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Relationship between species diversity and biomass of demersal fish in Haizhou Bay
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Yonghui Wan1, 2, Shude Liu3, Chongliang Zhang1, 2, *, Yupeng Ji1, 2, Binduo Xu1, 2, Ying Xue1, 2
Haiyang Xuebao | 2023, 45(9) : 82 - 90
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Haiyang Xuebao | 2023, 45(9): 82-90
• Article •
Relationship between species diversity and biomass of demersal fish in Haizhou Bay
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Yonghui Wan1, 2, Shude Liu3, Chongliang Zhang1, 2, *, Yupeng Ji1, 2, Binduo Xu1, 2, Ying Xue1, 2
Affiliations
  • 1Fisheries College, Ocean University of China, Qingdao 266003, China
  • 2Field Observation and Research Station of Haizhou Bay Fishery Ecosystem, Ministry of Education, Qingdao 266003, China
  • 3Shandong Fishery Development and Resource Conservation Station, Yantai 264003, China
Published: 2023-09-30 doi: 10.12284/hyxb2023134
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Many of the global ecosystem functions are changing with the loss of biodiversity. It is therefore particularly important to understand the biodiversity-ecosystem functioning (BEF) relationships to support scientific ecological conservation and management. In this study, we evaluated the relationship between environmental factors, biodiversity (species richness and evenness) and ecosystem functions (measured as total biomass) in the benthic fish community of Haizhou Bay, using structural equation modeling (SEM) based on bottom trawl survey data conducted in spring 2013−2022. The results showed that there was a significant positive correlation between species richness and biomass, and a significant negative correlation between evenness and biomass. Among the environmental factors, salinity had significant effects on both species richness and biomass. Regarding the effects of temperature, the temperatures in winter and summer had a stronger effect on biomass than that of annual average temperature. The study suggested that two mechanisms, the niche complementarity mechanism and selection mechanism, may simultaneously play a role in maintaining the biodiversity-biomass relationships in the groundfish communities of Haizhou Bay, and in addition to the fact that such relationships depend on the environmental and habitat conditions.

biodiversity  /  ecosystem functioning  /  structural equation model  /  biomass  /  niche complementarity  /  selection mechanism  /  demersal fish
Yonghui Wan, Shude Liu, Chongliang Zhang, Yupeng Ji, Binduo Xu, Ying Xue. Relationship between species diversity and biomass of demersal fish in Haizhou Bay[J]. Haiyang Xuebao, 2023 , 45 (9) : 82 -90 . DOI: 10.12284/hyxb2023134
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Article Info
doi: 10.12284/hyxb2023134
  • Receive Date：2023-02-24
  • Online Date：2025-12-28
  • Published：2023-09-30
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History
  • Received：2023-02-24
  • Revised：2023-06-26
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Affiliations
    1Fisheries College, Ocean University of China, Qingdao 266003, China
    2Field Observation and Research Station of Haizhou Bay Fishery Ecosystem, Ministry of Education, Qingdao 266003, China
    3Shandong Fishery Development and Resource Conservation Station, Yantai 264003, 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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