Rivière· 14 segments
La Bar
Crosses 1 administrative regions : Ardennes
Total length
64km
Max discharge
78,5m³/s
Max Strahler
5
Segments matched
14
River geography1 admin regions · 25 communes
1 administrative regions crossed (GADM L2)
- ArdennesGrand Est · France34.5 kmin this dpt
25 communes (L5)For countries with L5
- Tannay5.47 km
- Authe4.05 km
- Le Mont-Dieu3.59 km
- Vendresse3.15 km
- Saint-Pierremont2.78 km
- Chémery-sur-Bar2.76 km
- Harricourt2.74 km
- Autruche2.67 km
- Germont2.38 km
- Brieulles-sur-Bar2.29 km
- Les Petites-Armoises2.09 km
- Villers-sur-Bar0.60 km
- La Neuville-à-Maire0.00 km
- Thénorgues0.00 km
- Vrigne-Meuse0.00 km
- Belleville-et-Châtillon-sur-Bar0.00 km
- Boult-aux-Bois0.00 km
- Le Chesne0.00 km
- Sauville0.00 km
- Donchery0.00 km
- Hannogne-Saint-Martin0.00 km
- Bar-lès-Buzancy0.00 km
- Briquenay0.00 km
- Buzancy0.00 km
- Dom-le-Mesnil0.00 km
8 intersecting protected areas
Site à chiroptères de la vallée de la Bar
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Forêt du Mont-Dieu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Natural habitats protection Order
Land acquired by a regional conservatory of natural areas
Marais de Germont-Buzancy
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Land acquired by a regional conservatory of natural areas
Land acquired by a regional conservatory of natural areas
eglise de chemery
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 14 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
523 distinct species · 2 330 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Bar : 24 espèces reliées par 37 interactions GloBI sur 4 types (connectance 8.0%, filtre Serrano α=0.2). 7 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
64km
Max discharge
78,5m³/s
Max Strahler
5
Segments matched
14
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.