T he development of Angke Kapuk Forest as an ecosystem laboratory has character and function which has important role to Jakarta's environment. Especially for pacification from abrasion and intrusion of sea water a long with air and water pollution which getting worst. As appropriate with direction of city development that can reach until year of 2005 ( R UTR of Kecamatan Penjaringan 2005), this area which include to region development of sea west. As purpose to pacification of green area and green tour.In this case. development of Angke Kapuk forest as set of problem which very complex even technically that involved with it social and culture. That is why, it has to create a concept about ecosystem laboratory development which more guided and integrated as appropriated with RlITRK and RUTR.f{. And also it must appropriate with function of area without change anything, especially for natural shape.Schedule area has purpose to sub-urban compose with something has an esthetic value from visualization of sub-urban landscape. And it also to compose space which appropriate to an existing ecosystem and land use. The things that have never released from government policy which has a function as regulator for utilizing of land use area and it distribution has become basic orientation.As approach for that schedule which applied through discipline of landscapearchitecture in effort to compose on exterior for human activity and natural preservation (Ecology).Hopefully, it can shape into something which has been form to a city green area which has a function has city buffer area, water absorption area, city lung, and also as natural recreation area which has ecology, social, economy, culture and esthetic value .