Journal
CIENCIAS MARINAS
Volume 32, Issue 4, Pages 695-704Publisher
INST INVESTIGACIONES OCEANOLOGICAS, U A B C
DOI: 10.7773/cm.v32i4.1158
Keywords
seagrass meadows; marine phanerogams; fish assemblages; seasonality; Canary Islands
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The seasonal cycle of a mixed seagrass meadow of Cymodocea nodosa and Caulerpa prolifiera and of the associated ichthyofauna was studied at Playa Dorada (Lanzarote, Canary Islands, eastern Atlantic) from March 2001 to April 2002. A seasonal (bimodal) cycle was clearly observed, with maximum values in spring and summer (April-September) and minimum in winter (December-March). Shoot densities oscillated between 372 and 1014 shoots m(-2), the biomass of Cymodocea nodosa between 94 and 271 g DW m(-2), total vegetal biomass between 94 and 383 g DW m(-2) and mean leaf lengths between 10 and 18 cm. Mean fish richness fluctuated between 0.7 and 5.3 species and total fish densities between 2.0 and 144.0 ind 100 m(-2). There was a clear correlation between the cycles of C nodosa and the associated fish population.
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