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Probabilistic Sampling Databrowser

? Choose a data subset:
Contiguous 48 States EPA Region 1 EPA Region 2 EPA Region 3 EPA Region 4 EPA Region 5 EPA Region 6 EPA Region 7 EPA Region 8 EPA Region 9 EPA Region 10 Eastern Highlands (EHIGH) Plains and Lowlands (PLNLOW) Western Mountains (WMTNS) Coastal Plain (CPL) Northern Appalachians (NAP) Southern Appalachians (SAP) Upper Midwest (UMW) Temperate Plains (TPL) Northern Plains (NPL) Southern Plains (SPL) Western Mountains (WMT) Xeric West (XER)

? Display statistics as:
Map above box plots (no weights) Map above box plots (with weights) Map above CDF plots (with weights) Scatter plot

? Dependent (response) variable:
Watershed Area (sq km) % Watershed Forest (NLCD-41,42,43) % Watershed Wetlands (NLCD-91,92) % Watershed Urban (NLCD-21,22,23,85) % Watershed Ag (NLCD-81,82,83,84,61) Road density reported as km of Population density/km2 within watershed Sample site elevation (m) Annual Precipitation (m) Bank Angle--mean (degrees) Undercut Distance--Mean (m) Bankfull Width--Mean (m) Bankfull Height-Mean (m) Channel Incision Ht.-Mean (m) Rip Can & MidLayer Present (Frac. reach) Riparian 3-Layers Present (Fract. reach) Riparian mid & gnd Present (Frac. reach) Rip. mid & gnd herb Present (Frac. reach) Rip. mid & gnd wood Present (Frac. reach) Riparian Canopy > 0.3m DBH (Cover) Rip Ground Layer Barren (Cover) Riparian Veg Canopy Cover Riparian Veg Ground Layer Cover Rip Veg Canopy+Mid Layer Woody Cover Rip Veg Canopy+Mid+Ground Woody Cover Riparian Canopy Coniferous (Fract reach) Mean Bank Canopy Density (%) Mean Mid-channel Canopy Density (%) Mean Embeddedness--Channel+Margin (%) Fish Cvr-Filamentous Algae (Areal Prop) Fish Cvr-Aq. Macrophytes (Areal Prop) Fish Cvr-Large Woody Debris (Areal Prop) Fish Cvr-Brush&Small Debris (Areal Prop) Fish Cvr-Overhang Veg (Areal Prop) Fish Cvr-Undercut Banks (Areal Prop) Fish Cvr-Boulders (Areal Prop) Fish Cvr-Artif. Structs. (Areal Prop) Fish Cvr-All Types (Sum Areal Prop) Fish Cvr-Natural Types (Sum Areal Prop) Fish Cvr-LWD,RCK,UCBorHUM(Sum Area Prop) Rip Dist--Sum All Types (ProxWt Pres) Rip Dist--Sum NonAg Types (ProxWt Pres) Rip Dist--Sum Agric Types (ProxWt Pres) Rip Dist--Wall/Bank Revet. (ProxWt Pres) Rip Dist--Pipes infl/effl (ProxWt Pres) Substrate-Mean Log10(Diam Class mm) Log10[Erodible Substr Dia.(mm)]-Fast est Log10[Relative Bed Stability] - Fast est Log10[Erodible Substr Dia.(mm)]-Est. 2 Log10[Relative Bed Stability] - Est. 2 Length of sample reach (m) Channel Slope -- reach mean (%) Thalweg Mean Depth (cm) Resid Pools >75cm deep (number/reach) Resid Pools >100cm deep (number/reach) Maximum residual depth in reach (cm) Mean vert. profile area of RPs (m2/pool) Mean Residual Depth (m2/100m) Substrate Fines -- Silt/Clay/Muck (%) Substrate Sand -- .06-2 mm (%) Substrate Hardpan -- (%) Substrate Concrete (%) Substrate Sand & Fines -- <2 mm (%) Substrate <= Fine Gravel (<=16 mm) (%) Substrate >= Coarse Gravel (>16 mm) (%) Substrate Bedrock (%) Substrate Wood or Detritus -- (%) Substrate-StDev LOG10(Diam Class mm) LWD Vol