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Variations in the abundance and spatial distribution of Ommastrephes bartramii in the Northwest Pacific Ocean based on photosynthetic active radiation
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Mengting Qian1, Jingwen Gong1, Jiangtao Fan2, Wei Yu1, 3, 4, *, Xinjun Chen1, 3, 4, Weiguo Qian5
Haiyang Xuebao | 2020, 42(12) : 44 - 53
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Haiyang Xuebao | 2020, 42(12): 44-53
• Article •
Variations in the abundance and spatial distribution of Ommastrephes bartramii in the Northwest Pacific Ocean based on photosynthetic active radiation
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Mengting Qian1, Jingwen Gong1, Jiangtao Fan2, Wei Yu1, 3, 4, *, Xinjun Chen1, 3, 4, Weiguo Qian5
Affiliations
  • 1 College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
  • 2 Key Laboratory of Open-Sea Fishery Development, Ministry of Agriculture and Rural Affairs, Guangzhou 510300, China
  • 3 National Engineering Research Center for Oceanic Fisheries, Shanghai 201306, China
  • 4 Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai 201306, China
  • 5 School of Fishery, Zhejiang Ocean University, Zhoushan 316022, China
Published: 2020-12-25 doi: 10.3969/j.issn.0253-4193.2020.12.005
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The photosynthetic active radiation (PAR) plays a significant role in regulating ocean primary productivity, so it may indirectly affect the abundance and spatial distribution of cephalopods. In this study, we examined the relationship between photosynthetic active radiation and Ommastrephes bartramii stocks in the Northwest Pacific Ocean, and evaluated the impacts of the anomalous climatic environments on the squid stocks, based on the fishery data during 2006−2015 obtained from the squid-jigging Science and Technology Group of Shanghai Ocean University and the remotely satellite data of PAR. The results indicated that catch per unit effort (CPUE), latitudinal gravity center (LATG), PAR and its spatial distribution exhibited significant monthly variation. From July to November, the suitable range of PAR was 36−39 E/(m2·d) in July, 33−36 E/(m2·d) in August, 24−27 E/(m2·d) in September, 18 E/(m2·d) in October and 12 E/(m2·d) in November. The most favorable PAR was 36 E/(m2·d), 33 E/(m2·d), 27 E/(m2·d), 18 E/(m2·d), 12 E/(m2·d), respectively, from July to November. The results showed that a significant positive relationship (p<0.05) was found between CPUE and PAR, and further a significantly positive correlation (p<0.05) was found between CPUE and the monthly percentages of suitable PAR accounting for the whole fishing ground. Meanwhile, the LATG varied with the mean latitude of the most preferred PAR in each month. Finally, under the anomalous climatic environments, the CPUE in the La Niña years is higher than that in the El Niño years, which may be caused by the higher PAR in the La Niña years. Our findings indicated that the PAR strongly affected the abundance and spatial distribution of O.bartramii in the Northwest Pacific Ocean.

Ommastrephes bartramii  /  photosynthetically active radiation  /  abundance  /  spatial distribution  /  anomalous environments  /  Northwest Pacific Ocean
Mengting Qian, Jingwen Gong, Jiangtao Fan, Wei Yu, Xinjun Chen, Weiguo Qian. Variations in the abundance and spatial distribution of Ommastrephes bartramii in the Northwest Pacific Ocean based on photosynthetic active radiation[J]. Haiyang Xuebao, 2020 , 42 (12) : 44 -53 . DOI: 10.3969/j.issn.0253-4193.2020.12.005
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Year 2020 volume 42 Issue 12
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Article Info
doi: 10.3969/j.issn.0253-4193.2020.12.005
  • Receive Date：2019-08-01
  • Online Date：2026-03-27
  • Published：2020-12-25
Article Data
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History
  • Received：2019-08-01
  • Revised：2019-11-07
Funding
Affiliations
    1 College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
    2 Key Laboratory of Open-Sea Fishery Development, Ministry of Agriculture and Rural Affairs, Guangzhou 510300, China
    3 National Engineering Research Center for Oceanic Fisheries, Shanghai 201306, China
    4 Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai 201306, China
    5 School of Fishery, Zhejiang Ocean University, Zhoushan 316022, 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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