HydroBASINS lev08 watershed · #7080492010
Bassin de Chemung 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 3 administrative regions : Bradford, Chemung, Tioga
Sub-basin area
478,6km²
Upstream area
6 659km²
Discharge
83,07m³/s
Mean elev.
406m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Chemung River657 km²
- Bassin de South Creek377 km²
3 dept-equivalent regions (GADM L2)
- ChemungNew York · United States279.9 km²58.4% of basin
- Bradford192.4 km²40.1% of basin
- TiogaNew York · United States7.0 km²1.5% of basin
4 intersecting protected areas
Chemung County Lands
IUCN VLocal Conservation Area
0.74 km² overlap
Reserve Program
0.44 km² overlap
Reserve Program
0.01 km² overlap
New York
IUCN VState Lands
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
987 distinct species · 22 060 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Chemung River : 24 espèces reliées par 68 interactions GloBI sur 4 types (connectance 11.4%, filtre Serrano α=0.2). 11 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
858mm
Moisture idx (CMI)
-0,12
Runoff
432mm/an
PET
971mm
AET
711mm
Mean slope
7,1°
Water table
432cm
Forest
79%
Crops
13%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)