Norcross
IUCN VWildlife Sanctuary
22 km²
County · USA
United States
Species observed
4 992
Observations
1 096 259
Area
1 639,9km²
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).
Tissu écologique de Hampden : 29 espèces reliées par 95 interactions GloBI sur 4 types (connectance 12.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
4 992 distinct species · 1 096 259 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
9,6°C
Annual rain
1 329mm
Warmest m°
27,0°C
Coldest m°
-8,2°C
Elevation: 198 m on average (min 16 m, max 487 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
4,9
Org. C
93,7g/kg
Clay
9,6%
Sand
54,1%
Silt
36,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
522,1km
Lake surface here
18,87km²
Basins crossed
6
Max stream order
5
Max drainage
25 449km²
Discharge in basins
263,9m³/s
Mean precip.
1 180mm/an
Mean T°
8,0°C
Moisture idx
0,19
Max snow
19%
Mean runoff
779mm/an
Mean elev. (basins)
243m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
2hab/km²
Night light
4,3nW
Built-up
259,2%
Pesticides
8,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Wildlife Sanctuary
22 km²
State Forest
16 km²
State Forest · 1924
14 km²
Watershed
10 km²
Wildlife Refuge
9 km²
Conservation Easement · 2000
7 km²
+ 40 protected areas (top 60 shown)
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN