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Spatiotemporal variations and influencing factors of euphotic depth and primary productivity in the Zhanjiang Bay
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Guo Yu1, Yafeng Zhong2, *, Dongyang Fu1, 4, Fajin Chen3, Dazhao Liu1, 4, Huabing Xu1, *, Bei Liu1
Haiyang Xuebao | 2022, 44(8) : 31 - 41
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Haiyang Xuebao | 2022, 44(8): 31-41
• Article •
Spatiotemporal variations and influencing factors of euphotic depth and primary productivity in the Zhanjiang Bay
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Guo Yu1, Yafeng Zhong2, *, Dongyang Fu1, 4, Fajin Chen3, Dazhao Liu1, 4, Huabing Xu1, *, Bei Liu1
Affiliations
  • 1. College of Electronic and Information Engineering, Guangdong Ocean University, Zhanjiang 524088, China
  • 2. College of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China
  • 3. College of Oceanography and Meteorology, Guangdong Ocean University, Zhanjiang 524088, China
  • 4. Marine Resources Big Data Center of South China Sea, Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Zhanjiang 524025, China
Published: 2022-08-01 doi: 10.12284/hyxb2022136
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The temporal and spatial variation characteristics and influencing factors of euphotic depth and primary productivity in the Zhanjiang Bay were studied by applying voyage data of four seasons from 2016 to 2017．The results showed that the average value of euphotic depth was (6.95±3.17) m, and the spatial variations were more obvious than the seasonal variations. There was a significant positive correlation between Kd (PAR) and turbidity, as the R2 of established linear regression model was 0.73 (p<0.01), indicating that suspended particles on euphotic depth was the dominant attenuation factor in the Zhanjiang Bay. The average value of primary productivity obtained by VGPM model was (639.53±427.95) mg/(m2·d), and its temporal and spatial characteristics were basically consistent with euphotic depth, which mean euphotic depth explained the temporal and spatial distribution pattern of primary productivity better than chlorophyll a concentration.

euphotic depth  /  primary productivity  /  Kd(PAR)  /  turbidity  /  VGPM  /  Zhanjiang Bay
Guo Yu, Yafeng Zhong, Dongyang Fu, Fajin Chen, Dazhao Liu, Huabing Xu, Bei Liu. Spatiotemporal variations and influencing factors of euphotic depth and primary productivity in the Zhanjiang Bay[J]. Haiyang Xuebao, 2022 , 44 (8) : 31 -41 . DOI: 10.12284/hyxb2022136
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Article Info
doi: 10.12284/hyxb2022136
  • Receive Date：2021-08-28
  • Online Date：2026-02-01
  • Published：2022-08-01
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  • Received：2021-08-28
  • Revised：2022-01-15
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Affiliations
    1. College of Electronic and Information Engineering, Guangdong Ocean University, Zhanjiang 524088, China
    2. College of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China
    3. College of Oceanography and Meteorology, Guangdong Ocean University, Zhanjiang 524088, China
    4. Marine Resources Big Data Center of South China Sea, Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Zhanjiang 524025, 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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