HydroBASINS lev08 watershed · #2080243850
Bassin de Lierelva
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 13 administrative regions across 2 countries : Aremark, Aurskog-Høland, Dals-Ed, Eidsberg, Fet +8
Sub-basin area
1 334km²
Upstream area
1 334km²
Discharge
18,76m³/s
Mean elev.
204m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
13 dept-equivalent regions (GADM L2)
- 771.8 km²57.5% of basin
- 354.8 km²26.5% of basin
- 146.2 km²10.9% of basin
- 18.9 km²1.4% of basin
- 13.9 km²1.0% of basin
- 11.8 km²0.9% of basin
- 9.9 km²0.7% of basin
- 8.0 km²0.6% of basin
30 intersecting protected areas
Nature Reserve
6.94 km² overlap
Vestfjella
IUCN IaNature Reserve
6.18 km² overlap
Fjella
IUCN IaNature Reserve
5.66 km² overlap
Vestfjella
IUCN Not ReportedEmerald Network
5.54 km² overlap
Svenken
IUCN Not ReportedEmerald Network
5.49 km² overlap
Midtfjellmosen
IUCN IaNature Reserve
4.54 km² overlap
Midtfjellmosen
IUCN Not ReportedEmerald Network
4.54 km² overlap
Tjøstøl
IUCN Not ReportedEmerald Network
4.32 km² overlap
Tjøstøl
IUCN IaNature Reserve
4.31 km² overlap
21 more protected areassorted by overlap area
Prestehesten
IUCN IaNature Reserve
2.74 km² overlap
Nature Reserve
2.04 km² overlap
Storfelten
IUCN IaNature Reserve
1.84 km² overlap
Kragtorpvika
IUCN IaNature Reserve
1.67 km² overlap
Fagermåsan
IUCN IaNature Reserve
1.40 km² overlap
Fuglemosehøgda
IUCN IaNature Reserve
1.24 km² overlap
Gjølsjøen
IUCN IaNature Reserve
1.20 km² overlap
Gjølsjøen
IUCN Not ReportedEmerald Network
1.20 km² overlap
Storfelten
IUCN Not ReportedEmerald Network
1.09 km² overlap
2041805 Öjersbyn
IUCN IaNature Reserve
1.06 km² overlap
Burumtjern
IUCN IaNature Reserve
0.94 km² overlap
Hellesjøvann
IUCN IaNature Reserve
0.70 km² overlap
Fagermosen
IUCN Not ReportedEmerald Network
0.68 km² overlap
Bredmosen
IUCN Not ReportedEmerald Network
0.66 km² overlap
Bredmosen
IUCN IaNature Reserve
0.66 km² overlap
Kollerudvika
IUCN IaNature Reserve
0.64 km² overlap
Linehøgda
IUCN IaNature Reserve
0.63 km² overlap
Knølltjenna
IUCN IaNature Reserve
0.61 km² overlap
Matholhøgda
IUCN IaNature Reserve
0.54 km² overlap
2005582 Låssbyn
IUCN IaNature Reserve
0.48 km² overlap
Bergsjø-Hølandselva
IUCN IVWildlife Conservation Area
0.44 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
8 160 distinct species · 331 005 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 Lierelva : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 99 interactions GloBI sur 6 types (connectance 14.1%, filtre Serrano α=0.2). 12 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°
5,1°C
Annual rain
804mm
Moisture idx (CMI)
0,34
Runoff
468mm/an
PET
531mm
AET
450mm
Mean slope
4,2°
Water table
322cm
Forest
83%
Crops
3%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)