HydroBASINS lev08 watershed · #2080376970
Bassin de Weser
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 8 administrative regions : Hameln-Pyrmont, Hildesheim, Holzminden, Höxter, Kassel +3
Sub-basin area
1 387,8km²
Upstream area
16 129,2km²
Discharge
153,8m³/s
Mean elev.
230m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Diemel1763 km²
- Bassin de Weser594 km²
8 dept-equivalent regions (GADM L2)
- Höxter716.2 km²51.4% of basin
- Holzminden562.8 km²40.4% of basin
- 86.0 km²6.2% of basin
- 12.8 km²0.9% of basin
- Northeim8.8 km²0.6% of basin
- Paderborn4.9 km²0.4% of basin
- 1.5 km²0.1% of basin
- Hildesheim0.0 km²0.0% of basin
30 intersecting protected areas
Sollingvorland-Wesertal
IUCN VLandscape Protection Area
197.48 km² overlap
Sollingvorland
IUCN Not ReportedSpecial Protection Area (Birds Directive)
153.81 km² overlap
Solling-Vogler
IUCN VLandscape Protection Area
140.37 km² overlap
Landscape Protection Area
114.64 km² overlap
LSG-Beverungen
IUCN VLandscape Protection Area
56.77 km² overlap
LSG-Hoexter Ost
IUCN VLandscape Protection Area
50.57 km² overlap
Burgberg, Heinsener Klippen, Rühler Schweiz
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
26.96 km² overlap
Landscape Protection Area
22.73 km² overlap
Landscape Protection Area
17.11 km² overlap
21 more protected areassorted by overlap area
Stadtwald Brakel
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
15.70 km² overlap
Hinnenburger Forst mit Emder Bachtal
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
13.86 km² overlap
Ith
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
12.62 km² overlap
Landscape Protection Area
11.83 km² overlap
LSG-Nieheimer Land
IUCN VLandscape Protection Area
11.22 km² overlap
Nature Reserve
10.99 km² overlap
Ith
IUCN IVNature Reserve
10.20 km² overlap
Wälder um Beverungen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
9.08 km² overlap
NSG Gradberg
IUCN IVNature Reserve
9.05 km² overlap
Gradberg
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
7.80 km² overlap
Nethe
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
7.35 km² overlap
NSG Nethe <VO>
IUCN IVNature Reserve
6.43 km² overlap
Buchenwälder der Weserhänge
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.37 km² overlap
Solling
IUCN VLandscape Protection Area
6.26 km² overlap
Wesertal
IUCN VLandscape Protection Area
6.15 km² overlap
Nature Reserve
5.43 km² overlap
Nature Reserve
5.08 km² overlap
Nature Reserve
4.53 km² overlap
Holzberg bei Stadtoldendorf, Heukenberg
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.45 km² overlap
Nature Reserve
4.41 km² overlap
Nature Reserve
3.73 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 852 distinct species · 134 893 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 Weser : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 124 interactions GloBI sur 6 types (connectance 17.6%, filtre Serrano α=0.2). 18 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°
8,4°C
Annual rain
795mm
Moisture idx (CMI)
0,11
Runoff
346mm/an
PET
705mm
AET
564mm
Mean slope
5,2°
Water table
283cm
Forest
18%
Crops
29%
Urban
5%
Protected
50%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)