Lianyungang

  • Received Date: 2013-12-19
    Accepted Date: 2014-04-02
  • Based on the background survey in the fishery ecological restoration area in HaizhouBay,Lianyungang, in 2003, using the Ecopath module of EwE program, the present study constructed the simple model of energy flow of ecosystem in this area and evaluated the stability of original ecosystem in the ecological restoration area. The result indicated that the energy flow of original ecosystem was dominated by grazing food chain, 54.00% of the energy being utilized and transferred to high trophic levels by grazing path. The trophic levels of functional groups varied from 1.00~4.37. The total energy flow in ecosystem was estimated to be 21946.70 t/km2/a, and the total net primary productivity of the ecosystem was 9500.00 t/km2/a. The energy flow in ecosystem network was concentrated into six trophic levels. Transfer efficiency from primary producer and debris were 14.20% and 13.60% respectively, and the mean transfer efficiency was 13.80%. The TPP/TR ratio was 4.51, the connectivity index was 0.27, the omnivory index was 0.21, the Finn cycling index and the mean path length were 2.62% and 2.22 respectively. This study showed that the ecosystem of ecological restoration area in Haizhou Bay was still on a relatively low maturity and stability condition, and at a developing stage and providing adequate supply of energy for fish and other major consumer groups. The results presented in the study can provide the important basic data for evaluating the performance of artificial reef deployed in the Haizhou Bay.
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  • [1] MORRISSETTE L. Complexity,Cost and Quality of Ecosystem Models and Their Impact on Resilience: A Comparative Analysis,with Emphasis on Marine Mammals and the Gulf of St.Lawrence[D].Vancouver:University of British Columbia,2007.[2]李云凯,宋 兵,陈 勇,等.太湖生态系统发育的Ecopath with Ecosim动态模拟[J].中国水产科学,2009,16(2):257-265.[3]郑文军.基于能量通道模型的淀山湖生态系统研究[D].上海:上海海洋大学,2010.[4]王雪辉,杜飞雁,邱永松,等.大亚湾海域生态系统模型研究I:能量流动模型初探[J].南方水产,2005,1(3):1-8.[5]陈作志,邱永松,贾晓平,等.基于Ecopath模型的北部湾生态系统结构和功能[J].中国水产科学,2008,15(3):460-468.[6]林 群,金显仕,郭学武.基于Ecopath模型的长江口及毗邻水域生态系统结构和能量流动研究[J].水生态学杂志,2009,2(2):28-36.[7]吴中鑫,张秀梅,张 磊,等.基于Ecopath模型的荣城俚岛人工鱼礁区生态系统结构和功能评价[J].应用生态学报,2012,23(10):2878-2886.[8]李永刚,汪振华,章守宇,等.嵊泗人工鱼礁海区生态系统能量流动模型初探[J].海洋渔业,2007,29(3):226-233 .[9]卢 璐,张 硕,赵裕青,等.海州湾人工鱼礁海域沉积物中重金属生态风险的分析[J].大连海洋大学学报,2011,26(02):126-132.[10]杨 柳,张 硕,孙满昌,等.海州湾人工鱼礁区浮游植物与环境因子关系的研究[J].上海海洋大学学报,2011,20(03):445-450.[11]孙习武,张 硕,赵裕青,等.海州湾人工鱼礁海域鱼类和大型无脊椎动物群落组成及结构特征[J].上海海洋大学学报,2010,19(4):505-513.[12]孙习武,孙满昌,张 硕,等.海州湾人工鱼礁二期工程海域大型底栖生物初步研究[J].生物学杂志,2011,28(1):57-61.[13]张 虎,刘培延,汤建华,等.海州湾人工鱼礁大型底栖生物调查[J].海洋渔业,2008,30(2):97-104.[14] GB/T12763.6-2007,海洋调查规范-第6部分:海洋生物调查[S].[15]林 群,金显仕.基于营养通道模型的渤海生态系统结构十年变化比较[J].生态学报,2009,29(7):3614-3620.[16]段丽杰.基于EwE的珠江口渔业和近海生态系统模拟研究[D].广州:中山大学,2009.[17]杨纪明.渤海无脊椎动物的食性和营养级研究[J].现代渔业信息,2001,16(9);8-16.[18]杨纪明.渤海鱼类的食性和营养级研究[J].现代渔业信息,2001,16(10):10-19.[19]杨纪明,谭雪静.渤海 3种头足类食性分析[J].海洋科学,2000,24(4):53-55.[20]林龙山.长江口近海小黄鱼食性及营养级分析[J].海洋渔业,2007,29(1):44-48.[22]肖方森.闽南一台湾浅滩海域生态系统渔业容纳量[J].台湾海峡,2003,22(4):449-456.[23]卢振彬.厦门海域渔业资源评估[J].热带海洋,2000,19(2):51-56.[26]尹增强,章守宇,汪振华,等.浙江嵊泗人工鱼礁区小黄鱼生长特征与资源合理利用的初步研究[J].中国生态农业学报,2010,18(3):588-594 .[27]赵 静,章守宇,许 敏.枸杞海藻场生态系统能量流动模型初探[J]. 上海海洋大学学报,2010,19(1):98-104.
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A primary study on the energy flow in the ecosystem of fishery ecological restoration area in HaizhouBay,Lianyungang

  • 1. College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China;
  • 2. Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China;
  • 3. Maine Fisheries Research Institution of Jiangsu, Nantong 226007, China

Abstract: Based on the background survey in the fishery ecological restoration area in HaizhouBay,Lianyungang, in 2003, using the Ecopath module of EwE program, the present study constructed the simple model of energy flow of ecosystem in this area and evaluated the stability of original ecosystem in the ecological restoration area. The result indicated that the energy flow of original ecosystem was dominated by grazing food chain, 54.00% of the energy being utilized and transferred to high trophic levels by grazing path. The trophic levels of functional groups varied from 1.00~4.37. The total energy flow in ecosystem was estimated to be 21946.70 t/km2/a, and the total net primary productivity of the ecosystem was 9500.00 t/km2/a. The energy flow in ecosystem network was concentrated into six trophic levels. Transfer efficiency from primary producer and debris were 14.20% and 13.60% respectively, and the mean transfer efficiency was 13.80%. The TPP/TR ratio was 4.51, the connectivity index was 0.27, the omnivory index was 0.21, the Finn cycling index and the mean path length were 2.62% and 2.22 respectively. This study showed that the ecosystem of ecological restoration area in Haizhou Bay was still on a relatively low maturity and stability condition, and at a developing stage and providing adequate supply of energy for fish and other major consumer groups. The results presented in the study can provide the important basic data for evaluating the performance of artificial reef deployed in the Haizhou Bay.

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