Proceedings of the Second Mediterranean Symposium on Marine
Proceedings of the Second Mediterranean Symposium on Marine
Proceedings of the Second Mediterranean Symposium on Marine
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CONTRIBUTE TO THE KNOWLEDGE OF MACROALGAL<br />
BIODIVERSITY OF THE LIGURIAN COAST<br />
Luisa MANGIALAJO 1 , Giuseppina BARBERIS and Riccardo CATTANEO VIETTI<br />
Dipartimento per lo Studio del Territorio e delle sue Risorse, Università degli studi di Genova C.so Europa 26, 16132 GENOVA.<br />
Author: Luisa Mangialajo, luisama@dipteris.unige.it<br />
ABSTRACT<br />
The macrophytobenthos <str<strong>on</strong>g>of</str<strong>on</strong>g> Liguria (North-Western <str<strong>on</strong>g>Mediterranean</str<strong>on</strong>g>) was object <str<strong>on</strong>g>of</str<strong>on</strong>g> various<br />
studies in <str<strong>on</strong>g>the</str<strong>on</strong>g> past: bibliography anterior to 1950 enumerates more than 400 species<br />
(as well as o<str<strong>on</strong>g>the</str<strong>on</strong>g>r intraspecific taxa). On <str<strong>on</strong>g>the</str<strong>on</strong>g> o<str<strong>on</strong>g>the</str<strong>on</strong>g>r hand recent data c<strong>on</strong>cerning this regi<strong>on</strong><br />
are scarce and <str<strong>on</strong>g>of</str<strong>on</strong>g>ten published in grey literature. In <str<strong>on</strong>g>the</str<strong>on</strong>g> checklist <str<strong>on</strong>g>of</str<strong>on</strong>g> Italian<br />
macrophytobenthos (Furnari et al., 2003), <strong>on</strong>ly 119 species are enumerated between<br />
1950 and 2000. The present work reports new records for <str<strong>on</strong>g>the</str<strong>on</strong>g> area and c<strong>on</strong>tains<br />
bibliography, herbaria and unpublished data. More than 50 entities are inedited<br />
quotati<strong>on</strong>s. A comparis<strong>on</strong> between actual and historical data is here carried out, showing<br />
an increase <str<strong>on</strong>g>of</str<strong>on</strong>g> elements with warm affinities and a decrease <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> cold <strong>on</strong>es.<br />
KEYWORDS: Macrophytobenthos, biodiversity, Liguria<br />
INTRODUCTION<br />
The macrophytobenthos <str<strong>on</strong>g>of</str<strong>on</strong>g> Liguria (North-Western<br />
<str<strong>on</strong>g>Mediterranean</str<strong>on</strong>g>, Fig. 1) was object <str<strong>on</strong>g>of</str<strong>on</strong>g> various studies in <str<strong>on</strong>g>the</str<strong>on</strong>g><br />
19th century until <str<strong>on</strong>g>the</str<strong>on</strong>g> beginning <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> 20th. Litterature<br />
anterior to 1950 enumerates more than 400 species (and<br />
o<str<strong>on</strong>g>the</str<strong>on</strong>g>r intraspecific taxa); most <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g>se being reported by<br />
Ardiss<strong>on</strong>e & Strafforello (1877).<br />
Recent data c<strong>on</strong>cerning this regi<strong>on</strong> are scarce, <str<strong>on</strong>g>of</str<strong>on</strong>g>ten being<br />
published in grey literature. In <str<strong>on</strong>g>the</str<strong>on</strong>g> checklist <str<strong>on</strong>g>of</str<strong>on</strong>g> Italian<br />
macrophytobenthos (Furnari et al., 2003), <strong>on</strong>ly 119 entities<br />
are enumerated for Liguria between 1950 and 2000, 116<br />
<str<strong>on</strong>g>of</str<strong>on</strong>g> which bel<strong>on</strong>g to Rhodophyta, Phaeophyta and<br />
Chlorophyta, <str<strong>on</strong>g>the</str<strong>on</strong>g> <strong>on</strong>ly taxa c<strong>on</strong>sidered in this study.<br />
MATERIAL AND METHODS<br />
Fig. 1: Liguria<br />
The research <str<strong>on</strong>g>of</str<strong>on</strong>g> actual records from 1950 <strong>on</strong> was carried out in literature (Tort<strong>on</strong>ese,<br />
1958, 1961; 1962; Relini et al., 1986; Balduzzi et al. 1993; Cattaneo-Vietti et al., 2002;<br />
Furnari et al., 2003), in Herbaria (GDOR, GE, HbMangialajo) and in <str<strong>on</strong>g>the</str<strong>on</strong>g> field. Historical<br />
data were searched in <str<strong>on</strong>g>the</str<strong>on</strong>g> literature (Ardiss<strong>on</strong>e, 1883, 1886; Picc<strong>on</strong>e, 1885; Ardiss<strong>on</strong>e<br />
and Strafforello., 1887; Vinassa, 1891a, 1891b; Preda, 1904, 1917; Tosco, 1958) and in<br />
Herbaria (GDOR, GE).<br />
ACTES DU DEUXIEME SYMPOSIUM MEDITERRANEEN SUR LA VEGETATION MARINE (ATHENES, 12-13 DECEMBRE 2003)<br />
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