Relating Species Patterns and Environmental Variables by Canonical Ordination: An Analysis of Soft-bottom Macrofauna in the Region of Tromso, Northern Norway

摘要

Relationships between species composition and environmental variables in soft- bottom faunal communities near the city of Tromso, northern Norway (69° 40'N, 19° 0'E), were examined using Canonical Correspondence Analysis (CCA). Quantitative data for 87 species and 14 environmental variables at 30 stations (21 sites) were considered. The variables used were depth, sediment parameters (grain size distribution, total organic carbon (TOC), C|N ratio), and an index representing organic effluent discharge.