Emerald Network · NOR
Skarvan og Roltdalen
- Area
- 442 km²
- IUCN cat.
- Not Reported
Overview
- Designation
- Emerald Network 0
- Managing authority
- Not Reported
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 232 distinct species · 9 467 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Skarvan og Roltdalen : 27 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 4 types (connectance 8.6%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology5 basins · 15 lakes · 22 rivers
Hydrology metrics for this exact territory
Stream length here
97,9km
Lake surface here
7,87km²
Basins crossed
5
Max stream order
3
Max drainage
3 085km²
Discharge in basins
20,8m³/s
Mean precip.
825mm/an
Mean T°
1,5°C
Moisture idx
0,47
Max snow
61%
Mean runoff
879mm/an
Mean elev. (basins)
556m
Watersheds crossing here
Lakes (15, top by area)
- Vestre Sonvatnetarea4,3 km²avg depth14.3 m
- Store Klepptjørnaarea1,3 km²avg depth11.4 m
- Raammanjaevriearea1,2 km²avg depth8.1 m
- Lac 1257249area0,5 km²avg depth4.9 m
- Lac 1257381area0,4 km²avg depth4.7 m
- Lac 1257826area0,3 km²avg depth4.5 m
- Lac 1256264area0,3 km²avg depth7.2 m
- Lac 1257304area0,3 km²avg depth3.8 m
- Lac 1257005area0,2 km²avg depth5.2 m
Rivers / streams (22, ord ≥ 4)
- Sauåaord 1len here13.82 km100%total14 km
- Rotlaord 4len here9.62 km47%total20 km
- Øyelvaord 2len here8.65 km70%total12 km
- Ramåaord 2len here8.00 km100%total8 km
- Nautåaord 1len here7.86 km100%total8 km
- Lauvaord 2len here5.88 km53%total11 km
- Fongåaord 1len here4.92 km100%total5 km
- Øystre Tverrsonaord 1len here4.91 km41%total12 km
- Skrøyaord 2len here4.80 km100%total5 km
- Torsbjørkaord 4len here4.58 km29%total16 km
- Fagermoaord 1len here4.24 km100%total4 km
- Grønlibekkenord 3len here4.16 km48%total9 km
10 more river segmentssorted by Strahler order + length
- Tverrelvaord 2len here2.93 km87%total3 km
- Silraord 2len here2.70 km60%total5 km
- Svahyllbekken østreord 2len here2.58 km100%total3 km
- Østervollåaord 1len here2.11 km100%total2 km
- Holvollbekkenord 1len here1.96 km100%total2 km
- Drivaord 1len here1.63 km100%total2 km
- Grosvollbekkenord 2len here1.26 km30%total4 km
- Sonaord 3len here0.85 km9%total9 km
- Øybekkenord 1len here0.46 km7%total7 km
- Tjurubekkenord 2len here≈ tangenttotal4 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
- 63.24370, 11.52110
- 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.