Literatura científica selecionada sobre o tema "Mer – Pollution – Indien, Océan"
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Artigos de revistas sobre o assunto "Mer – Pollution – Indien, Océan"
Guillemin, Dominique. "Le redéploiement du dispositif naval français dans l’axe mer Rouge-océan Indien, 1973-1978". Revue Défense Nationale N° 869, n.º 4 (15 de abril de 2024): 41–46. http://dx.doi.org/10.3917/rdna.869.0041.
Texto completo da fonteGuillemin, Dominique. "L’engagement de la Marine nationale dans la protection des voies maritimes autour de la péninsule Arabique, 1980-1988". Revue Défense Nationale N° 869, n.º 4 (15 de abril de 2024): 71–76. http://dx.doi.org/10.3917/rdna.869.0071.
Texto completo da fonteThibord, Corinne. "Océan Indien nord 2017 : Mer d'Arabie : Ockhi rompt le silence". La Météorologie, n.º 102 (2018): 62. http://dx.doi.org/10.4267/2042/68218.
Texto completo da fonteSoler, E., G. de Marsily, C. Jusserand e J. J. Bourrand. "Essais de quantification du débit des résurgences sous-marines autour du Piton de la Fournaise (la Réunion, Océan Indien)". Revue des sciences de l'eau 7, n.º 1 (12 de abril de 2005): 69–79. http://dx.doi.org/10.7202/705190ar.
Texto completo da fonteNguegang, Fabrice, e Dickson Thomas Ndamsa. "L’aide atténue-t-elle l’effet de la vulnérabilité sur la croissance économique dans les petits États insulaires en développement ?" Mondes en développement 204, n.º 4 (4 de janeiro de 2024): 59–78. http://dx.doi.org/10.3917/med.204.0059.
Texto completo da fonteLOARER, G., F. DENIEL-LAFORGNE, M. LAGARD, Y. BRIAND, M. DURAND e J. C. NOËL. "Audit interne : du « rapport Guillaume » au Service de santé des armées." Médecine et Armées Vol. 41 No. 3, Volume 41, Numéro 3 (1 de junho de 2013): 257–64. http://dx.doi.org/10.17184/eac.6682.
Texto completo da fonteTseng, Chun-Mao, Shin-Jing Ang, Yi-Sheng Chen, Jen-Chieh Shiao, Carl H. Lamborg, Xiaoshuai He e John R. Reinfelder. "Bluefin tuna reveal global patterns of mercury pollution and bioavailability in the world's oceans". Proceedings of the National Academy of Sciences 118, n.º 38 (13 de setembro de 2021): e2111205118. http://dx.doi.org/10.1073/pnas.2111205118.
Texto completo da fonteBuraga, Manoj Babu, e Thibault Fournol. "Indo-French Cooperation and Engagement in Holistic Maritime Security: Possibilities and Implications in the Indian Ocean Region". Electronic Journal of Social and Strategic Studies 03, n.º 02 (2022): 241–57. http://dx.doi.org/10.47362/ejsss.2022.3209.
Texto completo da fontePOUPIN, Joseph, Gabriel BARATHIEU, Olivier KONIECZNY e Thierry MULOCHAU. "Crustacés (Decapoda, Stomatopoda) dans la zone mésophotique corallienne de Mayotte (Sud-Ouest Océan Indien)". Naturae, n.º 8 (11 de maio de 2022). http://dx.doi.org/10.5852/naturae2022a8.
Texto completo da fonteDhillon, Amrita, e Abhinav Kaushal. "The Indian Ocean - The Challenges beyond the Plastic Pollution". Journal de Ciencias Sociales, 30 de outubro de 2019. http://dx.doi.org/10.18682/jcs.vi13.1742.
Texto completo da fonteTeses / dissertações sobre o assunto "Mer – Pollution – Indien, Océan"
Thibault, Margot. "Composition, abundance, origin and distribution of plastic pollution accumulated in the Southern Indian Ocean gyre". Electronic Thesis or Diss., La Réunion, 2024. https://elgebar.univ-reunion.fr/login?url=http://thesesenligne.univ.run/24_01_M_THIBAULT.pdf.
