Réseau de zones humides, pelouses, landes et falaises de l'avant-pays savoyard
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
32 km²
Commune · FRA
Billième
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 934
Observations
36 017
Area
5,9km²
Ecological tissue
Sample of 37 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 Billième : 32 espèces + 5 bulles famille, 84 interactions GloBI documentées sur 7 types (connectance 12.6%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
37
Interactions affichées
84
Connectance
0.126
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
2 934 distinct species · 36 017 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,7°C
Annual rain
1 292mm
Warmest m°
24,0°C
Coldest m°
-3,1°C
Elevation: 548 m on average (min 322 m, max 765 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,7°C
Annual rain
1 292mm
Warmest month
24,0°C
Coldest month
-3,1°C
Mean alt.
548m
Min
322m
Max
765m
Std. dev.
165m
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
6,3
Org. C
54,1g/kg
Clay
28,5%
Sand
33,4%
Silt
38,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Savoie
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
90,8g/kg
Clay
26,9%
Sand
34,3%
Silt
38,8%
5–15 cm
pH H₂O
6,3
Org. C
46,8g/kg
Clay
27,1%
Sand
33,1%
Silt
39,8%
15–30 cm
pH H₂O
6,4
Org. C
24,8g/kg
Clay
31,4%
Sand
32,8%
Silt
35,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest44.0%
Crops21.6%
Built-up0.6%
Bare soil0.7%
Other (grassland, water…)33.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
14 054km²
Discharge in basins
6,1m³/s
Mean precip.
966mm/an
Mean T°
10,0°C
Moisture idx
0,07
Max snow
12%
Mean runoff
655mm/an
Mean elev. (basins)
478m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
61,8%
Pesticides
0,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN IV · 4IUCN Not Reported · 2
Avant-pays savoyard
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2018
31 km²
Lacs Et Marais De Saint-Jean De Chevelu
IUCN IVBiotope Protection Order · 1990
1 km²
marais de chevelu
IUCN IVLand acquired by a regional conservatory of natural areas · 1991
0 km²
marais de billieme
IUCN IVLand acquired by a regional conservatory of natural areas · 1994
0 km²
mollairon
IUCN IVLand acquired by a regional conservatory of natural areas · 1996
0 km²
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.