HydroBASINS lev08 watershed · #7080512980
Bassin de Sandy 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 6 administrative regions : Armstrong, Butler, Clarion, Crawford, Mercer +1
Sub-basin area
1 166,9km²
Upstream area
16 530,9km²
Discharge
307,01m³/s
Mean elev.
427m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Two Mile Run95 km²
- Bassin de French Creek37 km²
6 dept-equivalent regions (GADM L2)
- 776.6 km²66.5% of basin
- Mercer204.2 km²17.5% of basin
- 86.8 km²7.4% of basin
- Butler53.7 km²4.6% of basin
- Crawford42.3 km²3.6% of basin
- 4.9 km²0.4% of basin
9 intersecting protected areas
Allegheny, Pennsylvania
IUCN VWild and Scenic River
54.69 km² overlap
M.K. Goddard
IUCN IIIState Park
11.02 km² overlap
Reserve Program
1.43 km² overlap
Reserve Program
0.78 km² overlap
Tippery Meadows
IUCN VNatural Area
0.22 km² overlap
Wetlands Reserve Program (WRP), Chester, PA
IUCN Not AssignedReserve Program
0.19 km² overlap
Environmental System
0.10 km² overlap
Scenic River
0.03 km² overlap
Drusko
IUCN VPrivate Conservation
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 497 distinct species · 100 964 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 Sandy Creek : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 4 types (connectance 9.3%, filtre Serrano α=0.2). 12 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°
8,4°C
Annual rain
1 100mm
Moisture idx (CMI)
0,08
Runoff
583mm/an
PET
1 009mm
AET
811mm
Mean slope
4,3°
Water table
308cm
Forest
97%
Crops
11%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)