Northwest Indian Fisheries Commission

Menu

Search

Download the NWIFC Newsletter

SSHIAP AquaScape Interactive Mapping Application

Segment Habitat Size

The different habitat types recognized in the SSHIAP system are shown in the following table:

SSHIAP Database Code Habitat Type Description
1 Small Tributary Stream with summer low flow wetted width <6m, OR basin area <23mi2 (~1/2 of a USGS 7.5’ quad).
2 Large Tributary Stream/river with summer low flow wetted width ³6m, OR basin area >23mi2.
3 Side Channel Persistent secondary channel, typically with a vegetated island or other persistent landform separating it from the main channel.
4 Side Channel Slough Channel branching off the main stem with >90% pools.
5 Distributary Slough Channel with >90% pools that branch off a mainstem and flow as part of or into an estuary.
6 Lake/Pond Habitat with standing water all year. Shown as unbroken blue on USGS topos; verify with aerial photos.
7 Wetland/Pond Complex Wetland with associated, perennial surface water pond(s). Shown as blue with grass symbols or unbroken blue on USGS topos; verify with aerial photos.
8 Seasonally Flooded Wetland Wetland that holds water for only a portion of the year. Often have perennial surface water channels and are identifiable with aerial photographs. Shown in white with grass symbols on USGS topos.