Lomsdal-Visten og Strauman
IUCN Not ReportedEmerald Network
1 135 km²
Municipality · NOR
Vefsn
Norway
DfcCold, no dry season, cold summer(87 %)
Species observed
3 939
Observations
53 207
Area
1 680,1km²
Ecological tissue
Sample of 35 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 Vefsn : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 70 interactions GloBI sur 2 types (connectance 10.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
70
Connectance
0.105
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
3 939 distinct species · 53 207 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
1,9°C
Annual rain
2 577mm
Warmest m°
14,8°C
Coldest m°
-11,0°C
Elevation: 414 m on average (min -416 m, max 1 220 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
1,9°C
Annual rain
2 577mm
Warmest month
14,8°C
Coldest month
-11,0°C
Mean alt.
414m
Min
-416m
Max
1 220m
Std. dev.
244m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(87 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology9 basins · 50 lakes · 100 rivers
Hydrology metrics for this exact territory
Stream length here
520,3km
Lake surface here
51,96km²
Basins crossed
9
Max stream order
5
Max drainage
4 123km²
Discharge in basins
224,1m³/s
Mean precip.
1 994mm/an
Mean T°
3,1°C
Moisture idx
0,81
Max snow
65%
Mean runoff
1 825mm/an
Mean elev. (basins)
403m
Watersheds crossing here
- Bassin de Almdalselvasub-area1 533,7 km²overlap977.82 km²58%
- Bassin de Eiterågasub-area276,1 km²overlap253.28 km²15%
- Bassin de Valelvasub-area261,8 km²overlap199.20 km²12%
- Bassin de Litlmyrdalsbekkensub-area90,4 km²overlap91.03 km²5%
- Bassin de Vikdalselvasub-area73,7 km²overlap69.64 km²4%
- Bassin de Vefsna - Vaapstenjeanoesub-area350,9 km²overlap43.17 km²3%
- Bassin de Litlelvasub-area1 815,2 km²overlap18.64 km²1%
- Bassin de Sæterdalsbekkensub-area2 731 km²overlap11.49 km²1%
- Bassin de Svenningelvasub-area1 006,3 km²overlap7.43 km²0%
Lakes (50, top by area)
- Mjåvatnetarea13,1 km²avg depth16.6 m
- Hundålvatnetarea7,9 km²avg depth14.7 m
- Ømmervatnetarea5,3 km²avg depth17.6 m
- Drevvatnetarea4,9 km²avg depth12.0 m
- Finnknevatnetarea3,8 km²avg depth23.6 m
- Luktvatnetarea3,8 km²avg depth16.9 m
- Holmvatnetarea2 km²avg depth7.7 m
- Krokvatnetarea1,3 km²avg depth7.4 m
- Lac 1226960area0,8 km²avg depth6.0 m
41 more lakes
- Lac 1226753area0,8 km²avg depth10.6 m
- Lac 1226066area0,8 km²avg depth7.5 m
- Lac 1223804area0,7 km²avg depth7.4 m
- Lac 1225500area0,5 km²avg depth11.5 m
- Lac 1228565area0,4 km²avg depth6.1 m
- Lac 1226866area0,4 km²avg depth5.4 m
- Lac 1223517area0,4 km²avg depth5.9 m
- Lac 1229267area0,4 km²avg depth6.7 m
- Lac 1227007area0,4 km²avg depth6.3 m
- Lac 1223036area0,3 km²avg depth5.5 m
- Lac 1227377area0,3 km²avg depth9.3 m
- Lac 1226389area0,3 km²avg depth6.4 m
- Lac 1227017area0,3 km²avg depth10.8 m
- Lac 1223590area0,3 km²avg depth7.0 m
- Lac 1222503area0,3 km²avg depth9.0 m
- Lac 1226814area0,3 km²avg depth8.8 m
- Lac 1226045area0,3 km²avg depth5.1 m
- Lac 1227326area0,3 km²avg depth7.9 m
- Lac 1224953area0,2 km²avg depth5.7 m
- Lac 1224136area0,2 km²avg depth6.1 m
- Lac 1226671area0,2 km²avg depth5.0 m
- Lac 1223446area0,2 km²avg depth6.9 m
- Lac 1226517area0,2 km²avg depth8.6 m
- Lac 1226563area0,2 km²avg depth7.0 m
