No description available.

Very little is known about the spatio-temporal ecology of the rusty-spotted genet, Genetta maculata. With this study I aimed to describe the activity patterns, resting site use and spatial ecology of G. maculata in Telperion Nature Reserve. I particularly looked at the activity profile and the activity period. I wanted to determine the spatial distribution of resting sites, the number of sites used per individual as well as the index of resting site reuse. I also calculated the distance between resting sites on consecutive days and tested for differences between sexes and seasons. I determined the size of home ranges, as well as that of core areas and compared space use between sexes and seasons as well as vegetation types. A total of six males and nine females were trapped, radio-collared and tracked during continuous night and daytime sessions between September 2015 and August 2016. Rusty-spotted genets were primarily nocturnal (nocturnality index: 0.84) and therefore made use of the darkness for cover when hunting. Overall, male effective activity duration (586 ± 172 min) was greater than for females (564 ± 175 min) possibly because they search for females to mate with as well as due to their larger body size. Seasonal changes in activity were evident – specifically in winter – and were probably a function of both food availability and temperature. Areas with a denser vegetation structure seemed to be more suitable for rusty-spotted genet resting sites. Neither the number of resting sites nor the reuse rate of these resting sites differed between sexes or seasons. The inter-resting site distance on consecutive days was higher for males (938 ± 848 m) than females (707 ± 661 m). This was possibly caused by males travelling larger distances when searching for females to mate with. The inter-resting site distance was higher during autumn, likely due to the decrease in food availability, which made it necessary for genets to increase their hunting efforts. However, a similar increase in hunting effort was not evident during winter as genets decreased their overall activity, possibly in order to avoid colder temperatures. No sexual or seasonal differences in home range size were found. This was attributed to a well-spread and consistent availability of food sources. Core areas only covered on average 7% of the total individual home range which further supports the hypothesis that food was readily available. Both intra- and intersexual home range overlaps were recorded. This was not unusual for carnivores and due to a combination of reproductive and social actions. Home ranges mainly included bushveld vegetation (78%) rather than grassland as these areas provided better cover and likely more abundant food sources. As this was the first exhaustive study of its kind on this species over a full annual cycle, the information gathered is important for the development of conservation strategies for this species, but also for other Genetta species in the rest of Africa. / College of Agriculture and Environmental Sciences / M. Sc. (Environmental Science)

La microfinance connaît un développement considérable dans le monde de longue date. Elle est restée insignifiante jusqu’aux années 1990 au sein des Etats membres de la Communauté Economiques et Monétaire de l'Afrique Centrale (CEMAC) avant de connaître, sous l’effet conjugué du rôle actif de la Banque mondiale dans la lutte contre la pauvreté, un contexte juridique mal codifié et des politiques économiques exclusives, son essor et une expansion rapide marquée par une certaine anarchie et beaucoup de faillites aux conséquences négatives sur les économies et le moral des populations pauvres clientes des institutions de microfinance (IMF).Conscients des enjeux politiques et incités par les experts de la Banque mondiale, les chefs d’Etats de la CEMAC ont recherché des solutions visant à réglementer ce secteur en confiant à la Commission bancaire de l'Afrique centrale (COBAC) la mission d’édifier un cadre réglementaire et d’en assurer la supervision.Malgré cette réglementation, le taux de défaillance des IMF demeure élevé ce qui laisse à penser qu’il existe de failles structurelles qui nuisent à l’applicabilité des textes et/ou à l’exercice d’une bonne supervision.A partir d’une étude empirique construite autour d’un échantillon d’organisations de microfinance, il est mis en évidence des défaillances dont l’analyse des caractéristiques permet de dégager des stratégies appropriées pour y remédier.L’étude écarte l’absence de patrimoine des clients des IMF comme facteur risque justifiant une réglementation prudentielle. Elle montre à cet effet que les IMF ont un fonctionnement adapté au contexte d’information imparfaite avec les prêts de groupe à responsabilité conjointe et les prêts individuels renouvelés. Par conséquent, elle incite à se concentrer sur l’objet même de la réglementation et les pratiques de sa supervision.Cette réglementation de la microfinance dans la CEMAC tend à se conformer aux standards prudentiels internationaux. Mais il s’avère qu’elle nécessite des corrections pour plus d’efficacité et d’efficience. / Microfinance has evolved over the years. Insignificant until the 1990 in the Central Africa Economic and Monetary Community (CEMAC) it became the tool used by the World Bank to fight poverty. Combined with poorly codified legal context and exclusive economic policies, its development and rapid expansion was marked by lawlessness and bankruptcies with negative consequences on the economies and moral of populations and clients using microfinance institutions (MFIs).Aware of political issues and encouraged by the experts of the World Bank, the CEMAC Heads of States, sought solutions to regulate this sector by entrusting to the Banking Commission of Central Africa (COBAC) mission to build a regulatory framework and ensure supervision.Despite this regulation, the MFI failure rate remains high which suggests that there are structural flaws that undermine the applicability of the text and/or the exercise of proper supervision.From an empirical study built around sample of microfinance organisations, it is highlighted shortcomings allowing identifying appropriate strategies to address them.The study did not take into account MFI customers’ assets as a risk factor to justify the cautious regulation. This shows that MFIs have an imperfect data not adapted to group loans with joint responsibility and renewed individual loans. Therefore, it encourages focus on the regulation and supervision practices.This microfinance regulation in the CEMAC tends to conform to international prudential standards. But it turns out that it requires corrections for efficiency and effectiveness.

