HydroBASINS lev08 watershed · #7080040270
Bassin de Cohansey 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 : Cumberland, New Castle, Salem
Sub-basin area
1 292km²
Upstream area
1 292km²
Discharge
5,15m³/s
Mean elev.
13m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- Cumberland634.1 km²49.0% of basin
- 633.8 km²49.0% of basin
- 7.2 km²0.6% of basin
30 intersecting protected areas
Delaware Bay Estuary
IUCN Not ReportedWetland of International Importance (Ramsar Site)
388.54 km² overlap
Wildlife Management Area
36.96 km² overlap
Egg Island
IUCN VWildlife Management Area
32.43 km² overlap
Millville
IUCN VWildlife Management Area
30.09 km² overlap
Glades
IUCN VWildlife Refuge
26.98 km² overlap
Dix
IUCN VWildlife Management Area
19.35 km² overlap
Supawna Meadows
IUCN IVNational Wildlife Refuge
14.09 km² overlap
Dix Wildlife Management Area
IUCN VIMarine Protected Area
13.26 km² overlap
Marine Protected Area
12.11 km² overlap
21 more protected areassorted by overlap area
Salem River
IUCN VWildlife Management Area
10.69 km² overlap
New Sweden
IUCN VWildlife Management Area
9.67 km² overlap
Marine Protected Area
9.00 km² overlap
Thundergut Pond
IUCN VWildlife Management Area
8.82 km² overlap
Buckshutem
IUCN VWildlife Management Area
8.31 km² overlap
Abbotts Meadow
IUCN VWildlife Management Area
5.81 km² overlap
Cohansey River
IUCN VWildlife Management Area
5.51 km² overlap
Marine Protected Area
5.51 km² overlap
Fortescue
IUCN VWildlife Management Area
5.44 km² overlap
Marine Protected Area
5.36 km² overlap
Gumtree Corner
IUCN VWildlife Management Area
4.73 km² overlap
Nantuxent
IUCN VWildlife Management Area
4.68 km² overlap
Maskells Mills Pond
IUCN VWildlife Management Area
4.55 km² overlap
Lummis
IUCN VPond
4.49 km² overlap
Gandy's
IUCN VBeach
4.40 km² overlap
Private Conservation Land
4.02 km² overlap
Burden Hill
IUCN VPreserve
3.48 km² overlap
Reserve Program
3.05 km² overlap
Marine Protected Area
2.53 km² overlap
Watershed Protection
2.51 km² overlap
Gandy's
IUCN VBeach
1.67 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 394 distinct species · 396 045 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Cohansey River : 28 espèces reliées par 77 interactions GloBI sur 3 types (connectance 11.6%, filtre Serrano α=0.2). 9 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°
12,5°C
Annual rain
1 082mm
Moisture idx (CMI)
0,00
Runoff
594mm/an
PET
1 078mm
AET
826mm
Mean slope
0,6°
Water table
20cm
Forest
63%
Crops
36%
Urban
3%
Protected
24%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)