Ruisseau· 5 segments
La Semène
Crosses 2 administrative regions : Haute-Loire, Loire
Total length
48km
Max discharge
1,5m³/s
Max Strahler
2
Segments matched
5
River geography2 admin regions · 16 communes
2 administrative regions crossed (GADM L2)
- Haute-LoireAuvergne-Rhône-Alpes · France26.8 kmin this dpt
- LoireAuvergne-Rhône-Alpes · France11.7 kmin this dpt
16 communes (L5)For countries with L5
- Saint-Victor-Malescours7.51 km
- Marlhes5.58 km
- Saint-Genest-Malifaux4.89 km
- Saint-Romain-Lachalm3.91 km
- Pont-Salomon3.52 km
- Saint-Didier-en-Velay3.40 km
- La Séauve-sur-Semène3.13 km
- Saint-Ferréol-d'Auroure2.75 km
- Aurec-sur-Loire2.27 km
- Jonzieux0.98 km
- Saint-Pal-de-Mons0.26 km
- Saint-Maurice-en-Gourgois0.25 km
- Saint-Paul-en-Cornillon0.02 km
- Fraisses0.00 km
- La Chapelle-d'Aurec0.00 km
- Monistrol-sur-Loire0.00 km
4 intersecting protected areas
Pilat
IUCN VRegional Nature Park
Gorges de la Loire
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Pelouses, landes et habitats rocheux des Gorges de la Loire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Gorges de la Loire
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 013 distinct species · 10 948 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 La Semène : 31 espèces + 7 bulles famille, 81 interactions GloBI documentées sur 6 types (connectance 11.5%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
48km
Max discharge
1,5m³/s
Max Strahler
2
Segments matched
5
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.