Ruisseau
Ruisseau des Sauvers
Crosses 2 administrative regions : Ille-et-Vilaine, Loire-Atlantique
Total length
5km
Max discharge
0,4m³/s
Max Strahler
1
Segments matched
1
River geography2 admin regions · 6 communes
2 administrative regions crossed (GADM L2)
- Ille-et-VilaineBretagne · France5.8 kmin this dpt
- Loire-AtlantiquePays de la Loire · France0.0 kmin this dpt
6 communes (L5)For countries with L5
- La Chapelle-de-Brain2.79 km
- Langon2.03 km
- Renac1.00 km
- Saint-Just0.00 km
- Guémené-Penfao0.00 km
- Massérac0.00 km
1 intersecting protected areas
Marais de Vilaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 221 distinct species · 25 700 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 des Sauvers : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 4 types (connectance 15.9%, filtre Serrano α=0.2). 6 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
5km
Max discharge
0,4m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.