- Lac 1225967area0,2 km²avg depth5.1 m
- Lac 1223083area0,2 km²avg depth4.0 m
- Lac 1226735area0,2 km²avg depth7.3 m
- Lac 1227281area0,2 km²avg depth9.1 m
- Lac 1223275area0,2 km²avg depth5.1 m
- Lac 1227433area0,2 km²avg depth4.7 m
- Lac 1226875area0,2 km²avg depth4.7 m
- Lac 1226701area0,2 km²avg depth4.8 m
- Lac 1226585area0,2 km²avg depth6.7 m
- Lac 1224263area0,2 km²avg depth6.9 m
- Lac 1223970area0,2 km²avg depth3.6 m
- Lac 1226657area0,2 km²avg depth5.4 m
- Lac 1226850area0,2 km²avg depth7.9 m
- Lac 1227222area0,1 km²avg depth5.6 m
- Lac 1224173area0,1 km²avg depth3.7 m
- Lac 1227514area0,1 km²avg depth5.3 m
- Lac 1222854area0,1 km²avg depth6.1 m
Rivers / streams (100, ord ≥ 4)
- Almdalselvaord 3len here18.08 km80%total23 km
- Eiterågaord 5len here17.52 km89%total20 km
- Tverrelvaord 3len here16.70 km91%total18 km
- Bjørnågaord 2len here10.29 km100%total10 km
- Skjervoord 3len here10.17 km100%total10 km
- Heimgardsbekkenord 2len here8.77 km100%total9 km
- Baågaord 4len here8.77 km100%total9 km
- Velfjordskardelva - Baelkiesdurrienjohkeord 3len here8.72 km100%total9 km
- Vefsna - Vaapstenjeanoeord 5len here8.70 km15%total57 km
- Sæterelvaord 3len here8.32 km100%total8 km
- Øverlielvaord 2len here8.23 km92%total9 km
- Kjerringhalselvaord 3len here8.00 km100%total8 km
88 more river segmentssorted by Strahler order + length
- Buksvasselva - Måvhkavaajjanjohkeord 1len here7.98 km100%total8 km
- Skardvasselvaord 2len here7.87 km100%total8 km
- Valelvaord 4len here7.66 km100%total8 km
- Kvannbekkenord 3len here7.53 km100%total8 km
- Storvasselvaord 2len here7.49 km100%total7 km
- Kaldågaord 2len here7.20 km100%total7 km
- Hundålaord 4len here7.07 km100%total7 km
- Rundtindelvaord 1len here7.03 km100%total7 km
- Vargmyrbekkenord 1len here6.73 km100%total7 km
- Tverrelvaord 2len here6.66 km100%total7 km
- Vesterelvaord 2len here6.56 km100%total7 km
- Herringelvaord 4len here6.48 km100%total6 km
- Gardselvaord 2len here6.28 km100%total6 km
- Sæterbekken - Seaterejohkeord 3len here6.08 km100%total6 km
- Larembekkenord 3len here6.05 km100%total6 km
- Litlmyrdalsbekkenord 5len here5.84 km100%total6 km
- Vikdalselvaord 2len here5.84 km100%total6 km
- Storlibekkenord 1len here5.81 km100%total6 km
- Foråsbekkenord 4len here5.80 km100%total6 km
- Komraord 2len here5.73 km101%total6 km
- Bruengbekkenord 2len here5.71 km100%total6 km
- Fjellskardelva - Fillenjohkeord 2len here5.65 km101%total6 km
- Stakkengbekkenord 4len here5.58 km100%total6 km
- Krokvasselvaord 2len here5.50 km100%total5 km
- Heidalsbekkenord 3len here5.46 km92%total6 km
- Stortverrågaord 1len here5.38 km100%total5 km
- Sagbekkenord 3len here5.34 km38%total14 km
- Måsskardelva - Sapmedurrienjohkeord 1len here5.07 km95%total5 km
- Etterseterbekkenord 3len here5.05 km100%total5 km
- Fustaord 5len here4.95 km100%total5 km
- Gåsmyrbekkenord 1len here4.88 km100%total5 km
- Kvanndalselvaord 2len here4.86 km100%total5 km
- Engåselvaord 2len here4.69 km100%total5 km
- Skardbekkenord 2len here4.66 km100%total5 km
- Nordkløvenord 1len here4.55 km80%total6 km
- Rognnesbekkenord 1len here4.53 km100%total5 km
- Litlågaord 3len here4.46 km100%total4 km
- Stråklibekkenord 1len here4.42 km100%total4 km
