Skarvan og Roltdalen
IUCN IINational Park · 2004
443 km²
Municipality · NOR
Selbu
Norway
DfcCold, no dry season, cold summer(90 %)
Species observed
4 183
Observations
123 902
Area
1 224,8km²
Ecological tissue
Sample of 30 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Selbu : 25 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) + 5 bulles famille, 57 interactions GloBI documentées sur 3 types (connectance 13.1%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
30
Interactions affichées
57
Connectance
0.131
Patrimoniales
4
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
4 183 distinct species · 123 902 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
3,2°C
Annual rain
1 447mm
Warmest m°
15,4°C
Coldest m°
-8,6°C
Elevation: 505 m on average (min 157 m, max 1 306 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
3,2°C
Annual rain
1 447mm
Warmest month
15,4°C
Coldest month
-8,6°C
Mean alt.
505m
Min
157m
Max
1 306m
Std. dev.
182m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(90 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology9 basins · 41 lakes · 64 rivers
Hydrology metrics for this exact territory
Stream length here
339,8km
Lake surface here
76,54km²
Basins crossed
9
Max stream order
5
Max drainage
3 085km²
Discharge in basins
134,3m³/s
Mean precip.
795mm/an
Mean T°
1,9°C
Moisture idx
0,44
Max snow
61%
Mean runoff
854mm/an
Mean elev. (basins)
493m
Watersheds crossing here
- Bassin de Nidelvasub-area785,9 km²overlap471.38 km²38%
- Bassin de Rotlasub-area272,7 km²overlap239.86 km²20%
- Bassin de Storbekkensub-area480,9 km²overlap178.13 km²15%
- Bassin de Stordalsbekkensub-area236,5 km²overlap169.71 km²14%
- Bassin de Nea - Gankasub-area76,5 km²overlap76.96 km²6%
- Bassin de Stjørdalselvasub-area2 103,2 km²overlap49.92 km²4%
- Bassin de Homlasub-area371,9 km²overlap37.65 km²3%
- Bassin de Lødøljasub-area319,2 km²overlap1.03 km²0%
- Bassin de Gaulasub-area998,1 km²overlap0.12 km²0%
Lakes (41, top by area)
- Selbusjøenarea57,6 km²avg depth79.5 m
- Sørungenarea7,2 km²avg depth16.6 m
- Stor-Drakstsjøenarea4,6 km²avg depth16.4 m
- Storslindvatnetarea4,1 km²avg depth23.0 m
- Østrungenarea1,6 km²avg depth12.5 m
- Hersjøenarea1,2 km²avg depth14.2 m
- Storbælingsjøenarea1 km²avg depth7.3 m
- Lac 1257010area1 km²avg depth9.3 m
- Lac 1258965area0,8 km²avg depth10.2 m
32 more lakes
- Lac 1256511area0,8 km²avg depth7.4 m
- Lac 1257249area0,5 km²avg depth4.9 m
- Lac 1258558area0,4 km²avg depth5.8 m
- Lac 1259236area0,4 km²avg depth5.3 m
- Lac 1258154area0,4 km²avg depth5.6 m
- Lac 1256958area0,4 km²avg depth5.8 m
- Lac 1258791area0,4 km²avg depth7.8 m
- Lac 1257826area0,3 km²avg depth4.5 m
- Lac 1258293area0,3 km²avg depth4.8 m
- Lac 1258096area0,3 km²avg depth6.9 m
- Lac 1257026area0,3 km²avg depth8.1 m
- Lac 1256797area0,2 km²avg depth7.5 m
- Lac 1257748area0,2 km²avg depth5.6 m
- Lac 1259026area0,2 km²avg depth5.4 m
- Lac 1257093area0,2 km²avg depth5.5 m
- Lac 1257519area0,2 km²avg depth5.9 m
- Lac 1257641area0,2 km²avg depth5.3 m
- Lac 1257150area0,2 km²avg depth6.9 m
- Lac 1258121area0,2 km²avg depth5.3 m
- Lac 1256703area0,2 km²avg depth6.7 m
- Lac 1257311area0,2 km²avg depth3.2 m
- Lac 1258301area0,2 km²avg depth4.3 m
- Lac 1257208area0,1 km²avg depth4.9 m
- Lac 1257022area0,1 km²avg depth7.2 m
- Lac 1257791area0,1 km²avg depth3.5 m
- Lac 1257339area0,1 km²avg depth3.5 m
- Lac 1258708area0,1 km²avg depth4.0 m
- Lac 1258912area0,1 km²avg depth5.5 m
- Lac 1257089area0,1 km²avg depth5.2 m
- Lac 1256592area0,1 km²avg depth6.5 m
- Lac 1257613area0,1 km²avg depth4.0 m
- Lac 1257025area0,1 km²avg depth5.2 m
Rivers / streams (64, ord ≥ 4)
- Rotlaord 4len here20.33 km100%total20 km
- Storbekkenord 1len here18.97 km95%total20 km
- Nea - Gankaord 5len here14.85 km60%total25 km
- Stordalsbekkenord 5len here13.13 km100%total13 km
- Øyelvaord 2len here12.34 km100%total12 km
- Tømraord 1len here11.47 km100%total11 km
- Dambekkenord 2len here9.85 km100%total10 km
- Elvåaord 2len here9.38 km100%total9 km
