Efecto del tamaño de pólipo y de los exudados de corales sobre la dinámica de picoeucariotas en un ambiente controlado

Autores/as

  • Ying-Pin Wang Institute of Marine Biodiversity and Evolutionary Biology, National Dong Hwa University
  • Kwee Siong Tew Institute of Marine Biodiversity and Evolutionary Biology, National Dong Hwa University - National Museum of Marine Biology and Aquarium
  • Jimmy Kuo National Museum of Marine Biology and Aquarium - Institute of Marine Biotechnology, National Dong Hwa University
  • Fung-Chi Ko Institute of Marine Biodiversity and Evolutionary Biology, National Dong Hwa University - National Museum of Marine Biology and Aquarium
  • Pei-Jie Meng Institute of Marine Biodiversity and Evolutionary Biology, National Dong Hwa University - National Museum of Marine Biology and Aquarium

DOI:

https://doi.org/10.3989/scimar.03405.02A

Palabras clave:

corales escleractínidos, Stylophora pistillata, Montipora stellata, picoeucariotas, depredación, exudados de corales

Resumen


Hemos estudiado la capacidad de corales escleractinios con diferentes tamaños de pólipo de depredar picoplancton eucariótico, y también el efecto de los exudados de los corales sobre el crecimiento de picoplancton eucariótico. Los experimentos se realizaron añadiendo picoplancton eucariótico a Stylophora pistillata (SP) y Montipora stellata (MS). Después de 6 horas, las concentraciones de picoplancton eucariótico en los tanques de SP y MS fueron significativamente reducidas, en comparación con las del tanque control sin coral. SP mostró en general una actividad depredadora algo más grande que MS, y éste redujo su actividad en condiciones de luz. Los picoeucariotas expuestos a exudados de SP llegaron a concentraciones más altas que cuando fueron expuestos a exudados de MS o a agua sin corales. La concentración de carbono orgánico disuelto en los tanques de SP también fué significativamente más alta. Se concluye que las tasas de depredación sobre los picoeukaryotes fueron más altas con S. pistillata que con M. stellata, y que los exudados del coral pueden recíprocamente mejorar el crecimiento de picoplancton eucariótico.

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Publicado

2012-09-30

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1.
Wang Y-P, Siong Tew K, Kuo J, Ko F-C, Meng P-J. Efecto del tamaño de pólipo y de los exudados de corales sobre la dinámica de picoeucariotas en un ambiente controlado. Sci. mar. [Internet]. 30 de septiembre de 2012 [citado 22 de julio de 2024];76(3):455-61. Disponible en: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/1360

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