The purpose of this presentation is to share the experience of a project focusing on fast-growing forest plantations in France. This project is led by geographers and involves colleagues from other disciplines (ecology and geochemistry). These plantations are particularly encouraged worldwide in the context of climate change, as they appear to be a means of mitigation, since trees sequester carbon. They are also part of avoidance strategies, offering wood that can be used as a bio-sourced material (less energy-intensive than concrete or plastic) and as a renewable energy source, preferable to fossil fuels. But these plantations are also controversial,in terms of biodiversity, but also culturally, in relation to landscapes. In view of the increase in planted areas, the project team decided to focus on the plantations present in the study area, the French region Centre-Val de Loire region: maritime pine plantations and poplar groves. The approach is to study them, focusing on the ecosystem services they provide, without neglecting their disservices. Particular attention has been paid to the views of stakeholders, residents and other users. The results provide input for a joint discussion between the 15 partners: 5 academic and 10 socio-economic, including stakeholders from forestry and timber industry, as well as representatives of a nature conservation association, a regional nature park, etc. The aim is to define scenarios that maximize the services provided, particularly biodiversity. These scenarios, which must be adapted to the local context, will be specified, as will the approach used to define them.