in Bkf chnl (m3/m2-all sizes) LWD Vol in Bkf chnl (m3/m2-L,X) LWD Vol in/abv Bf chan(#/100m-all sizes) LWD Vol in/abv Bf chan (#/100m-L,X) Channel Sinuosity (m/m) Std Dev of Thalweg Depth (cm) Wetted Width -- Mean (m) Mean Width*Depth Product (m2) Mean Width/Depth Ratio (m/m) Std Dev of Width*Depth Product (m2) Falls (% of reach) Fast Wtr Hab (% riffle & faster) Slow Wtr Hab (% Glide & Pool) Pools -- All Types (% of reach) Dry Channel or Subsurf Flow (%) Side channel presence (% of reach) Total Macroinvert Abundance with OTU Total Macroinvert Abundance in Sample Total Number of Individuals Total Distinct Taxa Richness Percent of Individuals in Dominant Taxa Percent of Individuals in Top 3 Taxa Percent of Individuals in Top 5 Taxa Shannon Diversity Simpson Index Hilsenhoff Biotic Index Chironomid Distinct Taxa Richness Chironomid % Distinct Taxa Chironomid % Individuals Ephemeroptera Distinct Taxa Richness Ephemeroptera % Distinct Taxa Ephemeroptera % Individuals Plecoptera Distinct Taxa Richness Plecoptera % Distinct Taxa Plecoptera % Individuals Trichoptera Distinct Taxa Richness Trichoptera % Distinct Taxa Trichoptera % Individuals EPT Distinct Taxa Richness EPT % Distinct Taxa EPT % Individuals Non-Insect Distinct Taxa Richness Non-Insect % Distinct Taxa Non-Insect % Individuals Mollusc Distinct Taxa Richness Mollusc % Distinct Taxa Mollusc % Individuals Odonata Distinct Taxa Richness Odonata % Distinct Taxa Odonata % Individuals Trombidiforme Distinct Taxa Richness Trombidiforme % Distinct Taxa Trombidiforme % Individuals Coleoptera Distinct Taxa Richness Coleoptera % Distinct Taxa Coleoptera % Individuals Amphipod Distinct Taxa Richness Amphipod % Distinct Taxa Amphipod % Individuals Oligochaete/Leech Distinct Taxa Richness Oligochaete/Leech % Distinct Taxa Oligochaete/Leech % Individuals Collector-Filterer Distinct Taxa Richness Collector-Filterer % Distinct Taxa Collector-Filterer % Individuals Collector-Gatherer Distinct Taxa Richness Collector-Gatherer % Distinct Taxa Collector-Gatherer % Individuals Predator Distinct Taxa Richness Predator % Distinct Taxa Predator % Individuals Scraper Distinct Taxa Richness Scraper % Distinct Taxa Scraper % Individuals Shredder Distinct Taxa Richness Shredder % Distinct Taxa Shredder % Individuals Intolerant Distinct Taxa Richness Intolerant % Distinct Taxa Intolerant % Individuals Facultative Distinct Taxa Richness Facultative % Distinct Taxa Facultative % Individuals Tolerant Distinct Taxa Richness Tolerant % Distinct Taxa Tolerant % Individuals PTV 0-1.9 Distinct Taxa Richness PTV 0-1.9 % Distinct Taxa PTV 0-1.9 % Individuals PTV 2-3.9 Distinct Taxa Richness PTV 2-3.9 % Distinct Taxa PTV 2-3.9 % Individuals PTV 4-5.9 Distinct Taxa Richness PTV 4-5.9 % Distinct Taxa PTV 4-5.9 % Individuals PTV 6-7.9 Distinct Taxa Richness PTV 6-7.9 % Distinct Taxa PTV 6-7.9 % Individuals PTV 8-10 Distinct Taxa Richness PTV 8-10 % Distinct Taxa PTV 8-10 % Individuals Clinger Distinct Taxa Richness Clinger % Distinct Taxa Clinger % Individuals Burrower Distinct Taxa Richness Burrower % Distinct Taxa Burrower % Individuals Climber