Hardt nord
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2009
65 km²
Commune · FRA
Biltzheim
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 265
Observations
10 759
Area
7km²
Ecological tissue
Sample of 36 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 Biltzheim : 27 espèces reliées par 90 interactions GloBI sur 3 types (connectance 14.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
90
Connectance
0.143
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
1 265 distinct species · 10 759 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,9°C
Annual rain
776mm
Warmest m°
24,9°C
Coldest m°
-1,7°C
Elevation: 202 m on average (min 198 m, max 205 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,9°C
Annual rain
776mm
Warmest month
24,9°C
Coldest month
-1,7°C
Mean alt.
202m
Min
198m
Max
205m
Std. dev.
2m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,7
Org. C
27,2g/kg
Clay
27,5%
Sand
20,5%
Silt
52,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Haut-Rhin
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,7
Org. C
44,2g/kg
Clay
27,4%
Sand
20,5%
Silt
52,1%
5–15 cm
pH H₂O
6,8
Org. C
22,4g/kg
Clay
28,1%
Sand
19,6%
Silt
52,4%
15–30 cm
pH H₂O
6,7
Org. C
15,0g/kg
Clay
27,0%
Sand
21,5%
Silt
51,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.8%
Crops64.1%
Built-up1.0%
Bare soil0.3%
Other (grassland, water…)15.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,7km
Basins crossed
2
Max stream order
5
Max drainage
1 746km²
Discharge in basins
1,0m³/s
Mean precip.
641mm/an
Mean T°
9,9°C
Moisture idx
-0,22
Max snow
10%
Mean runoff
538mm/an
Mean elev. (basins)
244m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,8nW
Built-up
97,4%
Pesticides
47,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.