| Area | Drakes Bay |
| Topic | Aquatic Invertebrates: Drakes Bay Tributaries EPT Taxa 1999 |
| Caption: The results displayed show the mean EPT (Ephemeroptera, Plecoptera, and Trichoptera) Taxa at several locations in tributaries of Drakes Bay during fall 1999. The reference value shown in the graph provides a regional comparison to preliminary scoring criteria developed by the California Department of Fish and Game for the Russian River Index of Biological Integrity using California Stream Bioassessment Procedure (CSBP) for first to third order streams (Harrington et al., 1999). This study found that EPT Taxa less than 12 reflected highly impaired conditions. The Point Reyes National Seashore collected these aquatic invertebrates according to the CSBP protocols and they were identified by aquatic entomologist John Lee. See Map for the location of sampling sites and Info Links for more information. | |
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To download the table with the chart's source data, click invert_pore_sum_1999.xls.db (size 6,144 bytes)
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