HydroBASINS lev08 watershed · #2080454370
Bassin de Altmühl
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 : Eichstätt
Sub-basin area
50,8km²
Upstream area
2 217,1km²
Discharge
17,94m³/s
Mean elev.
482m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Altmühl1657 km²
- Bassin de Schwarzach509 km²
4 intersecting protected areas
Landscape Protection Area
28.62 km² overlap
Mittleres Altmühltal mit Wellheimer Trockental und Schambachtal
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.03 km² overlap
Felsen und Hangwälder im Altmühltal und Wellheimer Trockental
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.87 km² overlap
Fledermauswinterquartiere in der südlichen Frankenalb
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
2 268 distinct species · 18 409 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Altmühl : 20 espèces reliées par 68 interactions GloBI sur 5 types (connectance 18.0%, filtre Serrano α=0.2). 8 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°
7,9°C
Annual rain
746mm
Moisture idx (CMI)
-0,02
Runoff
276mm/an
PET
762mm
AET
601mm
Mean slope
4,8°
Water table
352cm
Forest
36%
Crops
27%
Urban
0%
Protected
56%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)