Ontologia

County · USA

Arkansas

United States

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

Species observed

1 660

Observations

59 323

Area

2 677,2km²

Ecological tissue

Sample of 31 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 Arkansas : 20 espèces reliées par 103 interactions GloBI sur 3 types (connectance 20.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
103
Connectance
0.208
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

1 660 distinct species · 59 323 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

59 323 obs · 74 cellules
Obs. / cellule
≥ 16 139
1 764–16 138
571–1 763
237–570
< 237

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

Climate

Mean T°

17,3°C

Annual rain

1 328mm

Warmest m°

32,6°C

Coldest m°

1,9°C

Elevation: 55 m on average (min 35 m, max 67 m)

Bioclimatic detailsExpert
Annual mean temp.
17,3°C
Annual rain
1 328mm
Warmest month
32,6°C
Coldest month
1,9°C
Mean alt.
55m
Min
35m
Max
67m
Std. dev.
6m
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

5,9

Org. C

16,8g/kg

Clay

28,4%

Sand

7,4%

Silt

64,2%

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

Dominant lithology: wbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
31,5g/kg
Clay
27,7%
Sand
7,6%
Silt
64,6%
5–15 cm
pH H₂O
5,9
Org. C
12,4g/kg
Clay
27,9%
Sand
7,5%
Silt
64,6%
15–30 cm
pH H₂O
5,9
Org. C
6,7g/kg
Clay
29,5%
Sand
7,2%
Silt
63,3%

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

Land cover

Forest39.0%
Crops43.7%
Built-up0.2%
Bare soil0.7%
Other (grassland, water…)16.4%

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

Hydrology17 basins · 50 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

380,2km

Lake surface here

44,17km²

Basins crossed

17

Max stream order

7

Max drainage

409 027km²

Discharge in basins

2 839,3m³/s

Mean precip.

1 283mm/an

Mean T°

16,7°C

Moisture idx

-0,02

Mean runoff

606mm/an

Mean elev. (basins)

58m

Lakes (50, top by area)

41 more lakes

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

18,5%

Pesticides

15,4kg/km²

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

Protected areas13

IUCN V · 9IUCN Not Reported · 2IUCN IV · 1IUCN Not Assigned · 1

Bayou Meto

IUCN V

State Wildlife Management Area

130 km²

Complete list

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