Plaine des Varennes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2017
9 km²
Commune · FRA
Bulhon
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 348
Observations
10 373
Area
12,5km²
Ecological tissue
Sample of 45 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 Bulhon : 41 espèces + 4 bulles famille, 105 interactions GloBI documentées sur 6 types (connectance 10.6%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
45
Interactions affichées
105
Connectance
0.106
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
1 348 distinct species · 10 373 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,4°C
Annual rain
912mm
Warmest m°
24,8°C
Coldest m°
-0,1°C
Elevation: 351 m on average (min 314 m, max 370 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,4°C
Annual rain
912mm
Warmest month
24,8°C
Coldest month
-0,1°C
Mean alt.
351m
Min
314m
Max
370m
Std. dev.
14m
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
6,6
Org. C
28,1g/kg
Clay
33,6%
Sand
33,5%
Silt
33,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiMaggregated to Puy-de-Dôme
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,6
Org. C
45,2g/kg
Clay
31,1%
Sand
35,9%
Silt
33,0%
5–15 cm
pH H₂O
6,7
Org. C
24,2g/kg
Clay
33,0%
Sand
33,9%
Silt
33,0%
15–30 cm
pH H₂O
6,7
Org. C
15,1g/kg
Clay
36,6%
Sand
30,5%
Silt
32,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest22.2%
Crops46.6%
Built-up0.5%
Bare soil0.3%
Other (grassland, water…)30.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,5km
Basins crossed
3
Max stream order
1
Max drainage
7 154km²
Discharge in basins
0,5m³/s
Mean precip.
724mm/an
Mean T°
9,2°C
Moisture idx
-0,15
Max snow
15%
Mean runoff
332mm/an
Mean elev. (basins)
675m
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
0,1nW
Built-up
54,3%
Pesticides
43,7kg/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.