Spatio-Temporal Variations of Zooplankton and Correlations with Environmental Parameters around Tiaowei Island, Fujian, China

Zhi Zhang, Zhizhou Shi, Zefeng Yu, Konglin Zhou, Jing Lin, Jiangyue Wu () and Jingli Mu
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Zhi Zhang: Fujian Key Laboratory on Conservation and Sustainable Utilization of Marine Biodiversity, College of Geography and Oceanography, Minjiang University, Fuzhou 350108, China
Zhizhou Shi: Joint Research Center of Marine Ecology of Coastal NPP, Ningde Marine Environmental Monitoring Center of State Oceanic Administration, Ningde 352100, China
Zefeng Yu: Fujian Ningde Nuclear Power Co., Ltd., Ningde 355200, China
Konglin Zhou: Fujian Key Laboratory on Conservation and Sustainable Utilization of Marine Biodiversity, College of Geography and Oceanography, Minjiang University, Fuzhou 350108, China
Jing Lin: Joint Research Center of Marine Ecology of Coastal NPP, Ningde Marine Environmental Monitoring Center of State Oceanic Administration, Ningde 352100, China
Jiangyue Wu: National Marine Hazard Mitigation Service, Ministry of Natural Resource of the People’s Republic of China, Beijing 100194, China
Jingli Mu: Fujian Key Laboratory on Conservation and Sustainable Utilization of Marine Biodiversity, College of Geography and Oceanography, Minjiang University, Fuzhou 350108, China

IJERPH, 2022, vol. 19, issue 19, 1-14

Abstract: The present study illustrates zooplankton dynamics in relation to environmental factors from the surrounding area of Tiaowei Island based on ten seasonal sampling cruises over three years. A total of 116 species of zooplankton were collected with a predominance of Copepoda (mainly consisting of Centropagidae, Oithonidae, Acartia , Labidocera and Paracalanus ), accounting for 31.6 % of the total number of species. The diversity indices indicated a relatively high richness, abundance and evenness of zooplankton ranging from 2.794 to 4.012 on the Shannon–Wiener index for each cruise. More than 20 species of Cnidaria medusae are found as gelatinous organisms, which not only compete with fish but also potentially cause disasters. Significant seasonal variations were detected in both the zooplankton structure and environmental variables. NMDS illustrated a highly overlapping community structure in spring, autumn and winter, while the zooplankton composition in the summer was different from that of the other three seasons with a higher diversity index. Meanwhile, out of thirteen environmental parameters, eight varied significantly among seasons but there were no significant variations among stations. The biota–environmental relationship following a redundancy analysis revealed that water temperature, pH, salinity, dissolved oxygen and suspended particulate composition were the main environmental parameters, seasonally impacting the zooplankton communities. Planktonic larvae (such as nauplius larvae and branchyura zoea) and some zooplankton (including Corophium sinensis and Oithona similis ) were significantly vulnerable to the dynamics of suspended particulate composition and water temperature.

Keywords: zooplankton; spatio-temporal distribution; copepods; jellyfish; Tiaowei Island (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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