Proceedings of the Second Mediterranean Symposium on Marine

Elbu cove, Scandula nature 1/ 1190 Aerial photography, Miscellaneous Meinesz et al. (1988)
reserve, Western Corsica diving
Bay <strong>of</strong> Menton (French 1/1 150 Casi Posidonia oceanica, Jaubert et al. (1999)
Riviera, France) Caulerpa taxifolia
Port-Cros Island (French 1/1 100 Diving Posidonia oceanica Bellone and
Riviera, France) Meinesz (1995)
Urla-Iskele, Gulf <strong>of</strong> Izmir (Turkey) 1/1 000 Diving Posidonia oceanica Pergent and Pergent
(1985)
Port-Cros Island (French 1/488 Aerial photography, Miscellaneous Augier and Niéri (1988)
Riviera, France) snorkelling
Port-Cros Island (French 1/455 Diving Posidonia oceanica, Loquès et al. (1995)
Riviera, France) Pinna nobilis
Porquerolles Island (French Riviera) 1/320 Diving Miscellaneous Augier (1995)
THE MAPPED VEGETATION
Most maps <strong>of</strong> <strong>Mediterranean</strong> vegetation (Table 1) deal with Posidonia oceanica
(Magnoliophyta, Embryobionta, Viridobionta, Plantae) meadows (e.g. Cristiani, 1980;
Meinesz and Laurent, 1982; Augier et al., 1984; Ramos Esplá, 1984; Meinesz et al.,
1987; Augier and Niéri, 1988; Hoareau, 1988; Bonhomme et al., 2003), or
communities and types <strong>of</strong> bottom adjacent to P. oceanica meadows, such as
Cymodocea nodosa, Zostera noltii (Magnoliophyta, Plantae), sand and rocky substrates
without indication <strong>of</strong> <strong>the</strong> actual community (e.g. Calvo and Fradà Orestano, 1984;
Bianchi and Peirano, 1990; Fredj et al., 1990; Pergent et al., 1991; Cinelli et al., 1992;
Bianchi and Peirano, 1995; Piazzi et al., 1996; Jaubert et al., 1999; El Asmi-Djellouli
et al., 2000). With a few exceptions (e.g. Molinier and Picard, 1952; Augier and
Boudouresque, 1970; Bernard et al., 2003b; El Asmi-Djellouli et al., 2000; El Asmi et al.,
2003; Riveill et al., 2003), <strong>the</strong>se maps do not distinguish <strong>the</strong> landscape types (= facies)
that may occur within P. oceanica meadows, namely fringing reefs, barrier reefs, plain
meadow, hill meadow, tiger meadow, escalator meadow, micro-atolls, waving meadow
and sugar loaf meadow (Boudouresque et al., 1985a, 1986, 2000).
In contrast, few maps deal with o<strong>the</strong>r macrophytes, such as Rissoella verruculosa and
Lithophyllum byssoides (= L. lichenoides, Rhodobionta, Plantae) (Augier and
Boudouresque, 1976; Bianconi et al., 1987; Meinesz et al., 2001; Bernard et al., 2003b),
Cystoseira amentacea, C. brachycarpa and C. compressa (Fucophyceae, Chromobionta,
Stramenopiles) (Bellan-Santini, 1964; Augier and Boudouresque, 1967; Clarisse, 1984;
Augier, 1995; Meinesz et al., 1999, 2001; Soltan, 2001; Bernard et al., 2003b),
Caulerpa prolifera, C. taxifolia and C. racemosa (Chlorobionta, Viridobionta, Plantae)
(Jaubert et al., 1999; Belsher and Houlgatte, 2000; El Asmi-Djellouli et al., 2000; Pérez-
Blaya et al., 2000; Meinesz et al., 2003). Most <strong>of</strong> <strong>the</strong> above mentioned macrophytes are
intertidal or shallow species. As far as deep water macrophytes o<strong>the</strong>r than Magnoliophyta
are concerned, most maps concern Caulerpa taxifolia (Meinesz et al., 2003).
ACTES DU DEUXIEME SYMPOSIUM MEDITERRANEEN SUR LA VEGETATION MARINE (ATHENES, 12-13 DECEMBRE 2003)
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