Forêt de Troncais
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
13 km²
Commune · FRA
Couleuvre
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 837
Observations
32 321
Area
54,8km²
Ecological tissue
Sample of 49 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 Couleuvre : 39 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 131 interactions GloBI sur 5 types (connectance 11.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
49
Interactions affichées
131
Connectance
0.111
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
1 837 distinct species · 32 321 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,4°C
Annual rain
799mm
Warmest m°
24,5°C
Coldest m°
0,8°C
Elevation: 252 m on average (min 222 m, max 304 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,4°C
Annual rain
799mm
Warmest month
24,5°C
Coldest month
0,8°C
Mean alt.
252m
Min
222m
Max
304m
Std. dev.
20m
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
5,9
Org. C
33,9g/kg
Clay
21,2%
Sand
44,5%
Silt
34,4%
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
5,8
Org. C
57,3g/kg
Clay
21,0%
Sand
45,4%
Silt
33,6%
5–15 cm
pH H₂O
5,9
Org. C
29,0g/kg
Clay
20,1%
Sand
44,7%
Silt
35,3%
15–30 cm
pH H₂O
5,9
Org. C
15,5g/kg
Clay
22,5%
Sand
43,3%
Silt
34,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest20.9%
Crops52.6%
Built-up0.4%
Bare soil0.3%
Other (grassland, water…)25.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
13,3km
Basins crossed
3
Max stream order
2
Max drainage
14 308km²
Discharge in basins
3,9m³/s
Mean precip.
745mm/an
Mean T°
10,7°C
Moisture idx
-0,16
Max snow
5%
Mean runoff
254mm/an
Mean elev. (basins)
247m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
40,5%
Pesticides
28,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
Ecrevisse à pieds blancs et espèces patrimoniales associées
IUCN IVBiotope Protection Order · 2019
11 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.