HydroBASINS lev08 watershed · #2080427280
Bassin de Main
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 5 administrative regions : Darmstadt-Dieburg, Frankfurt am Main, Main-Kinzig-Kreis, Offenbach, Offenbach am Main
Sub-basin area
415,9km²
Upstream area
24 884km²
Discharge
187,8m³/s
Mean elev.
130m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kinzig1062 km²
- Bassin de Main366 km²
5 dept-equivalent regions (GADM L2)
- 215.0 km²51.5% of basin
- 114.0 km²27.3% of basin
- 45.3 km²10.9% of basin
- 42.5 km²10.2% of basin
- 0.5 km²0.1% of basin
30 intersecting protected areas
Landkreis Offenbach
IUCN VLandscape Protection Area
101.53 km² overlap
Landscape Protection Area
51.65 km² overlap
Sandkiefernwälder in der östlichen Untermainebene
IUCN Not ReportedSpecial Protection Area (Birds Directive)
25.66 km² overlap
Stadt Offenbach
IUCN VLandscape Protection Area
17.74 km² overlap
Stadt Maintal
IUCN VLandscape Protection Area
11.69 km² overlap
Hessische Mainauen
IUCN VLandscape Protection Area
5.83 km² overlap
Schwanheimer Wald
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.17 km² overlap
Stadt Hanau
IUCN VLandscape Protection Area
3.15 km² overlap
Frankfurter Oberwald
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.01 km² overlap
21 more protected areassorted by overlap area
Luderbachaue von Dreieich
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.92 km² overlap
Luderbachaue von Dreieich
IUCN IVNature Reserve
2.92 km² overlap
Main bei Mühlheim und NSG 'Rumpenheimer und Bürgeler Kiesgruben'
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.26 km² overlap
NSG Nieder-Rodener Lache
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.19 km² overlap
Niederrodener Lache
IUCN IVNature Reserve
1.19 km² overlap
Bruch von Gravenbruch
IUCN IVNature Reserve
0.93 km² overlap
Erlensteg von Bieber
IUCN IVNature Reserve
0.75 km² overlap
NSG Bruch von Gravenbruch
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.74 km² overlap
Herrnröther- und Bornwaldswiesen von Sprendlingen mit angrenz.Fl.
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.51 km² overlap
Nature Reserve
0.49 km² overlap
Untermainschleusen
IUCN VLandscape Protection Area
0.47 km² overlap
Untermainschleusen
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.45 km² overlap
Hirzwald bei Mittelbuchen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.40 km² overlap
Oberwaldsee von Dietesheim
IUCN IVNature Reserve
0.33 km² overlap
Rodauwiesen bei Rollwald
IUCN IVNature Reserve
0.33 km² overlap
Mainaue bei Schleuse Kesselstadt
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.32 km² overlap
Neuwiese und Wald nordöstlich von Messel
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.30 km² overlap
Enkheimer Ried
IUCN IVNature Reserve
0.29 km² overlap
Waldstück westlich Bischofsheim
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.27 km² overlap
Nature Reserve
0.26 km² overlap
Nature Reserve
0.25 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 907 distinct species · 355 089 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 Main : 31 espèces reliées par 114 interactions GloBI sur 6 types (connectance 14.6%, 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°
9,9°C
Annual rain
654mm
Moisture idx (CMI)
-0,19
Runoff
252mm/an
PET
811mm
AET
551mm
Mean slope
1,1°
Water table
103cm
Forest
34%
Crops
9%
Urban
76%
Protected
47%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)