HydroBASINS lev08 watershed · #2080509100
Bassin de l'Arroux
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 : Côte-d'Or, Saône-et-Loire
Sub-basin area
863,4km²
Upstream area
863,5km²
Discharge
9,38m³/s
Mean elev.
405m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 480.2 km²55.5% of basin
- 385.6 km²44.5% of basin
78 communes (GADM L5)Available for FRA, RWA
- Auxy37.34 km²100% commune
- Autun35.28 km²56% commune
- Viévy33.41 km²100% commune
- Sully31.82 km²100% commune
- Curgy31.42 km²100% commune
- Épinac26.16 km²100% commune
- Jouey24.36 km²100% commune
- Magnien24.25 km²100% commune
- Igornay21.53 km²100% commune
- Voudenay21.52 km²100% commune
- Dracy-Saint-Loup21.48 km²100% commune
- Saint-Léger-du-Bois21.34 km²100% commune
- Reclesne19.60 km²93% commune
- Manlay19.23 km²100% commune
- Allerey18.99 km²99% commune
- Marcheseuil17.70 km²100% commune
- Maligny16.95 km²100% commune
- Saint-Émiland16.64 km²68% commune
- Saisy16.59 km²94% commune
- Barnay15.37 km²97% commune
- Saint-Gervais-sur-Couches14.92 km²72% commune
- Sussey14.87 km²70% commune
- Arconcey14.25 km²96% commune
- Mimeure14.10 km²100% commune
- Antully13.55 km²36% commune
- Thury13.25 km²100% commune
- Molinot13.01 km²100% commune
- Saint-Martin-de-Commune12.58 km²85% commune
- Saint-Forgeot12.39 km²79% commune
- Censerey12.29 km²100% commune
- Foissy11.87 km²75% commune
- Aubigny-la-Ronce11.79 km²100% commune
- Arnay-le-Duc11.78 km²100% commune
- Liernais11.04 km²38% commune
- Saint-Pierre-en-Vaux10.98 km²100% commune
- Saint-Prix-lès-Arnay10.98 km²100% commune
- Cordesse10.85 km²100% commune
- Essey10.48 km²82% commune
- Diancey9.93 km²100% commune
- Tintry9.42 km²100% commune
- Jours-en-Vaux8.84 km²100% commune
- Vianges8.77 km²100% commune
- Clomot8.41 km²100% commune
- Saussey7.77 km²89% commune
- Ivry-en-Montagne7.74 km²71% commune
- Bard-le-Régulier7.51 km²80% commune
- Lacanche7.13 km²100% commune
- Antigny-la-Ville7.11 km²89% commune
- Meilly-sur-Rouvres6.59 km²43% commune
- Morlet6.53 km²100% commune
- Champignolles6.51 km²100% commune
- Santosse6.16 km²77% commune
- Musigny6.11 km²100% commune
- Châtellenot6.06 km²51% commune
- Brazey-en-Morvan6.00 km²35% commune
- Thomirey5.59 km²75% commune
- Collonge-la-Madeleine5.14 km²100% commune
- Longecourt-lès-Culêtre4.23 km²100% commune
- Culètre4.17 km²75% commune
- Cussy-la-Colonne4.11 km²67% commune
- Montceau-et-Écharnant3.36 km²18% commune
- Le Fête3.10 km²100% commune
- Couches2.14 km²11% commune
- Nolay1.92 km²13% commune
- Cussy-le-Châtel1.82 km²25% commune
- Chazilly1.62 km²18% commune
- Dracy-lès-Couches1.61 km²20% commune
- Savilly1.31 km²16% commune
- Tavernay0.96 km²4% commune
- Cormot-le-Grand0.82 km²13% commune
- Lucenay-l'Évêque0.63 km²2% commune
- Beurey-Bauguay0.22 km²3% commune
- Saint-Firmin0.16 km²1% commune
- Blanot0.14 km²1% commune
- Épertully0.08 km²3% commune
- Broye0.06 km²0% commune
- Sommant0.04 km²0% commune
- Écutigny0.01 km²0% commune
7 intersecting protected areas
Morvan
IUCN VRegional Nature Park
87.18 km² overlap
Special Areas of Conservation (Habitats Directive)
9.43 km² overlap
Arrière côte de Dijon et de Beaune
IUCN Not ReportedSpecial Protection Area (Birds Directive)
8.03 km² overlap
Gîtes et habitats à chauves-souris en Bourgogne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
7.39 km² overlap
Vallon de Canada et barrage du Pont du Roi
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.76 km² overlap
foret de montmain
IUCN IVLand acquired by a regional conservatory of natural areas
0.52 km² overlap
Land acquired by a regional conservatory of natural areas
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 848 distinct species · 236 636 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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'Arroux : 33 espèces + 4 bulles famille, 77 interactions GloBI documentées sur 3 types (connectance 11.6%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
10,0°C
Annual rain
815mm
Moisture idx (CMI)
0,03
Runoff
342mm/an
PET
791mm
AET
608mm
Mean slope
3,6°
Water table
248cm
Forest
12%
Crops
8%
Urban
1%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)