Ontologia

County · USA

Prince George's

United States

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

Species observed

10 805

Observations

2 847 830

Area

1 259,6km²

Ecological tissue

Sample of 35 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's : 25 espèces reliées par 73 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
73
Connectance
0.123
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

10 805 distinct species · 2 847 830 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 847 830 obs · 35 cellules
Obs. / cellule
≥ 692 742
209 316–692 741
67 055–209 315
17 294–67 054
< 17 294

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

Climate

Mean T°

13,9°C

Annual rain

1 137mm

Warmest m°

30,4°C

Coldest m°

-1,9°C

Elevation: 46 m on average (min -2 m, max 124 m)

Bioclimatic detailsExpert
Annual mean temp.
13,9°C
Annual rain
1 137mm
Warmest month
30,4°C
Coldest month
-1,9°C
Mean alt.
46m
Min
-2m
Max
124m
Std. dev.
19m
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

42,7g/kg

Clay

20,8%

Sand

40,8%

Silt

38,4%

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
100,5g/kg
Clay
19,8%
Sand
41,5%
Silt
38,8%
5–15 cm
pH H₂O
4,9
Org. C
19,6g/kg
Clay
19,9%
Sand
41,2%
Silt
38,9%
15–30 cm
pH H₂O
4,9
Org. C
8,1g/kg
Clay
22,7%
Sand
39,7%
Silt
37,5%

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

Land cover

Forest47.3%
Crops4.2%
Built-up5.6%
Bare soil0.6%
Other (grassland, water…)42.3%

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

Hydrology3 basins · 3 lakes · 27 rivers

Hydrology metrics for this exact territory

Stream length here

268,5km

Lake surface here

0,63km²

Basins crossed

3

Max stream order

4

Max drainage

2 737km²

Discharge in basins

13,7m³/s

Mean precip.

1 065mm/an

Mean T°

12,9°C

Moisture idx

-0,04

Max snow

3%

Mean runoff

473mm/an

Mean elev. (basins)

64m

Watersheds crossing here

Lakes (3, top by area)

Rivers / streams (27, ord ≥ 4)

15 more river segments

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

Human pressure

Pop. density

5hab/km²

Night light

15,6nW

Built-up

558,6%

Pesticides

9,5kg/km²

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

Protected areas44

IUCN III · 16IUCN Not Assigned · 15IUCN V · 10IUCN IV · 2IUCN VI · 1🌊 Marine · 7
Complete list

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