Ontologia

Independent City · USA

Colonial Heights

United States

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

Species observed

566

Observations

14 138

Area

24,2km²

Ecological tissue

Sample of 49 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 Colonial Heights : 37 espèces reliées par 112 interactions GloBI sur 4 types (connectance 9.5%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
49
Interactions affichées
112
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

566 distinct species · 14 138 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 138 obs · 1 cellules
Obs. / cellule
≥ 14 138
14 138–14 137
14 138–14 137
14 138–14 137
< 14 138

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

Climate

Mean T°

15,2°C

Annual rain

1 157mm

Warmest m°

31,4°C

Coldest m°

-0,2°C

Elevation: 13 m on average (min 3 m, max 29 m)

Bioclimatic detailsExpert
Annual mean temp.
15,2°C
Annual rain
1 157mm
Warmest month
31,4°C
Coldest month
-0,2°C
Mean alt.
13m
Min
3m
Max
29m
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

5,0

Org. C

29,3g/kg

Clay

20,6%

Sand

45,1%

Silt

34,3%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
59,9g/kg
Clay
19,7%
Sand
45,7%
Silt
34,6%
5–15 cm
pH H₂O
5,0
Org. C
16,6g/kg
Clay
18,5%
Sand
46,9%
Silt
34,6%
15–30 cm
pH H₂O
5,1
Org. C
11,4g/kg
Clay
23,4%
Sand
42,8%
Silt
33,8%

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

Land cover

Forest33.2%
Crops0.4%
Built-up9.1%
Bare soil0.3%
Other (grassland, water…)56.9%

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

Hydrology3 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

20,5km

Basins crossed

3

Max stream order

5

Max drainage

4 167km²

Discharge in basins

1,7m³/s

Mean precip.

1 105mm/an

Mean T°

13,9°C

Moisture idx

-0,10

Max snow

3%

Mean runoff

420mm/an

Mean elev. (basins)

70m

Watersheds crossing here

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

Human pressure

Pop. density

6hab/km²

Night light

19,3nW

Built-up

905,9%

Pesticides

19,8kg/km²

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