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. 2018 Jan 24;13(1):e0189930. doi: 10.1371/journal.pone.0189930

Table 3. Sea urchin numerical abundances among sub-regions.

Values are mean (no. m-2) with standard deviations in parentheses.

Sea urchin species Francisco Coloane Cape Horn Diego Ramírez Percentage of total
Loxechinus albus - 0.60 (1.31) 0.67 (0.26) 59.1
Arbacia dufresnii 0.06 (0.06) 0.22 (0.43) 0.17 (0.18) 20.9
Pseudechinus magellanicus 0.03 (0.04) 0.35 (0.43) 0.01 (0.02) 18.1
Austrocidaris canaliculatum 0.01 (0.01) 0.02 (0.04) 0.01 (0.01) 1.4
Percentage of total 4.7 55.6 39.7