First Sentence:
The ecological goal for the restoration and protection of freshwater ecosystems in the United States is based upon the Clean Water Act and Great Lakes Water Quality Agreement objectives of "biological integrity."
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Key Phrases - Statistically Improbable Phrases (SIPs):
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numeric biocriteria, least impacted reference sites, life use designations, modified reference sites, ecoregional biocriteria, modified warmwater habitat, percent shredders, metric deleted, biological criteria programs, toxic tolerant taxa, numeric biological criteria, reference site database, developing biological criteria, other impact types, saprobien system, ecosystem regionalities, habitat assessment techniques, numerical biological criteria, biosurvey results, tiered aquatic life, candidate reference sites, water resource integrity, exceptional warmwater habitat, ecoregion reference sites, biosurvey data
Key Phrases - Capitalized Phrases (CAPs):
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United States, Clean Water Act, Scioto River, Invertebrate Community Index, Muskingum River, Ottawa River, Project Heartbeat, Conesville Station, Toxic Conv, Complex Muni, Environmental Protection Agency, Hocking River, Ontario Lake Plain, New York State, North America, Erie Lake Plain, North Carolina, Illinois River, Qualitative Habitat Evaluation Index, Area of Degradation Value, Cuyahoga River, Flow Impd, Kokosing River, Lake Erie, Western Allegheny Plateau
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