Ruisseau· 14 segments
L'Erdre
Crosses 2 administrative regions : Loire-Atlantique, Maine-et-Loire
Total length
98km
Max discharge
13,3m³/s
Max Strahler
3
Segments matched
14
River geography2 admin regions · 20 communes
2 administrative regions crossed (GADM L2)
- Loire-AtlantiquePays de la Loire · France48.2 kmin this dpt
- Maine-et-LoirePays de la Loire · France17.4 kmin this dpt
20 communes (L5)For countries with L5
- Nantes8.87 km
- Sucé-sur-Erdre8.66 km
- Riaillé7.75 km
- Angrie7.20 km
- Saint-Mars-la-Jaille6.88 km
- Nort-sur-Erdre4.97 km
- Bonnœuvre4.24 km
- Freigné3.28 km
- Le Louroux-Béconnais3.10 km
- Carquefou2.81 km
- Trans-sur-Erdre1.94 km
- Candé1.80 km
- Petit-Mars1.47 km
- Vern-d'Anjou1.27 km
- La Cornuaille0.74 km
- La Chapelle-sur-Erdre0.56 km
- Rezé0.00 km
- Joué-sur-Erdre0.00 km
- Casson0.00 km
- Saint-Mars-du-Désert0.00 km
10 intersecting protected areas
Estuaire de la Loire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Estuaire de la Loire
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Marais de l'Erdre
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Marais de l'Erdre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Tourbière De Logné
IUCN IVBiotope Protection Order
Tourbière De Logné
IUCN IVRegional Nature Reserve
Biotope Protection Order
marais de l\'erdre
IUCN IVLand acquired by a regional conservatory of natural areas
La carrière de Misery
IUCN IVGeotope Protection Order
1 more protected areassorted by area
La carrière de Misery
IUCN Not ReportedGeotope Protection Order
1 page = 1 named river (aggregation of 14 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
701 distinct species · 1 535 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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'Erdre : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 102 interactions GloBI sur 5 types (connectance 14.5%, filtre Serrano α=0.2). 15 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
98km
Max discharge
13,3m³/s
Max Strahler
3
Segments matched
14
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.