Ontologia

County · USA

Randolph

United States

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

Species observed

2 667

Observations

26 850

Area

1 508,1km²

Ecological tissue

Sample of 45 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 Randolph : 34 espèces reliées par 79 interactions GloBI sur 3 types (connectance 8.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
79
Connectance
0.080
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

2 667 distinct species · 26 850 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

26 850 obs · 41 cellules
Obs. / cellule
≥ 9 859
1 264–9 858
465–1 263
156–464
< 156

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

Climate

Mean T°

16,6°C

Annual rain

1 392mm

Warmest m°

30,9°C

Coldest m°

2,6°C

Elevation: 288 m on average (min 200 m, max 422 m)

Bioclimatic detailsExpert
Annual mean temp.
16,6°C
Annual rain
1 392mm
Warmest month
30,9°C
Coldest month
2,6°C
Mean alt.
288m
Min
200m
Max
422m
Std. dev.
44m
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

5,2

Org. C

22,4g/kg

Clay

23,3%

Sand

45,4%

Silt

31,3%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
43,8g/kg
Clay
19,8%
Sand
47,8%
Silt
32,4%
5–15 cm
pH H₂O
5,2
Org. C
16,3g/kg
Clay
20,8%
Sand
47,1%
Silt
32,1%
15–30 cm
pH H₂O
5,2
Org. C
7,1g/kg
Clay
29,3%
Sand
41,2%
Silt
29,5%

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

Land cover

Forest69.3%
Crops4.5%
Built-up0.4%
Bare soil0.3%
Other (grassland, water…)25.4%

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

Hydrology5 basins · 5 lakes · 31 rivers

Hydrology metrics for this exact territory

Stream length here

414,5km

Lake surface here

25,59km²

Basins crossed

5

Max stream order

5

Max drainage

7 220km²

Discharge in basins

42,7m³/s

Mean precip.

1 437mm/an

Mean T°

15,8°C

Moisture idx

0,04

Max snow

1%

Mean runoff

496mm/an

Mean elev. (basins)

293m

Rivers / streams (31, ord ≥ 4)

19 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

43,5%

Pesticides

3,7kg/km²

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

Protected areas3

IUCN Not Assigned · 3

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