Skip to main content

Table 2 Mean abundance and confidence intervals (CI) at 95% for motile organisms and ichthyofauna present on the niche artificial reefs

From: Ecological succession of benthic organisms on niche-type artificial reefs

Organism density (ind/0.16 m2)

 

Cancer edwardsii

Argobuccinum sp.

Henricia obesa

Meyenaster gelatinosus

Tégula sp.

Concholepas concholepas

Indet decapodas

Odontaster penicilatus

Monitoring

χ ± SD (CI 95%)

χ ± SD (CI 95%)

χ ± SD (CI 95%)

χ ± SD (CI 95%)

χ ± SD (CI 95%)

χ ± SD (CI 95%)

χ ± SD (CI 95%)

χ ± SD (CI 95%)

1

2

0.72 ± 1.49 (− 0.37–1.81)

0.06 ± 0.24 (− 0.28–0.40)

0.06 ± 0.24 (− 0.62–0.73)

3

1.44 ± 1.69 (0.21–2.68)

4

0.39 ± 0.70 (− 0.12–0.90)

0.06 ± 0.24 (− 0.34–0.45)

5

0.06 ± 0.24 (− 0.06–0.17)

0.72 ± 1.18 (− 0.14–1.59)

0.17 ± 0.38 (− 0.48–0.81)

6

0.33 ± 0.59 (− 0.10–0.77)

0.06 ± 0.24 (− 0.28–0.40)

0.06 ± 0.24 (− 0.34–0.45)

0.11 ± 0.32 (− 0.51–0.73)

0.06 ± 0.24 (− 0.45–0.56)

7

0.17 ± 0.51 (− 0.21–0.54)

0.22 ± 0.55 (− 0.44–0.88)

0.17 ± 0.38 (− 0.48–0.81)

  1. χ = mean, SD standard deviation, – = not observed