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| Subject |
|---|
| Bacillariophyta [1] |
| bank erosion [1] |
| Bat [2] |
| Bear [1] |
| Benthic habitat [1] |
| benthic habitat [1] |
| biomass [1] |
| biophysical attributes [1] |
| Black [3] |
| Bosmina [1] |
| bryozoans [1] |