Ontologia

State · usa

Virginia

United States

CfaTemperate, no dry season, hot summer(87 %)

Species observed

22 524

Observations

26 579 123

Area

103 744,6km²

Ecological tissue

Sample of 33 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

Indicateurs du tissu écologique

Tissu écologique de Virginia : 20 espèces reliées par 80 interactions GloBI sur 3 types (connectance 15.2%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
80
Connectance
0.151
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

22 524 distinct species · 26 579 123 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

26 579 123 obs · 62 cellules
Obs. / cellule
≥ 3 630 721
1 271 317–3 630 720
354 907–1 271 316
204 635–354 906
< 204 635

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

13,5°C

Annual rain

1 149mm

Warmest m°

29,4°C

Coldest m°

-1,9°C

Elevation: 304 m on average (min -16 m, max 1 621 m)

Bioclimatic detailsExpert
Annual mean temp.
13,5°C
Annual rain
1 149mm
Warmest month
29,4°C
Coldest month
-1,9°C
Mean alt.
304m
Min
-16m
Max
1 621m
Std. dev.
286m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(87 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,2

Org. C

37,7g/kg

Clay

24,6%

Sand

35,3%

Silt

40,1%

Average over 0-30 cm. Per-depth details in expert panel.

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
74,7g/kg
Clay
22,4%
Sand
36,6%
Silt
41,0%
5–15 cm
pH H₂O
5,2
Org. C
26,2g/kg
Clay
22,8%
Sand
36,3%
Silt
40,9%
15–30 cm
pH H₂O
5,3
Org. C
12,2g/kg
Clay
28,5%
Sand
33,0%
Silt
38,4%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest67.0%
Crops7.6%
Built-up0.9%
Bare soil0.3%
Other (grassland, water…)24.2%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology162 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

8 888,6km

Lake surface here

417,13km²

Basins crossed

162

Max stream order

6

Max drainage

30 317km²

Discharge in basins

5 361,9m³/s

Mean precip.

1 092mm/an

Mean T°

12,7°C

Moisture idx

-0,07

Max snow

10%

Mean runoff

443mm/an

Mean elev. (basins)

303m

Watersheds crossing here

153 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

1,8nW

Built-up

92,0%

Pesticides

11,8kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas100

IUCN V · 49IUCN Ib · 23IUCN IV · 18IUCN Not Assigned · 4IUCN III · 3IUCN Not Reported · 1IUCN II · 1IUCN VI · 1🌊 Marine · 34📍 Point sites · 1

Potomac

IUCN V

Wildlife Management Area

591 km²

Complete list

+ 40 protected areas (top 60 shown)

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations73