HydroBASINS lev08 watershed · #2080480410
Bassin de la Seine
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, Côte-d'Or
Sub-basin area
757,6km²
Upstream area
757,6km²
Discharge
5,8m³/s
Mean elev.
336m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 662.7 km²87.2% of basin
- 97.1 km²12.8% of basin
78 communes (GADM L5)Available for FRA, RWA
- Étalante39.75 km²100% commune
- Châtillon-sur-Seine34.26 km²100% commune
- Villiers-le-Duc28.74 km²34% commune
- Buncey27.76 km²100% commune
- Mussy-sur-Seine27.74 km²99% commune
- Nod-sur-Seine25.55 km²100% commune
- Aignay-le-Duc24.84 km²100% commune
- Gyé-sur-Seine22.43 km²96% commune
- Billy-lès-Chanceaux20.52 km²93% commune
- Quemigny-sur-Seine20.07 km²97% commune
- Chanceaux18.94 km²88% commune
- Échalot17.77 km²64% commune
- Ampilly-le-Sec16.87 km²68% commune
- Sainte-Colombe-sur-Seine15.99 km²100% commune
- Pothières15.38 km²86% commune
- Chamesson15.18 km²100% commune
- Bellenod-sur-Seine14.69 km²100% commune
- Mauvilly14.49 km²100% commune
- Oigny14.44 km²100% commune
- Coulmier-le-Sec13.87 km²42% commune
- Charrey-sur-Seine13.21 km²100% commune
- Duesme13.15 km²100% commune
- Aisey-sur-Seine12.65 km²100% commune
- Rochefort-sur-Brévon11.89 km²99% commune
- Orret11.37 km²100% commune
- Poiseul-la-Grange10.90 km²46% commune
- Busseaut10.89 km²100% commune
- Neuville-sur-Seine10.72 km²74% commune
- Plaines-Saint-Lange10.58 km²100% commune
- Courteron10.37 km²100% commune
- Massingy9.27 km²100% commune
- Brémur-et-Vaurois9.24 km²100% commune
- Montliot-et-Courcelles8.99 km²100% commune
- Cérilly8.58 km²61% commune
- Saint-Marc-sur-Seine8.35 km²98% commune
- Beaunotte8.34 km²100% commune
- Meulson7.88 km²100% commune
- Gomméville7.78 km²74% commune
- Saint-Germain-le-Rocheux7.73 km²100% commune
- Moitron7.55 km²49% commune
- Essoyes6.76 km²19% commune
- Noiron-sur-Seine6.75 km²60% commune
- Beaulieu6.33 km²96% commune
- Chaumont-le-Bois6.16 km²82% commune
- Grancey-sur-Ource6.15 km²26% commune
- Villers-Patras6.03 km²100% commune
- Poncey-sur-l'Ignon5.88 km²36% commune
- Chemin-d'Aisey5.83 km²68% commune
- Prusly-sur-Ource5.33 km²33% commune
- Source-Seine5.25 km²32% commune
- Origny5.24 km²100% commune
- Obtrée5.15 km²100% commune
- Bouix5.05 km²32% commune
- Magny-Lambert4.70 km²36% commune
- Poiseul-la-Ville-et-Laperrière4.56 km²21% commune
- Semond4.32 km²73% commune
- Buxeuil4.04 km²92% commune
- Baigneux-les-Juifs3.59 km²28% commune
- Vix3.56 km²100% commune
- Minot3.50 km²10% commune
- Vannaire3.44 km²100% commune
- Étrochey3.30 km²100% commune
- Montmoyen3.24 km²17% commune
- Ampilly-les-Bordes2.91 km²20% commune
- Bligny-le-Sec2.73 km²16% commune
- Les Riceys2.53 km²6% commune
- Maisey-le-Duc2.51 km²20% commune
- Salives2.00 km²4% commune
- Frôlois1.73 km²5% commune
- Polisy1.43 km²13% commune
- Mosson0.46 km²6% commune
- Celles-sur-Ource0.43 km²5% commune
- Landreville0.09 km²1% commune
- Pellerey0.06 km²0% commune
- Loches-sur-Ource0.02 km²0% commune
- Saint-Broing-les-Moines0.02 km²0% commune
- Belan-sur-Ource0.01 km²0% commune
- Autricourt0.01 km²0% commune
13 intersecting protected areas
Massifs forestiers et vallées du châtillonnais
IUCN Not ReportedSpecial Protection Area (Birds Directive)
285.60 km² overlap
National Park - Buffer zone/Area of adhesion
273.20 km² overlap
Forêts
IUCN IINational Park - Core Area
64.72 km² overlap
Gîtes et habitats à chauves-souris en Bourgogne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
10.24 km² overlap
La Combe au Loup
IUCN IVBiotope Protection Order
4.06 km² overlap
Pelouses et forêts du Barséquanais
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.95 km² overlap
Special Areas of Conservation (Habitats Directive)
0.46 km² overlap
Land acquired by a regional conservatory of natural areas
0.45 km² overlap
Marais tufeux du Châtillonnais
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.24 km² overlap
4 more protected areassorted by overlap area
Land acquired by a regional conservatory of natural areas
0.08 km² overlap
pelouse et marais du moulin
IUCN IVLand acquired by a regional conservatory of natural areas
0.06 km² overlap
pelouse de rudemont
IUCN IVLand acquired by a regional conservatory of natural areas
0.05 km² overlap
pelouse de la cosvigne
IUCN IVLand 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
4 285 distinct species · 423 172 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 la Seine : 23 espèces reliées par 77 interactions GloBI sur 3 types (connectance 15.5%, filtre Serrano α=0.2). 9 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°
9,7°C
Annual rain
794mm
Moisture idx (CMI)
-0,01
Runoff
272mm/an
PET
805mm
AET
597mm
Mean slope
3,7°
Water table
248cm
Forest
19%
Crops
44%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)