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
La Marche
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 492
Observations
18 204
Area
10,9km²
Ecological tissue
Sample of 43 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 La Marche : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 6 bulles famille, 106 interactions GloBI documentées sur 4 types (connectance 11.7%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
43
Interactions affichées
106
Connectance
0.117
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
1 492 distinct species · 18 204 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,5°C
Annual rain
835mm
Warmest m°
24,5°C
Coldest m°
0,8°C
Elevation: 176 m on average (min 159 m, max 208 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,5°C
Annual rain
835mm
Warmest month
24,5°C
Coldest month
0,8°C
Mean alt.
176m
Min
159m
Max
208m
Std. dev.
10m
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
37,0g/kg
Clay
30,8%
Sand
25,1%
Silt
44,0%
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
6,0
Org. C
72,1g/kg
Clay
28,8%
Sand
25,2%
Silt
45,9%
5–15 cm
pH H₂O
6,3
Org. C
22,8g/kg
Clay
28,7%
Sand
24,5%
Silt
46,7%
15–30 cm
pH H₂O
6,3
Org. C
16,1g/kg
Clay
34,9%
Sand
25,6%
Silt
39,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest10.0%
Crops67.7%
Built-up0.8%
Bare soil1.1%
Other (grassland, water…)20.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
5,5km
Basins crossed
1
Max stream order
6
Max drainage
34 086km²
Discharge in basins
2,3m³/s
Mean precip.
740mm/an
Mean T°
10,7°C
Moisture idx
-0,15
Max snow
6%
Mean runoff
256mm/an
Mean elev. (basins)
200m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
77,0%
Pesticides
46,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN IV · 1
Vallées de la Loire et de l'Allier entre Cher et Nièvre
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2021
141 km²
la grande isle
IUCN IVLand acquired by a regional conservatory of natural areas · 2017
1 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.