Nature Reserve · nor
Sørsjøen
- Area
- 3 km²
- IUCN cat.
- Ia
- Year
- 1981
Overview
- Designation
- Nature Reserve
- IUCN category
- Ia · Réserve naturelle intégrale
Protection stricte, accès limité aux fins scientifiques
- Established
- 1981
- Managing authority
- Norwegian Environment Agency, Protected Areas Section, Norway-7485 Trondheim
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
509 distinct species · 3 818 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Sørsjøen : 13 espèces reliées par 66 interactions GloBI sur 4 types (connectance 17.5%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 2 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
2,6km
Lake surface here
0,41km²
Basins crossed
1
Max stream order
2
Max drainage
1 398km²
Discharge in basins
0,0m³/s
Mean precip.
759mm/an
Mean T°
-0,5°C
Moisture idx
0,44
Max snow
59%
Mean runoff
545mm/an
Mean elev. (basins)
951m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (2, ord ≥ 4)
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
- 62.38227, 10.46051
- 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.