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Academic literature on the topic 'Écologie des lagunes – Côte d'Ivoire'
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Journal articles on the topic "Écologie des lagunes – Côte d'Ivoire"
Thomas, Annick Le, Laurent Aké Assi, and Laurent Ake Assi. "Flore de la Côte-d'Ivoire: Catalogue systématique, biogéographie et écologie." Taxon 51, no. 4 (November 2002): 831. http://dx.doi.org/10.2307/1555056.
Full textAssi, Laurent Ake. "Les palmiers (Arecaceae): taxonomie, chorologie, écologie et les diverses utilisations traditionelles en Côte d'Ivoire." Giornale botanico italiano 129, no. 1 (January 1995): 481. http://dx.doi.org/10.1080/11263509509436165.
Full textKouamé, Norbert N’Dri, François Kouamé N’Guessan, Pierre Walet N’Guessan, Alain Jacques Acka Kotaix, and Yao Tano. "Bionomics and Importance of an Emerging Pest Pseudotheraptus devastans (Distant) (Heteroptera: Coreidae) in the Cocoa Orchards of Côte d'Ivoire." Journal of Experimental Agriculture International, July 31, 2021, 114–21. http://dx.doi.org/10.9734/jeai/2021/v43i530695.
Full textDissertations / Theses on the topic "Écologie des lagunes – Côte d'Ivoire"
Legendre, Marc. "Potentialités aquacoles des Cichlidae (Sarotherodon melanotheron, Tilapia guineensis) et Claridae (Heterobranchus longifilis) autochtones des lagunes ivoiriennes." Montpellier 2, 1991. http://www.theses.fr/1991MON20295.
Full textN'Goran, Ya Nestor. "Biologie, écologie et pêche de l'ethmalose : Ethmalosa Fimbriata (Bodwich, 1825) en lagune Aby (Côte d'ivoire)." Brest, 1995. http://www.theses.fr/1995BRES2001.
Full textClaon, Jean Stéphane. "Exposition au mercure, à l'arsenic et au sélénium de l'écosystème et des populations riveraines de la lagune Aby (Côte d'Ivoire - Ghana) : recherche de bioindicateurs." Montpellier 1, 2004. http://www.theses.fr/2004MON13505.
Full textParadis, Guilhan. "Etude comparative des végétations littorales du Bénin et de la Côte d'Ivoire." Bordeaux 3, 1988. http://www.theses.fr/1988BOR30204.
Full textChevallier, Pierre. "Complexité hydrologique du petit bassin versant : exemple en savane humide, Booro-Borotou (Côte-d'Ivoire)." Montpellier 2, 1988. http://www.theses.fr/1988MON20221.
Full textZaidi, Zahia. "Recherches sur les modalités de l'interdépendance nutritionnelle entre vers de terre et microflore dans la savane guinéenne de Lamto (Côte d'Ivoire) : esquisse d'un système interactif." Paris 11, 1985. http://www.theses.fr/1985PA112229.
