HydroBASINS lev08 watershed · #7080040190
Bassin de Great Egg Harbor 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 : Atlantic, Camden, Gloucester
Sub-basin area
837,1km²
Upstream area
837,1km²
Discharge
12,52m³/s
Mean elev.
26m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- 614.0 km²73.3% of basin
- 134.6 km²16.1% of basin
- Camden89.2 km²10.6% of basin
30 intersecting protected areas
Makepeace Lake
IUCN VWildlife Management Area
46.36 km² overlap
Tuckahoe
IUCN VWildlife Management Area
39.18 km² overlap
Winslow
IUCN VWildlife Management Area
34.36 km² overlap
Marine Protected Area
28.60 km² overlap
Great Egg Harbor River
IUCN VWildlife Management Area
26.20 km² overlap
Maple Lake
IUCN VWildlife Management Area
19.05 km² overlap
White Oak Branch
IUCN VWildlife Management Area
10.68 km² overlap
Hamilton
IUCN VPreserve
9.04 km² overlap
Mankiller
IUCN VPreserve
3.00 km² overlap
21 more protected areassorted by overlap area
Pancoast
IUCN VPreserve
1.64 km² overlap
Cedar Lake
IUCN VWildlife Management Area
1.57 km² overlap
Penny Pot
IUCN VPreserve
1.55 km² overlap
Wildlife
IUCN VRefuge
1.54 km² overlap
Reserve Program
1.32 km² overlap
Bears Head
IUCN VPreserve
1.26 km² overlap
Peaslee
IUCN VWildlife Management Area
1.24 km² overlap
Catawba
IUCN VPreserve
1.09 km² overlap
Hammonton Creek
IUCN VWildlife Management Area
1.07 km² overlap
Four Mile Branch
IUCN VPreserve
1.01 km² overlap
Thompsontown
IUCN VPreserve
0.94 km² overlap
Three Rivers
IUCN VPreserve
0.85 km² overlap
John's Woods
IUCN VPreserve
0.84 km² overlap
Atlantic Goose Ponds
IUCN VPond
0.77 km² overlap
Allen's Woods
IUCN VPreserve
0.73 km² overlap
Long-A-Coming
IUCN VPreserve
0.69 km² overlap
Penbryn Pond
IUCN VWildlife Management Area
0.56 km² overlap
Wildlife Preserves
IUCN VPreserve
0.54 km² overlap
Powell Creek
IUCN VNatural Area
0.50 km² overlap
Pomona Woods
IUCN VPreserve
0.44 km² overlap
Babcock Creek
IUCN VPreserve
0.42 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 403 distinct species · 172 265 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Great Egg Harbor River : 29 espèces reliées par 73 interactions GloBI sur 4 types (connectance 9.9%, filtre Serrano α=0.2). 10 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°
12,1°C
Annual rain
1 108mm
Moisture idx (CMI)
0,03
Runoff
609mm/an
PET
1 071mm
AET
830mm
Mean slope
0,4°
Water table
21cm
Forest
91%
Crops
9%
Urban
9%
Protected
21%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)