Márquez-Rojas, B., H. Colina-Romero & L. Troccoli. (2024). Cambios temporales y espaciales de la familia Temoridae (Copepoda, Calanoida) en el nororiente de Venezuela (Mar Caribe Suroriental). Temporal and spatial changes of the family Temoridae (Copepoda, Calanoida) in northeastern Venezuela (southeast Caribbean Sea). Acta Oceanográfica del Pacífico N.S. 6(2):18-37. [Spanish and English versions].

507010

10.54140/raop.v6i2.79 [view]

Márquez-Rojas, B., H. Colina-Romero & L. Troccoli

2024

6(2):18-37. [Spanish and English versions]

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Temora is a representative genus of the Calanoida copepods and is abundant in tropical pelagic ecosystems. The abundance of males, females, and the sex ratio of the species of the Temoridae family and their relationship with environmental variables in the Mochima National Park were studied between December 2015 and October 2016, in 3 external and 3 internal stations. The significant temporal differences in temperature evidenced the period of coastal upwelling (December 2015, February and April 2016). Temora turbinata and T. stylifera were identified. T. turbinata was more abundant than T. stylifera. The density of T. turbinata did not vary temporally (p > 0.05); however, the highest values were recorded in the internal stations, while T. stylifera dominated in the external stations. The abundance of adults (males and females) of T. turbinata during the upwelling period did not show correlation (p > 0.05) with any of the physicochemical variables of the water, while during relaxation (June, August and October 2016) they were associated with dissolved oxygen. T. turbinata, showed a dominance of females; the first stages (CI – CV) were detected during the coastal upwelling period, indicating that the species may be feeding on phytoplankton. Temora is proposed as an indicator species of the trophic web in eastern Venezuela. Key words: Temora turbinata, Temora stylifera, copepod, coastal upwelling, Mochima National Park

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