Ruisseau· 3 segments
La Bardelle
Crosses 2 administrative regions : Orne, Sarthe
Total length
15km
Max discharge
0,8m³/s
Max Strahler
2
Segments matched
3
River geography2 admin regions · 10 communes
2 administrative regions crossed (GADM L2)
10 communes (L5)For countries with L5
- Marchemaisons3.14 km
- Saint-Aubin-d'Appenai2.33 km
- Saint-Léger-sur-Sarthe2.28 km
- Les Ventes-de-Bourse1.42 km
- Aunay-les-Bois0.89 km
- Boitron0.74 km
- Montchevrel0.74 km
- Roullée0.46 km
- Le Ménil-Guyon0.29 km
- Le Chalange0.00 km
3 intersecting protected areas
Normandie-Maine
IUCN VRegional Nature Park
Bocage à Osmoderma eremita au nord de la forêt de Perseigne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Haute Vallée de la Sarthe
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 497 distinct species · 9 795 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Bardelle : 20 espèces reliées par 112 interactions GloBI sur 6 types (connectance 17.8%, 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
15km
Max discharge
0,8m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.