Ontologia

Independent City · USA

Radford

United States

CfaTemperate, no dry season, hot summer(100 %)

Species observed

587

Observations

155 001

Area

28km²

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

Indicateurs du tissu écologique

Tissu écologique de Radford : 20 espèces reliées par 59 interactions GloBI sur 4 types (connectance 11.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
59
Connectance
0.119
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

587 distinct species · 155 001 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

155 001 obs · 1 cellules
Obs. / cellule
≥ 155 001
155 001–155 000
155 001–155 000
155 001–155 000
< 155 001

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

12,3°C

Annual rain

929mm

Warmest m°

28,0°C

Coldest m°

-3,0°C

Elevation: 578 m on average (min 551 m, max 625 m)

Bioclimatic detailsExpert
Annual mean temp.
12,3°C
Annual rain
929mm
Warmest month
28,0°C
Coldest month
-3,0°C
Mean alt.
578m
Min
551m
Max
625m
Std. dev.
20m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

5,4

Org. C

35,6g/kg

Clay

24,6%

Sand

22,5%

Silt

52,9%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
73,2g/kg
Clay
22,9%
Sand
23,9%
Silt
53,3%
5–15 cm
pH H₂O
5,4
Org. C
22,3g/kg
Clay
22,6%
Sand
23,0%
Silt
54,4%
15–30 cm
pH H₂O
5,4
Org. C
11,3g/kg
Clay
28,4%
Sand
20,7%
Silt
50,9%

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

Land cover

Forest42.9%
Crops2.3%
Built-up5.3%
Bare soil0.8%
Other (grassland, water…)48.7%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

16,8km

Basins crossed

1

Max stream order

4

Max drainage

7 871km²

Discharge in basins

4,4m³/s

Mean precip.

988mm/an

Mean T°

10,9°C

Moisture idx

-0,13

Max snow

3%

Mean runoff

482mm/an

Mean elev. (basins)

684m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Night light

9,9nW

Built-up

533,3%

Pesticides

6,5kg/km²

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