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Reproductive potential in Ruppia cirrhosa (Petagna) Grande in response to water permanence
Gesti, J.; Badosa, A.; Quintana, X.D. (2005). Reproductive potential in Ruppia cirrhosa (Petagna) Grande in response to water permanence. Aquat. Bot. 81(3): 191-198.
In: Aquatic Botany. Elsevier Science: Tokyo; Oxford; New York; London; Amsterdam. ISSN 0304-3770, more
Peer reviewed article  

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    Coastal lagoons; Flooding; Lagoons; Reproduction; Ruppia cirrhosa (Petagna) Grande, 1918 [WoRMS]; ANE, Europe, Iberian Peninsula [Marine Regions]; Marine
Author keywords
    reproductive potential; Ruppia cirrhosa; temporary lagoon

Authors  Top 
  • Gesti, J.
  • Badosa, A.
  • Quintana, X.D.

    We compared the reproductive effort of perennial and annual Ruppia cirrhosa (Petagna) Grande in a mediterranean coastal lagoon where the species develops in permanent waters as well as in shallow areas which dry up during some months. In permanently flooded areas, Ruppia cirrhosa was perennial with biomass maxima up to 800 g DW m-2. Here, the reproductive period lasted 8-10 weeks (between April and June), the reproductive effort was low (with 4-8 fl g -1 DW) and mature fruit development was practically absent. In temporarily flooded areas, in contrast, Ruppia cirrhosa developed in an annual cycle which was completed in less than 8 weeks (maximum biomass of 137 g DW m-2); reproductive activity began later in the year (June) and lasted 3-4 weeks, but led to more flowers (17 fl g-1 DW) and a high fruit production (up to 590 fr m-2). We conclude that reproductive effort in Ruppia cirrhosa is highly plastic and interpret this as an adaptation to temporay flooding.

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