Texto completo da fonteThe majority of mismanaged plastic waste enters the marine environment. Once in the oceans, these plastics drift until reaching subtropical convergence zones, where they accumulate to form “Garbage Patches”. Five zones have been discovered, including one in the southern Indian Ocean. This latter patch has undergone limited surface observation studies, and several predicted models indicate a different location, placing it either west or east of the basin. Supposedly the second most polluted “Garbage Patch” after the North Pacific, it is crucial to identify it for effective intervention accurately. Within this context, the doctoral project aimed to determine the composition, concentration, and origin of plastic debris accumulated in the Southwest Indian Ocean. Since the project's inception, 19 oceanographic campaigns have been conducted to visually monitor macro-debris (> 2.5 cm) and collect microplastics by manta trawl deployment (500 μm – 5 mm). Surveys of marine debris (macro-meso (5 mm – 2.5 cm) beached on uninhabited, remote islands have also been carried out to assess the concentration that does not remain on the surface. Furthermore, a long-term study of plastic pollution was initiated by identifying bio-indicator species in the region. All observations have been compared or complemented with plastic dispersion predictive models in the Indian Ocean. Of all the marine debris collected or observed, 95% consisted of plastics. Among plastics, the predominant subcategory was pre-existing fragmented hard plastics found on the ocean surface, beached on uninhabited islands, and ingested by bio-indicator species. The primary composition of these polymers was polyethylene and polypropylene, and it did not differ between the ocean surface and beaches. A concentration gradient of microplastics was also identified, ranging from 10^3 items.km^-2 at 40°E to 10^5 items.km^-2 at 65°E on latitudes 30/33°S. This gradient has been confirmed by plastic dispersion predicted models, although they tend to underestimate it. In addition, some of the macroplastics stranded on the islands originated mainly from Southeast Asian food packaging. Three species have been identified for long-term monitoring of plastic pollution in the region: loggerhead turtles (Caretta caretta), Barau's petrels (Pterodroma baraui), and tropical shearwaters (Puffinus baillonni). Future studies should include increasing sampling in the central and eastern parts of the Indian Ocean basin during different seasons, studying the impact of plastic debris on associated ecosystems, and developing tailored management solutions
Ouahdi, Rabia. "Paléocéanographie et paléoproductivité liées à la mousson indienne dans le bassin de Somalie, le golfe d'Aden et la mer Rouge durant les derniers 460 000 ans". Paris, Muséum national d'histoire naturelle, 1997. http://www.theses.fr/1997MNHN0020.
Texto completo da fonteBouchon, Claude. "Recherches sur les peuplements de scléractiniaires indo-pacifiques (mer Rouge, océan Indien et océan Pacifique)". Aix-Marseille 2, 1996. http://elgebar.univ-reunion.fr/login?url=http://thesesenligne.univ.run/H/Bouchon_1996.pdf.
Texto completo da fonteLenoir, Séverine. "Complexes neurotoxiques impliqués dans la contamination des produits de la mer de l'Océan Indien : caractérisation toxinique et contribution des toxines de Gambierdiscus toxicus et Ostreopsis mascarenensis". Paris, Muséum national d'histoire naturelle, 2006. http://www.theses.fr/2006MNHN0006.
Texto completo da fonteCiguatera fish poisoning is a food-borne illness endemic to tropical waters where numerous fish are susceptible to accumulate benthic dinoflagellates toxins in their flesh and viscera. In the first part of the work, a study of several regional strains of G. Toxicus associated with a study of several fish vectors of toxins, ciguatoxins have contributed to the improvement of the knowledge on the regional determinism of this ichtyosarcotoxism. The toxinic production by G. Toxicus strain has been confirmed in this area and 9 molecules of gambiertoxins have been detected. The analyse of toxinic profiles of 2 ciguateric species, Lutjanus bohar and Sphyraena barracuda have shown the existence of a variety of ciguatoxins in the south-western Indian Ocean, i) confiming the presence of the major I-CTXs, I-CTX-1 and I-CTX-2 in L. Bohar, ii) revealing the presence of new CTX congeners and iii) a different toxinic profile for S. Barracuda with the supposed presence of Fast Acting Toxins with MW < 900. Palytoxin is one of most potent marine natural product primary isolated from Zoanthids species and is the causative agent of clupeotoxism, severe human seafood poisoning. The multiplicity of severe or fatal human intoxications and emergence of new sources of palytoxin poisoning (fish, crabs, and algae) revealed the complexity of phenomenon of palytoxin poisoning. In the second part, we have characterised toxinic and toxicological profiles of benthic and endemic dinoflagellate from SW Indian Ocean, Ostreopsis mascarenensis. Two analogues of palytoxin have been isolated from this species, the mascarenotoxins. In the absence of sensitive analytical methods for this family of toxin and the revealing of a particular fragmentation of reference palytoxin molecule, a specific analytical method, based on the coupling of the µLC/MS/MS for the detection of palytoxin and palytoxinlike molecules has been developed. To improve, a on-line preconcentration step has been realised
Colonna, Michel. "Chronologie des variations du niveau marin au cours du dernier cycle climatique (0-140 000 ans) dans la partie sud occidentale de l'océan Indien". Aix-Marseille 1, 1994. http://elgebar.univ-reunion.fr/login?url=http://thesesenligne.univ.run/H/Colonna_1994.pdf.
Texto completo da fonteFortilus, Jeanne Marie Rose. "Modélisation bioéconomique des pêcheries thonières : mise en place d'aires marines protégées en haute mer de l'Océan indien". Nantes, 2012. http://www.theses.fr/2012NANT4023.
Texto completo da fonteEn introduction de la thèse, j'expose tout d'abord les enjeux biologiques et économiques de la gestion des pêcheries, puis la problématique des aires marines protégées (AMPs), notamment en haute mer. Dans une seconde partie, la description de la structure en réseau du système bioéconomique a été réalisée: des stocks jusqu'aux di#érents marchés. Je présente ensuite comment la prise en compte de cette structure m'a permis d'homogénéiser les données de captures issues de la base de données Sardara et celles de commerce issues de la base de données Fishstat. Je propose alors une analyse succincte des données homogénéisées. Dans la dernière partie de la thèse, je développe un modèle bioéconomique de l'ensemble de la filière. Ce modèle est basé sur la notion d'équilibre de réseau lequel est reconnu comme de grande taille puis qu'il implique environ 1000 liens biologiques ou économiques. Les algorithmes que j'utilise pour le calcul de l'équilibre du réseau tout en itérant le principe sur plusieurs années sont fournis en annexe. Enfin, je montre que ce travail est capable de développer et d'analyser différents scénarii, de la mise en place d'AMPs au large, entre autres, dont les résultats sont analysés avant de conclure
Boschat, Ghyslaine. "Interannual variability and predictability of the Indian Summer Monsoon : El Niño Southern Oscillation system". Paris 6, 2012. http://www.theses.fr/2012PA066808.
Texto completo da fonteEl Niño-Southern Oscillation (ENSO) and the Indian Summer Monsoon (ISM) are two of the most energetic and influential climatic phenomena on the planet. Although they originate in the tropical Indo-Pacific region, they can extend their reach well beyond, through atmospheric teleconnnections that can affect patterns of climate variability worldwide. This thesis takes part in a global effort to improve our understanding of the potential predictability of ISM rainfall and ENSO, by exploring the large-scale teleconnections associated with the whole monsoon-ENSO system on interannual timescales, as well as the role played by leading modes of coupled variability, particularly in tropical and extratropical parts of the Indo-Pacific region. Based on statistical diagnoses of observations before and after the 1976-77 climate shift, and numerical experiments with the SINTEX-F coupled model, our results highlight the importance of mid-latitudes in the predictability of the ISM-ENSO system. Indeed, significant and robust precursors are identified in the North Pacific and South Indian Oceans during the previous boreal winter/early spring, and have the potential to predict ISM and ENSO events with longer lead-times than their traditional tropical predictors. Besides, this predictability is stronger for the ‘late’ ISM rainfall during August-September. This second part of the ISM season is also characterized by the occurrence of ocean-atmospheric processes in the Indian Ocean, which compete with the effect of ENSO on the monsoon. The enhancement of these local feedbacks could explain the apparent weakening of the seasonal ENSO-monsoon relationship observed in recent decades
Brévière, Emilie. "Variabilités temporelles des flux de CO2 à l'interface air-mer dans l'océan Indien et Austral au sud de la Tasmanie". Paris 6, 2005. https://tel.archives-ouvertes.fr/tel-00080464.
Texto completo da fonteKojadinovic, Jessica. "Écologie trophique de grands prédateurs marins de l'océan Indien occidental tropical par l'étude conjointe de la bioaccumulation d'éléments traces et de rapports isotopiques". La Réunion, 2006. http://elgebar.univ-reunion.fr/login?url=http://thesesenligne.univ.run/06_17_Kojadinovic.pdf.
Texto completo da fonteThis study focuses on thé acquisition of knowledge of various aspects of thé trophic ecology of marine top predators from thé South-Western Indian Océan through thé analysis of trace élément levels and isotopic signatures. Three toxic éléments (cadmium, mercury and lead) and five essential éléments (copper, iron, manganèse, sélénium and zinc) were analyzed in six seabirds (Barau's Pétrel, Audubon's Shearwa'ter, White-tailed Tropicbird, Brown Noddy, Lesser Noddy and Sooty Tern) and five pelagic fishes (Swordfish, Yellowfin Tuna, Skipjack Tuna, Wahoo, Common Dolphinfish). A large range of trace élément levels were observed. Copper levels were high in thé liver of Yellowfin Tunas collected around Reunion Island, rénal iron and zinc levels were high, respectively, in Dolphinfish and Yellowfins sampled in thé Mozambique Channel, and mercury levels were highest in Barau's Pétrels liver and kidney. The large variations of trace élément levels were attributable to a combination of several factors influencing their bioaccumulation: thé organ or tissue considered, thé animais nutritional condition (for essential éléments), thé âge (determined through thé length for fish), thé geographical area, detoxification processes, thé species and thé diet
Duhamel, Guy. "Ichtyofaune des secteurs Indien occidental et Atlantique oriental de l'Océan Austral : biogéographie, cycles biologiques et dynamique des populations". Paris 6, 1987. http://www.theses.fr/1987PA066349.
Texto completo da fonteLivros sobre o assunto "Mer – Pollution – Indien, Océan"
Weinberg, Steven. Mer rouge et océan indien. Nathan Nature, 1999.
Encontre o texto completo da fonteMer Rouge - Océan Indien, tome 1 : Les Invertébrés. Ulmer, 1997.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Mer – Pollution – Indien, Océan"
Vallet, Éric. "Les messagers du grand large. Ambassades et ambassadeurs entre mer Rouge et océan Indien (VIIIe-XVe siècle)". In La figure de l'ambassadeur entre mondes éloignés, 111–41. Presses universitaires de Rennes, 2015. http://dx.doi.org/10.4000/books.pur.62186.
Texto completo da fonte