Academic literature on the topic 'Littoraux – Tunisie – Gabès, Golfe de (Tunisie)'
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Journal articles on the topic "Littoraux – Tunisie – Gabès, Golfe de (Tunisie)"
Mzoughi, Moncef, Fatma Kilani-Mazraoui, and Bernard Peybernès. "Mise en évidence micropaléontologique du Trias dans les forages du golfe de Gabès (Tunisie)." Geobios 27, no. 4 (January 1994): 413–20. http://dx.doi.org/10.1016/s0016-6995(09)90020-1.
Full textBen Mariem, Sadok. "Caractères Biométriques De Penaeus Kerathurus (Forskål, 1775) Du Golfe De Gabès, Tunisie (Decapoda, Penaeidae)." Crustaceana 68, no. 5 (1995): 583–96. http://dx.doi.org/10.1163/156854095x00836.
Full textBen Mariem, Sadok. "Caractères Biométriques De Penaeus Kerathurus (Forskål, 1775) Du Golfe De Gabès, Tunisie (Decapoda, Penaeidae)." Crustaceana 68, no. 8 (1995): 583–96. http://dx.doi.org/10.1163/156854095x01763.
Full textZribi, Soumaya, Fathia Zghal, and Saïda Tekaya. "Ovogenèse de Perinereis macropus Claparède 1870 (Annélide, Polychète) dans le golfe de Gabès (Tunisie)." Comptes Rendus Biologies 330, no. 3 (March 2007): 199–204. http://dx.doi.org/10.1016/j.crvi.2007.02.005.
Full textLachenal, Anne-Marie, and Anne-Marie Bodergat. "Les ostracodes et l'évolution paléogéographiqueau quaternaire récent du site d'Ashtart (golfe de gabès, tunisie orientale)." Geobios 21, no. 1 (January 1988): 73–80. http://dx.doi.org/10.1016/s0016-6995(88)80033-0.
Full textMoissette, Pierre. "Bryozoaires récoltés dans les unités messiniennes de sondages offshore dans le Golfe de Gabès (Tunisie)." Revue de Micropaléontologie 40, no. 2 (June 1997): 181–203. http://dx.doi.org/10.1016/s0035-1598(97)90554-7.
Full textSaint-Marc, Pierre. "Les foraminifères du Paléocène du sondage Ashtart Est-1 (Golfe de Gabès, Tunisie). Biostratigraphie et paléoenvironnements." Géologie Méditerranéenne 19, no. 1 (1992): 31–39. http://dx.doi.org/10.3406/geolm.1992.1467.
Full textBrun, Annik. "Comparaison entre pollen etmicroorganismes dans les sédiments marins du Quaternaire récent du Golfe de Gabès (Tunisie)." Geobios 25, no. 5 (January 1992): 585–94. http://dx.doi.org/10.1016/0016-6995(92)80099-y.
Full textBismuth, Hector, Bruno Cahuzac, Armelle Poignant, Herman Jozef Frans Hooyberghs, Rakia Saïd-Benzarti, and Abderrahmane Trigui. "Biostratigraphie d’après les foraminifères et paléoenvironnements des séries post-Éocène du sondage ASHTART 28, golfe de Gabès (Tunisie)." Revue de Micropaléontologie 52, no. 4 (October 2009): 289–315. http://dx.doi.org/10.1016/j.revmic.2008.06.002.
Full textBen Mariem, Sadok. "Taille De Première Maturité Et Période De Ponte De Penaeus Kerathurus Dans Le Golfe De Gabès, Tunisie (Decapoda, Penaeoidea)." Crustaceana 65, no. 1 (1993): 82–96. http://dx.doi.org/10.1163/156854093x00405.
Full textDissertations / Theses on the topic "Littoraux – Tunisie – Gabès, Golfe de (Tunisie)"
Neifar, Bassem. "Littoralisation et aménagement de l'espace : les modèles socio-spatiaux du golfe de Gabès (Tunisie)." Aix-Marseille 1, 2004. http://www.theses.fr/2004AIX10015.
Full textJabeur, Chedia. "La pêche dans le golfe de Gabès : interactions techniques entre les métiers et exploitation partagée du rouget rouge (Mullus surmuletus L., 1758)." Brest, 1999. http://www.theses.fr/1999BRES2037.
