Froan Nature Reserve and Landscape Protection Area
IUCN IaWetland of International Importance (Ramsar Site) · 1996
491 km²
Municipality · NOR
Bjugn
Norway
CfbTemperate, no dry season, warm summer(50 %)
Species observed
3 954
Observations
116 303
Area
434,5km²
Ecological tissue
Sample of 28 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 Bjugn : 22 espèces + 6 bulles famille, 42 interactions GloBI documentées sur 4 types (connectance 11.1%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
28
Interactions affichées
42
Connectance
0.111
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
3 954 distinct species · 116 303 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,0°C
Annual rain
1 907mm
Warmest m°
14,6°C
Coldest m°
-2,5°C
Elevation: 101 m on average (min -83 m, max 426 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,0°C
Annual rain
1 907mm
Warmest month
14,6°C
Coldest month
-2,5°C
Mean alt.
101m
Min
-83m
Max
426m
Std. dev.
96m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(50 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology4 basins · 36 lakes · 20 rivers
Hydrology metrics for this exact territory
Stream length here
70,2km
Lake surface here
24,12km²
Basins crossed
4
Max stream order
4
Max drainage
3 957km²
Discharge in basins
13,1m³/s
Mean precip.
1 070mm/an
Mean T°
4,1°C
Moisture idx
0,59
Max snow
52%
Mean runoff
1 412mm/an
Mean elev. (basins)
236m
Watersheds crossing here
Lakes (36, top by area)
- Teksdalsvatnetarea9,1 km²avg depth28.6 m
- Barsetvatnetarea1,7 km²avg depth19.6 m
- Storvatnetarea1,5 km²avg depth24.3 m
- Lonenarea1,4 km²avg depth17.4 m
- Hildremsvatnetarea1,2 km²avg depth16.1 m
- Laugenarea1,1 km²avg depth18.5 m
- Lac 1249255area0,7 km²avg depth10.8 m
- Lac 1250437area0,7 km²avg depth8.6 m
- Lac 1250647area0,6 km²avg depth4.6 m
27 more lakes
- Lac 1250617area0,6 km²avg depth6.8 m
- Lac 1251275area0,6 km²avg depth5.2 m
- Lac 1249604area0,6 km²avg depth10.3 m
- Lac 1250769area0,5 km²avg depth6.1 m
- Lac 1248904area0,4 km²avg depth9.2 m
- Lac 1250924area0,4 km²avg depth5.8 m
- Lac 1250388area0,3 km²avg depth5.2 m
- Lac 1250239area0,3 km²avg depth8.4 m
- Lac 1248938area0,3 km²avg depth7.4 m
- Lac 1250615area0,3 km²avg depth6.9 m
- Lac 1249062area0,3 km²avg depth5.7 m
- Lac 1249210area0,3 km²avg depth7.6 m
- Lac 1249993area0,3 km²avg depth8.2 m
- Lac 1250155area0,2 km²avg depth6.5 m
- Lac 1250381area0,2 km²avg depth6.4 m
- Lac 1249474area0,2 km²avg depth7.9 m
- Lac 1249510area0,1 km²avg depth5.8 m
- Lac 1250325area0,1 km²avg depth5.1 m
- Lac 1249071area0,1 km²avg depth5.5 m
- Lac 1249757area0,1 km²avg depth7.1 m
- Lac 1249195area0,1 km²avg depth6.7 m
- Lac 1249509area0,1 km²avg depth6.2 m
- Lac 1249726area0,1 km²avg depth7.1 m
- Lac 1249518area0,1 km²avg depth7.4 m
- Lac 1248976area0,1 km²avg depth5.0 m
- Lac 1249276area0,1 km²avg depth5.5 m
- Lac 1250099area0,1 km²avg depth6.3 m
Rivers / streams (20, ord ≥ 4)
- Storelvaord 4len here15.31 km100%total15 km
- Amunddalselvaord 1len here5.73 km100%total6 km
- Okelvaord 1len here5.25 km100%total5 km
- Tomasvasselvaord 1len here4.75 km100%total5 km
- Råmarksbekkenord 2len here4.19 km100%total4 km
- Djupelvaord 1len here4.09 km100%total4 km
- Svanabekkenord 1len here4.00 km100%total4 km
- Oldelvaord 2len here3.91 km87%total4 km
- Kvennabekkenord 1len here3.68 km100%total4 km
- Tømmerbekkenord 1len here3.59 km100%total4 km
- Audalsbekkenord 4len here3.46 km100%total3 km
- Heggdalsbekkenord 1len here2.96 km100%total3 km
8 more river segmentssorted by Strahler order + length
- Sæterbekkenord 1len here2.62 km92%total3 km
- Nordelvaord 4len here2.05 km50%total4 km
- Liaelvaord 1len here1.23 km101%total1 km
- Fusslibekkenord 1len here0.92 km100%total1 km
- Stuanesbekkenord 1len here0.76 km100%total1 km
- Kottengselvaord 1len here0.76 km100%total1 km
- Laugaelvaord 1len here0.70 km101%total1 km
- Ramsbakktjønnbekkenord 1len here0.19 km16%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas16
IUCN Ia · 8IUCN Not Reported · 5IUCN IV · 2IUCN V · 1🌊 Marine · 11
Froan
IUCN Not ReportedEmerald Network
487 km²
Froan
IUCN IaNature Reserve · 1979
404 km²
Froan
IUCN Not ReportedZoological Protection of Species · 1979
270 km²
Froan
IUCN IVProtected Landscape · 1979
87 km²
Hildremsvatnet
IUCN IaNature Reserve · 2018
38 km²
Complete list16 protected areas
- Froan Nature Reserve and Landscape Protection AreaWetland of International Importance (Ramsar Site)IUCN Ia1996491 km²
- FroanEmerald NetworkIUCN Not Reported487 km²
- FroanNature ReserveIUCN Ia1979404 km²
- FroanZoological Protection of SpeciesIUCN Not Reported1979270 km²
- FroanProtected LandscapeIUCN IV197987 km²
- HildremsvatnetNature ReserveIUCN Ia201838 km²
- HildremsvatnetEmerald NetworkIUCN Not Reported29 km²
- VæretProtected LandscapeIUCN V198220 km²
- VæretEmerald NetworkIUCN Not Reported20 km²
- MelsteinEmerald NetworkIUCN Not Reported6 km²
- MelsteinNature ReserveIUCN Ia20056 km²
- MurudalenNature ReserveIUCN Ia20173 km²
- NordelvaNature ReserveIUCN Ia20182 km²
- EidsvatnetWildlife Conservation AreaIUCN IV19831 km²
- OldøyaNature ReserveIUCN Ia20240 km²
- BjugnholmenNature ReserveIUCN Ia20050 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN