Ruisseau
Chenal de Tirançon
Crosses 1 administrative regions : Charente-Maritime
Total length
4km
Max discharge
2m³/s
Max Strahler
2
Segments matched
1
River geography1 admin regions · 3 communes
1 administrative regions crossed (GADM L2)
- Charente-MaritimeNouvelle-Aquitaine · France6.9 kmin this dpt
3 communes (L5)For countries with L5
- Hiers-Brouage6.94 km
- Bourcefranc-le-Chapus0.00 km
- Moëze0.00 km
6 intersecting protected areas
Marine Nature Park
Marais de Brouage (et marais nord d'Oléron)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Marais de Brouage-Oléron
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Moëze-Oléron
IUCN IVNational Nature Reserve
Marais de Moeze
IUCN Not ReportedMarine Protected Area (OSPAR)
Marais de brouage
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 175 distinct species · 27 433 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Chenal de Tirançon : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 4 bulles famille, 58 interactions GloBI documentées sur 3 types (connectance 10.3%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
4km
Max discharge
2,0m³/s
Max Strahler
2
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.