Quehanna
IUCN VIWild Area
182 km²
County · USA
Clearfield
United States
DfbCold, no dry season, warm summer(95 %)
Species observed
2 621
Observations
172 899
Area
2 994,1km²
Ecological tissue
Sample of 39 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Clearfield : 29 espèces reliées par 74 interactions GloBI sur 4 types (connectance 10.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
74
Connectance
0.100
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 621 distinct species · 172 899 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,8°C
Annual rain
1 228mm
Warmest m°
25,6°C
Coldest m°
-8,0°C
Elevation: 501 m on average (min 314 m, max 703 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,8°C
Annual rain
1 228mm
Warmest month
25,6°C
Coldest month
-8,0°C
Mean alt.
501m
Min
314m
Max
703m
Std. dev.
70m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(95 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
4,7
Org. C
66,3g/kg
Clay
23,4%
Sand
32,4%
Silt
44,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,6
Org. C
146,0g/kg
Clay
23,0%
Sand
32,9%
Silt
44,2%
5–15 cm
pH H₂O
4,7
Org. C
36,4g/kg
Clay
23,3%
Sand
32,3%
Silt
44,4%
15–30 cm
pH H₂O
4,8
Org. C
16,6g/kg
Clay
23,9%
Sand
32,1%
Silt
44,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest78.3%
Crops6.2%
Built-up0.4%
Bare soil0.1%
Other (grassland, water…)15.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology14 basins · 5 lakes · 44 rivers
Hydrology metrics for this exact territory
Stream length here
751,8km
Lake surface here
5,77km²
Basins crossed
14
Max stream order
5
Max drainage
4 114km²
Discharge in basins
201,0m³/s
Mean precip.
1 076mm/an
Mean T°
7,8°C
Moisture idx
0,09
Max snow
13%
Mean runoff
637mm/an
Mean elev. (basins)
518m
Watersheds crossing here
- Bassin de West Branch Susquehanna Riversub-area591,7 km²overlap592.44 km²20%
- Bassin de Clearfield Creeksub-area980,9 km²overlap557.32 km²19%
- Bassin de Moshannon Creeksub-area707 km²overlap262.33 km²9%
- Bassin de Driftwood Branch Sinnemahoning Creeksub-area2 693,6 km²overlap252.92 km²8%
- Bassin de West Branch Susquehanna Riversub-area538,3 km²overlap221.00 km²7%
- Bassin de West Branch Susquehanna Riversub-area192 km²overlap192.22 km²6%
- Bassin de Anderson Creeksub-area190,5 km²overlap190.73 km²6%
- Bassin de Redbank Creeksub-area1 489,7 km²overlap177.74 km²6%
- Bassin de West Branch Susquehanna Riversub-area441,6 km²overlap150.19 km²5%
5 more basinssorted by overlap
- Bassin de West Branch Susquehanna Riversub-area143,1 km²overlap143.33 km²5%
- Bassin de Chest Creeksub-area329,2 km²overlap142.15 km²5%
- Bassin de Mahoning Creeksub-area1 106,6 km²overlap109.32 km²4%
- Bassin de Little Toby Creeksub-area329 km²overlap2.29 km²0%
- Bassin de Frankstown Branch Juniata Riversub-area2 566,2 km²overlap0.13 km²0%
Lakes (5, top by area)
Rivers / streams (44, ord ≥ 4)
- West Branch Susquehanna Riverord 6len here204.16 km34%total609 km
- Clearfield Creekord 4len here95.16 km73%total130 km
- Moshannon Creekord 3len here43.73 km50%total87 km
- Anderson Creekord 3len here35.65 km100%total36 km
- Bennett Branch Sinnemahoning Creekord 5len here32.52 km41%total80 km
- Chest Creekord 3len here31.59 km45%total70 km
- Mosquito Creekord 3len here27.89 km64%total44 km
- Trout Runord 4len here24.42 km25%total99 km
- Sandy Lick Creekord 4len here23.80 km35%total68 km
- Little Clearfield Creekord 2len here22.52 km100%total23 km
- North Witmer Runord 2len here22.07 km100%total22 km
- Curry Runord 4len here14.23 km100%total14 km
32 more river segmentssorted by Strahler order + length
- Twelvemile Runord 2len here13.52 km100%total14 km
- Montgomery Runord 4len here12.85 km100%total13 km
- Little Laurel Runord 2len here11.43 km100%total11 km
- East Branch Little Muddy Runord 2len here10.12 km100%total10 km
- Beaver Runord 2len here9.88 km28%total35 km
- Moose Creekord 1len here9.00 km100%total9 km
- Upper Three Runsord 1len here8.82 km100%total9 km
- Bell Runord 1len here8.75 km100%total9 km
- Cole Runord 3len here8.48 km100%total8 km
- Laurel Runord 3len here8.04 km10%total80 km
- Little Anderson Creekord 2len here7.14 km100%total7 km
- Medix Runord 2len here6.52 km54%total12 km
- Kratzer Runord 2len here5.65 km100%total6 km
- Deer Creekord 3len here5.50 km8%total68 km
- Watts Creekord 1len here5.42 km100%total5 km
- Stony Runord 1len here5.30 km67%total8 km
- Horn Shanty Branchord 1len here4.77 km100%total5 km
- Fenton Runord 1len here4.71 km100%total5 km
- Emigh Runord 3len here3.94 km84%total5 km
- Wolf Runord 4len here3.76 km9%total43 km
- Roberts Runord 2len here3.66 km100%total4 km
- Little Medix Runord 1len here3.25 km100%total3 km
- Little Saunders Runord 1len here3.18 km100%total3 km
- Pentz Runord 1len here2.66 km100%total3 km
- North Branch Montgomery Creekord 1len here2.26 km100%total2 km
- Jack Dent Branchord 1len here2.15 km100%total2 km
- Coupler Runord 1len here1.81 km100%total2 km
- Boiling Spring Runord 1len here0.69 km101%total1 km
- Lower Three Runsord 1len here0.54 km6%total10 km
- Falls Creekord 2len here0.21 km1%total33 km
- Mahoning Creekord 4len here0.05 km0%total137 km
- Black Moshannon Creekord 2len here≈ tangenttotal29 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,5nW
Built-up
40,3%
Pesticides
5,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN VI · 2IUCN III · 2IUCN V · 1IUCN Not Assigned · 1
Bennet Branch
IUCN VForest · 2008
6 km²
Parker Dam
IUCN IIIState Park
4 km²
S.B. Elliott
IUCN IIIState Park
1 km²
Restricted
IUCN VIWild Area
1 km²
Buck Run
IUCN Not AssignedConservation Easement
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN