Abstract：A monthly survey was conducted in Tianjin coastal waters from April to November in 2018 and 2019 by using large-scale plankton network, and the species composition, dominant species, community structure and abundance distribution of eggs and larvae were analyzed in Tianjin coastal waters. The results showed that 10 species of egg were detected in 2018, belonging to 4 orders and 9 families, 9 species of larvae belonging to 5 orders and 8 families, and 9 species of egg in 2019, belonging to 4 orders and 8 families, and 8 species of larvae belonging to 5 orders and 7 families. There were 3 dominant species of egg in 2018 and 2019, the common dominant species were in Clupeidae; 3 and 2 dominant species of larvae in 2018 and 2019, respectively, with the common dominant species of Thryssa kammilensis and Salanx ariakensis. The total average abundance of egg and larvae was 0.418 ind/m3 and 0.205 ind/m3 in 2018, and 0.961 ind/m3 and 0.240 ind/m3 in 2019. There was no significant difference in abundance of larvae between years, which was greatly affected by seasonal and spatial changes. The generalized additive model (GAM) analysis revealed that temperature, redox potential and pH were the main factors influencing on abundance of egg and larvae (P<0.001). The findings is expected to provide a systematic reference for the investigation of fishery resources to supplement the egg and larvae in the coastal waters of Tianjin.
张迎, 张树林, 张达娟, 姚冬梅. 基于广义加性模型的天津近海鱼卵、仔稚鱼群落结构研究[J]. 水产科学, 2022, 41(1): 11-22.
ZHANG Ying, ZHANG Shulin, ZHANG Dajuan, YAO Dongmei. Community Structure of Eggs and Larvae off the Coast of Tianjin Based on Generalized Additive Model (GAM). Fisheries Science, 2022, 41(1): 11-22.
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2022, Vol. 41 
