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Ecosystem structure in the Haizhou Bay and adjacent waters based on Ecopath model
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Xiaoming Ren1, Yang Liu3, Binduo Xu1, Chongliang Zhang1, Yiping Ren1, 2, Yuan Cheng4, Ying Xue1, *
Haiyang Xuebao | 2020, 42(6) : 101 - 109
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Haiyang Xuebao | 2020, 42(6): 101-109
• Marine Biology •
Ecosystem structure in the Haizhou Bay and adjacent waters based on Ecopath model
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Xiaoming Ren1, Yang Liu3, Binduo Xu1, Chongliang Zhang1, Yiping Ren1, 2, Yuan Cheng4, Ying Xue1, *
Affiliations
  • 1 Fisheries College, Ocean University of China, Qingdao 266003, China
  • 2 Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine science and Technology (Qingdao), Qingdao 266237, China
  • 3 School of Information, Qingdao Technical College, Qingdao 266555, China
  • 4 Offshore (Dalian) Ecological Development Co. Ltd., Dalian 116023, China
Published: 2020-06-25 doi: 10.3969/j.issn.0253-4193.2020.06.012
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Based on the data obtained from bottom trawl investigation in the Haizhou Bay and adjacent waters in 2018, a mass-balance model for the Haizhou Bay ecosystem was constructed by Ecopath with Ecosim software, consisting of 26 functional groups. Using Ecopath model, we evaluated the trophic structure, trophic impact relationship and ecosystem characters of the Haizhou Bay to provide a theoretical basis for the implementation of ecosystem-based fisheries management. The result showed that in this ecosystem trophic levels of functional groups varied from 1.00 to 4.19, and the range of fish trophic level was wide, ranging from 3.22 to 4.19. Phytoplankton and molluscs were in important nutritional positions in the ecosystem facing with the pressure from both the primary producers and predators. The evaluation of the ecosystem structure and function showed that the total primary production/total respiration (TPP/TR) was 7.096, total primary production /total biomass (TPP/B) was 56.866, the connectance index (CI) and system omnivory index (SOI) were 0.429 and 0.204, indicating that the Haizhou Bay ecosystem was in an immature, unstable state and was susceptible to external disturbances. Through the study of the Haizhou Bay and its adjacent waters ecosystem model, we analyzed the nutrient structure and phylogenetic status of the sea area, which would provide a theoretical basis for the sustainable utilization and scientific management of fishery resources in the Haizhou Bay.

Haizhou Bay  /  Ecopath model  /  trophic structure  /  ecosystem character  /  functional group
Xiaoming Ren, Yang Liu, Binduo Xu, Chongliang Zhang, Yiping Ren, Yuan Cheng, Ying Xue. Ecosystem structure in the Haizhou Bay and adjacent waters based on Ecopath model[J]. Haiyang Xuebao, 2020 , 42 (6) : 101 -109 . DOI: 10.3969/j.issn.0253-4193.2020.06.012
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Year 2020 volume 42 Issue 6
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Article Info
doi: 10.3969/j.issn.0253-4193.2020.06.012
  • Receive Date：2019-07-17
  • Online Date：2026-03-26
  • Published：2020-06-25
Article Data
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History
  • Received：2019-07-17
  • Revised：2019-10-10
Funding
Affiliations
    1 Fisheries College, Ocean University of China, Qingdao 266003, China
    2 Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine science and Technology (Qingdao), Qingdao 266237, China
    3 School of Information, Qingdao Technical College, Qingdao 266555, China
    4 Offshore (Dalian) Ecological Development Co. Ltd., Dalian 116023, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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