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Since 1994, the Iowa Department of Natural Resources and the State Hygienic Laboratory (SHL) have sampled fish and benthic macroinvertebrates across the state to assess the biological integrity of...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 06, 2026 at 06:58 AM -
The data contain information on the biological condition of streams within California as well as geospatial/field indicators of watershed or water quality. This dataset is associated with the...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: April 21, 2026 at 07:59 PM
