Milieux alluviaux et aquatiques de la Loire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
37 km²
Subdivision · FRA
Roanne-Nord
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 695
Observations
32 778
Area
66,7km²
Ecological tissue
Sample of 30 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 Roanne-Nord : 24 espèces + 6 bulles famille, 58 interactions GloBI documentées sur 5 types (connectance 13.3%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
30
Interactions affichées
58
Connectance
0.133
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
1 695 distinct species · 32 778 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,6°C
Annual rain
864mm
Warmest m°
25,1°C
Coldest m°
0,0°C
Elevation: 290 m on average (min 258 m, max 337 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,6°C
Annual rain
864mm
Warmest month
25,1°C
Coldest month
0,0°C
Mean alt.
290m
Min
258m
Max
337m
Std. dev.
22m
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
6,0
Org. C
32,1g/kg
Clay
27,6%
Sand
38,5%
Silt
33,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Loire
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
47,9g/kg
Clay
27,3%
Sand
38,9%
Silt
33,9%
5–15 cm
pH H₂O
6,0
Org. C
29,2g/kg
Clay
28,0%
Sand
37,5%
Silt
34,5%
15–30 cm
pH H₂O
6,0
Org. C
19,1g/kg
Clay
27,5%
Sand
39,1%
Silt
33,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.4%
Crops43.4%
Built-up2.1%
Bare soil0.4%
Other (grassland, water…)35.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
16,7km
Lake surface here
0,12km²
Basins crossed
2
Max stream order
4
Max drainage
8 598km²
Discharge in basins
4,2m³/s
Mean precip.
763mm/an
Mean T°
10,0°C
Moisture idx
-0,11
Max snow
7%
Mean runoff
289mm/an
Mean elev. (basins)
462m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,0nW
Built-up
214,8%
Pesticides
43,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations3
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.