Seasonally flooded land (ephemeral swamps and intermittent tributaries) located on the flood-plain of a west coast Vancouver Island stream (Carnation Creek) was examined for two winters. Seven distinct map units were identified by discriminant analysis, based on environmental and biotic factors. These seven map units were further grouped into three habitat units based on their ability to support over-wintering coho (Oncorhynchus kisufch ) and trout (Salmo gairdneri and S. clarki clarki). The use of these habitat units to identify salmonid off-stream winter habitat was shown to be valid for the watershed in which it was developed.
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Updated December 16, 2008