Ce document constitue les actes du Colloque de restitution du programme de recherche APPI « Une action publique éclatée ? » organisé en décembre 2014. L’objectif du projet, mené dans le cadre de l’ANR les Suds II, est de comprendre comment, dans des pays africains dépendants de l’aide, se construit et se met en oeuvre l’action publique. Il a mobilisé les concepts et méthodes issus de plusieurs courants d’analyse tels que les sciences politiques, la socio-anthropologie du développement et l’économie institutionnelle, avec un souci d’empirisme.

Lakes are integrator of environmental changes occurring at a regional to global scale and present a high variety of behaviors on a variety of time scale. Their crucial importance as water stocks and retaining given the significant environmental changes occurring worldwide at many anthropocentric levels has increased the necessity of monitoring all its morphodynamic characteristics i.e. water level, surface area and volume.

The multiple forms of land acquisitions show direct and indirect implications on water. The motive to utilize, control or grab water is devised through acquiring land. There are embedded water issues in almost all land acquisitions. Practical challenges are explored especially in keeping the balance of water securities. The paper is done with the objective of analyzing the water implications, balance, priority and extent of security given to users in lieu of water security indicators and then examined against the regulatory frameworks and responses.