HydroBASINS lev08 watershed · #7080610630
Bassin de James 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 : Christian, Greene, Webster
Sub-basin area
853,1km²
Upstream area
853,1km²
Discharge
13,18m³/s
Mean elev.
431m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Webster432.9 km²50.7% of basin
- Greene343.7 km²40.3% of basin
- Christian76.8 km²9.0% of basin
5 intersecting protected areas
Compton Hollow
IUCN VConservation Area
3.39 km² overlap
Gardner Trust
IUCN VState Conservation Area or Park
0.25 km² overlap
Lone Pine
IUCN VPark
0.21 km² overlap
Crighton (Joe)
IUCN VAccess
0.03 km² overlap
State Conservation Area or Park
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 165 distinct species · 248 742 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 James River : 27 espèces reliées par 81 interactions GloBI sur 3 types (connectance 12.2%, 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°
12,9°C
Annual rain
1 098mm
Moisture idx (CMI)
-0,07
Runoff
452mm/an
PET
1 183mm
AET
913mm
Mean slope
2,0°
Water table
150cm
Forest
24%
Crops
48%
Urban
12%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)