Proceedings of the Second Mediterranean Symposium on Marine

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MARINE VEGETATION ASSEMBLAGES AND BENTHIC BIONOMY IN THE ZEMBRA-ZEMBRETTA NATIONAL PARK (TUNISIA). Just T. BAYLE 1 , Karim BEN MUSTAPHA 2 , Adel BOUAJINA, 3 Saba GUELLOUZ 4 , Atef LIMAN 3 , Chedly RAIS 3 , Alfonso A. RAMOS-ESPLA 1 , Pablo SANCHEZ-JEREZ 1 & Carlos VALLE 1 (1) : Unidad de Biología Marina, University <strong>of</strong> Alicante, Spain. (2) : Institut National de Sciences et Technologies de la Mer, Tunisia. (3) : Regional Activity Center for Special Protected Areas (RAC/SPA), Tunisia. (4) : Agence pour la Protection et Aménagement du Littoral (APAL), Tunisia. ABSTRACT During two cruises (2002 and 2003) <strong>the</strong> marine vegetation assemblages around <strong>the</strong> Zembra-Zembretta National Park have been observed and mapped, 0-75m depth ranges by direct sampling (SCUBA and snorkelling) and remote sampling (dredge) on hard and s<strong>of</strong>t bottoms, as part <strong>of</strong> <strong>the</strong> RAC/SPA-EU MedMPA project. It is analysed <strong>the</strong> dominant vegetation assemblages: i) littoral rocks Spongites-Dendropoma formations; ii) infralittoral rocky bottoms with Cystoseira spp. and Dictyopteris polypodioides forests, ; iii) upper circalittoral rocks with deeper Cystoseira spp.; iv) seagrass meadows in rocky bottoms (Posidonia) and s<strong>of</strong>t bottoms (Posidonia and Cymodocea); v) coastal detritic bottoms with Corallinaceae (Lithothamnion, Phymatolithon). ACTES DU DEUXIEME SYMPOSIUM MEDITERRANEEN SUR LA VEGETATION MARINE (ATHENES, 12-13 DECEMBRE 2003) 231
PROCEEDINGS OF THE SECOND MEDITERRANEAN SYMPOSIUM ON MARINE VEGETATION (ATHENS, 12-13 DECEMBER 2003) 232 LES VEGETAUX MARINS, DES RESSOURCES EXPLOITABLES EN NUTRITION ANIMALE. APPLICATION A LA FORMULATION D’ALIMENTS POUR LES MONOGASTRIQUES Jamel KSOURI 1 , Fethi MENSI 1 , Jamel REKHIS 2 , Adel ABASSI 2 et Rachid AOUIJENE 2 1 Institut National des Sciences et Technologies de la Mer (INSTM) 2 Ecole Nationale de Médecine Vétérinaire (ENMV) ABSTRACT L’objectif de ce travail est la recherche d’une substitution partielle, au niveau de aliments utilisés dans les élevages avicoles et cunicoles des intrants importés (tourteau de soja, maïs et luzerne) par une matière première marine locale. Cinq espèces de végétaux marins ont été sélectionnées, sur la base de leur abondance à certaines périodes de l’année soit en épave soit dans le milieu dans le milieu aquatique (lacs et mer), pour une éventuelle utilisation en nutrition animale. Il s’agit des trois phanérogames Posidonia oceanica, Ruppia maritima et Cymodocea nodosa ainsi que des deux algues vertes Chaetomorpha linum et Ulva lactevirens En se référant d’une part à la composition chimique de ces végétaux et d’autre part aux besoins nutritionnels des deux mono gastriques d’élevage, le poulet de chair et le lapin, Ulva et Ruppia ont été retenues en vue de leur incorporation dans la ration des deux animaux en question. Ces deux espèces végétales se caractérisent respectivement par les compositions chimiques suivantes : protéines brutes 14 % - 13,48%, cellulose brute 6,19% - 16,41, matières grasses 2,47% - 2,81% et matières minérales 56 % - 43,37%. Pour le poulet de chair et en plus de l’aliment témoin (A), trois aliments (B : 20 % Ulva, C : 10 % Ruppia et D : 10 % Ulva + 5 % Ruppia) ont été formulés à partir des ingrédients suivants : maïs, tourteau de soja, CMV, huile végétale, Ulva et Ruppia. La composition chimique et la valeur nutritive des quatre aliments sont respectivement les suivantes (phase de finition) : protéines 19,5 % - 18,3 % - 17,6 % - 24,4 % / cellulose brute 4 % - 3 % - 4 % - 5 % / matières minérales 5,6 % - 11,8 % - 6 % - 12 % / énergie métabolisable (kcal / kg MS) 3413,17 – 3330,06 – 3346,45 – 3093,41.
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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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4 (1.6%) and 2 (1.1%) at Spain; 5 (
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characteristics of
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Fig. 9. Hystogram showing t
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Fig. 11. Dendrogram depicting mutua
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REFERENCES Agardh C. A. (1822-1823)
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De Toni G. B. (1905) - Sylloge Alga
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Langenbach G. (1873) - Die Meeresal
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SESSION «BIOLOGY, ECOLOGY AND INVE
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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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Page 186 and 187: REFERENCES Association of</
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Page 208 and 209: Several environmental factors were
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Page 212 and 213: RAPID ASSESSMENT OF THE ECOLOGICAL
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Page 216 and 217: The Ecological Evaluation o
Page 218 and 219: APPLICATION OF ECOLOGICAL INDICES O
Page 220 and 221: The average taxonomic distinctness
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Page 224 and 225: OVERVIEW OF THE ACTIVITIES AIMED AT
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Page 228: POSTERS ACTES DU DEUXIEME SYMPOSIUM
Page 231: PROCEEDINGS OF THE SECOND MEDITERRA
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Page 248 and 249: Mr Baris AKÇALI D.E.U. Institute <
Page 250 and 251: Mr Francesco Saverio CIVILI MED POL
Page 252 and 253: Mr Jamel KSOURI Laboratoire de Biod
Page 254 and 255: Mr Frédéric PLATINI Accord RAMOGE
Page 256: Ms Eleni TRYFON Natural Environment
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