Ontologia

County · USA

Gwinnett

United States

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

Species observed

3 810

Observations

859 633

Area

1 130,1km²

Ecological tissue

Sample of 39 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 Gwinnett : 29 espèces reliées par 78 interactions GloBI sur 3 types (connectance 10.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
78
Connectance
0.100
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

3 810 distinct species · 859 633 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

859 633 obs · 34 cellules
Obs. / cellule
≥ 139 982
71 918–139 981
25 337–71 917
14 590–25 336
< 14 590

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

Climate

Mean T°

16,0°C

Annual rain

1 381mm

Warmest m°

30,8°C

Coldest m°

1,6°C

Elevation: 305 m on average (min 235 m, max 369 m)

Bioclimatic detailsExpert
Annual mean temp.
16,0°C
Annual rain
1 381mm
Warmest month
30,8°C
Coldest month
1,6°C
Mean alt.
305m
Min
235m
Max
369m
Std. dev.
23m
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

5,3

Org. C

22,8g/kg

Clay

21,8%

Sand

49,2%

Silt

28,9%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
43,1g/kg
Clay
19,2%
Sand
51,3%
Silt
29,5%
5–15 cm
pH H₂O
5,4
Org. C
17,2g/kg
Clay
19,7%
Sand
50,8%
Silt
29,5%
15–30 cm
pH H₂O
5,3
Org. C
8,0g/kg
Clay
26,6%
Sand
45,6%
Silt
27,7%

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

Land cover

Forest39.0%
Crops1.3%
Built-up8.2%
Bare soil0.8%
Other (grassland, water…)50.8%

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

Hydrology5 basins · 11 lakes · 38 rivers

Hydrology metrics for this exact territory

Stream length here

276,9km

Lake surface here

4,01km²

Basins crossed

5

Max stream order

5

Max drainage

4 406km²

Discharge in basins

25,5m³/s

Mean precip.

1 318mm/an

Mean T°

15,7°C

Moisture idx

0,00

Mean runoff

501mm/an

Mean elev. (basins)

279m

Watersheds crossing here

Lakes (11, top by area)

2 more lakes

Rivers / streams (38, ord ≥ 4)

26 more river segments

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

Human pressure

Pop. density

6hab/km²

Night light

17,0nW

Built-up

817,1%

Pesticides

1,3kg/km²

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

Protected areas28

IUCN V · 25IUCN III · 3
Complete list

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