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
Mars-sur-Allier
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 230
Observations
13 661
Area
21,8km²
Ecological tissue
Sample of 22 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 Mars-sur-Allier : 21 espèces + 1 bulle famille, 21 interactions GloBI documentées sur 3 types (connectance 9.1%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
22
Interactions affichées
21
Connectance
0.091
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
1 230 distinct species · 13 661 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,8°C
Annual rain
800mm
Warmest m°
24,9°C
Coldest m°
1,0°C
Elevation: 180 m on average (min 176 m, max 196 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,8°C
Annual rain
800mm
Warmest month
24,9°C
Coldest month
1,0°C
Mean alt.
180m
Min
176m
Max
196m
Std. dev.
3m
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
30,8g/kg
Clay
22,0%
Sand
39,7%
Silt
38,3%
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
6,1
Org. C
56,3g/kg
Clay
21,9%
Sand
40,4%
Silt
37,7%
5–15 cm
pH H₂O
6,3
Org. C
21,9g/kg
Clay
20,6%
Sand
40,1%
Silt
39,2%
15–30 cm
pH H₂O
6,3
Org. C
14,1g/kg
Clay
23,4%
Sand
38,7%
Silt
38,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest11.4%
Crops64.4%
Built-up0.4%
Bare soil0.3%
Other (grassland, water…)23.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
18,9km
Basins crossed
1
Max stream order
5
Max drainage
14 308km²
Discharge in basins
1,6m³/s
Mean precip.
746mm/an
Mean T°
10,7°C
Moisture idx
-0,16
Max snow
5%
Mean runoff
255mm/an
Mean elev. (basins)
250m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
37,5%
Pesticides
34,4kg/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.