HydroBASINS lev08 watershed · #2080151990
Bassin de Långträskälven
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 : Arjeplog, Arvidsjaur
Sub-basin area
351,1km²
Upstream area
351,3km²
Discharge
4,26m³/s
Mean elev.
472m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 230.1 km²65.1% of basin
- 123.3 km²34.9% of basin
22 intersecting protected areas
Byskeälven
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
27.70 km² overlap
Byskeälven
IUCN Not AssignedNatura 2000 SCI
27.70 km² overlap
2001026 Tjadnesvare
IUCN IbNature Reserve
27.21 km² overlap
2044054 Stårbatjvare
IUCN IbNature Reserve
16.81 km² overlap
2029169 Vallegielas
IUCN IaNature Reserve
9.40 km² overlap
Nature Reserve
8.54 km² overlap
Tjadnes-Nimtek
IUCN IVNature conservation agreement
6.07 km² overlap
2062583 Åberget
IUCN IaNature Reserve
2.77 km² overlap
2032229 Allejaure
IUCN IaNature Reserve
2.29 km² overlap
13 more protected areassorted by overlap area
2014634 Tjapsåive
IUCN IaNature Reserve
1.37 km² overlap
2040469 Västra Njaltaheden
IUCN IaNature Reserve
1.08 km² overlap
2040470 Östra Njaltaheden
IUCN IaNature Reserve
0.84 km² overlap
2059950 Rävaberget-Hornliden
IUCN Not AssignedNature Reserve
0.63 km² overlap
A320271
IUCN Not ApplicableVoluntary set-aside areas
0.20 km² overlap
2023130 Stinttjärn
IUCN IaNature Reserve
0.19 km² overlap
A483724
IUCN Not ApplicableVoluntary set-aside areas
0.15 km² overlap
A551087
IUCN Not ApplicableVoluntary set-aside areas
0.10 km² overlap
A143541
IUCN Not ApplicableVoluntary set-aside areas
0.07 km² overlap
A555086
IUCN Not ApplicableVoluntary set-aside areas
0.06 km² overlap
Stinttjärn
IUCN IaNatura 2000 SCI
0.04 km² overlap
Stinttjärn
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.04 km² overlap
A266367
IUCN Not ApplicableVoluntary set-aside areas
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
836 distinct species · 9 120 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 Långträskälven : 21 espèces reliées par 51 interactions GloBI sur 4 types (connectance 10.3%, 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°
-0,8°C
Annual rain
559mm
Moisture idx (CMI)
0,19
Runoff
374mm/an
PET
454mm
AET
370mm
Mean slope
3,8°
Water table
128cm
Forest
80%
Crops
0%
Urban
0%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)