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Open Access item Settlement and early survival of red coral on artificial substrates in different geographic areas: some clues for demography and restoration

Authors:Bramanti, Lorenzo
Rossi, Sergio
Tsounis, Georgios
Gili, Josep Maria
Santangelo, G.
Keywords:Artificial substrates, Corallium rubrum, Octocorals, Recruitment, Settlement, Western Mediterranean
Issue Date:Apr-2007
Publisher:Springer
Citation:Hydrobiologia 580(1): 219-224(2007)
Abstract:The red coral Corallium rubrum (L 1758) is a long-lived, slow-growing gorgonian, endemic to Mediterranean rocky bottoms. Because of its high economic value, red coral has long been harvested, and most populations have been depleted. In the present study, 54 marble tiles were placed in June 2003 within red coral populations over 3 different geographic areas (Calafuria–Livorno and Elba MPA in Italy and Medes Islets MPA, in Spain), on vertical cliffs between 25 and 35 m. In each area 2 different sites were randomly selected. Tiles were subsequently sampled photographically. Between July and August 2003 red coral recruits settled on tiles in all the geographic areas and sites, exhibiting wide variability in their density. On the basis of a 2-factors nested ANOVA a significant variability between different sites at a few hundred metres distance occurred, indicating high variations in the recruitment process within the same red coral population. Mortality, measured in June 2004, widely varied between different geographic areas
Description:6 pages, 1 figure, 1 table
Publisher version (URL):http://dx.doi.org/10.1007/s10750-006-0452-1
URI:http://hdl.handle.net/10261/26813
ISSN:0018-8158(Print)
1573-5117(Online)
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Appears in Collections:(ICM) Artículos

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