HydroBASINS lev08 watershed · #7080497020
Bassin de Towanda 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 4 administrative regions : Bradford, Lycoming, Sullivan, Tioga
Sub-basin area
714,9km²
Upstream area
714,9km²
Discharge
10,26m³/s
Mean elev.
484m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- Bradford664.5 km²92.8% of basin
- Tioga26.6 km²3.7% of basin
- Sullivan16.1 km²2.3% of basin
- 8.7 km²1.2% of basin
2 intersecting protected areas
Reserve Program
0.16 km² overlap
Devils Elbow
IUCN VINatural Area
0.15 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 213 distinct species · 19 452 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Towanda Creek : 29 espèces reliées par 77 interactions GloBI sur 4 types (connectance 9.4%, 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°
7,5°C
Annual rain
824mm
Moisture idx (CMI)
-0,13
Runoff
455mm/an
PET
947mm
AET
685mm
Mean slope
6,8°
Water table
432cm
Forest
89%
Crops
18%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)