Ruisseau· 3 segments
Le Chéran
Crosses 2 administrative regions : Maine-et-Loire, Mayenne
Total length
87km
Max discharge
1m³/s
Max Strahler
2
Segments matched
3
River geography2 admin regions · 11 communes
2 administrative regions crossed (GADM L2)
- MayennePays de la Loire · France21.2 kmin this dpt
- Maine-et-LoirePays de la Loire · France3.3 kmin this dpt
11 communes (L5)For countries with L5
- Saint-Saturnin-du-Limet6.69 km
- Bouchamps-lès-Craon3.49 km
- Châtelais3.26 km
- Congrier2.64 km
- La Rouaudière2.21 km
- Saint-Martin-du-Limet2.19 km
- Renazé1.88 km
- Saint-Aignan-sur-Roë1.69 km
- La Boissière0.40 km
- Saint-Quentin-les-Anges0.00 km
- Chérancé0.00 km
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
914 distinct species · 6 858 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Le Chéran : 20 espèces reliées par 79 interactions GloBI sur 4 types (connectance 22.5%, filtre Serrano α=0.2). 7 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
87km
Max discharge
1,0m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.