Ontologia

County · USA

Charles City

United States

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

Species observed

1 865

Observations

88 673

Area

498,1km²

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 Charles City : 29 espèces reliées par 74 interactions GloBI sur 4 types (connectance 10.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
74
Connectance
0.105
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

1 865 distinct species · 88 673 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

88 673 obs · 14 cellules
Obs. / cellule
≥ 50 715
14 823–50 714
2 574–14 822
1 711–2 573
< 1 711

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

Climate

Mean T°

15,1°C

Annual rain

1 156mm

Warmest m°

30,9°C

Coldest m°

-0,1°C

Elevation: 17 m on average (min -4 m, max 43 m)

Bioclimatic detailsExpert
Annual mean temp.
15,1°C
Annual rain
1 156mm
Warmest month
30,9°C
Coldest month
-0,1°C
Mean alt.
17m
Min
-4m
Max
43m
Std. dev.
11m
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

4,9

Org. C

33,3g/kg

Clay

22,2%

Sand

44,7%

Silt

33,1%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
64,2g/kg
Clay
21,6%
Sand
45,1%
Silt
33,3%
5–15 cm
pH H₂O
5,0
Org. C
23,3g/kg
Clay
21,9%
Sand
45,2%
Silt
33,0%
15–30 cm
pH H₂O
5,0
Org. C
12,4g/kg
Clay
23,2%
Sand
43,8%
Silt
33,0%

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

Land cover

Forest71.2%
Crops8.7%
Built-up0.3%
Bare soil0.4%
Other (grassland, water…)19.4%

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

Hydrology2 basins · 9 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

72,1km

Lake surface here

1,77km²

Basins crossed

2

Max stream order

5

Max drainage

18 244km²

Discharge in basins

4,6m³/s

Mean precip.

1 116mm/an

Mean T°

14,4°C

Moisture idx

-0,05

Max snow

2%

Mean runoff

423mm/an

Mean elev. (basins)

29m

Watersheds crossing here

Lakes (9, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

29,7%

Pesticides

14,8kg/km²

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

Protected areas9

IUCN V · 7IUCN Not Reported · 1IUCN IV · 1🌊 Marine · 3

Presquile

IUCN IV

National Wildlife Refuge

5 km²

Kittewan

IUCN V

Wildlife Management Area

1 km²

Complete list

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