Vallées du Tarn, de l'Aveyron, du Viaur, de l'Agout et du Gijou
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2007
171 km²
Commune · FRA
Le Riols
France
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 380
Observations
4 285
Area
4,5km²
Ecological tissue
Sample of 46 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 Le Riols : 34 espèces reliées par 136 interactions GloBI sur 6 types (connectance 13.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
46
Interactions affichées
136
Connectance
0.131
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
1 380 distinct species · 4 285 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,4°C
Annual rain
740mm
Warmest m°
26,7°C
Coldest m°
2,3°C
Elevation: 171 m on average (min 151 m, max 209 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,4°C
Annual rain
740mm
Warmest month
26,7°C
Coldest month
2,3°C
Mean alt.
171m
Min
151m
Max
209m
Std. dev.
21m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
33,9g/kg
Clay
29,0%
Sand
30,5%
Silt
40,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Tarn
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,6
Org. C
54,4g/kg
Clay
27,7%
Sand
31,8%
Silt
40,5%
5–15 cm
pH H₂O
6,7
Org. C
28,1g/kg
Clay
28,7%
Sand
30,9%
Silt
40,5%
15–30 cm
pH H₂O
6,6
Org. C
19,3g/kg
Clay
30,6%
Sand
28,9%
Silt
40,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest16.2%
Crops53.3%
Built-up0.8%
Bare soil1.3%
Other (grassland, water…)28.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
3,6km
Basins crossed
1
Max stream order
5
Max drainage
3 150km²
Discharge in basins
2,1m³/s
Mean precip.
776mm/an
Mean T°
12,3°C
Moisture idx
-0,21
Max snow
1%
Mean runoff
320mm/an
Mean elev. (basins)
292m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
84,8%
Pesticides
25,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
Cours De La Garonne, De L\'Aveyron, Du Viaur Et Du Tarn
IUCN IVBiotope Protection Order · 1988
13 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.