Full textThe geophagous species predominate within the Lumbricidae communities in the tropical savanna of Lamto (Ivory Coast). Their activity is momentous : 1000 T of earth pass through their digestive duct/ha/year, which is equivalent to a layer of 8. 6 cm. 30 T of castings are rejected at the surface, which shapes out a void amidst the sail equivalent to 35 m³/ha. In order to delineate the role of Millsonia anomala (Megascolecidae, Oligochaeta) in the soil compartment, samples brought to pF 2. 5 (14 %) were enriched in composts (1 %) bath aerobes and anaerobes of leaves and roots of Loudetia simplex. In vitro breeding showed the effect on the worms feeding of those different organic substrates. Whereas roots are a poor nutriment, leaves allow a thriwing growth, with notable differences according to the degree of compost maturation. Intake, indeed, increases when the nutritive quality of the latter decreases. Consequently, one supposes a conclusive role of the water-soluble fraction. To verify this hypothesis, sail was enriched, in another breeding series, with various doses of water-soluble extracts of Loudetia leaves. This assay confirms what had been laid out. The castings produced proved to be richer in water-soluble substances than the ingested sail, when this one is but little endowed. At the same time, their respiratory activity was more intense. The reverse is true when hydrosolubles are plentiful in the sail taken in. One construes that the worms draw their subsistence from the sail organic matter water-soluble fraction, which they work up jointly to the microbes. However, one observes all the stages between slackening and activation of the microflora, according to the conditions of the nutritional competition. Relations between wormsand microbes appear to be complex. Worms act upon the microflora, mainly by way of the mucus secreted, when the latter acts upon the worm by means of the water-soluble compounds born of its metabolic activity. Microbial activity, measured at the time of the moving on of the sail within the worms digestive duct, asserts the results obtained by means of the breedings. It reflects moreover the intervention of the sorptive capacity of the ingested mineral colloid, bath towards substrates and enzymes as well as microorganisms. Summing up, this investigation brings forth clues towards a better apprehension of the worms/microbes mutual system and yields ways and means to a modelisation of worm, organic matter and microbes interactions. These interdependency relations bear partly upon the tropical savanas fertility. Their study, therefore, delivers a key to a rational exploitation of that ecosystem's agricultural resources
N'Dri, Aya Brigitte. "Interaction termite-feu et dynamique de la végétation en savane (Lamto, Côte d'Ivoire)." Paris 6, 2011. http://www.theses.fr/2011PA066368.
Full textChérel, Guillaume. "Détection et abstraction de l'émergence dans des simulations de systèmes complexes : application à la savane de Côte d'Ivoire." Paris 6, 2013. http://www.theses.fr/2013PA066065.
Full textThe notion of emergence is at the core of complex systems science and concern philosophers and scientists. It is about those macroscopic properties, states, phenomena that we cannot explain, deduce or predict from the complete knowledge of their microscopic constituents. The context of this work is the conception of tools for the analysis of complex systems simulation. A literature review presents a panel of the definitions and conceptual problems of emergence. In particular, emergence is seen as the construction of a high level description of a complex system. The chapters of this thesis punctuate the path of constructing such a language. They talk about detecting emergence, visualising the traces of a complex system simulation, and studying the high level causal interactions. This last aspect was realised with a simulation study of a savanna model calibrated with data collected in the Lamto savanna in Côte d'Ivoire
Koffi, Kouamé Fulgence. "Impact du feu sur la démographie des Graminées de savane (Lamto, Côte d’Ivoire)." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS161.
Full textThe thesis aims to fill a lake of knowledge on the demography of perennial grasses in a humid savanna (Lamto). The impact of 4 fire treatments (early fire, mid-season fire, late fire and no fire) on the demography of the dominant perennial grasses was studied between 2015 and 2018 on sub-plots of 5 × 5 m and 5 × 10 m. Matrix models with 5 classes of circumference were used. Different responses of the species were observed. The circumference of the tussocks, varies between 3 cm and 156 cm. Fragmentation, retrogression, and fecundity increase with circumference as mortality and tussock growth decrease. Late fire causes more death, retrogression and fragmentation while mid-season fire promotes more growth and less retrogression. All species showed a growth rate λ <1 in late fire and no fire each year. The mid-season fire is advantageous to the growth of H. diplandra (λ = 1.02). The growth of A. canaliculatus was favored by early and mid-season fires (λ = 1.15 and λ = 1.04 respectively). Finally, A. canaliculatus and H. diplandra have the same ages and live longer under early fire (87 to 103 years). In the no fire, A. canaliculatus can reach 126 years. Overall, perennial grass species differ in their demographic parameters and their response to different fire regimes. The circumference of the tussocks is a determining parameter in the study of the demography of these grasses. The mid-season fire seems to be the most favorable for maintaining the diversity of the grasses at Lamto
Mhamdi, Alaoui Asmae. "Environnement et paléoenvironnement d'un écosystème côtier : la lagune de Moulay Bousselham, côte atlantique marocaine." Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13967.
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