- Dalvollbekkenord 1len here9.37 km100%total9 km
- Grønlibekkenord 3len here8.79 km100%total9 km
- Tritjennbekkenord 1len here8.52 km100%total8 km
- Krossåaord 2len here8.04 km100%total8 km
52 more river segmentssorted by Strahler order + length
- Ramåaord 2len here8.00 km100%total8 km
- Kinnbekkenord 1len here7.99 km90%total9 km
- Sauåaord 1len here7.96 km58%total14 km
- Nautåaord 1len here7.86 km100%total8 km
- Nesnelvaord 5len here7.11 km40%total18 km
- Ustansbekkenord 5len here6.74 km100%total7 km
- Øverlidalsbekkenord 2len here6.68 km100%total7 km
- Sildraord 1len here6.59 km100%total7 km
- Kalvåaord 4len here6.36 km100%total6 km
- Finnråaord 1len here5.82 km100%total6 km
- Nålaord 2len here5.62 km100%total6 km
- Vollbekkenord 2len here5.27 km100%total5 km
- Stentjennbekkenord 1len here5.04 km100%total5 km
- Kallarsbekkenord 2len here5.03 km100%total5 km
- Farmannsbekkenord 2len here5.03 km90%total6 km
- Fongåaord 1len here4.92 km100%total5 km
- Blekaord 1len here4.87 km100%total5 km
- Velvansbekkenord 1len here4.51 km100%total4 km
- Garbergselvaord 3len here4.46 km100%total4 km
- Litjelvaord 1len here4.41 km100%total4 km
- Vitjennbekkenord 2len here4.36 km100%total4 km
- Brandbekkenord 4len here4.26 km100%total4 km
- Fagermoaord 1len here4.24 km100%total4 km
- Grosvollbekkenord 2len here4.20 km100%total4 km
- Litjrenåaord 2len here4.08 km100%total4 km
- Rånaord 4len here4.02 km100%total4 km
- Strindbekkenord 1len here4.00 km54%total7 km
- Bjørkmannsvåbekkenord 2len here3.81 km100%total4 km
- Gullsetelvaord 3len here3.43 km100%total3 km
- Styggdalsbekkenord 2len here3.34 km100%total3 km
- Homlaord 2len here3.16 km19%total17 km
- Bogstadelvaord 1len here3.02 km100%total3 km
- Veltabekkenord 1len here2.86 km100%total3 km
- Øystre Tverrsonaord 1len here2.69 km22%total12 km
- Midtibekkenord 1len here2.64 km100%total3 km
- Gunnarøybekkenord 1len here2.50 km100%total3 km
- Brynnåaord 4len here2.49 km100%total2 km
- Ytternålaord 2len here2.47 km27%total9 km
- Holvollbekkenord 1len here1.96 km100%total2 km
- Brandelvaord 1len here1.79 km100%total2 km
- Drivaord 1len here1.63 km100%total2 km
- Merkesbekkenord 1len here1.25 km101%total1 km
- Vestre Tverrsonaord 1len here1.16 km100%total1 km
- Resbekkenord 1len here1.16 km100%total1 km
- Renåaord 1len here0.94 km100%total1 km
- Eggjabekkenord 5len here0.93 km100%total1 km
- Svenskbekkenord 5len here0.72 km100%total1 km
- Sandbekkenord 5len here0.72 km100%total1 km
- Tangvollelvaord 2len here0.52 km5%total10 km
- Skorbergbekkenord 1len here0.21 km31%total1 km
- Leksaord 2len here≈ tangenttotal17 km
- Kvernbekkenord 4len here≈ tangenttotal9 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas20
IUCN Ia · 13IUCN Not Reported · 5IUCN II · 1IUCN IV · 1
Skarvan og Roltdalen
IUCN Not ReportedEmerald Network
442 km²
Hukkelvatna
IUCN IaNature Reserve · 1983
11 km²
Nålbogen
IUCN IaNature Reserve · 2008
7 km²
Tangvolla
IUCN IaNature Reserve · 2015
5 km²
Stråsjøen-Prestøyan
IUCN IaNature Reserve · 1983
5 km²
Complete list20 protected areas
- Skarvan og RoltdalenNational ParkIUCN II2004443 km²
- Skarvan og RoltdalenEmerald NetworkIUCN Not Reported442 km²
- HukkelvatnaNature ReserveIUCN Ia198311 km²
- NålbogenNature ReserveIUCN Ia20087 km²
- TangvollaNature ReserveIUCN Ia20155 km²
- Stråsjøen-PrestøyanNature ReserveIUCN Ia19835 km²
- Stråsjøen-PrestøyanEmerald NetworkIUCN Not Reported5 km²
- KongsliinNature ReserveIUCN Ia20183 km²
- LangåskjølenEmerald NetworkIUCN Not Reported2 km²
- LangåskjølenNature ReserveIUCN Ia19902 km²
- HevillenNature ReserveIUCN Ia20101 km²
- StorvikaNature ReserveIUCN Ia20241 km²
- RåndalenNature ReserveIUCN Ia19921 km²
- RåndalsmyreneNature ReserveIUCN Ia19901 km²
- RenåliaNature ReserveIUCN Ia20140 km²
- Fitjan og LåenEmerald NetworkIUCN Not Reported0 km²
- FitjanWildlife Conservation AreaIUCN IV19830 km²
- RaubergaEmerald NetworkIUCN Not Reported0 km²
- RaubergaNature ReserveIUCN Ia19870 km²
- LåenNature ReserveIUCN Ia19830 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN