HydroBASINS lev08 watershed · #2080231800
Bassin de Jonsrudbekken
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 4 administrative regions : Eidsvoll, Nesodden, Nord-Odal, Sør-Odal
Sub-basin area
455,2km²
Upstream area
19 814km²
Discharge
303,93m³/s
Mean elev.
234m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Vesleåa829 km²
- Bassin de Glomma503 km²
4 dept-equivalent regions (GADM L2)
- 274.4 km²59.9% of basin
- 140.1 km²30.6% of basin
- 27.4 km²6.0% of basin
- 15.9 km²3.5% of basin
7 intersecting protected areas
Ertsrudberget
IUCN IaNature Reserve
1.61 km² overlap
Hatteråsen
IUCN IaNature Reserve
1.36 km² overlap
Stimannsberget
IUCN IaNature Reserve
0.38 km² overlap
Tretjernmyra
IUCN IaNature Reserve
0.21 km² overlap
Vindmyra
IUCN IaNature Reserve
0.17 km² overlap
Hvitmåsan
IUCN IaNature Reserve
0.14 km² overlap
Trinborgholen
IUCN IIINatural Monument
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 831 distinct species · 50 426 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 Jonsrudbekken : 26 espèces reliées par 102 interactions GloBI sur 6 types (connectance 15.3%, filtre Serrano α=0.2). 11 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°
4,2°C
Annual rain
771mm
Moisture idx (CMI)
0,30
Runoff
475mm/an
PET
538mm
AET
452mm
Mean slope
4,8°
Water table
326cm
Forest
82%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)