Holmdalen og Langfjelldalen
IUCN IaNature Reserve · 2024
16 km²
Municipality · NOR
Høylandet
Norway
DfcCold, no dry season, cold summer(78 %)
Species observed
2 553
Observations
20 743
Area
761,9km²
Ecological tissue
Sample of 27 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 Høylandet : 21 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) + 6 bulles famille, 43 interactions GloBI documentées sur 2 types (connectance 12.3%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
27
Interactions affichées
43
Connectance
0.122
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 553 distinct species · 20 743 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
3,0°C
Annual rain
2 250mm
Warmest m°
15,5°C
Coldest m°
-9,7°C
Elevation: 350 m on average (min 6 m, max 878 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
3,0°C
Annual rain
2 250mm
Warmest month
15,5°C
Coldest month
-9,7°C
Mean alt.
350m
Min
6m
Max
878m
Std. dev.
209m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(78 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology8 basins · 44 lakes · 58 rivers
Hydrology metrics for this exact territory
Stream length here
253,3km
Lake surface here
42,31km²
Basins crossed
8
Max stream order
4
Max drainage
5 305km²
Discharge in basins
41,2m³/s
Mean precip.
1 581mm/an
Mean T°
3,6°C
Moisture idx
0,73
Max snow
64%
Mean runoff
1 406mm/an
Mean elev. (basins)
322m
Watersheds crossing here
- Bassin de Folldalselvasub-area694,7 km²overlap506.11 km²66%
- Bassin de Bjøråasub-area361,6 km²overlap189.41 km²25%
- Bassin de Nesåasub-area1 097,2 km²overlap54.86 km²7%
- Bassin de Åbjørasub-area508,6 km²overlap4.51 km²1%
- Bassin de Namsensub-area1 903,5 km²overlap2.71 km²0%
- Bassin de Sakselvasub-area411,4 km²overlap2.17 km²0%
- Bassin de Namsensub-area165,9 km²overlap1.24 km²0%
- Bassin de Liavasselvasub-area401,6 km²overlap0.92 km²0%
Lakes (44, top by area)
- Øyvatnetarea9,7 km²avg depth19.4 m
- Grungstadvatnetarea6,7 km²avg depth19.5 m
- Eidsvatnetarea6,2 km²avg depth15.9 m
- Storgrønningenarea5,4 km²avg depth16.2 m
- Almåsgrønningenarea3,8 km²avg depth9.3 m
- Elgsjøenarea1,9 km²avg depth9.8 m
- Nonsvatnetarea1,6 km²avg depth20.6 m
- Langvatnetarea1,2 km²avg depth6.2 m
- Lac 1239054area1 km²avg depth6.2 m
35 more lakes
- Lac 1238501area0,9 km²avg depth8.7 m
- Lac 1235897area0,8 km²avg depth12.5 m
- Lac 1239044area0,7 km²avg depth7.9 m
- Lac 1239242area0,7 km²avg depth5.4 m
- Lac 1235923area0,7 km²avg depth10.6 m
- Lac 1238438area0,6 km²avg depth9.3 m
- Lac 1238281area0,6 km²avg depth5.2 m
- Lac 1236747area0,5 km²avg depth9.0 m
- Lac 1236259area0,4 km²avg depth8.9 m
- Lac 1237154area0,3 km²avg depth8.1 m
- Lac 1238458area0,3 km²avg depth6.9 m
- Lac 1237565area0,3 km²avg depth6.0 m
- Lac 1237595area0,3 km²avg depth6.9 m
- Lac 1237153area0,3 km²avg depth10.1 m
- Lac 1235538area0,3 km²avg depth4.3 m
- Lac 1238666area0,3 km²avg depth4.6 m
- Lac 1235013area0,2 km²avg depth6.4 m
- Lac 1235805area0,2 km²avg depth7.2 m
- Lac 1236250area0,2 km²avg depth5.2 m
- Lac 1237605area0,2 km²avg depth5.4 m
- Lac 1235709area0,2 km²avg depth4.7 m
- Lac 1238788area0,2 km²avg depth5.1 m
- Lac 1236092area0,2 km²avg depth5.9 m
- Lac 1237287area0,2 km²avg depth8.4 m
- Lac 1236071area0,1 km²avg depth5.1 m
- Lac 1239305area0,1 km²avg depth6.3 m
- Lac 1238640area0,1 km²avg depth6.2 m
- Lac 1238997area0,1 km²avg depth5.9 m
- Lac 1239911area0,1 km²avg depth5.1 m
- Lac 1237678area0,1 km²avg depth5.0 m
- Lac 1236253area0,1 km²avg depth7.4 m
- Lac 1237101area0,1 km²avg depth7.6 m
- Lac 1239683area0,1 km²avg depth6.3 m
- Lac 1235668area0,1 km²avg depth7.1 m
- Lac 1235979area0,1 km²avg depth4.7 m
Rivers / streams (58, ord ≥ 4)
- Folldalselvaord 3len here15.47 km100%total15 km
- Søråaord 4len here13.98 km100%total14 km
- Tverråaord 2len here12.90 km64%total20 km
