Secteur Alluvial Rhin-Ried-Bruch, Bas-Rhin
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
202 km²
Commune · FRA
France
Species observed
828
Observations
4 676
Area
5,3km²
Sample of 33 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 Witternheim : 24 espèces reliées par 110 interactions GloBI sur 6 types (connectance 20.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
828 distinct species · 4 676 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
11,1°C
Annual rain
793mm
Warmest m°
24,9°C
Coldest m°
-1,2°C
Elevation: 160 m on average (min 159 m, max 162 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,6
Org. C
33,6g/kg
Clay
28,9%
Sand
26,7%
Silt
44,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Bas-Rhin
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
Basins crossed
1
Max drainage
3 639km²
Discharge in basins
0,7m³/s
Mean precip.
646mm/an
Mean T°
10,2°C
Moisture idx
-0,21
Max snow
3%
Mean runoff
469mm/an
Mean elev. (basins)
185m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
1hab/km²
Night light
0,6nW
Built-up
159,7%
Pesticides
47,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Special Areas of Conservation (Habitats Directive) · 2014
202 km²
Land acquired by a regional conservatory of natural areas · 1995
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.