Ontologia

County · USA

Decatur

United States

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

Species observed

2 430

Observations

133 855

Area

1 611,9km²

Ecological tissue

Sample of 39 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 Decatur : 27 espèces reliées par 74 interactions GloBI sur 3 types (connectance 10.0%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
74
Connectance
0.100
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

2 430 distinct species · 133 855 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

133 855 obs · 44 cellules
Obs. / cellule
≥ 64 982
3 934–64 981
705–3 933
233–704
< 233

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

Climate

Mean T°

19,3°C

Annual rain

1 415mm

Warmest m°

32,2°C

Coldest m°

6,1°C

Elevation: 52 m on average (min 21 m, max 96 m)

Bioclimatic detailsExpert
Annual mean temp.
19,3°C
Annual rain
1 415mm
Warmest month
32,2°C
Coldest month
6,1°C
Mean alt.
52m
Min
21m
Max
96m
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

22,1g/kg

Clay

17,9%

Sand

65,9%

Silt

16,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
43,8g/kg
Clay
16,9%
Sand
66,8%
Silt
16,3%
5–15 cm
pH H₂O
5,4
Org. C
13,7g/kg
Clay
16,9%
Sand
66,9%
Silt
16,3%
15–30 cm
pH H₂O
5,4
Org. C
8,8g/kg
Clay
20,1%
Sand
64,0%
Silt
16,0%

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

Land cover

Forest49.5%
Crops21.0%
Built-up0.3%
Bare soil0.5%
Other (grassland, water…)28.7%

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

Hydrology8 basins · 6 lakes · 19 rivers

Hydrology metrics for this exact territory

Stream length here

272,8km

Lake surface here

43,07km²

Basins crossed

8

Max stream order

5

Max drainage

46 214km²

Discharge in basins

457,0m³/s

Mean precip.

1 387mm/an

Mean T°

19,3°C

Moisture idx

-0,07

Max snow

1%

Mean runoff

475mm/an

Mean elev. (basins)

60m

Watersheds crossing here

Lakes (6, top by area)

Rivers / streams (19, ord ≥ 4)

7 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,7nW

Built-up

35,3%

Pesticides

56,2kg/km²

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

Protected areas6

IUCN V · 4IUCN Not Assigned · 2

Unspecified

IUCN Not Assigned

Conservation Easement

0 km²

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