HydroBASINS lev08 watershed · #7080532610
Bassin de Little Conemaugh River
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 3 administrative regions : Bedford, Cambria, Somerset
Sub-basin area
484km²
Upstream area
484,1km²
Discharge
8,73m³/s
Mean elev.
633m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 483.3 km²99.7% of basin
- Somerset0.9 km²0.2% of basin
- 0.3 km²0.1% of basin
2 intersecting protected areas
Allegheny Portage Railroad
IUCN IIINational Historic Site
0.82 km² overlap
Johnstown Flood
IUCN IIINational Memorial
0.69 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 838 distinct species · 29 907 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Little Conemaugh River : 33 espèces reliées par 81 interactions GloBI sur 4 types (connectance 7.5%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
8,1°C
Annual rain
1 137mm
Moisture idx (CMI)
0,13
Runoff
568mm/an
PET
987mm
AET
810mm
Mean slope
5,5°
Water table
320cm
Forest
76%
Crops
14%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)