Ruisseau
La Flêche
Crosses 1 administrative regions : Finistère
Total length
5km
Max discharge
1,4m³/s
Max Strahler
2
Segments matched
1
River geography1 admin regions · 7 communes
1 administrative regions crossed (GADM L2)
- FinistèreBretagne · France12.3 kmin this dpt
7 communes (L5)For countries with L5
- Plouider5.69 km
- Plounéventer1.72 km
- Saint-Méen1.41 km
- Tréflez1.38 km
- Goulven1.05 km
- Lanhouarneau1.04 km
- Saint-Derrien0.00 km
4 intersecting protected areas
Baie de Goulven
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Anse de Goulven, dunes de Keremma
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Dunes de keremma
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
Flèche sableuse de Penn ar Ch\'leuz
IUCN Not ReportedGeotope Protection Order
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
203 distinct species · 1 254 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Flêche : 16 espèces reliées par 86 interactions GloBI sur 5 types (connectance 19.8%, filtre Serrano α=0.2). 14 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
5km
Max discharge
1,4m³/s
Max Strahler
2
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.