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Reproduction, energy storage and metabolic requirements in a mesophotic population of the gorgonian Paramuricea macrospina
Grinyó, J.; Viladrich, N.; Díaz, D.; Muñoz, A.; Mallol, S.; Salazar, J.; Castillo, R.; Gili, J.-M.; Gori, A. (2018). Reproduction, energy storage and metabolic requirements in a mesophotic population of the gorgonian Paramuricea macrospina. PLoS One 13(9): e0203308. https://dx.doi.org/10.1371/journal.pone.0203308
In: PLoS One. Public Library of Science: San Francisco. ISSN 1932-6203; e-ISSN 1932-6203, meer
Peer reviewed article  

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Auteurs  Top | Dataset 
  • Grinyó, J.
  • Viladrich, N.
  • Díaz, D.
  • Muñoz, A.
  • Mallol, S.
  • Salazar, J.
  • Castillo, R.
  • Gili, J.-M.
  • Gori, A.

Abstract
    This study examined the sexual reproductive cycle, energy storage and metabolic requirements of a Mediterranean gorgonian in a mesophotic ecosystem (~70 m depth). Paramuricea macrospina resulted to be a gonochoric internal brooding species with a 1:1 population sex ratio. Oogenesis lasted ~12–14 months, whereas spermatogenesis was significantly shorter, only lasting 6 months. Fertilization occurred during late summer (August) and larval release occurred during autumn (September–October). The organic matter and total lipid content showed a slight seasonal variability. Stable isotopic composition remained constant throughout the year, reflecting a general stability in gorgonian food sources. Conversely, the free fatty acid composition varied seasonally, reflecting changes in P. macrospina energetic demands probably related to gametogenesis and larval brooding. The reproductive ecology and biochemical composition of P. macrospina significantly differ from shallow coastal gorgonian species, reflecting the higher environmental stability of deeper environments.

Dataset
  • CorMedNet- Distribution and demographic data of habitat-forming invertebrate species from Mediterranean coralligenous assemblages between 1882 and 2019., meer

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