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Keyphrases
Frequency Distribution
100%
TP Concentration
100%
Nutrient Criteria
100%
Threshold Distribution
100%
Criteria Development
100%
Human Activities
66%
Native Taxa
66%
Mid-Atlantic
66%
Highlands
33%
Assessment Programs
33%
United States Environmental Protection Agency (USEPA)
33%
Environmental Assessment
33%
Stream nutrients
33%
Water Chemistry
33%
Regression Model
33%
Diversity Index
33%
Alkaline Phosphatase Activity
33%
Diatoms
33%
Physical Habitat
33%
Species Composition
33%
Low pH
33%
Criteria-based
33%
Conceptual Approach
33%
Chlorophyll a (Chl a)
33%
Diatom Species
33%
High pH
33%
Urban Land Use
33%
Natural Variability
33%
Taxonomic Composition
33%
Agricultural Land Use
33%
Nonlinear Relationship
33%
75th Percentile
33%
Biological Condition
33%
Ash-free Dry Mass
33%
Acid Phosphatase Activity
33%
Regression Tree Analysis
33%
P Enrichment
33%
Algal Assemblages
33%
Diversity Characteristics
33%
LOESS Regression
33%
Environmental Monitoring Program
33%
Reference Flow
33%
Highland Region
33%
Earth and Planetary Sciences
Frequency Distribution
100%
Diatom
100%
Environmental Protection Agency
50%
Environmental Assessment
50%
Diversity Index
50%
Urban Land Use
50%
Water Chemistry
50%
Upland Region
50%
Agriculture Land Use
50%
Environmental Monitoring
50%
Chlorophyll
50%
Agricultural and Biological Sciences
Watersheds
100%
Diatom
66%
Environmental Assessment
33%
Environmental Protection
33%
Environmental Monitoring
33%
Acid Phosphatase
33%
Land Use
33%
Alkaline Phosphatase
33%
Chlorophyll
33%
Immunology and Microbiology
Taxon
100%
Diatom
50%
Dry Mass
25%
Species Composition
25%
Phosphatase
25%