Proceedings of the Second Mediterranean Symposium on Marine

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Dictyota linearis (C. Agardh) Greville SC C Hydroclathrus clathratus (Bory ex C. Agardh) M. Howe C C Liebmannia leveillei J. Agardh Abt ! HbM Nereia filiformis (J. Agardh) Zanardini At ! Padina pavonica (Linnaeus) J.V. Lamouroux P ! GDOR (sub P. pavonia) T1 (sub P. pavonia) T2 (sub P. pavonia) T3 (sub P. pavonia) R B C Petalonia fascia (O. F. Müller) Kuntze C GE Ralfsia verrucosa (Areschoug) Areschoug SC ! T1 Sargassum hornschuchii C. Agardh M GE Sargassum vulgare C. Agardh P ! HbM GDOR (sub S. vulgare v. megalophyllum) T1 (sub S. vulgare v. megalophyllum) Scytosiphon lomentaria (Lyngbye) Link C ! HbM GDOR (sub S. lomentarius) Sphacelaria rigidula Kützing C ! Sporochnus pedunculatus Hudson (C. Agardh) Ap ! Stypocaulon scoparium (Linnaeus) Kützing SC ! GE (sub Halopteris scoparia) GDOR (sub H. scoparia) T2 (sub H. scoparia) R B C (sub H. scoparia) Taonia atomaria (Woodward) J. Agardh IA ! HbM GDOR C Chlorophyta Bryopsis cupressina J.V. Lamouroux M ! Bryopsis muscosa J.V. Lamouroux P ! HbM Bryopsis plumosa (Hudson) C. Agardh SC C Caulerpa prolifera (Forsskål) J.V. Lamouroux P ! GDOR T1 T3 Caulerpa racemosa (Forsskål) J. Agardh P ! HbM Chaetomorpha mediterranea (Kützing) Kützing v. crispa (Feldmann) Gallardo et al. Ab GDOR (sub C. capillaris v. crispa) T1 (sub C. capillaris) T3 (sub C. capillaris) Cladophora coelotrix Kützing IA ! Cladophora echinus (Biasoletto) Kützing IA ! R Cladophora lehmanniana (Lindenberg) Kützing IA ! Cladophora pellucida (Hudson) Kützing IA GE Cladophora ruchingeri (C. Agardh) Kützing Ab GDOR T1 T3 Cladophora socialis Kützing IA ! Codium bursa (Linnaeus) C. Agardh Abt ! HbM GDOR T1 T2 R B C Codium decorticatum (Woodward) M. Howe IA ! GDOR Codium effusum (Rafinesque) Delle Chiaje IP ! B (sub C. adhaerens) Codium fragile (Suringar) Hariot ssp. tomentosoides (Goor) P.C. Silva A ! Codium vermilara (Olivi) Delle Chiaje At ! GE GDOR R (sub C. dichotomum) Dasycladus vermicularis (Scopoli) Krasser At ! B Derbesia tenuissima (Moris et De Notaris) P. et H. Crouan SC ! Flabellia petiolata (Turra) Nizamuddin At ! HbM GDOR (sub Udotea petiolata) T1 (sub U. petiolata) T2 (sub U. petiolata) R (sub U. petiolata) B C (sub U. petiolata) Halimeda tuna (J. Ellis et Solander) J. V. Lamouroux P ! HbM GDOR T1 T2 R B C Pedobesia simplex (Meneghini ex Kützing) M. J. Wynne et Leliaert CB GE (sub Derbesia ACTES DU DEUXIEME SYMPOSIUM MEDITERRANEEN SUR LA VEGETATION MARINE (ATHENES, 12-13 DECEMBRE 2003) 111
PROCEEDINGS OF THE SECOND MEDITERRANEAN SYMPOSIUM ON MARINE VEGETATION (ATHENS, 12-13 DECEMBER 2003) 112 lamourouxii) GDOR (sub Bryopsis balbisiana) Penicillus capitatus Lamarck At B Pseudochlorodesmis furcellata (Zanardini) Børgesen v. furcellata Abt ! Rhizoclonium tortuosum (Dillwyn) Kützing SC GDOR Ulva intestinalis Linnaeus C ! HbM R Ulva laetevirens Areschoug C ! HbM GE (sub U. lactuca) T3 (sub U. lactuca) Ulva linza Linnaeus C ! Valonia macrophysa Kützing P C Valonia utricolaris (Roth) C. Agardh P ! HbM T Fucus vesiculosus Linnaeus and F. spiralis Linnaeus, found in 1996 in Liguria (Albisola M., SV), are not included: <strong>the</strong>y were probably discarded by human activity (recreational fishing). It’s worth stressing that exactly in <strong>the</strong> same locality, F. vesiculosus was found, apparently settled, by Piccone at <strong>the</strong> end <strong>of</strong> 19th century (1889; 1891). The chorological spectrum <strong>of</strong> <strong>the</strong> actual list <strong>of</strong> Ligurian macrophytobenthos is showed in Fig. 2A. The cosmopolitan and sub-cosmopolitan elements dominate (C+SC=30,3%), with entities characterized by wide distribution (A+AP+IA+IP=23,0%). Elements with warm affinities are more important (P+Abt+APt+At+IAt=19,3%) than <strong>the</strong> ones with cold affinities (Ab+APtf+IAtf+CB+CBA=16,0%). The <strong>Mediterranean</strong> component (M) accounts for <strong>the</strong> 11,2%. Fig. 2: A) Actual Chorological spectrum. B) Historical Chorological spectrum. Data in literature before 1950 enumerate 351 taxa. Of <strong>the</strong>se 208 have not been recorded in <strong>the</strong> last 53 years, but 77 <strong>of</strong> <strong>the</strong>m are dubious. The chorological spectrum, excluding dubious taxa, is showed in Figure 2B: elements with very large distribution dominate (28,3% and 22,4%); elements with warm affinities are lower than <strong>the</strong> ones with cold affinities (respectively 14,2% and 21,7%). The <strong>Mediterranean</strong> component is 13,4%. In Tab. 1 <strong>the</strong> trend <strong>of</strong> each divisio is showed.