Full textGhannouchi, Rachid. "Diagnostic de la pollution des eaux du golfe de Gabès par le complexe chimique : proposition d'un traitement." Vandoeuvre-les-Nancy, INPL, 1989. http://www.theses.fr/1989NAN10060.
Full textHalouani, Ghassen. "Modélisations de la dynamique trophique d'un écosystème Méditerranéen exploité : le Golfe de Gabès (Tunisie)." Thesis, Brest, 2016. http://www.theses.fr/2016BRES0076/document.
Full textThe objective of this thesis is to improve the understanding of trophic structure and functioning of the gulf of Gabes in Tunisia. In order to reconcile environmental concerns and exploitation of marine resources, different ecosystem models have been developed to study the ecosystem dynamics and contribute to the discussion on the implementation of management plans. A spatial and temporal dynamic model “Ecospace” was built to evaluate the ecosystem consequences of different management measures based on scenarios derived from the current regulation. The results of simulations allowed to investigate the interactions between coastal and benthic trawl fishing and to identify areas where management measures are effective. An end-to-end model has been applied to the gulf of Gabes ecosystem to represent the dynamics of 11 high trophic level species, from climate forcing to fishing.This modelling approach consists in forcing the individual-based model "OSMOSE" by a biogeochemical model "ECO3M-Med". This model allowed to establish a coherent representation of the food web and simulate theoretical management scenarios of spatial fishing closure. The end-to-end model has also been used to study the sensitivity of a set of ecological indicators to fishing pressure. The simulation of different levels of fishing mortality showed that size indicators were the most relevant to monitor the impact of fishing in the gulf of Gabes. Finally, a comparative approach between several Mediterranean ecosystems was applied using the EcoTroph model to compare their trophic structures and explore the effects of different levels of fishing pressure through the analysis of their trophic spectra
Louati, Afifa. "Etude de la pollution par hydrocarbures des sédiments côtiers de la région de Sfax (Golfe de Gabès - Tunisie)." Paris 6, 2003. http://www.theses.fr/2003PA066580.
Full textDrira, Zaher. "Contribution à la compréhension du fonctionnement du golfe de Gabès : étude des caractéristiques dynamiques et structurales des communautés phyto-zooplanctoniques en relation avec la variabilité environnementale et les caractéristiques hydrographiques des zones côtières et océaniques." Besançon, 2009. http://www.theses.fr/2009BESA2012.
Full textIn the first chapter, we describe the gulf of Gabes and the initiation of the different experimental protocol to estimate the biological parameters such as phytoplankton and zooplankton. The protocol for physical and chemical measurements (temperature, water density, dissolved oxygen, suspended matter and nutrients compounds) was also detailed in this study. The relation-ship between physico-chemical and biological parameters was studied to characterize the trophic stature in the gulf of Gabes. In the second chapter, we have studied during a summer cruise (July 2005) the spatial distribution of phytoplankton and zooplankton communities. The spatial and temporal variations of these latter were also studied during four different sampling periods (July 2005, May-June 2006, September 2006 and March 2007) in relation with hydrographic conditions. The phytoplankton community distribution in the Gulf of Gabes occurs throughout the coastal-open sea gradient. The phytoplankton ecology in the Gulf of Gabes is complex due to the interaction of various factors (water movements, urban interferences, marine traffic. . . ). Therefore, it seems that urban interferences might be crucial in inducing phytoplankton growth along the coast. Nutrient loading, urban and industrial wastes were the essential comerstones of the aquatic eutrophication control at least the coastal water of the Gulf and therefore the degradation of the water quality and influencing the proliferation of phytoplankton (including toxic dinoflagellates). The Gulf of Gabes is characterized by an oligotrophic status and particularly by the existence of a summer stratification which impacts on phytoplankton development chiefly in the off-shore area. In the open sea, the coexistent of different water masses, namely the Mediterranean water and the MA W could be deterrnining factors of phytoplankton development. In addition, the coastal area and particularly the socio-economically important Djerba Island reveal high toxic species K. Selliformis, suggesting that excess reactive nitrogen is derived primarily from fertiliser applications, animal wastes and fuel combustion. For the zooplankton community, copepods in the gulf of Gabes were the most abundant throughout the sampling period, contributing from 69 to 83% of the total zooplankton. The copepod density was gradually more important with the increasing of water temperature values started in May-June 2006 until a therrnocline established in summer period (July 2005 and September 2006). Ln contrast, during March 2007 in which the water column was well-mixed, the copepod abundance was decreased. The copepod community was dominated by Cyclopoid representing by Oithona nana species. The zooplankton community was dominant in the stratified period, however the phytoplankton community was more developed in semi-mixed conditions (May-June 2006), suggesting a grazing of the phytoplankton by copepod
Ben, Rouina Soumaya. "Reconstitution des paléoenvironnements et des évènements extrêmes au cours du Quaternaire à l'oued El Akarit (Golfe de Gabès, Sud de la Tunisie)." Thesis, Perpignan, 2016. http://www.theses.fr/2016PERP0036/document.
