HydroBASINS lev08 watershed · #2080509090
Bassin de la Nièvre
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 : Allier, Cher, Nièvre
Sub-basin area
1 838,2km²
Upstream area
18 223,1km²
Discharge
177,34m³/s
Mean elev.
251m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de l'Aron1697 km²
- Bassin de la Loire825 km²
3 dept-equivalent regions (GADM L2)
- 1469.4 km²79.7% of basin
- 373.7 km²20.3% of basin
- 0.0 km²0.0% of basin
109 communes (GADM L5)Available for FRA, RWA
- Lucenay-lès-Aix52.34 km²94% commune
- Thiel-sur-Acolin51.07 km²88% commune
- Prémery46.22 km²100% commune
- Lusigny45.21 km²100% commune
- Azy-le-Vif44.55 km²95% commune
- Nolay43.31 km²100% commune
- Chevagnes41.47 km²84% commune
- Luthenay-Uxeloup39.80 km²100% commune
- Dornes38.83 km²96% commune
- Saint-Ennemond38.51 km²100% commune
- Champlemy37.09 km²100% commune
- La Fermeté35.37 km²100% commune
- Chézy35.15 km²98% commune
- Chevenon33.13 km²100% commune
- Chapeau33.09 km²100% commune
- Sougy-sur-Loire32.34 km²100% commune
- Saint-Parize-le-Châtel31.39 km²64% commune
- Poiseux30.45 km²100% commune
- Montbeugny30.37 km²93% commune
- Sauvigny-les-Bois29.86 km²100% commune
- Gennetines29.40 km²74% commune
- Beaumont-la-Ferrière28.05 km²100% commune
- Saint-Benin-d'Azy27.68 km²78% commune
- Neuville-lès-Decize26.87 km²100% commune
- La Chapelle-aux-Chasses26.08 km²99% commune
- Toury-Lurcy25.98 km²100% commune
- Saint-Sulpice25.86 km²100% commune
- Druy-Parigny25.41 km²100% commune
- Avril-sur-Loire25.22 km²100% commune
- Montigny-aux-Amognes25.21 km²100% commune
- Mercy24.41 km²82% commune
- Sermoise-sur-Loire24.40 km²99% commune
- Saint-Germain-Chassenay24.28 km²100% commune
- Saint-Aubin-les-Forges24.13 km²91% commune
- Saint-Ouen-sur-Loire23.87 km²100% commune
- Urzy23.77 km²100% commune
- Giry23.34 km²100% commune
- Lurcy-le-Bourg22.61 km²100% commune
- Ourouër22.36 km²100% commune
- Bona21.07 km²89% commune
- Beaumont-Sardolles20.77 km²70% commune
- Fleury-sur-Loire20.06 km²100% commune
- Cossaye19.64 km²38% commune
- Decize19.63 km²41% commune
- Saint-Benin-des-Bois19.49 km²100% commune
- Parigny-les-Vaux19.09 km²60% commune
- Saint-Jean-aux-Amognes18.98 km²100% commune
- Dompierre-sur-Nièvre18.88 km²100% commune
- Saint-Franchy18.82 km²95% commune
- Challuy18.39 km²95% commune
- Châteauneuf-Val-de-Bargis18.24 km²38% commune
- Balleray16.34 km²100% commune
- Imphy16.31 km²100% commune
- Saint-Éloi16.10 km²100% commune
- Saint-Bonnot15.90 km²100% commune
- Nevers15.89 km²90% commune
- Saint-Parize-en-Viry15.53 km²100% commune
- Saint-Malo-en-Donziois14.63 km²96% commune
- Varennes-Vauzelles13.51 km²40% commune
- Saint-Martin-d'Heuille13.35 km²100% commune
- Arzembouy12.88 km²100% commune
- La Machine11.24 km²64% commune
- Saint-Pierre-le-Moûtier11.20 km²23% commune
- Coulanges-lès-Nevers11.08 km²100% commune
- Oulon10.82 km²100% commune
- Saint-Firmin10.58 km²100% commune
- Sainte-Marie9.73 km²61% commune
- Montenoison9.73 km²57% commune
- Gimouille8.12 km²57% commune
- Béard7.69 km²100% commune
- Guérigny7.66 km²100% commune
- Arbourse7.32 km²81% commune
- Marzy7.28 km²34% commune
- Limon7.20 km²89% commune
- Toury-sur-Jour6.91 km²28% commune
- Colméry6.43 km²27% commune
- Saint-Léger-des-Vignes6.29 km²67% commune
- Oudan6.03 km²30% commune
- Moussy5.95 km²49% commune
- Sichamps5.61 km²100% commune
- La Celle-sur-Nièvre5.43 km²42% commune
- Trois-Vèvres5.09 km²69% commune
- Magny-Cours4.85 km²15% commune
- Yzeure4.53 km²10% commune
- Billy-Chevannes4.30 km²18% commune
- Aurouër3.99 km²15% commune
- Crux-la-Ville3.35 km²7% commune
- Neuilly-le-Réal3.33 km²7% commune
- Vaumas2.60 km²7% commune
- Trévol2.01 km²5% commune
- Murlin1.99 km²13% commune
- Menou1.98 km²12% commune
- Corvol-d'Embernard1.92 km²20% commune
- Arthel1.82 km²24% commune
- Paray-le-Frésil1.73 km²5% commune
- Authiou1.33 km²18% commune
- Varzy1.23 km²3% commune
- Chaulgnes0.68 km²3% commune
- Chazeuil0.61 km²13% commune
- Marcy0.55 km²4% commune
- Thionne0.40 km²1% commune
- Raveau0.12 km²0% commune
- Gannay-sur-Loire0.11 km²0% commune
- Toulon-sur-Allier0.09 km²0% commune
- Thianges0.09 km²1% commune
- Saint-Voir0.08 km²0% commune
- Dompierre-sur-Besbre0.04 km²0% commune
- Chantenay-Saint-Imbert0.01 km²0% commune
- Cuffy0.00 km²0% commune
11 intersecting protected areas
Special Protection Area (Birds Directive)
286.87 km² overlap
Special Areas of Conservation (Habitats Directive)
286.87 km² overlap
Sologne bourbonnaise
IUCN Not ReportedSpecial Protection Area (Birds Directive)
122.33 km² overlap
Val de Loire nivernais
IUCN Not ReportedSpecial Protection Area (Birds Directive)
47.87 km² overlap
Val de Loire nivernais
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
18.64 km² overlap
Vallées de la Loire et de l'Allier entre Cher et Nièvre
IUCN Not ReportedSpecial Protection Area (Birds Directive)
13.28 km² overlap
Vallées de la Loire et de l'Allier entre Cher et Nièvre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
13.28 km² overlap
Étangs de Sologne bourbonnaise
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.70 km² overlap
Mardelles De Prémery
IUCN IVRegional Nature Reserve
2.55 km² overlap
2 more protected areassorted by overlap area
les iles du chamon
IUCN IVLand acquired by a regional conservatory of natural areas
0.72 km² overlap
La Frayère D\'Alose
IUCN IVBiotope Protection Order
0.18 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 488 distinct species · 654 834 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Nièvre : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 94 interactions GloBI sur 6 types (connectance 16.8%, filtre Serrano α=0.2). 10 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°
10,6°C
Annual rain
754mm
Moisture idx (CMI)
-0,13
Runoff
276mm/an
PET
868mm
AET
619mm
Mean slope
2,5°
Water table
172cm
Forest
16%
Crops
16%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)