Magister Legum - LLM / South Africa

Magister Legum - LLM

Cette thèse est consacrée à la croissance et à la remobilisation crustales au Pan-Africain dans le Sud du massif du Ouaddaï au Tchad, situé à la marge Sud du Métacraton du Sahara et au Nord du Craton du Congo. La cartographie du secteur d'étude a permis de distinguer des roches métasédimentaires comprenant des niveaux d'amphibolites et intrudées par des roches plutoniques de composition intermédiaire à felsique. Les amphibolites correspondent à des basaltes tholeiitiques dérivés de la fusion partielle d'un manteau appauvri (ƐNd540= 4). Les roches felsique, représentées par des leucogranites de type-S, donnant des âges U-Pb sur zircon de 635 ± 3 Ma et 612 ± 8 Ma, sont issues de la fusion partielle des métasédiments. Les granitoïdes potassiques calco-alcalin de type-I, donnant un âge U-Pb sur zircon à 538 ± 5 Ma, incluant une monzonite à pyroxène de nature shoshonitique datée autour de ca. 540 Ma, sont caractérisées par des signatures isotopiques radiogéniques (ƐNd620= -4 et -15) et sont attribuées à la fusion partielle d'un manteau enrichi plus ou moins contaminé. Les roches métasédimentaires sont caractérisées par une foliation composite S0 /S1-2 de direction NE-SW qui est associée à des plis isoclinaux P1 et P2 d'échelle centimétrique à hectométrique et qui porte une linéation L1-2 plongeant faiblement vers le NW. Cette foliation est également affectée par des plis droits ouverts P3 associés à une schistosité de plan axial S3 fortement pentée vers le NNW ou le NW. La présence de grains de zircon détritiques et leurs signatures Hf comprenant une composante héritée Archéenne à Paléoprotérozoique indique que les roches métasédimentaires sont issues de l'érosion des cratons voisins et un dépôt au début du Néoprotérozoique.[...] / This thesis is devoted to crustal growth and Pan-African reworking in the south of the Ouaddaï massif in Chad, located at the southern margin of the Sahara Metacraton and north of the Congo Craton. Geologic mapping has allowed to identify metasedimentary units alternating with amphibolites and intruded by plutonic rocks with intermediate to felsic composition. Amphibolites correspond to pre-tectonic tholeiitic basalts derived from the partial melting of the depleted mantle (ƐNd540= 4). The felsic rocks, represented by S-type leucogranites yielding U-Pb zircon ages of 635 ± 3 Ma and 612 ± 8 Ma, are derived from the partial melting of metasediments. High-K calc-alkaline I-type granitoids yielding U-Pb zircon ages at 538 ± 5 Ma, and including a shoshonitic pyroxene-monzonite yielding U-Pb zircon ages at 538 ± 5 Ma are characterized by radiogenic isotopic signatures (ƐNd540= -4 et -15) and are partial melting of an enriched mantle with a potential impact of mixing of mantle and crustal-derived magmas. Metasedimentary rocks display a NE-SW trending S0/S1-2 foliation associated with centimeter to hectometer scales F1 and F2 isoclinal folds delineating hook type interferences pattern and bearing a L1-2 lineation weakly dipping towards the NW. The S0/S1-2 foliation is also affected by upright open F3 folds marked by the development of a faint axial planar S3 schistosity variably dipping to the NNW or NW. Zircon detrital grains with Hf signatures pointing to an Archaean to Paleoproterozoic inheritance indicates that metasedimentary rocks are derived from erosion of the surrounding cratons and were deposited in the early Neoproterozoic. These rocks were subsequently affected by deformation and metamorphism dated at 627 ± 7 Ma (by Th-U-Pb on monazite) and at 602 ±3 Ma (by U-Pb on zircon), typical of green schist facies and amphibolite facies. [...]

