Seasonal organization of tintinnid community by temperature preference and LOD size-class in a subtropical brackish embayment - Aix-Marseille Université Accéder directement au contenu
Article Dans Une Revue Journal of Plankton Research Année : 2024

Seasonal organization of tintinnid community by temperature preference and LOD size-class in a subtropical brackish embayment

Jingyuan Li
  • Fonction : Auteur
Ping Du
Haibo Li
  • Fonction : Auteur
Yuan Zhao
  • Fonction : Auteur
Ming Mao
  • Fonction : Auteur
Li Zhao
  • Fonction : Auteur
Yi Dong
  • Fonction : Auteur
Yepeng Xu
  • Fonction : Auteur
Gérald Grégori
Wuchang Zhang

Résumé

Abstract Most annual studies of tintinnid and phytoplankton in coastal habitats are influenced by alien species introduced by water masses exchange, and therefore cannot be used as direct evidence for exploring the mechanism of annual succession in indigenous community. For brackish communities, very limited annual studies exist because of the difficulty of conducting stable sampling in the transition between freshwater and seawater. The special topography of Xiangshan Bay isolates the external water mass and provides a suitable habitat for exploring the annual succession mechanism of the brackish tintinnid community. In this study, samples were collected from seven stations in Tie Harbor, Xiangshan Bay (East China Sea) during 10 months from 2022 to 2023. A total of 23 tintinnid species of five genera were identified throughout the year. These tintinnid species can be clustered into four seasonal groups, winter, summer, autumn and spring-autumn, with three temperature preferences. The Lorica Oral Diameter (LOD) size-class of each tintinnid species, which determines the food item size of tintinnid, separated their different ecological niches within each seasonal group. The seasonal succession of tintinnid community in Xiangshan Bay was organized by both temperature preference and LOD size of the tintinnid species.
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Dates et versions

hal-04527606 , version 1 (30-03-2024)

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Citer

Jingyuan Li, Ping Du, Haibo Li, Yuan Zhao, Ming Mao, et al.. Seasonal organization of tintinnid community by temperature preference and LOD size-class in a subtropical brackish embayment. Journal of Plankton Research, 2024, ⟨10.1093/plankt/fbae005⟩. ⟨hal-04527606⟩
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