HydroBASINS lev08 watershed · #7080503000
Bassin de Tionesta 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 : Clarion, Elk, Forest, Mc Kean, Warren
Sub-basin area
1 238,3km²
Upstream area
1 238,3km²
Discharge
24,93m³/s
Mean elev.
525m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 543.5 km²43.8% of basin
- Warren434.8 km²35.1% of basin
- 148.3 km²12.0% of basin
- 64.5 km²5.2% of basin
- 48.9 km²3.9% of basin
8 intersecting protected areas
Tionesta
IUCN IIINational Natural Landmark
16.64 km² overlap
Tionesta
IUCN IaResearch Natural Area
8.54 km² overlap
Chapman
IUCN IIIState Park
3.18 km² overlap
Martin Run
IUCN VPrivate Conservation
1.18 km² overlap
WPC
IUCN VEasement
0.30 km² overlap
Allegheny, Pennsylvania
IUCN VWild and Scenic River
0.22 km² overlap
Hearts Content
IUCN IIINational Natural Landmark
0.17 km² overlap
Hickory Creek
IUCN IbWilderness
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 171 distinct species · 65 241 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Tionesta Creek : 34 espèces reliées par 78 interactions GloBI sur 4 types (connectance 8.2%, 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°
7,2°C
Annual rain
1 147mm
Moisture idx (CMI)
0,16
Runoff
622mm/an
PET
963mm
AET
801mm
Mean slope
6,1°
Water table
391cm
Forest
99%
Crops
0%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)