HydroBASINS lev08 watershed · #7080565050

Bassin de North Fork South Branch Potomac 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 6 administrative regions : Grant, Highland, Pendleton, Pocahontas, Randolph +1

Pfafstetter: 73180908

Sub-basin area

837,4km²

Upstream area

837,4km²

Discharge

13m³/s

Mean elev.

905m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de South Branch Potomac River45 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

6 dept-equivalent regions (GADM L2)

Pendleton
West Virginia · United States
598.0 km²
71.4% of basin
Grant
West Virginia · United States
124.0 km²
14.8% of basin
Highland
Virginia · United States
91.3 km²
10.9% of basin
Randolph
West Virginia · United States
17.1 km²
2.0% of basin
Tucker
West Virginia · United States
4.3 km²
0.5% of basin
Pocahontas
West Virginia · United States
3.3 km²
0.4% of basin

11 intersecting protected areas

Potomac
IUCN V
Wildlife Management Area
307.38 km² overlap
Roaring Plains West
IUCN Ib
Wilderness
14.71 km² overlap
The Nature Conservancy
IUCN V
Easement
5.49 km² overlap
Little River
IUCN V
Wildlife Management Area
2.01 km² overlap
Dolly Sods
IUCN Ib
Wilderness
1.73 km² overlap
Laurel Fork
IUCN V
Private Conservation Land
1.47 km² overlap
Woodlands Institute
IUCN V
PCL
1.41 km² overlap
Panther Knob
IUCN V
Preserve
1.07 km² overlap
Pike Knob
IUCN V
Preserve
1.03 km² overlap

2 more protected areassorted by overlap area

Fisher Spring Run Bog
IUCN III
National Natural Landmark
0.30 km² overlap
Mt Porte Crayon
IUCN V
Preserve
0.05 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

3 163 distinct species · 102 426 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 43 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de North Fork South Branch Potomac River : 33 espèces reliées par 88 interactions GloBI sur 5 types (connectance 9.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.098

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

8,6°C

Annual rain

1 165mm

Moisture idx (CMI)

0,13

Runoff

518mm/an

PET

1 002mm

AET

834mm

Mean slope

14,5°

Water table

506cm

Forest

100%

Crops

Urban

Protected

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)