Academic literature on the topic 'Sebkhas – Tunisie'
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Journal articles on the topic "Sebkhas – Tunisie"
Morzadec-Kerfourn, Marie Thérèse. "L'évolution des Sebkhas du golf de Gabès (Tunisie) à la transition Pléistocène supérieur-Holocène." Quaternaire 13, no. 2 (2002): 111–23. http://dx.doi.org/10.3406/quate.2002.2185.
Full textZAIBI, CHAHIRA, BURKHARD SCHARF, FINN ANDREAS VIEHBERG, DIETMAR KEYSER, and FEKRI KAMOUN. "Preliminary report on the living non-marine Ostracoda (Crustacea) from Tunisia with the description of a new Psychrodromus species." Zootaxa 3626, no. 4 (March 15, 2013): 499–516. http://dx.doi.org/10.11646/zootaxa.3626.4.5.
Full textMarquer, L., S. Pomel, A. Abichou, E. Schulz, D. Kaniewski, and E. Van Campo. "Late Holocene high resolution palaeoclimatic reconstruction inferred from Sebkha Mhabeul, southeast Tunisia." Quaternary Research 70, no. 2 (September 2008): 240–50. http://dx.doi.org/10.1016/j.yqres.2008.06.002.
Full textEssefi, Elhoucine, Samir Mefteh, Mounir Medhioub, and Chokri Yaich. "Magnetic Study of the Heated and Unheated Sedimentary Fillings of Sebkha Mhabeul, Southeast Tunisia: A Geophysical Method for Paleoclimatic Investigation and Tephrochronological Dating." International Journal of Geophysics 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/908395.
Full textBrahim, Fawzi. "Évolution de la paléolagune-sebkha d’Ennjila et de ses environs (Sahel tunisien – Tunisie orientale)." Méditerranée, no. 125 (November 1, 2015): 51–62. http://dx.doi.org/10.4000/mediterranee.7928.
Full textChaggar, Meriem, and Mohsen Boubaker. "IDENTIFICATION OF NEW ICONIC OBJECTS FOR THE SUSTAINABLE DEVELOPMENT OF HERGLA (TUNISIA)." International Journal of Engineering Technologies and Management Research 5, no. 12 (March 23, 2020): 101–13. http://dx.doi.org/10.29121/ijetmr.v5.i12.2018.332.
Full textEssefi, Elhoucine, and Mohamed Ali Tagorti. "Geoeconomic interest of minerals assemblage of sebkha El Melah, southeastern Tunisia." Water Practice and Technology 16, no. 2 (January 20, 2021): 633–47. http://dx.doi.org/10.2166/wpt.2021.004.
Full textNajjari, Afef, Mostafa S. Elshahed, Ameur Cherif, and Noha H. Youssef. "Patterns and Determinants of Halophilic Archaea (Class Halobacteria) Diversity in Tunisian Endorheic Salt Lakes and Sebkhet Systems." Applied and Environmental Microbiology 81, no. 13 (April 24, 2015): 4432–41. http://dx.doi.org/10.1128/aem.01097-15.
Full textBoujelben, Abdelkarim, Vincent Lebreton, and Mohamed Raouf Karray. "Dynamique lacustre Holocène dans la sebkha al Kalbiyya(Tunisie centre orientale)." Quaternaire, no. 28/2 (May 29, 2017): 239–45. http://dx.doi.org/10.4000/quaternaire.8138.
Full textKbir-Ariguib, Najia, Dalila Ben Hassan Chehimi, and Lotfi Zayani. "Treatment of Tunisian salt lakes using solubility phase diagrams." Pure and Applied Chemistry 73, no. 5 (May 1, 2001): 761–70. http://dx.doi.org/10.1351/pac200173050761.
Full textDissertations / Theses on the topic "Sebkhas – Tunisie"
Boujelben, Abdelkarim. "L'hydrosystème des sebkhas al Kalbiyya et Halq al Minjil : dynamiques hydro-morphosédimentaires, paléoenvironnements et évolution des paysages pendant l’holocène." Caen, 2015. http://www.theses.fr/2015CAEN1034.
Full textThe thesis focuses on the downstream part of the catchment area of central Tunisia, from the continental sebkha al Kalbiyya to the coastal sebkha Halq al Minjil. The extent and variety of forms and training and development of ancient lake and lagoon deposits pose major problems concerning the evolution of the Holocene hydro-morphosedimentary sebkhas operating current and the immediate fluvial system. This work focus on their origins and their paleoenvironmental and morphogenic expressions by multidisciplinary and multiscale approach. The main results of the study are: the complexity of the spatiotemporal distributions and the interesting stratigraphy of very heterogeneous sediments of sebkhas (bottoms and borders), the succession of fourteen major Holocene phases of sedimentation and four continental systems and paraliques of hydrological functioning in each of al Kalbiyya and Halq al Minjil enclaves, the plurality of multi-phase hydroeolian models of the sebkhas borders, the extent of the deposits and the multiplicity of formational morphometric characters and a variety of molded, especially historical age in the fluvial system, the Holocene instability of morphogenesis and environments whose factors are essentially subservient to eustatic variations and pluvio-thermal variability of a Mediterranean semi-arid climate, the relative sea level rise of +71 cm to 4965±35 BP and +187 cm at 4365±50 BP, the first signs of agro-pastoral societies influence on the environment are recognized during the III millennium BC, the role of neotectonics (subsidence, warping, fracturing) is located
Etienne, Lucile. "Accentuation récente de la vulnérabilité liée au recul du trait de côte et à l'extension des sebkhas dans l'archipel de Kerkennah (Tunisie)." Paris 7, 2014. http://www.theses.fr/2014PA070024.
