“…In Natura sites, new legislation decides what activities professional groups – for example, fishers, farmers – are (and are not) permitted for the sake of species and habitats (Blicharska et al, 2016). Such professional groups have contested many of these legal innovations, getting involved in ‘battles of ideas’ criticizing, for instance, disregard of their local knowledge and of how it can be vital for the development of joint strategies for resource protection (Beunen et al, 2013; Blicharska et al, 2016; Jentoft, 2000; Martin et al, 2016; Mouro et al, 2018). Yet very few psycho-social analyses have so far explored these conflicts from their perspective (Castro, 2012), with most being principally attentive to the general public, or to non-professional groups (e.g.…”