Independent City · USA
Petersburg
United States
Species observed
778
Observations
7 770
Area
59,9km²
Ecological tissue
Sample of 47 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).
Indicateurs du tissu écologique
Tissu écologique de Petersburg : 32 espèces reliées par 135 interactions GloBI sur 4 types (connectance 11.5%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
778 distinct species · 7 770 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,1°C
Annual rain
1 190mm
Warmest m°
31,2°C
Coldest m°
-0,2°C
Elevation: 39 m on average (min 8 m, max 52 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,4
Org. C
31,2g/kg
Clay
20,7%
Sand
44,6%
Silt
34,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
10,5km
Basins crossed
4
Max stream order
5
Max drainage
4 471km²
Discharge in basins
3,4m³/s
Mean precip.
1 125mm/an
Mean T°
14,1°C
Moisture idx
-0,08
Max snow
3%
Mean runoff
437mm/an
Mean elev. (basins)
57m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
4hab/km²
Night light
15,9nW
Built-up
662,6%
Pesticides
20,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)