Adriatic Sea 1 Anthropogenic pressures 1 Biological indicators 1 Canopy-forming algae 1 Coastal area 1 Conservation 1 Conservation status 1 Coverage 1 Cystoseira 1 Cystoseira sensu lato 1 Decision support systems 1 Ecology 1 European directive 1 Fucales 1 Mediterranean Sea 1 Northern Adriatic Sea 1 Reference sites Regression 1 Sensitive species 1 Trends 1 alga 1 anthropogenic effect 1 canopy 1 conservation status 1 macroalga 1 macrophyte 1 rocky shore 1 species richness 1