- Kvernbekkenord 4len here11.49 km77%total15 km
- Nylendelvaord 1len here10.19 km100%total10 km
- Bjørlielvaord 3len here9.80 km100%total10 km
- Bjøråaord 4len here9.08 km100%total9 km
- Grøtesåaord 3len here8.81 km100%total9 km
- Langfjellelvaord 2len here8.71 km100%total9 km
- Øysterelva - Åarenhaevtieord 2len here8.28 km100%total8 km
- Kvernelvaord 2len here6.41 km100%total6 km
- Øytjønnbekkenord 4len here6.27 km100%total6 km
46 more river segmentssorted by Strahler order + length
- Torebekkenord 1len here6.24 km100%total6 km
- Besaord 2len here6.22 km44%total14 km
- Hyttmyrbekkenord 1len here6.21 km70%total9 km
- Djupbekkenord 3len here6.03 km100%total6 km
- Miskåaord 1len here5.90 km100%total6 km
- Litlåaord 2len here5.81 km41%total14 km
- Kvernlegdbekkenord 2len here4.93 km100%total5 km
- Øyelvaord 6len here4.61 km42%total11 km
- Hundsåaord 2len here4.59 km100%total5 km
- Nordåaord 4len here4.54 km100%total5 km
- Nonselvaord 1len here4.46 km100%total4 km
- Skrøyvdalselvaord 2len here4.42 km65%total7 km
- Grøssjølitlåaord 2len here4.32 km100%total4 km
- Vikaelvaord 4len here4.11 km100%total4 km
- Okstadbekkenord 1len here3.64 km100%total4 km
- Urdalbekkenord 2len here3.60 km100%total4 km
- Pålåaord 1len here3.47 km100%total3 km
- Tverrelvaord 2len here3.46 km100%total3 km
- Bjørlielvdalenord 1len here3.23 km100%total3 km
- Skarlandslitlåaord 2len here3.16 km100%total3 km
- Hølbekkdollaord 1len here3.07 km100%total3 km
- Øyengaord 4len here3.02 km27%total11 km
- Sæterengbekkenord 2len here2.60 km100%total3 km
- Skogaelvaord 3len here2.51 km100%total3 km
- Skeisseteråaord 2len here2.50 km100%total2 km
- Bjørtjønnelvaord 1len here2.48 km100%total2 km
- Storsvehallbekkenord 1len here2.36 km100%total2 km
- Svartbakkbekkenord 1len here2.23 km100%total2 km
- Bjørbekkenord 5len here2.00 km24%total8 km
- Grøtåaord 4len here1.90 km100%total2 km
- Bjørnsundbekkenord 1len here1.71 km100%total2 km
- Ytteråaord 4len here1.69 km71%total2 km
- Stillelvaord 2len here1.69 km101%total2 km
- Grønlibekkenord 1len here1.60 km100%total2 km
- Skogaelvaord 1len here1.22 km100%total1 km
- Lindsetåaord 5len here1.06 km5%total23 km
- Storåaord 1len here0.89 km21%total4 km
- Løysingmunnåaord 1len here0.89 km100%total1 km
- Grytbogelvaord 3len here0.76 km14%total6 km
- Fiskåaord 1len here0.70 km101%total1 km
- Stordollbekkenord 1len here0.70 km101%total1 km
- Skiftesbekkenord 4len here0.51 km11%total5 km
- Flottelvaord 4len here0.51 km101%total1 km
- Litlelvaord 2len here0.32 km2%total13 km
- Finntjønndalselvaord 1len here0.12 km2%total6 km
- Almåaord 2len here≈ tangenttotal4 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas15
IUCN Ia · 11IUCN Not Reported · 3IUCN IV · 1🌊 Marine · 2
Folldalen og Lonskogen
IUCN IaNature Reserve · 2022
15 km²
Finntjønndalen
IUCN IaNature Reserve · 2019
13 km²
Aundalen
IUCN IaNature Reserve · 2010
8 km²
Råbesdalen
IUCN IaNature Reserve · 2017
7 km²
Grytbogen-Kubåsen
IUCN IaNature Reserve · 1981
5 km²
Complete list15 protected areas
- Holmdalen og LangfjelldalenNature ReserveIUCN Ia202416 km²
- Folldalen og LonskogenNature ReserveIUCN Ia202215 km²
- FinntjønndalenNature ReserveIUCN Ia201913 km²
- AundalenNature ReserveIUCN Ia20108 km²
- RåbesdalenNature ReserveIUCN Ia20177 km²
- Grytbogen-KubåsenNature ReserveIUCN Ia19815 km²
- Grytbogen-KubåsenEmerald NetworkIUCN Not Reported5 km²
- FlakkanEmerald NetworkIUCN Not Reported1 km²
- AurstadklumpenNature ReserveIUCN Ia20241 km²
- FlakkanWildlife Conservation AreaIUCN IV19841 km²
- FlakkanNature ReserveIUCN Ia19841 km²
- SandtjønnhaugenNature ReserveIUCN Ia20210 km²
- ØieNature ReserveIUCN Ia19840 km²
- HattmoengetEmerald NetworkIUCN Not Reported0 km²
- HattmoengetNature ReserveIUCN Ia19880 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN