HydroBASINS lev08 watershed · #2080454680
Bassin de la Marne
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 1 administrative regions : Seine-et-Marne
Sub-basin area
111,2km²
Upstream area
9 533,9km²
Discharge
75,84m³/s
Mean elev.
117m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de la Marne1729 km²
- Bassin du Petit Morin629 km²
1 dept-equivalent regions (GADM L2)
- 111.5 km²100.0% of basin
23 communes (GADM L5)Available for FRA, RWA
- Ussy-sur-Marne14.16 km²100% commune
- Saint-Jean-les-Deux-Jumeaux13.35 km²98% commune
- Signy-Signets10.80 km²84% commune
- Tancrou10.50 km²86% commune
- Jaignes10.39 km²100% commune
- Changis-sur-Marne6.95 km²100% commune
- Chamigny6.76 km²48% commune
- Jouarre6.56 km²15% commune
- Sammeron6.47 km²100% commune
- Armentières-en-Brie6.28 km²90% commune
- La Ferté-sous-Jouarre4.25 km²43% commune
- Sept-Sorts2.74 km²99% commune
- Isles-les-Meldeuses2.65 km²38% commune
- Montceaux-lès-Meaux2.51 km²54% commune
- Cocherel2.06 km²26% commune
- Mary-sur-Marne1.21 km²49% commune
- Sainte-Aulde1.17 km²14% commune
- Dhuisy0.93 km²12% commune
- Pierre-Levée0.85 km²6% commune
- Trilport0.76 km²7% commune
- Villemareuil0.08 km²1% commune
- Vendrest0.06 km²0% commune
- Germigny-l'Évêque0.03 km²0% commune
3 intersecting protected areas
Boucles de la Marne
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2.07 km² overlap
Bois des réserves, des usages et de Montgé
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.99 km² overlap
ru de la becotte
IUCN IVLand 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
2 543 distinct species · 72 656 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Marne : 28 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 100 interactions GloBI sur 5 types (connectance 12.8%, filtre Serrano α=0.2). 12 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°
10,3°C
Annual rain
638mm
Moisture idx (CMI)
-0,22
Runoff
211mm/an
PET
821mm
AET
538mm
Mean slope
2,7°
Water table
230cm
Forest
1%
Crops
69%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)