HydroBASINS lev08 watershed · #2080477550
Bassin de l'Aujon
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Aube, Haute-Marne
Sub-basin area
493,4km²
Upstream area
493,4km²
Discharge
4,61m³/s
Mean elev.
317m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 487.2 km²98.4% of basin
- 7.7 km²1.6% of basin
45 communes (GADM L5)Available for FRA, RWA
- Châteauvillain92.91 km²87% commune
- Arc-en-Barrois46.67 km²94% commune
- Autreville-sur-la-Renne40.36 km²95% commune
- Giey-sur-Aujon26.23 km²84% commune
- Rochetaillée26.20 km²91% commune
- Cour-l'Évêque19.77 km²100% commune
- Orges17.50 km²100% commune
- Montheries16.26 km²100% commune
- Auberive13.53 km²19% commune
- Saint-Loup-sur-Aujon13.42 km²71% commune
- Coupray12.28 km²100% commune
- Rennepont12.23 km²99% commune
- Semoutiers-Montsaon11.55 km²41% commune
- Vauxbons11.39 km²91% commune
- Vaudrémont10.83 km²100% commune
- Braux-le-Châtel10.63 km²100% commune
- Maranville10.58 km²80% commune
- Blessonville9.85 km²100% commune
- Bricon9.63 km²100% commune
- Aubepierre-sur-Aube9.55 km²22% commune
- Colombey-les-Deux-Églises8.74 km²12% commune
- Cirfontaines-en-Azois8.39 km²73% commune
- Longchamp-sur-Aujon7.58 km²46% commune
- Pont-la-Ville7.27 km²70% commune
- Richebourg6.09 km²28% commune
- Voisines5.89 km²31% commune
- Ternat5.51 km²69% commune
- Buxières-lès-Villiers4.41 km²92% commune
- Gillancourt3.73 km²25% commune
- Perrogney-les-Fontaines3.51 km²24% commune
- Aizanville3.46 km²100% commune
- Lachapelle-en-Blaisy3.21 km²19% commune
- Latrecey-Ormoy-sur-Aube2.07 km²4% commune
- Villiers-le-Sec0.87 km²5% commune
- Ormancey0.86 km²5% commune
- Dancevoir0.55 km²2% commune
- Juzennecourt0.38 km²3% commune
- Aprey0.38 km²2% commune
- Courcelles-en-Montagne0.23 km²1% commune
- Lignol-le-Château0.09 km²0% commune
- Vitry-en-Montagne0.09 km²1% commune
- Bugnières0.09 km²0% commune
- Euffigneix0.06 km²1% commune
- Bayel0.01 km²0% commune
- Rouvres-sur-Aube0.01 km²0% commune
19 intersecting protected areas
National Park - Buffer zone/Area of adhesion
204.81 km² overlap
Forêts
IUCN IINational Park - Core Area
129.74 km² overlap
Barrois et forêt de Clairvaux
IUCN Not ReportedSpecial Protection Area (Birds Directive)
41.34 km² overlap
Site à chiroptères de la Vallée de l'Aujon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
37.33 km² overlap
National Park - Integrale Reserve
30.87 km² overlap
Vallée de l'Aujon, de Chameroy a Arc-en-Barrois
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.67 km² overlap
Marais tufeux du plateau de Langres (secteur Nord)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.26 km² overlap
Pelouses et fruticées de la Côte oxfordienne de Bologne à Latrecey
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.96 km² overlap
Marais Du Plateau De Langres
IUCN IVBiotope Protection Order
0.48 km² overlap
10 more protected areassorted by overlap area
Land acquired by a regional conservatory of natural areas
0.30 km² overlap
Land acquired by a regional conservatory of natural areas
0.24 km² overlap
Land acquired by a regional conservatory of natural areas
0.23 km² overlap
Land acquired by a regional conservatory of natural areas
0.20 km² overlap
Biotope Protection Order
0.14 km² overlap
Pelouses submontagnardes du plateau de Langres
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.07 km² overlap
Land acquired by a regional conservatory of natural areas
0.07 km² overlap
marais des marats à chameroy
IUCN IVLand acquired by a regional conservatory of natural areas
0.05 km² overlap
Land acquired by a regional conservatory of natural areas
0.01 km² overlap
Land acquired by a regional conservatory of natural areas
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 432 distinct species · 102 669 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 Bassin de l'Aujon : 26 espèces + 3 bulles famille, 66 interactions GloBI documentées sur 3 types (connectance 16.3%, filtre Serrano α=0.2). Les 3 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
9,5°C
Annual rain
772mm
Moisture idx (CMI)
-0,03
Runoff
302mm/an
PET
799mm
AET
591mm
Mean slope
3,6°
Water table
225cm
Forest
26%
Crops
43%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)