HydroBASINS lev08 watershed · #7080494940
Bassin de Allegheny 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 1 administrative regions : Warren
Sub-basin area
70,9km²
Upstream area
8 141,6km²
Discharge
147,37m³/s
Mean elev.
470m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Conewango Creek2371 km²
- Bassin de Allegheny River148 km²
1 dept-equivalent regions (GADM L2)
- Warren71.0 km²100.0% of basin
1 intersecting protected areas
Allegheny, Pennsylvania
IUCN VWild and Scenic River
0.40 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
761 distinct species · 9 700 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Allegheny River : 26 espèces reliées par 62 interactions GloBI sur 4 types (connectance 9.8%, filtre Serrano α=0.2). 10 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°
7,7°C
Annual rain
1 151mm
Moisture idx (CMI)
0,16
Runoff
563mm/an
PET
970mm
AET
799mm
Mean slope
6,8°
Water table
463cm
Forest
87%
Crops
6%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)