Distinct Taxa Richness Climber % Distinct Taxa Climber % Individuals Swimmer Distinct Taxa Richness Swimmer % Distinct Taxa Swimmer % Individuals Sprawler Distinct Taxa Richness Sprawler % Distinct Taxa Sprawler % Individuals PTV 0-3.9 % Individuals PTV 0-3.9 % Distinct Taxa PTV 0-3.9 Distinct Taxa Richness PTV 0-5.9 % Individuals PTV 0-5.9 % Distinct Taxa PTV 0-5.9 Distinct Taxa Richness PTV 0-7.9 % Individuals PTV 0-7.9 % Distinct Taxa PTV 0-7.9 Distinct Taxa Richness EXOTIC TAXA RICHNESS EXOTIC % INDIVIDUALS Richness Metric (based on Ephemeroptera richness) Pollution Tolerance Metric (based on Itolerant Richness) Composition Metric (based on %EPT taxa) Habit Metric (based on % Burrower taxa) Feeding Group Metric (based on Scraper richness) Diversity Metric (based on Shannon-Weiner Diversity) CONSISTENT 6 METRIC NATIONWIDE IBI Composition Best 6 MMI Scoring Diversity Best 6 MMI Scoring FFG Best 6 MMI Scoring Habit Best 6 MMI Scoring Richness Best 6 MMI Scoring Tolerance Best 6 MMI Scoring Best 6 WSA MMI O/E, 3-region model, Pc>=0.5 Closed Headspace pH Conductivity (uS/cm @ 25 C) Gran ANC (ueq/L) Turbidity (NTU) Total Suspended Solids (mg/L) Color (PCU) Dissolved Organic Carbon (mg/L) Dissolved Inorganic Carbon (mg/L) Total Phosphorus (ug/L) Dissolved Selenium (ug/L) Calcium (ueq/L) Magnesium (ueq/L) Sodium (ueq/L) Potassium (ueq/L) Ammonium (ueq/L) Sulfate (ueq/L) Nitrate (ueq/L) Chloride (ueq/L) Total Nitrogen (ug/L) Dissolved Zinc (ug/L) Silica (mg/L SiO2) H+ from PHSTVL (ueq/L) Hydroxide from PHSTVL (ueq/L) Calculated Bicarbonate (ueq/L) Calculated Carbonate (ueq/L) Calculated Alkalinity (ueq/L) Sum of Cations (ueq/L) Sum of Anions (ueq/L) Anion Deficit [C-A] (ueq/L) Sum of Base Cations (ueq/L) Ionic Strength (M) Ion Balance [C-A]/[C+A/2] (%) Est. Organic Anion (ueq/L) Calculated Conductivity (uS/cm) Debye-Huckel-Onsager Calc. Cond. (uS/cm)

? Independent (driver) variable:
Watershed Area (sq km) % Watershed Forest (NLCD-41,42,43) % Watershed Wetlands (NLCD-91,92) % Watershed Urban (NLCD-21,22,23,85) % Watershed Ag (NLCD-81,82,83,84,61) Road density reported as km of Population density/km2 within watershed Sample site elevation (m) Annual Precipitation (m) Bank Angle--mean (degrees) Undercut Distance--Mean (m) Bankfull Width--Mean (m) Bankfull Height-Mean (m) Channel Incision Ht.-Mean (m) Rip Can & MidLayer Present (Frac. reach) Riparian 3-Layers Present (Fract. reach) Riparian mid & gnd Present (Frac. reach) Rip. mid & gnd herb Present (Frac. reach) Rip. mid & gnd wood Present (Frac. reach) Riparian Canopy > 0.3m DBH (Cover) Rip Ground Layer Barren (Cover) Riparian Veg Canopy Cover Riparian Veg Ground Layer Cover Rip Veg Canopy+Mid Layer Woody Cover Rip Veg Canopy+Mid+Ground Woody Cover Riparian Canopy Coniferous (Fract reach) Mean Bank Canopy Density (%) Mean Mid-channel Canopy Density (%) Mean Embeddedness--Channel+Margin (%) Fish Cvr-Filamentous Algae (Areal Prop) Fish Cvr-Aq. Macrophytes (Areal Prop) Fish Cvr-Large Woody Debris (Areal Prop) Fish Cvr-Brush&Small Debris (Areal Prop) Fish Cvr-Overhang Veg (Areal Prop) Fish Cvr-Undercut Banks (Areal Prop) Fish Cvr-Boulders (Areal Prop) Fish Cvr-Artif. Structs. (Areal Prop) Fish Cvr-All Types (Sum Areal Prop) Fish Cvr-Natural Types (Sum Areal Prop) Fish Cvr-LWD,RCK,UCBorHUM(Sum Area Prop) Rip Dist--Sum All Types (ProxWt Pres) Rip Dist--Sum NonAg Types (ProxWt Pres) Rip Dist--Sum Agric Types (ProxWt Pres) Rip Dist--Wall/Bank Revet. (ProxWt Pres) Rip Dist--Pipes infl/effl (ProxWt Pres) Substrate-Mean Log10(Diam Class mm) Log10[Erodible Substr Dia.(mm)]-Fast est Log10[Relative Bed Stability] - Fast est Log10[Erodible Substr Dia.(mm)]-Est. 2 Log10[Relative Bed Stability] - Est. 2 Length of sample reach (m) Channel Slope -- reach mean (%) Thalweg Mean Depth (cm) Resid Pools >75cm deep (number/reach) Resid Pools >100cm deep (number/reach) Maximum residual depth in reach (cm) Mean vert. profile area of RPs (m2/pool) Mean Residual Depth (m2/100m) Substrate Fines -- Silt/Clay/Muck (%) Substrate Sand -- .06-2 mm (%) Substrate Hardpan -- (%) Substrate Concrete (%) Substrate Sand & Fines -- <2 mm (%) Substrate <= Fine Gravel (<=16 mm) (%) Substrate >= Coarse Gravel (>16 mm) (%) Substrate Bedrock (%) Substrate Wood or Detritus -- (%) Substrate-StDev LOG10(Diam Class mm) LWD Vol in Bkf chnl (m3/m2-all sizes) LWD Vol in Bkf chnl (m3/m2-L,X) LWD Vol in/abv Bf chan(#/100m-all sizes) LWD Vol in/abv Bf chan (#/100m-L,X) Channel Sinuosity (m/m) Std Dev of Thalweg Depth (cm) Wetted Width -- Mean (m) Mean Width*Depth Product (m2) Mean Width/Depth Ratio (m/m) Std Dev of Width*Depth Product (m2) Falls (% of reach) Fast Wtr Hab (% riffle & faster) Slow Wtr Hab (% Glide & Pool) Pools -- All Types (% of reach) Dry Channel or Subsurf Flow (%) Side channel presence (% of reach) Total Macroinvert Abundance with OTU Total Macroinvert Abundance in Sample Total Number of Individuals Total Distinct Taxa Richness Percent of Individuals in Dominant Taxa Percent of Individuals in Top 3 Taxa Percent of Individuals in Top 5 Taxa Shannon Diversity Simpson Index Hilsenhoff Biotic Index Chironomid Distinct Taxa Richness Chironomid % Distinct Taxa Chironomid % Individuals Ephemeroptera Distinct Taxa Richness Ephemeroptera % Distinct Taxa Ephemeroptera % Individuals Plecoptera Distinct Taxa Richness Plecoptera % Distinct Taxa Plecoptera % Individuals Trichoptera Distinct Taxa Richness Trichoptera % Distinct Taxa Trichoptera % Individuals EPT Distinct Taxa Richness EPT % Distinct Taxa EPT % Individuals Non-Insect Distinct Taxa Richness Non-Insect % Distinct Taxa Non-Insect % Individuals Mollusc Distinct Taxa Richness Mollusc % Distinct Taxa Mollusc % Individuals Odonata Distinct Taxa Richness Odonata % Distinct Taxa Odonata % Individuals Trombidiforme Distinct Taxa Richness Trombidiforme % Distinct Taxa Trombidiforme % Individuals Coleoptera Distinct Taxa Richness Coleoptera % Distinct Taxa Coleoptera % Individuals Amphipod Distinct Taxa Richness Amphipod % Distinct Taxa Amphipod % Individuals Oligochaete/Leech Distinct Taxa Richness Oligochaete/Leech % Distinct Taxa Oligochaete/Leech % Individuals Collector-Filterer Distinct Taxa Richness Collector-Filterer % Distinct Taxa Collector-Filterer % Individuals