Spatial variation of reef fishes and the relative influence of biotic and abiotic habitat traits

Table 3 Results of multiple regression models testing the relationship between habitat traits and different variables of fish assemblages

Assemblage structure			Total # of fish taxa			Total # of fish individuals			Benthic spatial guild
Variable	% explained var.	p	Variable	% explained var.	p	Variable	% explained var.	p	Variable	% explained var.	p
Small drops	3.0	0.001	Bare rock	7.5	0.028	Large drops	14.0	0.002	Bare rock	2.4	0.191

Proximo-benthic spatial guild			Omnivorous fish			Browsers of benthic invertebrates			Predators of mobile animals
Variable	% explained var.	p	Variable	% explained var.	p	Variable	% explained var.	p	Variable	% explained var.	p
Large drops	9.1	0.011	Foliose algae	1.7	0.310	Bare rock	1.5	0.015	Large drops	11.3	0.004
Small drops	4.0	0.082							Small drops	4.8	0.040
Algal turfs	4.2	0.059							Algal turfs	4.7	0.051
Bare rock	3.3	0.098							Bare rock	2.7	0.100

The Akaike information criterion was used to select variables with explanatory power. The contribution of each variable is provided as the amount (%) of explained variation. Significant results are reported in bold

ISSN: 1438-3888