Rivière
Ruisseau de Riaille
Crosses 1 administrative regions : Drôme
Total length
12km
Max discharge
21m³/s
Max Strahler
4
Segments matched
1
River geography1 admin regions · 4 communes
1 administrative regions crossed (GADM L2)
- DrômeAuvergne-Rhône-Alpes · France2.8 kmin this dpt
4 communes (L5)For countries with L5
- Allex2.79 km
- Eurre0.00 km
- Chabrillan0.00 km
- Grane0.00 km
4 intersecting protected areas
Natural habitats protection Order
Milieux aquatiques et alluviaux de la basse vallée de la Drôme
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Les Ramières du Val de Drôme
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Ramières Du Val De Drôme
IUCN IVNational Nature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 700 distinct species · 13 358 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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).
Indicateurs du tissu écologique
Tissu écologique de Ruisseau de Riaille : 27 espèces reliées par 108 interactions GloBI sur 5 types (connectance 12.0%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
12km
Max discharge
21,0m³/s
Max Strahler
4
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.