HydroBASINS lev08 watershed · #2080255070
Bassin de Hakerudsälven
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 5 administrative regions : Bengtsfors, Färgelanda, Mellerud, Uddevalla, Vänersborg
Sub-basin area
863,3km²
Upstream area
863,3km²
Discharge
11,37m³/s
Mean elev.
100m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 363.6 km²41.9% of basin
- 354.1 km²40.8% of basin
- 86.5 km²10.0% of basin
- 61.4 km²7.1% of basin
- 2.3 km²0.3% of basin
30 intersecting protected areas
Kroppefjäll
IUCN IbNatura 2000 SCI
10.39 km² overlap
Kroppefjäll
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
10.39 km² overlap
2000563 Kroppefjäll
IUCN IbNature Reserve
10.39 km² overlap
Trone mosse
IUCN Not AssignedNatura 2000 SCI
6.78 km² overlap
Trone mosse
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.78 km² overlap
2060502 Slättfjällsmossarnas naturreservat
IUCN Not AssignedNature Reserve
6.44 km² overlap
2053122 Kroppefjälls norra våtmarker
IUCN Not AssignedNature Reserve
1.96 km² overlap
2002981 Sjöbotten
IUCN IaNature Reserve
1.66 km² overlap
Lunnebo
IUCN Not AssignedNatura 2000 SCI
1.37 km² overlap
21 more protected areassorted by overlap area
Lunnebo
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.37 km² overlap
Hästefjordens strandängar
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.82 km² overlap
Hästefjordens strandängar
IUCN Not AssignedNatura 2000 SCI
0.82 km² overlap
2010946 Årbolsfjället
IUCN IaNature Reserve
0.65 km² overlap
Nature Reserve
0.59 km² overlap
Råvarp
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.59 km² overlap
Ranneberget
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.59 km² overlap
Råvarp
IUCN IVNatura 2000 SPA
0.59 km² overlap
Ranneberget
IUCN IVNatura 2000 SCI
0.59 km² overlap
2000557 Ranneberget
IUCN IVNature Reserve
0.59 km² overlap
2013562 Åsnebyn
IUCN Not AssignedOthers
0.41 km² overlap
2025702 Kalvön
IUCN Not AssignedWildlife and Plant Sanctuary
0.36 km² overlap
2013545 Snappan
IUCN IaNature Reserve
0.32 km² overlap
2051961 Trone mosse
IUCN IaNature Reserve
0.31 km² overlap
2042050 Oxeklev
IUCN IaNature Reserve
0.28 km² overlap
2013318 Mörttjärn
IUCN IaNature Reserve
0.28 km² overlap
2046148 Stora Höghult
IUCN IaNature Reserve
0.23 km² overlap
Nature Reserve
0.22 km² overlap
SK 2-1993
IUCN IVNature conservation agreement, Swedish Forest Agency
0.20 km² overlap
2000414 Svarvaretorpets
IUCN IaNature Reserve
0.18 km² overlap
Svarvaretorpet
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.17 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 790 distinct species · 319 730 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Hakerudsälven : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 4 types (connectance 19.6%, 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°
6,3°C
Annual rain
751mm
Moisture idx (CMI)
0,26
Runoff
410mm/an
PET
557mm
AET
450mm
Mean slope
1,5°
Water table
151cm
Forest
57%
Crops
41%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)