Nombreuses prévues et études sur la transmission inter et trans-générationnelle du traumatisme nous confirment l'évidence de la transmission sans pour autant en donner une description détaillé du processus qui pourrait être à la base de la transmission directe de la mère au bébé. La compréhension de ce processus pourrait permettre de penser et promouvoir des dispositifs de soin précoce pour les mères traumatisées et leurs bébés. Cela s'avère d'autant plus important dans les contextes de trauma collectif, comme les situations d'urgence humanitaire, où une large partie de la population est exposée à des événements traumatiques extrêmes et répétés. Dans le but d’identifier les déterminantes propres à la transmissions directe du traumatise psychique de la mère au bébé en contexte humanitaire, nous avons recrutées vingt-quatre dyades mère-bébé, en trois pays affectés par la crise politico-religieuse centrafricaine démarrée en 2013 (République Centrafricaine, Tchad et Cameroun). Dans les vingt-quatre dyades, les mères ont été exposées à un ou plusieurs événements traumatiques, en l'absence du bébé, avant sa naissance ou pendant la grossesse ; l'âge de bébé est compris entre un mois et trois ans. Ces Mères et bébés ont étés rencontré lors d'un entretien semi structuré que nous avons filmé. Cela pour permettre une microanalyse des interactions trans-modales (visuelles, corporelles, vocales) entre mère et bébé, dans l'idée de comprendre si pendant la révocation de l'événement traumatique de la part de la mère, les interactions subissaient des modifications et dans ce cas, lesquels. Les interactions dyadiques ont été aussi observées dans une situation de jeu libre sans la présence d'interviewer. Les représentations maternelles ainsi que les marqueurs traumatiques dans le discours ont été pris en compte comme facteurs contributeurs de la transmission traumatique. Les résultats de l'analyse des échanges dyadiques pendant l'entretien, montrent une évidence dans le changement d'interactions dans le moment de révocation traumatique de la mère. Les détails de cette différence d'interaction entre mère et bébé sont présentés dans la session de résultats. Dans la discussion ils sont ensuite mis en relation avec le discours de la mère où nous pouvons remarquer le rôle de représentations maternelle à propos du bébé qui ont une implication importante dans la transmission traumatique. L'analyse de toutes ces composantes multiples semble nous indiquer que le traumatisme maternelle influence les représentations de la mère à propos du bébé, de sa relation avec lui et du mandat transgénérationnelle dont le bébé va être investi. De plus les mères traumatisées, envahies par leur propre état émotionnel négatif ont des difficultés à interpréter correctement les expressions verbales et non verbales du bébé et à trouver des réponses appropriées. Cette difficulté se traduit dans la transmission de son état émotionnel négatif au bébé, qui interprète l'absence de réponse de la mère ou les réponses pas adéquates à ses sollicitations, comme des signaux négatifs vis-à-vis de son propre état émotionnel. Lé bébé et il n'a pas d' autres stratégies que celle d'internaliser l'état affectif négatif maternel et de le transformer dans son propre état interne. Malgré l'évidence de la transmission de l état émotionnel négatif de la mère au bébé, nous avons pu observer certains facteurs de protection qui peuvent préserver les mères et les bébés de l'inévitabilité de cette transmission. Les mères et les bébés montrent plusieurs ressources et compétences internes qui nous laissent penser qu'une réparation est possible ainsi qu'une prévention de la transmission traumatique quand le processus est déjà démarré. Pour conclure ce travail nous présentons de propositions cliniques de prise en charge des mère ayant vécu un traumatisme et leur bébé, dans le but de réduire les effets de la possible transmission du traumatisme au bébé ou, quand possible, de la prévenir. / Several studies on the inter- and trans-gerational transmission of trauma confirm the evidence of transmission without giving a detailed description of the process that could be the basis of mother to child direct transmission. Understanding this process could help to think and promote early care for traumatized mothers and their children. This is especially important in contexts of collective trauma, such as humanitarian emergencies, where a large part of the population is exposed to extreme and repeated traumatic events. In order to identify the determinants of the mother to child direct transmission in a humanitarian context, we recruited twenty-four mother-child dyads, in three countries affected by the Central African political and religious crisis started in 2013 (Central African Republic, Chad and Cameroon). The twenty-four dyads were composed by mothers exposed to one or more traumatic events, in the absence of the child, before childbirth or during pregnancy and their children, aged from one month to three years. We met the mother-child dyads during a semi-structured interview that we filmed in order to allow a microanalysis of the cross-modal (visual, bodily, vocal) interactions between mother and child. The objective was to understand whether interactions underwent modifications during the