HydroBASINS lev08 watershed · #2080166840
Bassin de Nästansjöån
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 2 administrative regions : Dorotea, Vilhelmina
Sub-basin area
517,2km²
Upstream area
4 652,5km²
Discharge
84,4m³/s
Mean elev.
414m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Lavabäcken673 km²
- Bassin de Ängesbäcken438 km²
2 dept-equivalent regions (GADM L2)
- 514.6 km²98.9% of basin
- 5.9 km²1.1% of basin
10 intersecting protected areas
2001848 Blaikfjället
IUCN IbNature Reserve
58.12 km² overlap
Blaikfjället
IUCN IbNatura 2000 SCI
57.83 km² overlap
Blaikfjället
IUCN Not ReportedSpecial Protection Area (Birds Directive)
57.83 km² overlap
Blaikfjället
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
57.83 km² overlap
Blaikfjället
IUCN IbNatura 2000 SPA
57.83 km² overlap
Blaikfjället
IUCN Not ReportedWetland of International Importance (Ramsar Site)
57.83 km² overlap
2020325 Gäddsjömyran
IUCN IaNature Reserve
26.48 km² overlap
SK 172-2013
IUCN IaHabitat Protection Area
0.22 km² overlap
Rörmyran, Grankulltången
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.04 km² overlap
1 more protected areassorted by overlap area
Rörmyran, Grankulltången
IUCN Not AssignedNatura 2000 SCI
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 389 distinct species · 54 506 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Nästansjöån : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 82 interactions GloBI sur 5 types (connectance 15.5%, 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°
0,8°C
Annual rain
579mm
Moisture idx (CMI)
0,20
Runoff
435mm/an
PET
463mm
AET
376mm
Mean slope
4,4°
Water table
176cm
Forest
85%
Crops
0%
Urban
1%
Protected
11%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)