Rivière· 34 segments
Le Trieux
Crosses 1 administrative regions : Côtes-d'Armor
Total length
102km
Max discharge
15,5m³/s
Max Strahler
4
Segments matched
34
River geography1 admin regions · 34 communes
1 administrative regions crossed (GADM L2)
- Côtes-d'ArmorBretagne · France88.2 kmin this dpt
34 communes (L5)For countries with L5
- Ploumagoar9.54 km
- Saint-Connan7.05 km
- Pleudaniel6.64 km
- Kerpert5.91 km
- Plésidy5.50 km
- Plouisy5.45 km
- Pommerit-le-Vicomte5.13 km
- Senven-Léhart5.06 km
- Guingamp4.79 km
- Saint-Clet4.68 km
- Saint-Péver4.16 km
- Plourivo3.67 km
- Plouëc-du-Trieux2.56 km
- Pabu2.47 km
- Lézardrieux2.33 km
- Paimpol2.10 km
- Quemper-Guézennec2.02 km
- Ploëzal1.97 km
- Grâces1.71 km
- Pontrieux1.66 km
- Squiffiec1.47 km
- Saint-Adrien1.24 km
- Trégonneau0.77 km
- Saint-Fiacre0.20 km
- Coadout0.11 km
- Magoar0.00 km
- Pleumeur-Gautier0.00 km
- Bourbriac0.00 km
- Tréglamus0.00 km
- Le Vieux-Bourg0.00 km
- Saint-Gildas0.00 km
- Lanrodec0.00 km
- Saint-Agathon0.00 km
- Saint-Gilles-Pligeaux0.00 km
5 intersecting protected areas
Tregor Goëlo
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Trégor Goëlo
IUCN Not ReportedMarine Protected Area (OSPAR)
Tregor Goëlo
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Trégor Goëlo
IUCN Not ReportedMarine Protected Area (OSPAR)
Foret de penhoat-lancerf
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
1 page = 1 named river (aggregation of 34 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
613 distinct species · 7 622 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Trieux : 36 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 89 interactions GloBI sur 6 types (connectance 9.0%, filtre Serrano α=0.2). 9 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
102km
Max discharge
15,5m³/s
Max Strahler
4
Segments matched
34
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.