Stakeholders of the Marine Strategy Framework Directive (MSFD) need scientific and technical support to assess ecological status of marine waters and to adopt management actions to achieve the objective of the directive, i.e. “to achieve or to maintain good environmental status in the [European] marine environment by the year 2020 at the latest”. This support involves especially the development of indicators. Studies about the concept of indicator exist, in particular since the implementation of legislations such as the Water Framework Directive (WFD) in Europe. Indeed, they provide a significant source of reports and scientific papers, representing essential information for the implementation of the MSFD. However, the generic nature of the concept of... |