HydroBASINS lev08 watershed · #2080436980
Bassin de Erf
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 : Aschaffenburg, Main-Spessart, Main-Tauber-Kreis, Miltenberg, Neckar-Odenwald-Kreis
Sub-basin area
494,5km²
Upstream area
21 063,1km²
Discharge
154,37m³/s
Mean elev.
341m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Tauber1808 km²
- Bassin de Main1003 km²
5 dept-equivalent regions (GADM L2)
- 192.4 km²38.8% of basin
- 125.1 km²25.2% of basin
- 119.4 km²24.1% of basin
- 54.7 km²11.0% of basin
- 4.5 km²0.9% of basin
30 intersecting protected areas
Landscape Protection Area
135.04 km² overlap
Landscape Protection Area
55.77 km² overlap
Spessart
IUCN Not ReportedSpecial Protection Area (Birds Directive)
35.89 km² overlap
Hochspessart
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
26.40 km² overlap
Odenwald und Bauland Hardheim
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
26.25 km² overlap
Freudenberg
IUCN VLandscape Protection Area
17.05 km² overlap
Wertheim (4 Teilgebiete)
IUCN VLandscape Protection Area
10.81 km² overlap
Erfatal
IUCN VLandscape Protection Area
8.15 km² overlap
Heiden und Wälder Tauberland
IUCN Not ReportedSpecial Protection Area (Birds Directive)
4.14 km² overlap
21 more protected areassorted by overlap area
Maintalhänge zwischen Bürgstadt und Wertheim
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.28 km² overlap
Sandstein Spessart
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.69 km² overlap
Buntsandsteinfelsen am Main
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.94 km² overlap
Schmalberg
IUCN VLandscape Protection Area
1.27 km² overlap
Nature Reserve
0.51 km² overlap
Seckachtal und Schefflenzer Wald
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.50 km² overlap
Nature Reserve
0.48 km² overlap
Steinbruchgelände bei Umpfenbach
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.47 km² overlap
Grohberg
IUCN IVNature Reserve
0.39 km² overlap
Waldstetter Tal
IUCN IVNature Reserve
0.34 km² overlap
Laubertal
IUCN IVNature Reserve
0.25 km² overlap
Nature Reserve
0.25 km² overlap
Wacholder und Brücklein
IUCN VLandscape Protection Area
0.22 km² overlap
Nature Reserve
0.17 km² overlap
Nature Reserve
0.16 km² overlap
Nature Reserve
0.15 km² overlap
Rohrberg
IUCN IVNature Reserve
0.10 km² overlap
Zimmerwald
IUCN VLandscape Protection Area
0.09 km² overlap
Westlicher Taubergrund
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.09 km² overlap
Erlenwald Röte - Strüt
IUCN IVNature Reserve
0.07 km² overlap
Unteres Taubertal
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 451 distinct species · 64 928 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Erf : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 122 interactions GloBI sur 6 types (connectance 20.5%, filtre Serrano α=0.2). 16 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°
9,1°C
Annual rain
718mm
Moisture idx (CMI)
-0,09
Runoff
269mm/an
PET
789mm
AET
581mm
Mean slope
7,1°
Water table
411cm
Forest
43%
Crops
26%
Urban
5%
Protected
46%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)