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This map shows a summary of the presence/absence of coho salmon young-of-the-year in streams in the Austin Creek sub-basin for the years 2000-20002, displayed
with KRIS sub-basins and 1:100,000 scale streams. Coho salmon were not found in the sub-basin in 2000-2002. The data indicate a substantial decline in coho salmon
distribution from historical levels in the sub-basin. This map contains data for all the streams listed as known historically to harbor coho salmon in a draft California
Department of Fish and Game database. Absence data are provisional pending more extensive study, because coho may exist in some streams but only occur in some
years or may have resided in other reaches of streams not surveyed. This map/database groups data at the scale of entire streams, and differences in coho
presence/absence between different reaches in the same stream are not shown.
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