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. 2016 May 31;4:e2084. doi: 10.7717/peerj.2084

Figure 5. Effect of protection on herbivorous fish biomass and fleshy macroalgal cover on the Mesoamerican Reef.

Figure 5

Mean (± s.e.m.) herbivorous fish biomass and benthic macroalgal cover in 2005/6 (green symbols) and 2013/14 (red symbols) by level of protection, for all (85) long-term monitoring sites. Unprotected = sites outside Marine Protected Areas (n = 26), MPA = sites inside Marine Protected Areas but not within No Take Zones (n = 47), NTZ = sites inside No Take Zones within Marine Protected Areas (n = 12).