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Anthesis effects on Posidonia oceanica (L.) Delile phenology in the Bay of Calvi (Corsica, Mediterranean Sea)

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Abstract

In Posidonia oceanica (L.) Delile, anthesis induces a decrease in the number of juvenile leaves resulting in a significant reduction in the number of leaves on the flowering shoots. All the leaves of the flowering shoots are narrower than the leaves of nonflowering shoots. A modification of the leaf growth also appears in flowering shoots: the oldest leaves are longer and the leaves induced during or after anthesis are shorter. At 10 m depth, in the Bay of Calvi, anthesis lasts roughly 3 months and the flowering is induced 7 months before anthesis.

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Authors and Affiliations

  1. Oceanology, University of Liège, Sart Tilman, B6, B-4000, Liège, Belgium

    Sylvie Gobert, Olivier Defawe, Gilles Lepoint & Jean-Marie Bouquegneau

  2. Laboratory of Algology, Mycology and Experimental Systematics, University of Liège, Sart Tilman, B22, B-4000, Liège, Belgium

    Vincent Demoulin

Authors
  1. Sylvie Gobert
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  2. Olivier Defawe
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  3. Gilles Lepoint
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  4. Vincent Demoulin
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  5. Jean-Marie Bouquegneau
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Correspondence to Sylvie Gobert.

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Gobert, S., Defawe, O., Lepoint, G. et al. Anthesis effects on Posidonia oceanica (L.) Delile phenology in the Bay of Calvi (Corsica, Mediterranean Sea). Hydrobiologia 455, 121–125 (2001). https://doi.org/10.1023/A:1011973518958

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