HydroBASINS lev08 watershed · #2080243720
Bassin de Nordmarksälven
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 : Degerfors, Filipstad, Hagfors, Hällefors, Karlskoga +3
Sub-basin area
1 710,7km²
Upstream area
1 710,7km²
Discharge
18,91m³/s
Mean elev.
200m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
8 dept-equivalent regions (GADM L2)
- 906.5 km²52.7% of basin
- 452.0 km²26.3% of basin
- 203.8 km²11.8% of basin
- 65.5 km²3.8% of basin
- 46.7 km²2.7% of basin
- 34.6 km²2.0% of basin
- 11.0 km²0.6% of basin
- 0.0 km²0.0% of basin
30 intersecting protected areas
Brattforsheden
IUCN VNatura 2000 SCI
56.11 km² overlap
Brattforsheden
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
56.11 km² overlap
2002222 Brattforsheden
IUCN VNature Conservation Area
54.94 km² overlap
Lungälvens myrar
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.26 km² overlap
Lungälvens myrar
IUCN Not AssignedNatura 2000 SCI
6.26 km² overlap
2048720 Hållsjöskogen
IUCN IaNature Reserve
5.87 km² overlap
SK 520-2018
IUCN IVNature conservation agreement
4.75 km² overlap
2005651 Lokadalen
IUCN IaNature Reserve
4.42 km² overlap
2045803 Stor-Älgsjön
IUCN IaNature Reserve
2.73 km² overlap
21 more protected areassorted by overlap area
2043606 Nordmarksmyrarna
IUCN IaNature Reserve
2.53 km² overlap
2002141 Lungälvens ravinsystem
IUCN IIINature Reserve
2.47 km² overlap
Lungälvsravinerna
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.47 km² overlap
Lungälvsravinerna
IUCN IIINatura 2000 SCI
2.47 km² overlap
Nordmarksmyrarna
IUCN IaNatura 2000 SCI
2.43 km² overlap
Nordmarksmyrarna
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.43 km² overlap
2000275 Murstensdalen
IUCN IVNature Reserve
2.35 km² overlap
Murstensdalen
IUCN IVNatura 2000 SCI
2.35 km² overlap
Murstensdalen
IUCN IVNatura 2000 SPA
2.35 km² overlap
Murstensdalen
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2.35 km² overlap
Murstensdalen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.35 km² overlap
Geijersdalsmossen
IUCN IaNatura 2000 SCI
2.25 km² overlap
Geijersdalsmossen
IUCN IaNatura 2000 SPA
2.25 km² overlap
2002148 Geijersdalsmossen
IUCN IaNature Reserve
2.25 km² overlap
Geijersdalsmossen
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2.25 km² overlap
Geijersdalsmossen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.25 km² overlap
2042126 Blecktjärnsskogen
IUCN IaNature Reserve
2.24 km² overlap
2000227 Lunedet
IUCN Not AssignedNature Reserve
1.88 km² overlap
2005588 Trösälven
IUCN IaNature Reserve
1.35 km² overlap
2002826 Stora Vilången
IUCN IaNature Reserve
1.12 km² overlap
2052185 Stormossen Finndalen
IUCN IaNature Reserve
1.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 398 distinct species · 267 593 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Nordmarksälven : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 6 types (connectance 17.7%, 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°
4,9°C
Annual rain
683mm
Moisture idx (CMI)
0,15
Runoff
331mm/an
PET
582mm
AET
455mm
Mean slope
3,1°
Water table
298cm
Forest
85%
Crops
0%
Urban
1%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)