Milieux alluviaux et aquatiques de la Loire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
37 km²
Commune · FRA
Roanne
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 555
Observations
14 528
Area
16km²
Ecological tissue
Sample of 37 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 : 32 espèces + 5 bulles famille, 95 interactions GloBI documentées sur 5 types (connectance 14.3%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
37
Interactions affichées
95
Connectance
0.143
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
1 555 distinct species · 14 528 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,7°C
Annual rain
842mm
Warmest m°
25,3°C
Coldest m°
-0,2°C
Elevation: 276 m on average (min 263 m, max 300 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,7°C
Annual rain
842mm
Warmest month
25,3°C
Coldest month
-0,2°C
Mean alt.
276m
Min
263m
Max
300m
Std. dev.
7m
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
6,4
Org. C
30,9g/kg
Clay
31,8%
Sand
33,1%
Silt
35,1%
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
6,3
Org. C
43,9g/kg
Clay
31,8%
Sand
33,3%
Silt
34,9%
5–15 cm
pH H₂O
6,4
Org. C
28,5g/kg
Clay
32,8%
Sand
31,8%
Silt
35,3%
15–30 cm
pH H₂O
6,4
Org. C
20,4g/kg
Clay
30,7%
Sand
34,2%
Silt
35,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.9%
Crops10.4%
Built-up13.7%
Bare soil0.4%
Other (grassland, water…)66.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 2 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
11,8km
Lake surface here
0,57km²
Basins crossed
1
Max stream order
4
Max drainage
7 435km²
Discharge in basins
0,7m³/s
Mean precip.
771mm/an
Mean T°
9,8°C
Moisture idx
-0,09
Max snow
7%
Mean runoff
286mm/an
Mean elev. (basins)
507m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
13hab/km²
Night light
12,1nW
Built-up
1 365,8%
Pesticides
44,4kg/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
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.