Ontologia

County · USA

Prince George

United States

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

Species observed

1 565

Observations

65 269

Area

689,1km²

Ecological tissue

Sample of 41 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 Prince George : 31 espèces reliées par 82 interactions GloBI sur 4 types (connectance 9.5%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
82
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

1 565 distinct species · 65 269 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

65 269 obs · 21 cellules
Obs. / cellule
≥ 30 772
5 019–30 771
1 750–5 018
973–1 749
< 973

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 198mm

Warmest m°

31,1°C

Coldest m°

-0,1°C

Elevation: 30 m on average (min -4 m, max 50 m)

Bioclimatic detailsExpert
Annual mean temp.
15,1°C
Annual rain
1 198mm
Warmest month
31,1°C
Coldest month
-0,1°C
Mean alt.
30m
Min
-4m
Max
50m
Std. dev.
12m
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

28,2g/kg

Clay

22,2%

Sand

46,7%

Silt

31,1%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
57,0g/kg
Clay
21,4%
Sand
47,2%
Silt
31,4%
5–15 cm
pH H₂O
5,0
Org. C
18,2g/kg
Clay
21,2%
Sand
47,5%
Silt
31,3%
15–30 cm
pH H₂O
5,0
Org. C
9,4g/kg
Clay
24,0%
Sand
45,4%
Silt
30,6%

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

Land cover

Forest70.3%
Crops6.3%
Built-up0.8%
Bare soil0.3%
Other (grassland, water…)22.3%

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

Hydrology6 basins · 3 lakes · 15 rivers

Hydrology metrics for this exact territory

Stream length here

108,6km

Lake surface here

0,36km²

Basins crossed

6

Max stream order

5

Max drainage

4 471km²

Discharge in basins

14,6m³/s

Mean precip.

1 150mm/an

Mean T°

14,6°C

Moisture idx

-0,03

Max snow

3%

Mean runoff

467mm/an

Mean elev. (basins)

26m

Watersheds crossing here

Lakes (3, top by area)

Rivers / streams (15, ord ≥ 4)

3 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

2,3nW

Built-up

84,3%

Pesticides

22,2kg/km²

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

Protected areas4

IUCN V · 3IUCN IV · 1🌊 Marine · 2

James River

IUCN IV

National Wildlife Refuge · 1991

19 km²

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