revocation of the traumatic event by the mother, and if yes, to have a better comprehension of these changes. Dyadic interactions were also observed in a free play situation without the presence of interviewers. Maternal representations as well as traumatic markers in mother discourse have been taken into account as factors contributing to the traumatic transmission. The results of the dyadic exchanges analysis during the interview show some evidences in the modification of interactions during the traumatic revocation of the mother. The details of this difference in mother-child interactions are presented in the results session. In the discussion session, the results from the microanalysis of interactions, have been connected to the mother's speech where we can notice the role of maternal representations about the child that have an important involvement in traumatic transmission. The analysis of all these multiple components seems to indicate that maternal trauma influences the mother's representations about the child, her relationship with him and the intergenerational mandate of which the child will be assigned to. In addition, traumatized mothers who are overwhelmed by their own negative emotional state, have difficulties in interpreting the child's verbal and non-verbal expressions correctly and finding appropriate answers. This difficulty is reflected in the transmission of mother negative emotional state to the child, who interprets the mother's lack of response or inadequate responses to his solicitations, as negative signals about his own emotional state. The child has no other strategies than internalizing the maternal negative affective state and transforming it into its own internal state. Despite the evidence of the transmission of the negative emotional state from the mother to the child, we have observed some protective factors that can preserve mothers and children from the inevitability of this transmission. Mothers and children show many internal resources and skills that suggest a possible recovery as well as give the basis to think about the prevention of traumatic transmission, when the process is already underway. To conclude this work we present clinical applications for the management of traumatized mothers and their young children in order to reduce the effects of the possible transmission of trauma to the child or, where possible, to prevent it. / Diversi studi sulla trasmissione inter e tran-generazionale del trauma confermano l'evidenza della trasmissione, ma senza fornire una descrizione dettagliata del processo che potrebbe essere alla base della trasmissione diretta dalla madre al bambino. Comprendere questo processo potrebbe aiutare a pensare e promuovere la cura precoce delle madri traumatizzate e dei loro bambini. Ciò è tanto più importante nelle situazioni di trauma collettivo, come possono essere le emergenze umanitarie, dove una gran parte della popolazione è esposta a eventi traumatici estremi e ripetuti. Al fine di individuare le caratteristiche specifiche della trasmissione diretta del trauma psichico dalla madre al bambino in ambito umanitario, abbiamo reclutato ventiquattro diadi madre-bambino in tre paesi colpiti dalla crisi politico-religiosa della Repubblilca Centrafricana che ha avuto inizio nel 2013 (Centrafrica, Ciad e Camerun). Nelle ventiquattro diadi, la madre ha assistito a uno o più eventi traumatici in assenza del bambino, prima della nascita o durante la gravidanza e il bambino ha un'età compresa tra un mese e tre anni. Hanno partecipato a un' intervista semi-strutturata che abbiamo filmato per consentire la microanalisi delle interazioni cross-modali (visive, corporee, vocali) tra madre e bambino, con l'obiettivo di comprendere se durante la rievocazione dell'evento traumatico della madre, le interazioni madre-bambino si modificano e in questo caso, come. Le interazioni diadiche sono state osservate anche in una situazione di gioco libero senza la presenza d¿intervistatori. Le rappresentazioni materne e gli elementi identificatori del trauma nel discorso della madre sono stati considerati come fattori che contribuiscono alla trasmissione traumatica. I risultati delle analisi dell'interazione diadica durante l'intervista mostrano un cambiamento evidente dell'interazione nel momento della narrazione traumatica della madre. I dettagli delle differenze osservate nell'interazione madre-bambino sono presentati nella sessione dei risultati e nella discussione sono messi in relazione con il contenuto e la forma del discorso della madre, in cui è possibile vedere il ruolo delle rappresentazioni materne à proposito del bambino, nella trasmissione del trauma. L'analisi di tutti queste componenti multiple suggerisce che il trauma materno ha un impatto sulle rappresentazioni della madre a proposito del suo bambino, del rapporto che ha con lui e del mandato transgenerazionale di cui il bambino sarà portatore. Inoltre, le madri traumatizzate, invase dal proprio stato emotivo negativo, mostrano una difficoltà a interpretare correttamente le espressioni verbali e non verbali del bambino e a trovare delle risposte adeguate alle sue sollicitazioni. Questa difficoltà si traduce nella trasmissione dello stato emotivo negativo della madre al bambino, che interpreta la mancanza