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Study on fish species diversity in the East China Sea in summer based on environmental DNA technology
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Xiaoling Li1, Yang Liu1, 2, 3, 4, 5, Congcong Wang1, 2, 3, 4, 5, *, Yewei Yu1, Gang Li1, 2, 3, 4, 5, *
Haiyang Xuebao | 2022, 44(4) : 74 - 84
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Haiyang Xuebao | 2022, 44(4): 74-84
• Article •
Study on fish species diversity in the East China Sea in summer based on environmental DNA technology
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Xiaoling Li1, Yang Liu1, 2, 3, 4, 5, Congcong Wang1, 2, 3, 4, 5, *, Yewei Yu1, Gang Li1, 2, 3, 4, 5, *
Affiliations
  • 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 201306, China
  • 3. National Distant-water Fisheries Engineering Research Center, Shanghai Ocean University, Shanghai 201306, China
  • 4. Key Laboratory of Ocean Fisheries Exploitation, Ministry of Agriculture and Rural Affairs, Shanghai 201306, China
  • 5. Scientific Observing and Experimental Station of Oceanic Fishery Resources, Ministry of Agriculture and Rural Affairs, Shanghai 201306, China
Published: 2022-04-15 doi: 10.12284/hyxb2022088
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To understand the species composition of the dominant fish species communities in the East China Sea and to monitor and protect their diversity, environmental DNA technology to analyze the species diversity of fish in the East China Sea was used in this study. Through the collection of seawater samples, eDNA extraction, amplification and high-throughput sequencing analysis, a total of 44 species of marine fishes in 2 classes, 23 orders, 29 families and 42 genera were detected, and most of the species were found in the traditional fishery resources survey in the East China Sea. Among them, the species with high relative abundance were red nose anchovy (Thryssa kammalensis), blue-spotted horse mackerel (Scomberomorus niphonius), Japanese mackerel (Scomber japonicus), small yellowtail (Larimichthys polyactis) and mullet (Mugil cephalus). The alpha diversity among stations was significant difference, and generally showed high biodiversity at coastal stations and high biological abundance at offshore stations. The results suggested that environmental DNA technology could quickly explore the diversity and spatial distribution of fish species in the East China Sea, as an effective supplementary to traditional fisheries resource monitoring.

environmental DNA  /  East China Sea  /  biodiversity  /  fish
Xiaoling Li, Yang Liu, Congcong Wang, Yewei Yu, Gang Li. Study on fish species diversity in the East China Sea in summer based on environmental DNA technology[J]. Haiyang Xuebao, 2022 , 44 (4) : 74 -84 . DOI: 10.12284/hyxb2022088
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Article Info
doi: 10.12284/hyxb2022088
  • Receive Date：2021-07-21
  • Online Date：2026-02-01
  • Published：2022-04-15
Article Data
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History
  • Received：2021-07-21
  • Revised：2021-12-17
Funding
Affiliations
    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 201306, China
    3. National Distant-water Fisheries Engineering Research Center, Shanghai Ocean University, Shanghai 201306, China
    4. Key Laboratory of Ocean Fisheries Exploitation, Ministry of Agriculture and Rural Affairs, Shanghai 201306, China
    5. Scientific Observing and Experimental Station of Oceanic Fishery Resources, Ministry of Agriculture and Rural Affairs, Shanghai 201306, China
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https://castjournals.cast.org.cn/joweb/hyxb/EN/10.12284/hyxb2022088
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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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