HydroBASINS lev08 watershed · #7080562570

Bassin de Blackwater 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 5 administrative regions : Grant, Pendleton, Pocahontas, Randolph, Tucker

Pfafstetter: 74269868

Sub-basin area

1 266,7km²

Upstream area

1 266,7km²

Discharge

24,93m³/s

Mean elev.

995m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Cheat River23 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

5 dept-equivalent regions (GADM L2)

Randolph
West Virginia · United States
637.9 km²
50.3% of basin
Tucker
West Virginia · United States
620.9 km²
49.0% of basin
Pocahontas
West Virginia · United States
5.5 km²
0.4% of basin
Grant
West Virginia · United States
2.6 km²
0.2% of basin
Pendleton
West Virginia · United States
0.7 km²
0.1% of basin

20 intersecting protected areas

Potomac
IUCN V
Wildlife Management Area
167.05 km² overlap
Beaver Dam
IUCN V
Wildlife Management Area
154.34 km² overlap
Otter Creek
IUCN V
Wildlife Management Area
150.32 km² overlap
Blackwater
IUCN V
Wildlife Management Area
98.83 km² overlap
Otter Creek
IUCN Ib
Wilderness
79.27 km² overlap
Dolly Sods
IUCN Ib
Wilderness
69.98 km² overlap
Canaan Valley
IUCN IV
National Wildlife Refuge
68.66 km² overlap
Laurel Fork North
IUCN Ib
Wilderness
47.77 km² overlap
Canaan Valley Resort
IUCN V
State Park
23.50 km² overlap

11 more protected areassorted by overlap area

Roaring Plains West
IUCN Ib
Wilderness
12.78 km² overlap
Little Canaan
IUCN V
Wildlife Management Area
12.43 km² overlap
Blackwater Falls
IUCN III
State Park
9.23 km² overlap
Little River
IUCN V
Wildlife Management Area
1.95 km² overlap
Fisher Spring Run Bog
IUCN III
National Natural Landmark
1.72 km² overlap
Big Run Bog
IUCN III
National Natural Landmark
1.66 km² overlap
Shavers Mountain
IUCN III
National Natural Landmark
1.04 km² overlap
Brooklyn Heights
IUCN V
Preserve
0.44 km² overlap
Mt Porte Crayon
IUCN V
Preserve
0.22 km² overlap
Bear Rocks
IUCN V
Preserve
0.14 km² overlap
Canaan Valley
IUCN Not Assigned
National Wildlife Refuge
0.00 km² overlap

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

Species present

4 507 distinct species · 205 367 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Blackwater River : 27 espèces reliées par 77 interactions GloBI sur 4 types (connectance 9.9%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.099

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°

7,9°C

Annual rain

1 299mm

Moisture idx (CMI)

0,25

Runoff

594mm/an

PET

967mm

AET

859mm

Mean slope

10,0°

Water table

457cm

Forest

94%

Crops

Urban

Protected

25%

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