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redd counts

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Montana Water Trust - Benefitting Landowners, Streamflows and Communities
Redd Counts-Spawner Surveys: Redd counts, or spawner surveys, are an above-water survey to detect the presence of ... gravel, variable in size- depending upon the fish species. The Montana Water Trust applies redd counts on project streams that are recognized as spawning tributaries to larger systems. Fish Traps: ...
www.montanawatertrust.org