Wetland of International Importance (Ramsar Site) · swe
Tärnasjön
- Area
- 233 km²
- IUCN cat.
- Ia
- Year
- 1974
Overview
- Designation
- Wetland of International Importance (Ramsar Site)
- IUCN category
- Ia · Réserve naturelle intégrale
Protection stricte, accès limité aux fins scientifiques
- Established
- 1974
- Managing authority
- Länsstyrelsen Västerbotten
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 046 distinct species · 7 033 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Tärnasjön : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 2 bulles famille, 31 interactions GloBI documentées sur 3 types (connectance 8.2%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 18 lakes · 13 rivers
Hydrology metrics for this exact territory
Stream length here
56,7km
Lake surface here
24,42km²
Basins crossed
1
Max stream order
4
Max drainage
1 089km²
Discharge in basins
6,4m³/s
Mean precip.
840mm/an
Mean T°
-0,3°C
Moisture idx
0,54
Max snow
65%
Mean runoff
869mm/an
Mean elev. (basins)
778m
Watersheds crossing here
Lakes (18, top by area)
- Tärnasjönarea18,4 km²avg depth8.9 m
- Bielluojávrriearea8,6 km²avg depth10.6 m
- Gotajaurearea1,5 km²avg depth2.0 m
- Lájvájavrriearea1,4 km²avg depth3.1 m
- Lac 1223532area0,6 km²avg depth3.3 m
- Lac 1225537area0,5 km²avg depth3.2 m
- Lac 1225712area0,3 km²avg depth3.7 m
- Lac 1223511area0,3 km²avg depth4.8 m
- Lac 1224901area0,3 km²avg depth2.7 m
9 more lakes
- Lac 1224673area0,2 km²avg depth4.8 m
- Lac 1225574area0,1 km²avg depth3.9 m
- Lac 1224376area0,1 km²avg depth4.4 m
- Lac 1225757area0,1 km²avg depth3.1 m
- Lac 1225412area0,1 km²avg depth2.3 m
- Lac 1223336area0,1 km²avg depth2.2 m
- Lac 1223469area0,1 km²avg depth2.8 m
- Lac 1223196area0,1 km²avg depth2.5 m
- Lac 1224931area0,1 km²avg depth1.8 m
Rivers / streams (13, ord ≥ 4)
- Ältsånord 3len here13.38 km41%total32 km
- Lájvájuhkaord 3len here10.47 km100%total10 km
- Tärnaånord 4len here7.59 km47%total16 km
- Jijrajuhkaord 2len here5.22 km48%total11 km
- Rassjajuhkatjeord 1len here3.87 km65%total6 km
- Måskoesjohkeord 2len here3.10 km26%total12 km
- Suorajuhkaord 2len here2.92 km43%total7 km
- Ámmarjuhkaord 2len here2.88 km73%total4 km
- Skidbäckenord 2len here2.46 km26%total9 km
- Bråkbäckenord 2len here1.86 km101%total2 km
- Svärfarbäckenord 1len here1.24 km100%total1 km
- Staabrejohkeord 4len here1.13 km14%total8 km
1 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 65.96542, 15.47002
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.