Ontologia

County · USA

Arthur

United States

DfaCold, no dry season, hot summer(59 %)

Species observed

439

Observations

4 323

Area

1 867,2km²

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 Arthur : 27 espèces reliées par 119 interactions GloBI sur 4 types (connectance 16.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
119
Connectance
0.169
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

439 distinct species · 4 323 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 323 obs · 42 cellules
Obs. / cellule
≥ 1 356
297–1 355
79–296
20–78
< 20

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

Climate

Mean T°

8,9°C

Annual rain

522mm

Warmest m°

30,0°C

Coldest m°

-7,4°C

Elevation: 1 118 m on average (min 1 044 m, max 1 193 m)

Bioclimatic detailsExpert
Annual mean temp.
8,9°C
Annual rain
522mm
Warmest month
30,0°C
Coldest month
-7,4°C
Mean alt.
1 118m
Min
1 044m
Max
1 193m
Std. dev.
29m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(59 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,4

Org. C

19,8g/kg

Clay

18,5%

Sand

64,2%

Silt

17,3%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
32,1g/kg
Clay
18,9%
Sand
63,4%
Silt
17,7%
5–15 cm
pH H₂O
7,4
Org. C
16,5g/kg
Clay
18,4%
Sand
64,4%
Silt
17,2%
15–30 cm
pH H₂O
7,5
Org. C
10,7g/kg
Clay
18,2%
Sand
64,7%
Silt
17,1%

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

Land cover

Forest0.9%
Crops4.7%
Built-up0.0%
Bare soil2.6%
Other (grassland, water…)91.8%

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

Hydrology7 basins · 14 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

7,2km

Lake surface here

6,96km²

Basins crossed

7

Max stream order

2

Max drainage

77 180km²

Discharge in basins

35,7m³/s

Mean precip.

463mm/an

Mean T°

8,5°C

Moisture idx

-0,58

Max snow

8%

Mean runoff

14mm/an

Mean elev. (basins)

1 076m

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,9%

Pesticides

7,7kg/km²

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

Protected areas1

IUCN V · 1

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