HydroBASINS lev08 watershed · #7080492310
Bassin de West Branch 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 5 administrative regions : Broome, Chenango, Delaware, Schoharie, Wayne
Sub-basin area
1 724km²
Upstream area
1 724km²
Discharge
35,11m³/s
Mean elev.
548m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- DelawareNew York · United States1362.3 km²78.9% of basin
- BroomeNew York · United States210.9 km²12.2% of basin
- Wayne134.9 km²7.8% of basin
- SchoharieNew York · United States11.8 km²0.7% of basin
- ChenangoNew York · United States6.8 km²0.4% of basin
11 intersecting protected areas
Bear Spring Mountain
IUCN VWildlife Management Area
3.04 km² overlap
NYC DEP-Public Access Area per Cooperative Agreement 2
IUCN Not AssignedAccess Area
2.46 km² overlap
Tompkins
IUCN VForest Preserve
2.03 km² overlap
West Branch
IUCN VPrivate Conservation Land
1.71 km² overlap
New York City Watershed
IUCN Not AssignedConservation Easement
0.55 km² overlap
Stamford
IUCN VForest Preserve
0.16 km² overlap
West Branch
IUCN VNature Preserve
0.16 km² overlap
State Conservation Area
0.09 km² overlap
Kerryville
IUCN IbState Forest
0.06 km² overlap
2 more protected areassorted by overlap area
Bloomville Water Dist 1
IUCN VWatershed Protection Area
0.00 km² overlap
Village Of Delhi 1
IUCN VWatershed Protection Area
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 995 distinct species · 126 652 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 West Branch Delaware River : 23 espèces reliées par 67 interactions GloBI sur 4 types (connectance 11.9%, 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°
6,4°C
Annual rain
1 099mm
Moisture idx (CMI)
0,18
Runoff
645mm/an
PET
899mm
AET
755mm
Mean slope
9,2°
Water table
491cm
Forest
76%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)