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Seasonal variations of planktonic copepods abundance and their relationship with environmental factors in the Haizhou Bay
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Shuangning Ren1, Shuo Zhang1, *, Shike Gao1, *, Jikun Lu2, Guanghui Fu2
Haiyang Xuebao | 2024, 46(3) : 89 - 97
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Haiyang Xuebao | 2024, 46(3): 89-97
Seasonal variations of planktonic copepods abundance and their relationship with environmental factors in the Haizhou Bay
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Shuangning Ren1, Shuo Zhang1, *, Shike Gao1, *, Jikun Lu2, Guanghui Fu2
Affiliations
  • 1. College of Marine Living Resourse Sciences and Management, Shanghai Ocean University, Shanghai 201306, China
  • 2. Marine and Fishery Development Promotion Center, Lianyungang 222002, China
Published: 2024-03-31 doi: 10.12284/hyxb2024050
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Planktonic copepods is an important group of zooplankton. It is of great significance to study the distribution characteristics of planktonic copepods abundance and its correlation with various environmental indicators. In this study, we analyzed environmental monitoring data of Haizhou Bay, Lianyungang, Jiangsu Province, from 2003 to 2022 using generalized additive model (GAM), to investigate the spatiotemporal variation of planktonic copepods and its correlation with other sea water indicators. The results showed that the abundance of planktonic copepods varied significantly different between seasons (p < 0.01), and the mean value of copepods was greater in spring than in summer than in autumn. The spatial distribution of abundance was generally low in the artificial reef area and high in the southern coastal area. GAM analysis showed that the main influencing factors were different between seasons. The main influencing factors in spring were dissolved oxygen, chlorophyll a concentration, ${\mathrm{SiO}}_3^- $-Si concentration and ${\mathrm{NO}}_3^- $-N concentration. The main influencing factors in summer were biochemical oxygen demand, temperature, ${\mathrm{SiO}}_3^- $-Si concentration and ${\mathrm{NH}}_4^+ $-N concentration. The main influencing factors in autumn were dissolved oxygen, salinity, suspended solids content and ${\mathrm{PO}}_4^{3-} $-P concentration. This study can provide a reference for further study of zooplankton structure and habitat suitability evaluation in artificial reef waters.

planktonic copepods  /  seasonal variation  /  spatial distribution  /  generalized additive model analysis
Shuangning Ren, Shuo Zhang, Shike Gao, Jikun Lu, Guanghui Fu. Seasonal variations of planktonic copepods abundance and their relationship with environmental factors in the Haizhou Bay[J]. Haiyang Xuebao, 2024 , 46 (3) : 89 -97 . DOI: 10.12284/hyxb2024050
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Year 2024 volume 46 Issue 3
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Article Info
doi: 10.12284/hyxb2024050
  • Receive Date：2023-10-16
  • Online Date：2025-11-26
  • Published：2024-03-31
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  • Received：2023-10-16
  • Revised：2024-01-08
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Affiliations
    1. College of Marine Living Resourse Sciences and Management, Shanghai Ocean University, Shanghai 201306, China
    2. Marine and Fishery Development Promotion Center, Lianyungang 222002, 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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