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United Nations Environment Programm
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PROCEEDINGS OF THE SECOND MEDITERRA
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CONTENTS/SOMMAIRE Programme .......
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ORFANIDIS S., TSIAGGA E. & STAMATIS
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Friday 12 December 2003 09:00 Openi
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Discussion Discussion - Littoral be
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MAPPING MARINE VEGETATION DISTRIBUT
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1984; Boudouresque et al., 1985b; M
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Elbu cove, Scandula nature 1/ 1190
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features of P. oce
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Belsher T., Houlgatte E. (2000) - E
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Gloux B. (1984) - Méthodes acousti
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Pasqualini, V., Pergent-Martini, C.
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Here, we will firstly delineate wha
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Fig. 2. The tree of</strong
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In the same way, "
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While the
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COASTAL DEVELOPMENT The destruction
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invaders, overfishing and climate c
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At the end <strong
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to be built up, this disappearance
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Boudouresque C.F., Ribera M.A. (199
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Marchand M. (1981) - Amoco Cadiz. B
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FLORISTIC SIMILARITY AND DISCONTINU
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871 accepted taxa (Table 1). Howeve
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Fig. 2. Hystogram showing t
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Page 70 and 71: REFERENCES Agardh C. A. (1822-1823)
Page 72 and 73: De Toni G. B. (1905) - Sylloge Alga
Page 74 and 75: Langenbach G. (1873) - Die Meeresal
Page 76: SESSION «BIOLOGY, ECOLOGY AND INVE
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Page 120: SESSION ‘MAPPING MARINE VEGETATIO
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CARACTERISATION DE L’ETAT DES HER
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RESULTATS A- PHENOLOGIE Les princip
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Les futures recherches scientifique
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Williamson and Fitter, 1996; Piazzi
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Fig. 2: Spatial patterns of
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vulnerable to invaders. In reality
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BIOMONITORING OF ENVIRONMENTAL METL
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Table 1: Mercury concentration (in
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fraction of <stron
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EFFETS DE L’INCORPORATION DE L’
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Les aliments ont été distribués
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REFERENCES Association of</
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Jonge et al., 2002). Nutrient conce
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to total dissolved inorganic nitrog
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offs (group B; Fig
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PHYTOBENTHOS AS QUALITY ELEMENT FOR
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Padina pavonica and Halopteris scop
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Gelidiella ramellosa II - - - - 5.7
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CARACTERISATION DES HERBIERS A POSI
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une analyse lépidochronologique (P
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La limite de l’herbier à Posidon
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LITTORAL BENTHIC COMMUNITIES AS IND
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Several environmental factors were
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This category includes stations sit
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RAPID ASSESSMENT OF THE ECOLOGICAL
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For a thorough presentation <strong
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The Ecological Evaluation o
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APPLICATION OF ECOLOGICAL INDICES O
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The average taxonomic distinctness
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On Fig. 4 each of
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OVERVIEW OF THE ACTIVITIES AIMED AT
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at the same time f
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POSTERS ACTES DU DEUXIEME SYMPOSIUM
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Mr Baris AKÇALI D.E.U. Institute <
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Mr Francesco Saverio CIVILI MED POL
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Mr Jamel KSOURI Laboratoire de Biod
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Mr Frédéric PLATINI Accord RAMOGE
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Ms Eleni TRYFON Natural Environment
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Proceedings of the Second Mediterranean Symposium on Marine

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