HydroBASINS lev08 watershed · #7080506340
Bassin de Delaware 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 : Orange, Pike, Sullivan
Sub-basin area
71,1km²
Upstream area
7 957,4km²
Discharge
158,56m³/s
Mean elev.
315m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Mongaup River545 km²
- Bassin de Shohola Creek540 km²
3 dept-equivalent regions (GADM L2)
- OrangeNew York · United States48.6 km²68.3% of basin
- Pike20.9 km²29.4% of basin
- SullivanNew York · United States1.7 km²2.3% of basin
3 intersecting protected areas
Stairway
IUCN VIWild Area
2.09 km² overlap
Mongaup Valley
IUCN VWildlife Management Area
0.62 km² overlap
Cherry Island
IUCN VWildlife Management Area
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
536 distinct species · 5 287 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Delaware River : 28 espèces reliées par 114 interactions GloBI sur 4 types (connectance 13.2%, filtre Serrano α=0.2). 14 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 127mm
Moisture idx (CMI)
0,13
Runoff
635mm/an
PET
979mm
AET
802mm
Mean slope
5,0°
Water table
387cm
Forest
91%
Crops
3%
Urban
6%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)