Fig. 3From: On some ecological aspects of the lugworm Abarenicola affinis chiliensis Wells, 1963 (Polychaeta: Scolecida: Arenicolidae) from shallow soft bottoms of northern ChileSpatial distribution from the principal components analysis (PCA) of the environmental and biotic variables measured in CGR during September 1996 and 1997, using station as the variable (for abbreviations see Table 1)Back to article page