HydroBASINS lev08 watershed · #7080566600
Bassin de South Fork Shenandoah 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 9 administrative regions : Albemarle, Greene, Harrisonburg, Madison, Page +4
Sub-basin area
1 555,4km²
Upstream area
4 264,7km²
Discharge
47,9m³/s
Mean elev.
427m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de South River637 km²
- Bassin de North River66 km²
9 dept-equivalent regions (GADM L2)
- Page780.7 km²50.2% of basin
- Rockingham505.6 km²32.5% of basin
- Warren245.1 km²15.7% of basin
- Madison6.4 km²0.4% of basin
- 6.2 km²0.4% of basin
- 5.4 km²0.3% of basin
- Greene4.3 km²0.3% of basin
- 2.9 km²0.2% of basin
1 moreFull L2 list
- Harrisonburg0.0 km² · 0.0%
7 intersecting protected areas
Shenandoah
IUCN IINational Park
348.78 km² overlap
Shenandoah
IUCN IbWilderness Area
135.70 km² overlap
Andy Guest/Shenandoah River
IUCN IIIState Park
6.57 km² overlap
Deep Run Ponds
IUCN VNatural Area Preserve
2.86 km² overlap
Southern Shenandoah
IUCN VEasement
0.69 km² overlap
Smoot
IUCN VState Wildlife Management Area
0.56 km² overlap
Reserve Program
0.32 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 528 distinct species · 310 608 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 South Fork Shenandoah River : 25 espèces reliées par 74 interactions GloBI sur 4 types (connectance 10.0%, 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°
11,1°C
Annual rain
1 026mm
Moisture idx (CMI)
-0,08
Runoff
378mm/an
PET
1 123mm
AET
832mm
Mean slope
8,2°
Water table
357cm
Forest
90%
Crops
16%
Urban
0%
Protected
23%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)