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. 2017 Dec 14;5:e4119. doi: 10.7717/peerj.4119

Table 1. Fish assemblage at Varadero and Barú Reefs.

Fish assemblage attributes estimated through visual censuses on 30 × 2-m2 belt transects made at Varadero and Barú Reefs.

Community attribute Varadero (n = 15) Barú (n = 7) t p
Mean ±SD Mean ±SD
Species richness 12.4 3.0 15.0 2.4 −1.99 0,06
Number of individuals 55.6 15.9 74.1 14.4 −2.62 0,02
Dominance (Simpson’s D) 0.18 0.05 0.16 0.04 0.94 0,36
Diversity (Shannon’s H’) 2.0 0.3 2.2 0.2 −1.36 0,19
Evenness (Pielou’s J’) 0.81 0.07 0.80 0.04 0.27 0,79