Ontologia

County · USA

Webb

United States

BShArid, steppe, hot(100 %)

Species observed

1 971

Observations

204 755

Area

8 752,9km²

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 Webb : 31 espèces reliées par 78 interactions GloBI sur 4 types (connectance 9.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
78
Connectance
0.095
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

1 971 distinct species · 204 755 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

204 755 obs · 197 cellules
Obs. / cellule
≥ 31 419
1 033–31 418
179–1 032
56–178
< 56

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

Climate

Mean T°

23,2°C

Annual rain

536mm

Warmest m°

36,9°C

Coldest m°

9,8°C

Elevation: 179 m on average (min 87 m, max 283 m)

Bioclimatic detailsExpert
Annual mean temp.
23,2°C
Annual rain
536mm
Warmest month
36,9°C
Coldest month
9,8°C
Mean alt.
179m
Min
87m
Max
283m
Std. dev.
39m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid

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

Soil & lithology

pH H₂O

7,8

Org. C

12,9g/kg

Clay

31,5%

Sand

38,2%

Silt

30,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
18,8g/kg
Clay
30,0%
Sand
39,4%
Silt
30,5%
5–15 cm
pH H₂O
7,8
Org. C
11,8g/kg
Clay
30,8%
Sand
38,7%
Silt
30,5%
15–30 cm
pH H₂O
7,8
Org. C
8,2g/kg
Clay
33,7%
Sand
36,6%
Silt
29,7%

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

Land cover

Forest21.1%
Crops3.2%
Built-up0.4%
Bare soil4.5%
Other (grassland, water…)70.9%

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

Hydrology21 basins · 19 lakes · 32 rivers

Hydrology metrics for this exact territory

Stream length here

544,8km

Lake surface here

7,75km²

Basins crossed

21

Max stream order

7

Max drainage

364 041km²

Discharge in basins

476,6m³/s

Mean precip.

517mm/an

Mean T°

22,4°C

Moisture idx

-0,69

Mean runoff

18mm/an

Mean elev. (basins)

168m

Rivers / streams (32, ord ≥ 4)

20 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

1,7nW

Built-up

35,9%

Pesticides

2,1kg/km²

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