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Objectif: La presente etude relative a l'impact des methodes de gestion des terres riveraines mises en oeuvre dans le parc de la Pendjari vise a mettre en evidence les consequences des pratiques mises en oeuvre sur la conservation dudit parc. Methodologie et resultats: Pour ce faire, une enquete a ete realisee et portait  sur 130 producteurs dans neuf (9) villages riverains du parc, sur les deux axes Tanguieta-batia et Tanguieta porga stratifie autour du parc. Elle s’est focalisee sur les systemes de culture observes et leur impact sur la conservation des ecosystemes. Le traitement des donnees a ete effectue sur la base d'une matrice brute de donnees sur 130 producteurs riverains. Dans un premier temps, la matrice brute a ete soumise a un AFC (Factors Components Analysis), une classification hierarchique, des tests de variance tels que le test non-parametrique de kruskal wallice et les tests d'independance de khi 2 (x 2 ). Les principales menaces a la conservation des ressources du parc identifiees sont la degradation physique des sols due a l'utilisation de machinerie lourde (tracteur) entrainant le compactage du sol et une diminution de leur porosite et egalement la degradation chimique des sols due a l'utilisation croissante de surdoses d'engrais mineraux (chimiques) provoquant l'acidification et l'asphyxie du sol. Il ressort egalement de l'analyse socio-economique que les categories de producteurs les plus menacantes pour la conservation de la biodiversite dans cette reserve sont, d'une part, les producteurs de l'axe Tanguietaporga (1ere aureole) qui ont largement adopte la culture du coton et la mecanisation avec l'utilisation de tracteurs qui ont un impact negatif sur les sols. En outre, ils menacent la biodiversite en convertissant l’ecosysteme forestier en terres agricoles. Conclusion et application des resultats: Les principales menaces qui pesent sur les ecosystemes autour du parc de la Pendjari sont la degradation physique et chimique qui est principalement due a l'adoption generalisee de la culture du coton qui induit l'utilisation de machines lourdes et de produits chimiques. Ainsi, la prise en compte de ces menaces par l’organe de gestion du parc (CENAGREF-Centre National de Gestion des Reserves de Faune) et l'adoption d'une agriculture plus biologique pourrait ameliorer la conservation de cet ecosysteme forestier. Dans un but d’approfondissement, une etude sur la qualite des eaux (riviere Pendjari et mares) du parc devrait etre envisagee pour evaluer l’etat de l’ecosysteme suite aux activites anthropiques, gage de la conservation de la faune sauvage. Mots cles: ecosysteme forestier, systemes de culture, parc Pendjari, agriculture extensive English Abstract Objective: The present study related to the impact of the riparian land management methods implemented in the Pendjari Park aims to highlight the various consequences of these implemented methods or technics on this Park ecosystem conservation. Methodology and Results: To achieve this, a survey was carried out in nine (9) villages bordering the park on the two Tanguieta-batia and Tanguieta porga axes laminated around the park and concerned 130 producers. They focused on the observed cropping systems and their impact on ecosystem conservation. Data processing was done on the basis of a raw matrix of data from 9 surveys. As a first step, the raw matrix was subjected to an AFC (Analysis Factors Components), a Hierarchical Classification, a tests of variance such as the nonparametric test of kruskal wallice and the tests of independence of khi 2 (x 2 ) in order to highlight the typology of the producers and the different relations among them. It shows that riparian populations greatly influence the sustainable conservation of the reserve through practices such as: the high rate of mineral fertilization, short fallow periods, extensive agriculture and illegal exploitation of Park resources. The main threats to the conservation of park resources identified are the physical degradation of soils due to the use of heavy machinery (tractor) causing soil compaction and a decrease in their porosity. Also chemical soil degradation due to the increasing overdose use of mineral (chemical) fertilizers causing acidification and soil asphyxiation. It is also apparent from the socio-economic analysis that the most threatening categories of producers for the conservation of biodiversity in this reserve are, on the one hand, the producers of the Tanguieta-porga (1st halo) axis who have largely adopted Cotton cultivation and mechanization that induces the use of tractors that have a negative impact on soils. In addition, they threaten biodiversity by converting large forest ecosystem to agricultural land. Conclusion and application of the results: The main threats to ecosystems around the Pendjari Park are the physical and chemical degradation that is mainly due to the widespread adoption of cotton cultivation which induces the use of heavy machinery and chemicals. Thus, the consideration of these threats by the park management office (CENAGREF) and the adoption of more organic agriculture could improve the conservation of this forest ecosystem. For deeper understanding of impacts, a water quality study of Pendjari river and related ponds of the park should be considered to assess the state of the ecosystem as a result of anthropogenic activities, a guarantee of wildlife conservation. Keywords: Forest ecosystem, cropping systems, Pendjari Park, extensive agriculture

Modes de gestion des terres dans la zone tampon de la réserve de biosphère de la Pendjari