Protected Landscape · nor
Langtjønna
- Area
- 37 km²
- IUCN cat.
- V
- Year
- 2003
Overview
- Designation
- Protected Landscape
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 2003
- Managing authority
- Norwegian Environment Agency, Protected Areas Section, Norway - 7485 Trondheim
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
529 distinct species · 3 414 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Langtjønna : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 84 interactions GloBI sur 3 types (connectance 11.9%, filtre Serrano α=0.2). 14 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 · 4 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
21,7km
Lake surface here
6,71km²
Basins crossed
1
Max stream order
3
Max drainage
1 583km²
Discharge in basins
0,5m³/s
Mean precip.
642mm/an
Mean T°
-0,3°C
Moisture idx
0,31
Max snow
55%
Mean runoff
470mm/an
Mean elev. (basins)
814m
Watersheds crossing here
Lakes (4, top by area)
Rivers / streams (7, ord ≥ 4)
- Langtjønnbekkenord 2len here5.71 km100%total6 km
- Svenselvaord 2len here4.56 km64%total7 km
- Ljøsnåaord 2len here3.71 km100%total4 km
- Rørsgsbekkenord 1len here3.32 km20%total17 km
- Lortholrennaord 3len here2.14 km11%total20 km
- Svartvikbekkenord 1len here1.82 km66%total3 km
- Feragselvaord 2len here0.40 km2%total17 km
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
- 62.46229, 11.91024
- 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.