di risposta della madre o le risposte inadeguate alle sue richieste, come segnali negativi rispetto al suo stato emotivo. Il bambino non riesce a trovare altre strategie oltre a quella di interiorizzare lo stato emotivo negativo della madre e trasformarlo nel proprio stato emotivo interno. Nonostante le prove della trasmissione dello stato emotivo negativo dalla madre al bambino, abbiamo osservato alcuni fattori protettivi in grado di preservare le madri e i bambini dall'inevitabilità della trasmissione. Madri e bambini mostrano diverse risorse e competenze interne che ci portano a immaginare che una "riparazione" è possibile, cosi come anche la prevenzione della trasmissione traumatica, nel caso in cui il processo è già avviato. Per concludere questo lavoro, presentiamo delle proposte cliniche destinate alle madri traumatizzate e ai loro bambini, al fine di ridurre gli effetti della possibile trasmissione del trauma al bambino o, quando possibile, per impedirla.

À l’holocène, le développement de l'agriculture par les populations humaines a modifié la morphologique du squelette humain. Dans ce cadre, plusieurs recherches se sont intéressées à la biomécanique des populations passées et modernes. Elles supposent qu’une activité physique répétée affecte la structure de l’os. Cette réponse osseuse est analysée par les propriétés géométriques de l’os qui permettent de reconstruire le comportement passé et présent des individus. La distribution osseuse en coupe a donc été étudiée sur les membres supérieurs et inférieurs de populations centrafricaines (du Cameroun et de la République Démocratique du Congo). La première hypothèse de ce mémoire est la suivante, les agriculteurs centrafricains, au mode de vie sédentaire, auraient les membres supérieurs plus robustes, tandis que les chasseurs-cueilleurs, plus mobiles, auraient les membres inférieurs plus robustes. La deuxième hypothèse suppose que les populations d’un milieu/terrain plus accidenté auraient les membres, supérieurs et/ou inférieurs, plus robustes. Nos résultats indiquent plutôt que les chasseurs-cueilleurs et les agriculteurs ont la même robustesse générale, bien que les peuples non sédentarisés soient plus robustes à la mi-diaphyse des radius droits. Contrairement à ce qui était attendu, les fémurs sont plus résistants (CSA) chez les agriculteurs, quand ils sont standardisés par la masse corporelle. En revanche, la moitié supérieure des tibias semblent être plus robuste chez les chasseurs-cueilleurs, quand les propriétés sont standardisées par la longueur de l’os. Les radius et les ulnas des chasseurs-cueilleurs vivant en forêt et en montagne ont la même robustesse. Enfin, seule la section distale des fibulas est plus résistante (CSA) chez les chasseurs-cueilleurs de la montagne que chez les chasseurs-cueilleurs de la forêt. En conclusion, ce mémoire ne nous permet pas d’affirmer que la transition vers l’agriculture s’accompagne d’une réduction de la mobilité et de la robustesse en Afrique centrale. En revanche, il montre que ces individus sont quand même influencés par leur stratégie de subsistance. Un plus grand échantillon est nécessaire pour mieux documenter la transition agricole et l’influence du milieu sur la structure osseuse en Afrique centrale. / The emergence of farming in the Holocene had major impacts on human populations. Many biomechanical studies have explored past and recent populations and have suggested that physical activity affects bone structure. Cross-sectional geometric properties of bones are measured to reconstruct past and recent human behavior. The present study analyses bone cross-sectional geometry of upper and lower limbs long bones of Central African populations (from Cameroon and the Democratic Republic of Congo). This study is based on the premise that agriculturalists, a sedentary group using their upper limbs for farming activities, have more robust upper limbs, while hunter-gatherers, that have an extremely mobile lifestyle, have more robust lower limbs. In addition, it is assumed that populations in more rugged environments/terrains would have more robust upper and/or lower limbs. Against expectation, the upper limbs of non-sedentary and sedentary populations have the same robusticity, although the right radius midshafts of hunter-gatherers are more robust. The femora are more robust in agriculturalists when the significant properties are normalized by body mass. In contrast, the upper part of the tibiae is more robust in hunter-gatherers when the properties are standardised by bone length. Against expectation, it was found that the upper limbs (radii and ulnae) of hunter-gatherers living in the lowland forests and in the mountains have the same robustness. Meanwhile, for the lower limbs, the fibula is more robust in people living in the mountains than those in the forest. In conclusion, these findings do not allow us to assert that the transition to agriculture is accompanied by a reduction in mobility and robusticity in the lower limbs or an increase in robusticity of the upper limb. Nonetheless, this study suggests that individuals are influenced by their economic strategy. However, a larger sample will be needed to better evaluate the role of the transition to agriculture on bone structure in Central Africa.