Full textThree cores varying from 5 to 6 m of depth were taken throughout in the El Akarit River (Gulf of Gabes, south of Tunisia): two on the left river bank and the last at the mouth. The study of the sedimentology (particle size), mineral (clay minerals) and micropaleontology (quantitative and qualitative study of ostracods, foraminifera, charophytes and the calculation of the Shannon / equitability diversity index) deposits content allowed us to reconstruct the paleoenvironments evolution since the Pleistocene in this region. The mouth core (AK1), permitted us to date precisely the studied deposits and reconstruct the events chronology controlling the sedimentation. The Pleistocene phase (> 45 000 years BP) shows a continental estuarine environment evolving toward a vast open lagoon during the Pleistocene marine transgression (MIS5e). Then, the formation of a sand bar isolates the lagoon from the marine environment. The lower and middle Holocene deposits are absent in the mouth deposits. This could be interpreted by the emersion of the zone or by the erosion of deposits. The late Holocene (last 3000 years B.P) phase is characterized by the succession of three extreme events (floods and storms) episodes. At 1 and 2 km from the current shoreline (AK2 and AK3 cores respectively), the continental deposits show an intercalation of marine deposits and pebble levels suggestive of an extreme events occurrence. The existence of the 8000 yr BP deposits "Cardium pocket” at 9 m of the current sea, show a marine influence (planktonic foraminifera abundance). It is apparently an exceptional event that would cause extreme transport of planktonic foraminifera inside the El Akarit lagoon
Lachenal, Anne-Marie. "Ecologie des ostracodes du domaine méditerranéen : application au golfe de Gabès (Tunisie orientale) : les variations du niveau marin depuis 30 000 ans." Lyon 1, 1988. http://www.theses.fr/1988LYO10037.
Full textAissaoui, Cherifa. "Les mollusques du Golfe de Gabès (Méditerranée sud-orientale) : néo-endemisme ou variations écophénotypiques ?" Thesis, Paris, Muséum national d'histoire naturelle, 2016. http://www.theses.fr/2016MNHN0014/document.
Full textThe present Mediterranean marine fauna is the result of a history going back to the Messinian Salinity Crisis, with current biogeographical patterns mostly reflecting Quaternary to modern oceanographic conditions. The Gulf of Gabès, in southern Tunisia, is remarkable for its extreme ecological characteristics that distinguish it from "ambiant" Mediterranean conditions. Starting with the work of malacologists at the turn of the 19th-20th centuries, the molluscs of the Gulf of Gabès have been recognized as exhibiting morphological characters that set them apart from more typical forms that occur in the rest of the Mediterranean. At present, 6% of the species of the overall Gulf of Gabès mollusc fauna are treated as valid local endemics. Using an integrative taxonomy approach, combining molecular and morphological data, the objective of the study is to re-evaluate the status of these Gulf of Gabès local forms: are they valid, endemic species or do they represent ecophenotypic variation? Given the young geological age (6-8 ka) of the Gulf, where would local endemics have originated? The gastropod genera Jujubinus (Trochidae), Diodora (Fissurellidae), Tritia (Nassariidae) Ocinebrina (Muricidae), Muricopsis (Muricidae) and Aplus (Buccinidae) all have in common non-planktotrophic larval development. Our integrative approach confirms the validity of some of the endemic taxa, but also infirm that others are not valid species; molecular data also reveal unsuspected cryptic lineages both within and outside the Gulf. Regarding the question of the origin of the endemic species, various hypotheses have been proposed, one of them being that the Gulf of Gabès is a “speciation factory”. To formally test this hypothesis, more molecular data (coupled with fossil record data) are needed from other species groups and from other localities in the Mediterranean (specifically the Gulf of Syrte)
Zrelli, Radhouan El. "Modalités des transferts des éléments traces métalliques dans la partie centrale du Golfe de Gabès, Tunisie : une approche géochimique, minéralogique, sédimentologique et biologique." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30232.
