Ontologia

County · USA

Crittenden

United States

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

Species observed

1 477

Observations

10 094

Area

965,1km²

Ecological tissue

Sample of 38 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 Crittenden : 26 espèces reliées par 80 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
80
Connectance
0.108
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

1 477 distinct species · 10 094 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 094 obs · 28 cellules
Obs. / cellule
≥ 3 224
1 688–3 223
112–1 687
65–111
< 65

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

Climate

Mean T°

14,4°C

Annual rain

1 217mm

Warmest m°

31,4°C

Coldest m°

-1,9°C

Elevation: 143 m on average (min 100 m, max 206 m)

Bioclimatic detailsExpert
Annual mean temp.
14,4°C
Annual rain
1 217mm
Warmest month
31,4°C
Coldest month
-1,9°C
Mean alt.
143m
Min
100m
Max
206m
Std. dev.
25m
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

5,7

Org. C

22,5g/kg

Clay

27,3%

Sand

7,9%

Silt

64,8%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
43,9g/kg
Clay
26,0%
Sand
8,5%
Silt
65,5%
5–15 cm
pH H₂O
5,7
Org. C
15,2g/kg
Clay
26,2%
Sand
8,0%
Silt
65,7%
15–30 cm
pH H₂O
5,6
Org. C
8,2g/kg
Clay
29,7%
Sand
7,2%
Silt
63,0%

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

Land cover

Forest56.6%
Crops21.8%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)21.2%

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

Hydrology4 basins · 3 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

150,9km

Lake surface here

29,41km²

Basins crossed

4

Max stream order

8

Max drainage

370 941km²

Discharge in basins

2 256,9m³/s

Mean precip.

1 219mm/an

Mean T°

13,8°C

Moisture idx

0,01

Max snow

1%

Mean runoff

385mm/an

Mean elev. (basins)

144m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

26,4%

Pesticides

9,6kg/km²

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

Protected areas7

IUCN V · 7
Complete list

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