Full textCThe Kerkennah archipelago, located in the Gabes Gulf in Tunisia is composed of 10 little islands with a very low landforms a soft and fragile lithology. The lowest areas are occupied by sabkha, which are sterile and salty. The climate evolution, the relative sea level rise and the important evolution in the local production mode and lifestyle caused changes in the land use. In this context, we tried to understand the evolution of vulnerability linked to the coastline mobility and to the soil salinization since the 60's. Diachronic studies of photointerpretation and remote sensing have been performed to observe and quantify the evolution of land use, of the position of the coastline and of the extension of the sebkhas. From this studies and field data, it was found that the coasts are undergoing significant erosion (0. 12m/y) and that the sabkha are extending. Those physical phenomena associated to the evolutions of land use and to management methods sometimes unadapted, conduct to the increase of the vulnerability linked to the coastline mobility and the soit salinization. The results of a survey proposed to 139 people suggest that the local population perceives the coastline retreat and the soil salinization as worrying and dangerous phenomena. So the local context is quite consistent with real damaging phenomena and a population that seems to be aware of it. However the littoral management in the archipelago doesn't seem to take into account neither the vulnerability nor the perception and the knowledge of the local population. So, even if the integrated coastal zone management is recommended in Tunisia, it is not set up in Kerkennah
Abichou, Abdelhakim. "Les changements de paysages du bassin-versant de l'Oued Tataouine-Fessi (sud-est tunisien) : étude multiscalaire et microphologie des remplissages de sebkhas et étude des états de surface." Bordeaux 3, 2002. http://www.theses.fr/2002BOR30040.
Full textSebkhas and paleolacs within the catchment areas of wadi Tataouine-Fessi did register the landscape changings during the Holocène. Micromorphological investigations of the ferrous. Carapaxes in the sebkha Erg el Makhzen point a carapax-formation under water. Fluvio-lacustrine-palustrine sediments and carbonic stromatolites evidence the extended lakes the lower holocene. The Flandrien transgression was the time of stomatolite and oolithic reef formation in the sebkha lagoona of el Melah. However, in the Upper Holocene the sebkha filings of the sebkhas Melah and Mehabeul were of continental origine. The importance od soil cartography is underlined by multiscale mappig of the soils surfaces situation. The state of the soil surface register events too and work as a short time memory
Hedi, Abdeljabbar. "Biodiversité des bactéries halophiles de Chotts et Sebkhas tunisiens et applications biotechnologiques." Aix-Marseille 1, 2009. http://theses.univ-amu.fr.lama.univ-amu.fr/2009AIX11034.pdf.
Full textHypersaline environments are found in a wide variety of aquatic and terrestrial ecosystems. Bacterial aerobic communities were recovered from sediments of the shallow salt lake of the hypersalins environments and their distribution with respect to salinity gradients was established. The north and south of Tunisia consists of numerous ecosystems including extreme environments in which the microbial diversity has not been studied. We isolated the bacterial and archaeal communities in the shallow salt lake (El-Djerid and Sebkhas) and their distribution with respect to different physico-chemical characteristics like salinity gradients was established. The characterization was performed by using phenotypic characters including morphological, physiological, biochemical, nutritional test and phylogenetic approaches. Due to the economic importance of salt obtained from this lake, a microbial survey has been conducted. Physico-chemical analysis showed that the salts contain sufficient ions and hardness to support extremely halophilic bacteria. The salt collected from the lake contained a microbial community well adapted to the specific physical and nutritional conditions of each site. The results of analyses were quite similar and demonstrated the phenotypic heterogeneity of the species in question. Extreme bacteria were recovered from sampling sites, which contained up to 250 g/l NaCl. Results of this study were discussed with regard to the ecological significance of these microorganisms in the breakdown of organic matter in hypersalins environments together with the potential use of them in the industry. The purpose of this research was to examine their phenotypic features and their physiological and biochemical characteristics with the aim to screen for metabolites of industrial interest produced by the novel halophilic isolates. A new halophilic anaerobe was isolated from the hypersaline surface sediments of El-Djerid Chott, Tunisia. The isolate, designated as strain 6SANG, grew at NaCl concentrations ranging from 14 to 30%. Based on phenotypic and phylogenetic characteristics, we propose that this bacterium be classified as a novel species of a novel genus, Halanaerobaculum
Khedhiri, Slim. "L' écosystème de la sebkha El Kelbia (Tunisie centre orientale) : Dynamique sédimentaire et évolution géochimique." Université Louis Pasteur (Strasbourg) (1971-2008), 2006. http://www.theses.fr/2006STR1GE07.
