Ontologia

County · USA

De Kalb

United States

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

Species observed

3 812

Observations

54 101

Area

2 015,2km²

Ecological tissue

Sample of 47 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 De Kalb : 40 espèces reliées par 109 interactions GloBI sur 4 types (connectance 10.1%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
47
Interactions affichées
109
Connectance
0.101
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

3 812 distinct species · 54 101 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

54 101 obs · 60 cellules
Obs. / cellule
≥ 11 693
1 804–11 692
589–1 803
270–588
< 270

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

Climate

Mean T°

15,4°C

Annual rain

1 436mm

Warmest m°

30,0°C

Coldest m°

1,0°C

Elevation: 370 m on average (min 200 m, max 579 m)

Bioclimatic detailsExpert
Annual mean temp.
15,4°C
Annual rain
1 436mm
Warmest month
30,0°C
Coldest month
1,0°C
Mean alt.
370m
Min
200m
Max
579m
Std. dev.
69m
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

5,3

Org. C

23,4g/kg

Clay

27,1%

Sand

30,3%

Silt

42,6%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
44,0g/kg
Clay
24,2%
Sand
31,9%
Silt
43,9%
5–15 cm
pH H₂O
5,3
Org. C
17,9g/kg
Clay
25,9%
Sand
30,8%
Silt
43,3%
15–30 cm
pH H₂O
5,3
Org. C
8,4g/kg
Clay
31,4%
Sand
28,1%
Silt
40,5%

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

Land cover

Forest53.5%
Crops13.4%
Built-up1.0%
Bare soil0.3%
Other (grassland, water…)31.8%

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

Hydrology7 basins · 5 lakes · 24 rivers

Hydrology metrics for this exact territory

Stream length here

345,9km

Lake surface here

1,63km²

Basins crossed

7

Max stream order

3

Max drainage

61 683km²

Discharge in basins

337,6m³/s

Mean precip.

1 450mm/an

Mean T°

14,8°C

Moisture idx

0,10

Mean runoff

585mm/an

Mean elev. (basins)

320m

Rivers / streams (24, ord ≥ 4)

12 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

1,0nW

Built-up

99,1%

Pesticides

35,8kg/km²

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

Protected areas6

IUCN V · 4IUCN Not Assigned · 1IUCN III · 1

2013016

IUCN Not Assigned

Conservation Easement

2 km²

Desoto

IUCN III

State Park

1 km²

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