Collector-Gatherer Distinct Taxa Richness Collector-Gatherer % Distinct Taxa Collector-Gatherer % Individuals Predator Distinct Taxa Richness Predator % Distinct Taxa Predator % Individuals Scraper Distinct Taxa Richness Scraper % Distinct Taxa Scraper % Individuals Shredder Distinct Taxa Richness Shredder % Distinct Taxa Shredder % Individuals Intolerant Distinct Taxa Richness Intolerant % Distinct Taxa Intolerant % Individuals Facultative Distinct Taxa Richness Facultative % Distinct Taxa Facultative % Individuals Tolerant Distinct Taxa Richness Tolerant % Distinct Taxa Tolerant % Individuals PTV 0-1.9 Distinct Taxa Richness PTV 0-1.9 % Distinct Taxa PTV 0-1.9 % Individuals PTV 2-3.9 Distinct Taxa Richness PTV 2-3.9 % Distinct Taxa PTV 2-3.9 % Individuals PTV 4-5.9 Distinct Taxa Richness PTV 4-5.9 % Distinct Taxa PTV 4-5.9 % Individuals PTV 6-7.9 Distinct Taxa Richness PTV 6-7.9 % Distinct Taxa PTV 6-7.9 % Individuals PTV 8-10 Distinct Taxa Richness PTV 8-10 % Distinct Taxa PTV 8-10 % Individuals Clinger Distinct Taxa Richness Clinger % Distinct Taxa Clinger % Individuals Burrower Distinct Taxa Richness Burrower % Distinct Taxa Burrower % Individuals Climber Distinct Taxa Richness Climber % Distinct Taxa Climber % Individuals Swimmer Distinct Taxa Richness Swimmer % Distinct Taxa Swimmer % Individuals Sprawler Distinct Taxa Richness Sprawler % Distinct Taxa Sprawler % Individuals PTV 0-3.9 % Individuals PTV 0-3.9 % Distinct Taxa PTV 0-3.9 Distinct Taxa Richness PTV 0-5.9 % Individuals PTV 0-5.9 % Distinct Taxa PTV 0-5.9 Distinct Taxa Richness PTV 0-7.9 % Individuals PTV 0-7.9 % Distinct Taxa PTV 0-7.9 Distinct Taxa Richness EXOTIC TAXA RICHNESS EXOTIC % INDIVIDUALS Richness Metric (based on Ephemeroptera richness) Pollution Tolerance Metric (based on Itolerant Richness) Composition Metric (based on %EPT taxa) Habit Metric (based on % Burrower taxa) Feeding Group Metric (based on Scraper richness) Diversity Metric (based on Shannon-Weiner Diversity) CONSISTENT 6 METRIC NATIONWIDE IBI Composition Best 6 MMI Scoring Diversity Best 6 MMI Scoring FFG Best 6 MMI Scoring Habit Best 6 MMI Scoring Richness Best 6 MMI Scoring Tolerance Best 6 MMI Scoring Best 6 WSA MMI O/E, 3-region model, Pc>=0.5 Closed Headspace pH Conductivity (uS/cm @ 25 C) Gran ANC (ueq/L) Turbidity (NTU) Total Suspended Solids (mg/L) Color (PCU) Dissolved Organic Carbon (mg/L) Dissolved Inorganic Carbon (mg/L) Total Phosphorus (ug/L) Dissolved Selenium (ug/L) Calcium (ueq/L) Magnesium (ueq/L) Sodium (ueq/L) Potassium (ueq/L) Ammonium (ueq/L) Sulfate (ueq/L) Nitrate (ueq/L) Chloride (ueq/L) Total Nitrogen (ug/L) Dissolved Zinc (ug/L) Silica (mg/L SiO2) H+ from PHSTVL (ueq/L) Hydroxide from PHSTVL (ueq/L) Calculated Bicarbonate (ueq/L) Calculated Carbonate (ueq/L) Calculated Alkalinity (ueq/L) Sum of Cations (ueq/L) Sum of Anions (ueq/L) Anion Deficit [C-A] (ueq/L) Sum of Base Cations (ueq/L) Ionic Strength (M) Ion Balance [C-A]/[C+A/2] (%) Est. Organic Anion (ueq/L) Calculated Conductivity (uS/cm) Debye-Huckel-Onsager Calc. Cond. (uS/cm)

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