Vallées de la Loire et de l'Allier entre Cher et Nièvre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2021
162 km²
Commune · FRA
Challuy
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 047
Observations
11 210
Area
19,4km²
Ecological tissue
Sample of 33 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 Challuy : 28 espèces + 5 bulles famille, 62 interactions GloBI documentées sur 4 types (connectance 11.7%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
33
Interactions affichées
62
Connectance
0.117
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
1 047 distinct species · 11 210 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,6°C
Annual rain
843mm
Warmest m°
24,6°C
Coldest m°
0,9°C
Elevation: 204 m on average (min 172 m, max 254 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,6°C
Annual rain
843mm
Warmest month
24,6°C
Coldest month
0,9°C
Mean alt.
204m
Min
172m
Max
254m
Std. dev.
28m
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
6,5
Org. C
33,4g/kg
Clay
26,5%
Sand
28,8%
Silt
44,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Nièvre
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,4
Org. C
55,9g/kg
Clay
25,9%
Sand
28,2%
Silt
45,9%
5–15 cm
pH H₂O
6,6
Org. C
27,7g/kg
Clay
26,1%
Sand
27,8%
Silt
46,1%
15–30 cm
pH H₂O
6,6
Org. C
16,5g/kg
Clay
27,4%
Sand
30,4%
Silt
42,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest19.0%
Crops53.6%
Built-up1.2%
Bare soil0.3%
Other (grassland, water…)25.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
1,4km
Basins crossed
2
Max stream order
5
Max drainage
18 223km²
Discharge in basins
1,8m³/s
Mean precip.
754mm/an
Mean T°
10,6°C
Moisture idx
-0,13
Max snow
5%
Mean runoff
275mm/an
Mean elev. (basins)
251m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,4nW
Built-up
117,9%
Pesticides
44,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Vallées de la Loire et de l'Allier entre Cher et Nièvre
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2021
141 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.