HydroBASINS lev08 watershed · #7080504580
Bassin de East Branch Oil Creek
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 5 administrative regions : Crawford, Erie, Forest, Venango, Warren
Sub-basin area
844km²
Upstream area
844,1km²
Discharge
15,64m³/s
Mean elev.
466m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- Crawford456.4 km²54.0% of basin
- 188.6 km²22.3% of basin
- Warren181.1 km²21.4% of basin
- Erie17.8 km²2.1% of basin
- 1.4 km²0.2% of basin
6 intersecting protected areas
Oil Creek
IUCN VState Park
28.98 km² overlap
Reserve Program
0.51 km² overlap
Reserve Program
0.11 km² overlap
Reserve Program
0.11 km² overlap
Reserve Program
0.08 km² overlap
Allegheny, Pennsylvania
IUCN VWild and Scenic River
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 588 distinct species · 48 960 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 East Branch Oil Creek : 28 espèces reliées par 58 interactions GloBI sur 4 types (connectance 8.3%, 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 148mm
Moisture idx (CMI)
0,16
Runoff
567mm/an
PET
964mm
AET
801mm
Mean slope
4,0°
Water table
298cm
Forest
99%
Crops
12%
Urban
1%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)