Full textThe Gulf of Gabes, located in the oriental Mediterranean basin, has many particular properties making it very sensitive to anthropogenic contaminations. One of the distinguishing features of Gabes Gulf is low water flush-activity related mainly to its orientation and morphology marked by its largely-extended shallow plateau as well as to the limited influence of Atlantic water currents. For more than 50 years, than 200 million tons of phosphogypsum (by-product of phosphoric acid production) have been continuously dumped in this vulnerable environment leading to an accentuated degradation of the local benthic habitat represented mainly by the seagrass meadows of Posidonia oceanica. Within this context, knowing the characterization of phosphogypsum will certainly help to identify the different transfer modalities of the metals (composing the initial phosphate ore) within the marine environment. The pollutants load of phosphogypsum is mainly associated to the organic matter which aggregates during the transfer process via the evacuation channel leading to the formation of floating foam. These latter foams are passively transported by winds and local currents to distant areas and are found to be rich in organic matter with an amphipathic character that makes them act as a surfactant in contact with seawater. The skeleton of phosphogypsum foam was also found to be composed of synthetic gypsum as well as halite, sphalerite and francolite. The degradation of the phosphogypsum foam is accentuated by the degree of agitation/hydrodynamics of the marine environment through the dissolution of gypsum, leading to the release of its polluting components following the swell amplitude. It is worth noting that a limited metal fraction passes directly into solution. These latter metals are hence transported by the coastal currents. As for the phosphate grains, they are trained towards the south either by rolling-saltation or in suspension, and end by accumulating mainly in Chat Essalam beach due to the hydrodynamics effects exerted by the ports structures leading to modify the coastline. In addition, the toxic metals affect also the surface sediments as well as the benthic organisms and hence these latter can inform about the health status and the contamination history of the local marine environment. Within this context, the mats of Posidonia oceanica meadows can be used as an archiving tool of the contamination history in the Gulf of Gabes and allow hence retracing the evolution of metallic contamination of sea waters since the set-up of the coastal industrial complex in Gabes city (i.e. 1972). Finally, a first assessment of the financial losses linked to the ecosystemic services provided by Posidonia oceanica seagrass beds to coastal fisheries activity was conducted allowing to evaluate the cost of a part of the negative consequences linked to the industrial chronic pollution at the central part of Gabes Gulf
Conference papers on the topic "Littoraux – Tunisie – Gabès, Golfe de (Tunisie)"
BRAHIM, Mouldi, Abdelfattah ATOUI, Chérif SAMMARI, and Lotfi ALEYA. "Dynamique sédimentaire dans la zone littorale de la Skhira (golfe de Gabès, Tunisie)." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2014. http://dx.doi.org/10.5150/jngcgc.2014.028.
Full textATOUI, Abdelfattah, and Mouldi BRAHIM. "Distributions granulométriques des sédiments de surface de la frange littorale du Ras Taguermess au Ras Marmour (Golfe de Gabès, Tunisie)." In Conférence Méditerranéenne Côtière et Maritime - Coastal and Maritime Mediterranean Conference. Editions Paralia, 2009. http://dx.doi.org/10.5150/cmcm.2009.019.
Full textGZAM, Maher, Adel KHARROUBI, and Younes JEDOUI. "Impact de l’évolution récente du littoral sur les infrastructures portuaires : cas du golfe de Gabès, SE Tunisien." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2014. http://dx.doi.org/10.5150/jngcgc.2014.042.
Full textBARDI, Ikram, Mongi SOUAYED, and Saadi ABDELJAOUED. "Evolution des flèches littorales le long d'une côte sableuse microtidale : cas de la flèche sud d'Oued Sourrag (Golfe de Gabès, Tunisie)." In Conférence Méditerranéenne Côtière et Maritime - Coastal and Maritime Mediterranean Conference. Editions Paralia, 2009. http://dx.doi.org/10.5150/cmcm.2009.022.
Full textBARDI, Ikram, Mongi SOUAYED, Saadi ABDELJAOUAD, Wissem GHARBI, and Radhia SOUISSI. "Evolution morphodynamique de la côte sableuse microtidale dans la partie sud du Golfe de Gabès : Cas de l'estuaire de l'oued Ferd (Sud de la Tunisie)." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2010. http://dx.doi.org/10.5150/jngcgc.2010.020-b.
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