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Benthic diatoms in USA rivers: distributions along spatial and environmental gradients |
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| Authors: | Marina G Potapova & Donald F Charles |
| Institution: | Patrick Center for Environmental Research, The Academy of Natural Sciences, Benjamin Franklin Parkway, 1900 Philadelphia, PA, 19103 USA |
| Abstract: | |
| Keywords: | Benthic diatoms rivers multivariate analysis ecoregions ecological gradients biogeography water quality indicators |