Ruisseau· 5 segments
L'Aure Inférieure
Crosses 1 administrative regions : Calvados
Total length
31km
Max discharge
12,2m³/s
Max Strahler
3
Segments matched
5
River geography1 admin regions · 23 communes
1 administrative regions crossed (GADM L2)
- CalvadosNormandie · France30.9 kmin this dpt
23 communes (L5)For countries with L5
- Aignerville4.18 km
- Trévières3.03 km
- Colombières2.93 km
- Russy2.75 km
- Étréham2.56 km
- Maisons2.50 km
- Formigny2.34 km
- Écrammeville2.06 km
- Surrain1.96 km
- Monfréville1.78 km
- Canchy1.44 km
- Mandeville-en-Bessin1.17 km
- Longueville1.03 km
- La Cambe0.62 km
- Mosles0.30 km
- Vouilly0.29 km
- Sully0.00 km
- Saint-Germain-du-Pert0.00 km
- Commes0.00 km
- Port-en-Bessin-Huppain0.00 km
- Bricqueville0.00 km
- Tour-en-Bessin0.00 km
- Castilly0.00 km
5 intersecting protected areas
Regional Nature Park
Marais du Cotentin et du Bessin, Baie des Veys
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Basses Vallées du Cotentin et Baie des Veys
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Marais du Cotentin et du Bessin - Baie des Veys
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Marais du Cotentin et du Bessin - Baie des Veys
IUCN Not ReportedMarine Protected Area (OSPAR)
1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
271 distinct species · 842 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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'Aure Inférieure : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 139 interactions GloBI sur 5 types (connectance 17.8%, filtre Serrano α=0.2). 12 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
31km
Max discharge
12,2m³/s
Max Strahler
3
Segments matched
5
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.