HydroBASINS lev08 watershed · #7080595560

Bassin de Rivanna 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 10 administrative regions : Albemarle, Augusta, Charlottesville, Fluvanna, Goochland +5

2% lakePfafstetter: 73190620

Sub-basin area

1 995,5km²

Upstream area

1 995,5km²

Discharge

29,77m³/s

Mean elev.

227m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Rivanna River27 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

10 dept-equivalent regions (GADM L2)

Albemarle
Virginia · United States
1283.0 km²
64.3% of basin
Fluvanna
Virginia · United States
384.2 km²
19.2% of basin
Greene
Virginia · United States
240.5 km²
12.0% of basin
Louisa
Virginia · United States
38.3 km²
1.9% of basin
Charlottesville
Virginia · United States
30.5 km²
1.5% of basin
Orange
Virginia · United States
17.4 km²
0.9% of basin
Rockingham
Virginia · United States
1.7 km²
0.1% of basin
Augusta
Virginia · United States
0.7 km²
0.0% of basin

2 moreFull L2 list

Nelson0.5 km² · 0.0%
Goochland0.0 km² · 0.0%

15 intersecting protected areas

Shenandoah
IUCN II
National Park
81.92 km² overlap
The Nature Conservancy
IUCN V
Easement
16.09 km² overlap
Shenandoah
IUCN Ib
Wilderness Area
15.47 km² overlap
Southwest Mountains
IUCN V
Conservation Easement
4.91 km² overlap
Biscuit Run
IUCN III
State Park
4.74 km² overlap
Rivanna Watershed
IUCN V
Watershed
2.97 km² overlap
Walnut Mountain
IUCN V
Private Conservation Land
1.56 km² overlap
Alb-Vof-4048
IUCN Not Assigned
Conservation Easement
1.53 km² overlap
Pigeon Top Mountain
IUCN V
Private Conservation Land
0.62 km² overlap

6 more protected areassorted by overlap area

VOF
IUCN Not Assigned
Easement
0.58 km² overlap
Rapidan
IUCN V
Wildlife Management Area
0.30 km² overlap
Fernbrook
IUCN V
Natural Area
0.24 km² overlap
Albemarle Ace
IUCN Not Assigned
Easement
0.14 km² overlap
Flu-Vof-4087
IUCN Not Assigned
Conservation Easement
0.04 km² overlap
Southern Shenandoah Fee
IUCN V
Private Conservation Land
0.03 km² overlap

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

Species present

4 619 distinct species · 1 490 390 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 32 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 Rivanna River : 21 espèces reliées par 59 interactions GloBI sur 4 types (connectance 11.2%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.112

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°

12,9°C

Annual rain

1 105mm

Moisture idx (CMI)

-0,06

Runoff

431mm/an

PET

1 180mm

AET

886mm

Mean slope

5,1°

Water table

230cm

Forest

97%

Crops

13%

Urban

Protected

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