HydroBASINS lev08 watershed · #7080439780
Bassin de Oswego 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 5 administrative regions across 2 countries : Cayuga, Lake Ontario, Onondaga, Oswego
Sub-basin area
791,3km²
Upstream area
13 682,1km²
Discharge
265,97m³/s
Mean elev.
100m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Oneida River614 km²
- Bassin de Seneca River45 km²
5 dept-equivalent regions (GADM L2)
- Lake OntarioNew York · United States366.6 km²46.2% of basin
- OswegoNew York · United States359.4 km²45.3% of basin
- OnondagaNew York · United States52.7 km²6.6% of basin
- CayugaNew York · United States9.4 km²1.2% of basin
- 4.7 km²0.6% of basin
4 intersecting protected areas
Three Rivers
IUCN VWildlife Management Area
9.54 km² overlap
New York
IUCN VState Lands
0.24 km² overlap
Curtiss Gale
IUCN VWildlife Management Area
0.19 km² overlap
Reserve Program
0.12 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 065 distinct species · 354 635 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Oswego River : 21 espèces reliées par 67 interactions GloBI sur 3 types (connectance 13.5%, 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°
8,0°C
Annual rain
1 012mm
Moisture idx (CMI)
0,15
Runoff
655mm/an
PET
862mm
AET
679mm
Mean slope
0,8°
Water table
39cm
Forest
50%
Crops
18%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)