HydroBASINS lev08 watershed · #2080470770
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 4 administrative regions : Aube, Marne, Seine-et-Marne, Yonne
Sub-basin area
1 671,8km²
Upstream area
10 268,4km²
Discharge
75,33m³/s
Mean elev.
115m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de la Seine745 km²
- Bassin de l'Aube191 km²
4 dept-equivalent regions (GADM L2)
- 788.7 km²47.0% of basin
- 673.3 km²40.1% of basin
- 129.3 km²7.7% of basin
- 85.6 km²5.1% of basin
156 communes (GADM L5)Available for FRA, RWA
- Perceneige40.26 km²66% commune
- Beauchery-Saint-Martin27.99 km²100% commune
- Avant-lès-Marcilly27.81 km²100% commune
- Louan-Villegruis-Fontaine27.68 km²73% commune
- Trancault27.25 km²100% commune
- Saint-Maurice-aux-Riches-Hommes25.30 km²75% commune
- Marcilly-le-Hayer24.98 km²73% commune
- Sourdun23.97 km²100% commune
- Voulton23.69 km²89% commune
- Saint-Lupien23.07 km²100% commune
- Bazoches-lès-Bray22.03 km²99% commune
- Léchelle21.80 km²100% commune
- La Forestière21.62 km²96% commune
- Saint-Hilaire-sous-Romilly20.69 km²100% commune
- Villenauxe-la-Petite20.69 km²100% commune
- Marigny-le-Châtel20.40 km²100% commune
- Montigny-Lencoup20.16 km²93% commune
- Nogent-sur-Seine20.05 km²100% commune
- Traînel19.92 km²100% commune
- La Saulsotte18.99 km²100% commune
- Melz-sur-Seine18.83 km²100% commune
- Barbuise18.59 km²100% commune
- Pars-lès-Romilly18.15 km²100% commune
- Chalautre-la-Grande18.13 km²100% commune
- Bourdenay18.05 km²100% commune
- Villenauxe-la-Grande18.03 km²100% commune
- Rigny-la-Nonneuse17.87 km²100% commune
- Saint-Aubin17.69 km²100% commune
- Prunay-Belleville16.86 km²65% commune
- Saint-Hilliers16.64 km²85% commune
- Égligny16.51 km²100% commune
- Soligny-les-Étangs16.35 km²100% commune
- Fontaine-Mâcon16.16 km²100% commune
- Saint-Martin-de-Bossenay16.12 km²100% commune
- Hermé16.06 km²100% commune
- Ferreux-Quincey16.04 km²100% commune
- Jaulnes16.00 km²100% commune
- Ossey-les-Trois-Maisons15.94 km²98% commune
- Bethon15.90 km²100% commune
- Pont-sur-Seine15.69 km²100% commune
- Provins14.80 km²100% commune
- Chenoise14.76 km²41% commune
- Saint-Flavy14.33 km²82% commune
- Gouaix14.07 km²100% commune
- La Louptière-Thénard13.61 km²100% commune
- Balloy13.60 km²100% commune
- Châtenay-sur-Seine13.36 km²100% commune
- Mortery13.25 km²100% commune
- Avon-la-Pèze12.97 km²100% commune
- Le Mériot12.78 km²100% commune
- Bercenay-le-Hayer12.74 km²87% commune
- Les Ormes-sur-Voulzie12.71 km²100% commune
- Donnemarie-Dontilly12.41 km²100% commune
- Faux-Villecerf12.32 km²58% commune
- Fontaine-Fourches12.13 km²100% commune
- Noyen-sur-Seine12.12 km²100% commune
- Gélannes11.95 km²100% commune
- La Motte-Tilly11.76 km²100% commune
- Saint-Nicolas-la-Chapelle11.76 km²100% commune
- Romilly-sur-Seine11.68 km²46% commune
- Soisy-Bouy11.67 km²100% commune
- Gurcy-le-Châtel11.58 km²91% commune
- Villiers-sur-Seine11.43 km²100% commune
- Saint-Brice11.26 km²100% commune
- Marolles-sur-Seine11.18 km²54% commune
- Vimpelles11.15 km²100% commune
- Gumery11.14 km²100% commune