- Straumstverrågaord 3len here4.37 km101%total4 km
- Sørvasselva - Searvoesvuemienjohkeord 2len here4.37 km100%total4 km
- Sannerbekkenord 1len here4.36 km100%total4 km
- Tennvasselvaord 1len here4.30 km100%total4 km
- Dønforselvaord 3len here4.26 km100%total4 km
- Røsdalselvaord 1len here4.23 km100%total4 km
- Svartosenord 4len here4.21 km100%total4 km
- Demmeldalselvaord 1len here4.21 km100%total4 km
- Slettengbekkenord 4len here4.18 km100%total4 km
- Tverrelva - Dåeriesjohkeord 1len here4.14 km100%total4 km
- Pelyelvaord 2len here4.02 km100%total4 km
- Urdsdalselvaord 1len here4.01 km100%total4 km
- Skravlågaord 3len here3.97 km100%total4 km
- Luktvasselvaord 3len here3.96 km101%total4 km
- Kaldågaord 3len here3.93 km100%total4 km
- Hamptjønnbekkenord 3len here3.87 km100%total4 km
- Ytterbekkenord 2len here3.74 km100%total4 km
- Svartdalsbekkenord 1len here3.54 km94%total4 km
- Teigbekkenord 1len here3.53 km100%total4 km
- Stibekkenord 2len here3.53 km100%total4 km
- Mølnbekkenord 1len here3.52 km100%total4 km
- Geitforselvaord 1len here3.39 km100%total3 km
- Hestskarbekkenord 4len here3.35 km100%total3 km
- Kaldåbekkenord 3len here3.34 km100%total3 km
- Musbekkenord 2len here3.34 km100%total3 km
- Hellfjellelvaord 1len here3.32 km100%total3 km
- Vefsnløypaord 1len here3.16 km100%total3 km
- Langstraumbekkenord 2len here3.14 km100%total3 km
- Seterbekkenord 1len here3.06 km23%total13 km
- Straumanelvaord 1len here3.02 km100%total3 km
- Regnfjellelvaord 2len here2.94 km101%total3 km
- Djupbekkenord 4len here2.88 km100%total3 km
- Grautbekkenord 3len here2.70 km100%total3 km
- Kvennbekkenord 1len here2.69 km100%total3 km
- Kvassteinågaord 2len here2.67 km100%total3 km
- Hestbekkenord 1len here2.66 km89%total3 km
- Trolldalsbekkenord 5len here2.63 km75%total4 km
- Sørkløvenord 1len here2.63 km100%total3 km
- Åmøyaord 2len here2.61 km101%total3 km
- Tverrelvaord 1len here2.56 km100%total3 km
- Skjervvasselvaord 2len here2.53 km100%total3 km
- Lompbekkenord 3len here2.43 km100%total2 km
- Stormobekkenord 1len here2.42 km100%total2 km
- Gardsbekkenord 1len here2.37 km100%total2 km
- Høglielvaord 1len here2.32 km100%total2 km
- Seterdalsbekkenord 1len here2.31 km100%total2 km
- Røsdalselvaord 1len here2.28 km100%total2 km
- Brekkelvaord 2len here2.24 km100%total2 km
- Åkerengbekkenord 3len here2.20 km100%total2 km
- Mølnbekkenord 5len here2.14 km100%total2 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas9
IUCN Ia · 6IUCN Not Reported · 2IUCN II · 1🌊 Marine · 5
Lomsdal-Visten
IUCN IINational Park · 2009
1 102 km²
Elsfjorden
IUCN IaNature Reserve · 2005
11 km²
Sirijorda
IUCN IaNature Reserve · 2017
5 km²
Herringbotn
IUCN IaNature Reserve · 1983
2 km²
Drevjaleira
IUCN IaNature Reserve · 2000
1 km²
Complete list9 protected areas
- Lomsdal-Visten og StraumanEmerald NetworkIUCN Not Reported1 135 km²
- Lomsdal-VistenNational ParkIUCN II20091 102 km²
- ElsfjordenNature ReserveIUCN Ia200511 km²
- SirijordaNature ReserveIUCN Ia20175 km²
- HerringbotnNature ReserveIUCN Ia19832 km²
- DrevjaleiraNature ReserveIUCN Ia20001 km²
- DrevjaleiraEmerald NetworkIUCN Not Reported1 km²
- EtterseterbekkenNature ReserveIUCN Ia20180 km²
- AndåsNature ReserveIUCN Ia20000 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN