HydroBASINS lev08 watershed · #2080428180
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 1 administrative regions : Main-Spessart
Sub-basin area
11,2km²
Upstream area
14 987,8km²
Discharge
107,24m³/s
Mean elev.
276m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Main741 km²
- Bassin de Wern601 km²
1 dept-equivalent regions (GADM L2)
- 11.3 km²100.0% of basin
2 intersecting protected areas
Landscape Protection Area
7.09 km² overlap
Winterquartiere der Mopsfledermaus im Spessart
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 573 distinct species · 12 983 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 Main : 24 espèces reliées par 145 interactions GloBI sur 6 types (connectance 21.8%, filtre Serrano α=0.2). 13 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°
9,0°C
Annual rain
655mm
Moisture idx (CMI)
-0,17
Runoff
257mm/an
PET
793mm
AET
549mm
Mean slope
8,5°
Water table
609cm
Forest
66%
Crops
16%
Urban
23%
Protected
62%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)