HydroBASINS lev08 watershed · #2080479210
Bassin de l'Ource
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 3 administrative regions : Aube, Côte-d'Or, Haute-Marne
Sub-basin area
744,1km²
Upstream area
744,1km²
Discharge
5,94m³/s
Mean elev.
333m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 536.2 km²71.9% of basin
- 146.6 km²19.6% of basin
- 63.5 km²8.5% of basin
74 communes (GADM L5)Available for FRA, RWA
- Villiers-le-Duc56.52 km²66% commune
- Bure-les-Templiers35.65 km²100% commune
- Minot32.43 km²90% commune
- Cunfin29.60 km²89% commune
- Essoyes28.94 km²81% commune
- Autricourt27.15 km²100% commune
- Riel-les-Eaux25.94 km²100% commune
- Recey-sur-Ource23.25 km²85% commune
- Leuglay21.83 km²87% commune
- Belan-sur-Ource20.19 km²100% commune
- Saint-Broing-les-Moines19.93 km²100% commune
- Bissey-la-Côte19.87 km²100% commune
- Verpillières-sur-Ource18.36 km²100% commune
- Essarois18.29 km²100% commune
- Grancey-sur-Ource17.85 km²74% commune
- Villars-Santenoge17.83 km²92% commune
- Voulaines-les-Templiers17.68 km²76% commune
- Vanvey17.21 km²100% commune
- Montmoyen16.16 km²83% commune
- Courban14.71 km²84% commune
- Beneuvre14.59 km²95% commune
- Landreville14.29 km²99% commune
- Brion-sur-Ource13.81 km²100% commune
- Terrefondrée13.76 km²100% commune
- Loches-sur-Ource13.55 km²100% commune
- Poinson-lès-Grancey11.55 km²100% commune
- Salives11.13 km²23% commune
- Colmier-le-Haut10.97 km²56% commune
- Prusly-sur-Ource10.64 km²67% commune
- Thoires10.29 km²100% commune
- Maisey-le-Duc9.88 km²80% commune
- Villotte-sur-Ource9.72 km²100% commune
- Celles-sur-Ource8.92 km²95% commune
- Louesme8.84 km²46% commune
- Noë-les-Mallets8.41 km²99% commune
- Moitron7.87 km²51% commune
- Fontette7.54 km²40% commune
- Poinsenot6.93 km²100% commune
- Mosson6.91 km²94% commune
- Gevrolles6.77 km²25% commune
- Chaugey6.77 km²100% commune
- Colmier-le-Bas6.23 km²100% commune
- Viviers-sur-Artaut5.90 km²99% commune
- Lanty-sur-Aube4.91 km²22% commune
- Menesble4.77 km²89% commune
- Montigny-sur-Aube4.45 km²22% commune
- Fraignot-et-Vesvrotte3.98 km²34% commune
- Chacenay3.63 km²47% commune
- Grancey-le-Château-Neuvelle3.14 km²11% commune
- Merrey-sur-Arce2.61 km²32% commune
- Auberive2.54 km²4% commune
- Échalot1.62 km²6% commune
- Vitry-le-Croisé1.40 km²4% commune
- Vals-des-Tilles1.37 km²4% commune
- Chaumont-le-Bois1.32 km²18% commune
- Villars-en-Azois1.12 km²6% commune
- Ville-sur-Arce0.99 km²6% commune
- Chambain0.59 km²6% commune
- Bertignolles0.51 km²7% commune
- Gyé-sur-Seine0.50 km²2% commune
- Éguilly-sous-Bois0.43 km²5% commune
- Beaulieu0.29 km²4% commune
- Bar-sur-Seine0.26 km²1% commune
- Polisot0.24 km²2% commune
- Rochefort-sur-Brévon0.18 km²1% commune
- Saint-Usage0.17 km²1% commune
- Busserotte-et-Montenaille0.16 km²2% commune
- Neuville-sur-Seine0.14 km²1% commune
- Buxeuil0.12 km²3% commune
- Chervey0.05 km²0% commune
- Faverolles-lès-Lucey0.04 km²0% commune
- Massingy0.02 km²0% commune
- Charrey-sur-Seine0.02 km²0% commune
- Polisy0.02 km²0% commune
18 intersecting protected areas
National Park - Buffer zone/Area of adhesion
349.59 km² overlap
Massifs forestiers et vallées du châtillonnais
IUCN Not ReportedSpecial Protection Area (Birds Directive)
237.41 km² overlap
Forêts
IUCN IINational Park - Core Area
126.15 km² overlap
Barrois et forêt de Clairvaux
IUCN Not ReportedSpecial Protection Area (Birds Directive)
33.60 km² overlap
Special Areas of Conservation (Habitats Directive)
32.90 km² overlap
Gîtes et habitats à chauves-souris en Bourgogne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.27 km² overlap
Marais tourbeux du plateau de Langres (secteur Sud-Ouest)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.82 km² overlap
Marais tufeux du Châtillonnais
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.43 km² overlap
Land acquired by a regional conservatory of natural areas
0.32 km² overlap
9 more protected areassorted by overlap area
Marais Du Plateau De Langres
IUCN IVBiotope Protection Order
0.22 km² overlap
Pelouses et forêts du Barséquanais
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.18 km² overlap
Sèchebouteille
IUCN IVForest Managed Biological Reserve
0.11 km² overlap
marais du conois
IUCN IVLand acquired by a regional conservatory of natural areas
0.05 km² overlap
Pelouses submontagnardes du plateau de Langres
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.02 km² overlap
combe michaut
IUCN IVLand acquired by a regional conservatory of natural areas
0.02 km² overlap
la choulere
IUCN IVLand acquired by a regional conservatory of natural areas
0.02 km² overlap
pelouse de la cosvigne
IUCN IVLand acquired by a regional conservatory of natural areas
0.01 km² overlap
Land acquired by a regional conservatory of natural areas
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 806 distinct species · 231 564 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 Bassin de l'Ource : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 72 interactions GloBI sur 4 types (connectance 15.5%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
9,6°C
Annual rain
787mm
Moisture idx (CMI)
-0,02
Runoff
280mm/an
PET
803mm
AET
595mm
Mean slope
4,4°
Water table
281cm
Forest
29%
Crops
32%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)