HydroBASINS lev08 watershed · #2080362070
Bassin de IJssel
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 16 administrative regions : Apeldoorn, Deventer, Elburg, Epe, Hattem +11
Sub-basin area
1 043,5km²
Upstream area
4 533,2km²
Discharge
58,41m³/s
Mean elev.
12m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Buurserbeek537 km²
- Bassin de Coldenhovense Beek235 km²
16 dept-equivalent regions (GADM L2)
- 154.1 km²14.7% of basin
- 141.7 km²13.5% of basin
- 120.9 km²11.5% of basin
- 118.6 km²11.3% of basin
- 116.2 km²11.1% of basin
- 83.0 km²7.9% of basin
- 80.6 km²7.7% of basin
- 69.2 km²6.6% of basin
8 moreFull L2 list
- Voorst66.7 km² · 6.4%
- Zwolle37.4 km² · 3.6%
- Hattem24.0 km² · 2.3%
- Hellendoorn11.7 km² · 1.1%
- Zwartewaterland8.6 km² · 0.8%
- Elburg8.5 km² · 0.8%
- IJsselmeer4.5 km² · 0.4%
- Nunspeet1.8 km² · 0.2%
17 intersecting protected areas
NNN-GE
IUCN Not AssignedNature Reserves owned by professional nature management organizations
204.12 km² overlap
Veluwe
IUCN IVNature Conservation Act
180.92 km² overlap
Veluwe
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
180.92 km² overlap
Veluwe
IUCN Not ReportedSpecial Protection Area (Birds Directive)
180.92 km² overlap
NNN-OV
IUCN Not AssignedNature Reserves owned by professional nature management organizations
63.85 km² overlap
Rijntakken
IUCN IVNature Conservation Act
41.49 km² overlap
Rijntakken
IUCN Not ReportedSpecial Protection Area (Birds Directive)
41.49 km² overlap
Rijntakken
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
11.00 km² overlap
Ketelmeer and Vossemeer
IUCN IVWetland of International Importance (Ramsar Site)
4.48 km² overlap
8 more protected areassorted by overlap area
Ketelmeer & Vossemeer
IUCN IVNature Conservation Act
4.48 km² overlap
Ketelmeer & Vossemeer
IUCN Not ReportedSpecial Protection Area (Birds Directive)
4.48 km² overlap
Sallandse Heuvelrug
IUCN IVNature Conservation Act
2.49 km² overlap
Sallandse Heuvelrug
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2.49 km² overlap
Sallandse Heuvelrug
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.49 km² overlap
Sallandse Heuvelrug
IUCN IINational Park
2.48 km² overlap
Boetelerveld
IUCN IVNature Conservation Act
1.71 km² overlap
Boetelerveld
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.71 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 324 distinct species · 2 799 326 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 IJssel : 34 espèces + 6 bulles famille, 94 interactions GloBI documentées sur 4 types (connectance 12.1%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
9,2°C
Annual rain
777mm
Moisture idx (CMI)
0,11
Runoff
472mm/an
PET
687mm
AET
542mm
Mean slope
0,5°
Water table
47cm
Forest
16%
Crops
12%
Urban
22%
Protected
23%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)