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Table 3 Results of DistLM (distance-based linear model routine) considering species cover

From: Spatial variability, structure and composition of crustose algal communities in Diadema africanum barrens

Variable Pseudo-F p % var.
(A) Marginal test
Urchin density 6.297 0.0002 7.06
Wave exposure 28.378 0.0001 15.38
Productivity 26.30 0.0001 14.22
Depth 3.147 0.014 2.59
Substrate roughness 7.495 0.0001 7.97
Variable Pseudo-F p % var. Com. % var.
(B) Sequencial test
Wave exposure 30.152 0.0001 15.17 15.17
Urchin density 9.353 0.0001 7.11 22.28
Substrate roughness 8.574 0.0001 6.47 28.76
Productivity 6.633 0.0003 5.20 33.96
Depth 3.147 0.015 2.59 36.56
  1. (A) Test for relationships between individual environmental variables and species cover. (B) Test for relationships between environmental variables and species cover considering all environmental variables integrated in a multiple regression model