Full textThe sebkha El Kelbia is a lagoon in the middle part of Tunisia, considered as a natural reserve by the Tunisian State since 1993. It has a great national and international importance by it’s biodiversity. It is a remarkable site for various species of birds. This ecosystem is natural and slightly influenced by anthropogenic activities, but it is likely to be threatened because of proximity of a recently industrialized area. Few scientific studies were interested in this ecosystem, this is why this work was carried out in order to study granulometry, mineralogy and geochemistry of sediments and water but also to make the inventory of fixtures and to evaluate the impact of recent installations. In this work enrichment factors were calculated the sediments of the sebkha in order to evaluate the contamination gradient. In addition, a method of sequential extraction make it possible to specify, compared to mineralogy, the trapping sites of available heavy metals. Results of heavy metal analyses are presented for both sediment and water. An increase of copper concentration was detected in the north part of the sebkha, concerning both the surface and dipper sediments. Copper would be a possible source of contamination if the physicochemical conditions (pH and Eh) were changed; copper is associated to carbonates it is easily relarguable at acid pH. Nickel and chromium enrichment in both surface and depth sediment of the North-Eastern part of the sebkha does not present a potential risk of contamination according to the residual fraction which is resistant phase (clay)According to Tunisian and international standards', we estimate that water of the sebkha does not present anomalic concentrations in nutrient, major elements and heavy metals, but rather of the natural contents which would be related to the geologic field
Mulazzani, Simone. "L' habitat épipaléolithique de SHM -1 et les sites environnants au bord de la sebkha-lagune de Halk el Menjel (Hergla, Tunisie) entre le VIIe et le VIe millénaire cal BC." Paris 1, 2010. http://www.theses.fr/2010PA010628.
Full textBen, Haj Farhat Karim. "Fragilisation des zones humides du Sahel tunisien : de la centuriation aux nouvelles formes paysagères, Sebkhat El Kelbia-Sousse." Thesis, Nice, 2013. http://www.theses.fr/2013NICE2011.
Full textConservation of sensitive areas is now seen as an urgent measure to implement national strategies and intergovernmental organizations. This paper seeks to undertake a phased approach to contemplate a wetland typical “Sebkhat El Kelbia”. Several lines of research are adopted. The first is devoted to the delineation of the major determinants responsible for building natural landscape of this area. The second relates readings landscape to reveal elements of reversibility and irreversibility landscapes. While the third line of research highlights the existence of genuine remains of centuriation crowning the sabkha. Analytical research tools based on several transdisciplinary, including cartographic interpretation, zoning boundaries and natural landscape, restitution archaeological landscape demonstrates the importance of the study area in terms ecological heritage and its true potential landscape. Characterization of landscape entities highlights the presence in the Sahel region of Tunisia, facies rather like "water tank" and other facies type "plot irreversible change." The first can achieve up to 80% of the land in a wet year and only one occupation narrowed to 10% in a dry year. Note that the agrarian facies in the study area is typical as evidenced by its traceability from centuriation which uses proprietary suggest knowledge in terms of faires ancient masters of the soil, water and vegetation. The analysis of this territory wrongly considered "marginal" shows that different interventions (policy, forest and land) interact and act in a way direct forms of landscapes and are a must for any planning and / or a territorial reorganization. Geomediation landscape settings are also available, which are based on the densification of the halophyte vegetation type and feed applications in connection with farming in the region. The implication of the differential management of hybrid "arridiculture - agri-leisure of a wetland" is another resource for the recovery of threatened areas
Book chapters on the topic "Sebkhas – Tunisie"
Gargouri, Zeineb, and Kamel Zouari. "Paleoenvironment Evolution of a Paralic System, El Guettiate and Dreïaa Sebkhas (Gulf of Gabès, Tunisia)." In Patterns and Mechanisms of Climate, Paleoclimate and Paleoenvironmental Changes from Low-Latitude Regions, 85–88. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-01599-2_20.
Full textKhlifa, Khaoula Ben, Chahira Zaïbi, Jérome Bonnin, and Fekri Kamoun. "Sedimentary Dynamic and Sea Level Variation Along Hachichina Coast (Sebkha Ras Younga, Gulf of Gabes, Tunisia) During Holocene: Response of Ostracods and Foraminifera Assemblages." In Patterns and Mechanisms of Climate, Paleoclimate and Paleoenvironmental Changes from Low-Latitude Regions, 145–47. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-01599-2_34.
Full textConference papers on the topic "Sebkhas – Tunisie"
TAGORTI, Mohamed Ali, Rihab GUELLALA, and Elhoucine ESSEFI. "Etude hydrogéologique dans la sebkha d’Oum El Khialate (Sud-Est de la Tunisie)." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2016. http://dx.doi.org/10.5150/jngcgc.2016.034.
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