Ruisseau· 18 segments
Le Don
Crosses 2 administrative regions : Ille-et-Vilaine, Loire-Atlantique
Total length
127km
Max discharge
9,6m³/s
Max Strahler
3
Segments matched
18
River geography2 admin regions · 18 communes
2 administrative regions crossed (GADM L2)
- Loire-AtlantiquePays de la Loire · France76.5 kmin this dpt
- Ille-et-VilaineBretagne · France0.0 kmin this dpt
18 communes (L5)For countries with L5
- Guémené-Penfao18.33 km
- Jans8.04 km
- Moisdon-la-Rivière8.01 km
- Issé7.52 km
- Avessac6.70 km
- Petit-Auverné6.29 km
- Marsac-sur-Don5.37 km
- Treffieux5.01 km
- Saint-Julien-de-Vouvantes2.65 km
- Massérac2.21 km
- Nozay1.95 km
- Conquereuil1.82 km
- Grand-Auverné1.32 km
- Derval1.22 km
- Plessé0.00 km
- Erbray0.00 km
- La Chapelle-Glain0.00 km
- La Chapelle-de-Brain0.00 km
10 intersecting protected areas
Marais de Vilaine
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Biotope Protection Order
La carrière du Pont Maillet
IUCN Not ReportedGeotope Protection Order
La carrière du Pont Maillet
IUCN IVGeotope Protection Order
La carrière du Haut-Duron
IUCN Not ReportedGeotope Protection Order
La carrière du Haut-Duron
IUCN IVGeotope Protection Order
Biotope Protection Order
La carrière de la Vallée
IUCN IVGeotope Protection Order
La carrière de la Vallée
IUCN Not ReportedGeotope Protection Order
1 more protected areassorted by area
Biotope Protection Order
1 page = 1 named river (aggregation of 18 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
583 distinct species · 3 441 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Don : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 91 interactions GloBI sur 5 types (connectance 12.9%, 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
127km
Max discharge
9,6m³/s
Max Strahler
3
Segments matched
18
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.