“…Overall, data and knowledge challenges could be summarized as (Börger et al, 2014;Kittinger et al, 2014;ESA in Practice: Lessons Learned, 2015;Hanley et al, 2015;Mongruel et al, 2015;Saunders et al, 2015): (i) lack of knowledge on the extent and status of marine habitats, species, and overall coastal and marine features, as well as on how changes affect the marine environment and hence benefits while accounting for the contributions of other inputs; (ii) variability in sectors, scales, and time regarding marine socioeconomic data coverage, as well as data of varying quality and confidence and poor metadata records; (iii) limited local data, including in terms of the beneficiaries of ESs, and limited ESs values, which, moreover, may not be robust or focused on the most valuable or important services; (iv) difficulties in eliciting, mapping, and visualizing specific ESs values due to spatial and cognitive distance (e.g., deep-sea biodiversity), as well as scale of value (social vs individual) seen in, for example, the valuation of cultural heritage; (v) over-reliance on spatial, quantitative data, which may preclude social information and; (vi) isolated collection of social, economic, and ecological data, practitioners" unfamiliarity with social science methods, and the underrepresentation of social scientists in the planning process. The latter may be because marine management might have been "biased" towards environmental data, creating a vicious cycle that is more difficult to break when financial resources are limited and social science input is not given equal weight.…”