Ruisseau· 13 segments
L'Authre
Crosses 1 administrative regions : Cantal
Total length
43km
Max discharge
10,5m³/s
Max Strahler
3
Segments matched
13
River geography1 admin regions · 17 communes
1 administrative regions crossed (GADM L2)
- CantalAuvergne-Rhône-Alpes · France44.8 kmin this dpt
17 communes (L5)For countries with L5
- Ytrac14.68 km
- Reilhac7.05 km
- Lacapelle-Viescamp6.31 km
- Marmanhac5.01 km
- Jussac4.78 km
- Laroquevieille4.30 km
- Naucelles1.97 km
- Saint-Paul-des-Landes0.72 km
- Aurillac0.00 km
- Pers0.00 km
- Sansac-de-Marmiesse0.00 km
- Lascelle0.00 km
- Saint-Simon0.00 km
- Crandelles0.00 km
- Teissières-de-Cornet0.00 km
- Saint-Étienne-Cantalès0.00 km
- Saint-Gérons0.00 km
1 intersecting protected areas
Volcans D\'Auvergne
IUCN VRegional Nature Park
1 page = 1 named river (aggregation of 13 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
868 distinct species · 8 689 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 L'Authre : 26 espèces reliées par 97 interactions GloBI sur 5 types (connectance 15.4%, filtre Serrano α=0.2). 10 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
43km
Max discharge
10,5m³/s
Max Strahler
3
Segments matched
13
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.