Ontologia

County · USA

Saint Johns

United States

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

Species observed

5 258

Observations

1 032 628

Area

1 697km²

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 Saint Johns : 24 espèces reliées par 67 interactions GloBI sur 2 types (connectance 9.5%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
67
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

5 258 distinct species · 1 032 628 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 032 628 obs · 55 cellules
Obs. / cellule
≥ 192 637
51 296–192 636
13 709–51 295
5 911–13 708
< 5 911

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

Climate

Mean T°

20,9°C

Annual rain

1 390mm

Warmest m°

30,6°C

Coldest m°

10,9°C

Elevation: 6 m on average (min -10 m, max 18 m)

Bioclimatic detailsExpert
Annual mean temp.
20,9°C
Annual rain
1 390mm
Warmest month
30,6°C
Coldest month
10,9°C
Mean alt.
6m
Min
-10m
Max
18m
Std. dev.
4m
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

5,1

Org. C

46,6g/kg

Clay

4,8%

Sand

89,3%

Silt

5,9%

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
69,1g/kg
Clay
4,8%
Sand
89,2%
Silt
6,0%
5–15 cm
pH H₂O
5,1
Org. C
43,8g/kg
Clay
4,8%
Sand
89,3%
Silt
5,9%
15–30 cm
pH H₂O
5,2
Org. C
26,9g/kg
Clay
4,7%
Sand
89,5%
Silt
5,8%

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

Land cover

Forest54.9%
Crops2.7%
Built-up2.2%
Bare soil0.5%
Other (grassland, water…)39.8%

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

Hydrology3 basins · 5 lakes · 25 rivers

Hydrology metrics for this exact territory

Stream length here

237,1km

Lake surface here

5,28km²

Basins crossed

3

Max stream order

3

Max drainage

24 674km²

Discharge in basins

92,6m³/s

Mean precip.

1 281mm/an

Mean T°

20,7°C

Moisture idx

-0,11

Mean runoff

292mm/an

Mean elev. (basins)

16m

Watersheds crossing here

Lakes (5, top by area)

Rivers / streams (25, ord ≥ 4)

13 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

3,6nW

Built-up

215,9%

Pesticides

33,2kg/km²

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

Protected areas19

IUCN V · 8IUCN IV · 5IUCN Not Assigned · 4IUCN III · 2🌊 Marine · 12
Complete list

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