In the Central African Presbyterian Church (C.C.A.P.) women are marginalised in its synods. The Nkhoma Synod has taken the strictest measures in marginalising women in the sense that, unlike the other synods, at the time of writing this dissertation, they did not allow women to be deacons, elders or ministers. The dissertation is a quest to find out the root cause of this marginalisation. The main focus has been on finding out to what extent the Pauline writings influenced this marginalisation. Chapter 1 describes the extent of women marginalisation in the C.C.A.P. Synods in Malawi, focusing especially on the Nkhoma Synod. Chapter 2 deals with the unparalleled contribution of women to the success of the Nkhoma Synod’s work. The position of women in Malawi and within the Chewa society is discussed in chapter 3. Chapter 4 deals with various interpretations of 1 Corinthians 11:2–16; 14:34, 35. These are Pauline texts which seem to support the marginalisation of women. Chapter 5 presents the results of the research, while in chapter 6 suggestions are made with regard to the future improvement of the position of women. / New Testament / M.A. (Biblical Studies)

La République Centrafricaine (RCA) ou Centrafrique, comme beaucoup de pays d’Afrique noire, amorce la mise en place d’un régime démocratique en 1990. Elle organise les élections multipartites dont le premier président démocratiquement élu est Ange Félix Patassé. Le cap de l’entrée en régime démocratique semble passé avec succès. Mais les vieilles méthodesrefont surface, occasionnant la contestation. En 1996 éclate une crise politico-militaire ponctuée par trois mutineries, puis une série de coups d’État. Elle atteint son apogée en 2013-2015 avec un conflit opposant deux communautés. C’est à la suite de ces événements que se fait le déploiement, en 1997, d’une force militaire de paix conformément aux « accords de Bangui » de 1997 : la Mission Interafricaine du Suivi des Accords de Bangui (MISAB). Elle marque le début d’une succession d’opérations destinées à maintenir ou rétablir la paix. Elle s’accompagne d’interventions humanitaires où le CICR et MSF jouent un rôle majeur. Cette recherche analyse ces actions de 1990 à 2015. Elle étudie dans la première partie le rôle des acteurs africains dans la résolution de ce conflit et dans la deuxième partie la participation des acteurs internationaux. / The Central African Republic (CAR) or Centrafrique, as many black African countries, begins the establishment of a democratic regime in 1990. It organized multi-party elections which the first democratically elected president is Ange Félix Patassé. The cap of the entrance to democratic regime seems past successfully. But the old methods resurface, causing protests. In 1996 bursts a politico-military crisis punctuated by three mutinies, then a succession of putsch. It reached its peaks in 2013-2015 with a conflict between two communities. It is following these events that are made the deployment in 1997, of a peacemilitary force according to the “agreements of Bangui” in 1997: The Inter-African of monitoring the agreements of Bangui (MISAB). It marks the beginning of a series of operations intended to maintain or to restore the peace. It goes along with humanitarian interventions where the International Committee of the Red Cross (ICRC) and Doctors without borders (MSF) play a major role. This research analyzes these actions from 1990 to 2015. It studies in the first part the role of the African actors in the resolution of this conflict and in the second part the participation of the international actors.