- Saint-Loup-de-Naud10.98 km²100% commune
- Courcelles-en-Bassée10.95 km²100% commune
- Chalmaison10.39 km²100% commune
- Vulaines-lès-Provins10.37 km²100% commune
- Saint-Loup-de-Buffigny10.14 km²100% commune
- Marnay-sur-Seine9.87 km²100% commune
- Salins9.80 km²94% commune
- Esclavolles-Lurey9.74 km²100% commune
- Sognolles-en-Montois9.69 km²91% commune
- Villuis9.53 km²100% commune
- Potangis9.41 km²100% commune
- Villadin9.33 km²73% commune
- Chalautre-la-Petite9.32 km²100% commune
- La Celle-sous-Chantemerle9.22 km²78% commune
- Mousseaux-lès-Bray9.19 km²98% commune
- Laval-en-Brie9.03 km²45% commune
- Saint-Germain-Laval8.95 km²100% commune
- Nesle-la-Reposte8.72 km²83% commune
- Mouy-sur-Seine8.70 km²100% commune
- Montgenost8.70 km²100% commune
- Crancey8.63 km²100% commune
- Everly8.50 km²100% commune
- Sainte-Colombe8.24 km²100% commune
- Montpothier8.20 km²100% commune
- Chantemerle8.16 km²100% commune
- Fontenay-de-Bossery8.13 km²100% commune
- Compigny8.04 km²99% commune
- Montigny-le-Guesdier7.47 km²97% commune
- Gravon7.37 km²100% commune
- Rouilly7.33 km²100% commune
- La Tombe7.30 km²93% commune
- Marcilly-sur-Seine7.19 km²70% commune
- Savins7.09 km²100% commune
- Cucharmoy7.05 km²53% commune
- Maison-Rouge7.05 km²50% commune
- Charmoy6.98 km²100% commune
- Périgny-la-Rose6.97 km²100% commune
- Grisy-sur-Seine6.50 km²100% commune
- Courceroy6.48 km²100% commune
- Origny-le-Sec6.44 km²40% commune
- Mons-en-Montois6.25 km²100% commune
- Meigneux6.21 km²78% commune
- La Villeneuve-au-Châtelot6.13 km²100% commune
- Courchamp6.12 km²52% commune
- Saint-Sauveur-lès-Bray6.10 km²100% commune
- Villiers-aux-Corneilles6.10 km²100% commune
- Poigny6.03 km²100% commune
- Bouy-sur-Orvin5.96 km²100% commune
- La Chapelle-Saint-Sulpice5.93 km²93% commune
- Fay-lès-Marcilly5.83 km²100% commune
- Conflans-sur-Seine5.78 km²100% commune
- Fontaine-Denis-Nuisy5.74 km²44% commune
- Forges5.63 km²43% commune
- Lizines5.56 km²100% commune
- Thénisy5.56 km²100% commune
- Plessis-Barbuise5.46 km²100% commune
- Longueville5.35 km²100% commune
- Luisetaines5.09 km²100% commune
- Les Essarts-le-Vicomte5.07 km²47% commune
- Cessoy-en-Montois4.79 km²100% commune
- Sigy4.49 km²100% commune
- Jutigny4.49 km²100% commune
- Villiers-Saint-Georges4.48 km²14% commune
- Paroy4.35 km²100% commune
- Passy-sur-Seine4.30 km²100% commune
- Barbonne-Fayel4.27 km²18% commune
- Montereau-Fault-Yonne3.88 km²42% commune
- Baby3.79 km²100% commune
- La Fosse-Corduan3.60 km²100% commune
- Vinneuf3.16 km²20% commune
- Plessis-Saint-Jean2.90 km²27% commune
- Rupéreux2.82 km²43% commune
- Pailly2.59 km²18% commune
- Le Meix-Saint-Epoing2.20 km²19% commune
- Échemines2.03 km²11% commune
- Bray-sur-Seine1.99 km²100% commune
- Courlon-sur-Yonne1.72 km²10% commune
- Misy-sur-Yonne1.40 km²22% commune
- Courgenay1.33 km²5% commune
- Châtillon-sur-Morin1.29 km²7% commune
- Rampillon0.89 km²4% commune
- Pouy-sur-Vannes0.67 km²4% commune
- Maizières-la-Grande-Paroisse0.54 km²3% commune
- Villeneuve-les-Bordes0.46 km²2% commune
- Sergines0.33 km²2% commune
- Saron-sur-Aube0.18 km²1% commune
- Échouboulains0.18 km²1% commune
- Orvilliers-Saint-Julien0.14 km²1% commune
- Vanvillé0.13 km²2% commune
30 intersecting protected areas
Bassée et plaines adjacentes
IUCN Not ReportedSpecial Protection Area (Birds Directive)
246.96 km² overlap
La Bassée
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
14.04 km² overlap
La Bassée
IUCN IVNational Nature Reserve
8.67 km² overlap
Prairies, Marais et bois alluviaux de la Bassée
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
7.36 km² overlap
Coteaux Calcaires De Tréchy
IUCN IVBiotope Protection Order
0.59 km² overlap
Héronnière De Gravon
IUCN IVBiotope Protection Order
0.51 km² overlap
Carrière de Montpothier
IUCN IVBiotope Protection Order
0.43 km² overlap
bassee rnn
IUCN IVLand acquired by a regional conservatory of natural areas
0.42 km² overlap
Land acquired by a regional conservatory of natural areas
0.42 km² overlap
21 more protected areassorted by overlap area
Héronnière Des Motteux
IUCN IVBiotope Protection Order
0.41 km² overlap
Land acquired by a regional conservatory of natural areas
0.36 km² overlap
Plan D\'Eau De La Bachère
IUCN IVBiotope Protection Order
0.28 km² overlap
Regional Nature Reserve
0.27 km² overlap
Rivière du dragon
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
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
0.22 km² overlap
sablière de l\'erable
IUCN IVLand acquired by a regional conservatory of natural areas
0.20 km² overlap
Land acquired by a regional conservatory of natural areas
0.12 km² overlap
trechy
IUCN IVLand acquired by a regional conservatory of natural areas
0.12 km² overlap
pelouse de montacran
IUCN IVLand acquired by a regional conservatory of natural areas
0.11 km² overlap
etang du grand mort
IUCN IVLand acquired by a regional conservatory of natural areas
0.10 km² overlap
Land acquired by a regional conservatory of natural areas
0.09 km² overlap
prairie de monteuil
IUCN IVLand acquired by a regional conservatory of natural areas
0.07 km² overlap
Sites à chiroptères de Darvault, Mocpoix et Saint-Nicolas
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.07 km² overlap
Land acquired by a regional conservatory of natural areas
0.06 km² overlap
bassee voulzie-auxence
IUCN IVLand acquired by a regional conservatory of natural areas
0.06 km² overlap
bassee zh mouy-bray
IUCN IVLand acquired by a regional conservatory of natural areas
0.05 km² overlap
Biotope Protection Order
0.05 km² overlap
boisements le mousseau
IUCN IVLand acquired by a regional conservatory of natural areas
0.04 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
6 695 distinct species · 1 031 470 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 : 33 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 129 interactions GloBI sur 6 types (connectance 13.6%, filtre Serrano α=0.2). 11 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°
10,4°C
Annual rain
637mm
Moisture idx (CMI)
-0,25
Runoff
210mm/an
PET
851mm
AET
538mm
Mean slope
1,6°
Water table
130cm
Forest
3%
Crops
69%
Urban
2%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)