Forêt de Troncais
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
13 km²
Commune · FRA
Saint-Bonnet-Tronçais
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 685
Observations
9 104
Area
28,1km²
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 Saint-Bonnet-Tronçais : 41 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 81 interactions GloBI documentées sur 7 types (connectance 8.2%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
45
Interactions affichées
81
Connectance
0.082
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 685 distinct species · 9 104 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,5°C
Annual rain
823mm
Warmest m°
24,5°C
Coldest m°
1,0°C
Elevation: 234 m on average (min 205 m, max 266 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,5°C
Annual rain
823mm
Warmest month
24,5°C
Coldest month
1,0°C
Mean alt.
234m
Min
205m
Max
266m
Std. dev.
13m
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
6,2
Org. C
31,1g/kg
Clay
19,9%
Sand
42,5%
Silt
37,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Allier
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
53,6g/kg
Clay
19,4%
Sand
43,2%
Silt
37,4%
5–15 cm
pH H₂O
6,2
Org. C
25,4g/kg
Clay
19,6%
Sand
42,3%
Silt
38,0%
15–30 cm
pH H₂O
6,2
Org. C
14,4g/kg
Clay
20,8%
Sand
41,8%
Silt
37,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest38.9%
Crops38.0%
Built-up0.5%
Bare soil0.3%
Other (grassland, water…)22.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
9,5km
Lake surface here
0,26km²
Basins crossed
2
Max stream order
2
Max drainage
3 608km²
Discharge in basins
0,2m³/s
Mean precip.
745mm/an
Mean T°
10,8°C
Moisture idx
-0,16
Max snow
5%
Mean runoff
236mm/an
Mean elev. (basins)
243m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
50,6%
Pesticides
45,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
Futaie Colbert
IUCN IVForest Managed Biological Reserve · 1975
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.