Ontologia

County · USA

Stewart

United States

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

Species observed

890

Observations

19 190

Area

1 212,7km²

Ecological tissue

Sample of 42 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 Stewart : 33 espèces reliées par 90 interactions GloBI sur 4 types (connectance 10.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
90
Connectance
0.104
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

890 distinct species · 19 190 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 190 obs · 34 cellules
Obs. / cellule
≥ 5 621
3 225–5 620
142–3 224
71–141
< 71

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

Climate

Mean T°

18,2°C

Annual rain

1 329mm

Warmest m°

32,2°C

Coldest m°

4,3°C

Elevation: 127 m on average (min 56 m, max 191 m)

Bioclimatic detailsExpert
Annual mean temp.
18,2°C
Annual rain
1 329mm
Warmest month
32,2°C
Coldest month
4,3°C
Mean alt.
127m
Min
56m
Max
191m
Std. dev.
31m
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

5,3

Org. C

22,9g/kg

Clay

17,8%

Sand

65,7%

Silt

16,4%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
46,0g/kg
Clay
14,6%
Sand
68,5%
Silt
16,9%
5–15 cm
pH H₂O
5,3
Org. C
14,2g/kg
Clay
15,3%
Sand
67,9%
Silt
16,8%
15–30 cm
pH H₂O
5,3
Org. C
8,6g/kg
Clay
23,7%
Sand
60,8%
Silt
15,6%

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

Land cover

Forest73.1%
Crops3.7%
Built-up0.1%
Bare soil0.4%
Other (grassland, water…)22.7%

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

Hydrology7 basins · 6 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

174,1km

Lake surface here

1,36km²

Basins crossed

7

Max stream order

5

Max drainage

16 117km²

Discharge in basins

71,1m³/s

Mean precip.

1 263mm/an

Mean T°

18,0°C

Moisture idx

-0,12

Mean runoff

406mm/an

Mean elev. (basins)

130m

Watersheds crossing here

Lakes (6, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

6,6%

Pesticides

16,5kg/km²

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

Protected areas8

IUCN V · 4IUCN Not Assigned · 2IUCN III · 2

Us-Al-10-1

IUCN Not Assigned

Conservation Easement · 1997

1 km²

Complete list

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