Øvre Forra
IUCN IaNature Reserve · 2024
103 km²
Municipality · NOR
Levanger
Norway
DfbCold, no dry season, warm summer(66 %)
Species observed
6 437
Observations
273 128
Area
653,9km²
Ecological tissue
Sample of 31 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 Levanger : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 4 types (connectance 12.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
60
Connectance
0.129
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
6 437 distinct species · 273 128 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
4,9°C
Annual rain
1 321mm
Warmest m°
16,9°C
Coldest m°
-7,1°C
Elevation: 216 m on average (min -356 m, max 623 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
4,9°C
Annual rain
1 321mm
Warmest month
16,9°C
Coldest month
-7,1°C
Mean alt.
216m
Min
-356m
Max
623m
Std. dev.
159m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(66 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology4 basins · 24 lakes · 41 rivers
Hydrology metrics for this exact territory
Stream length here
158,7km
Lake surface here
31,25km²
Basins crossed
4
Max stream order
4
Max drainage
2 203km²
Discharge in basins
6,0m³/s
Mean precip.
943mm/an
Mean T°
3,7°C
Moisture idx
0,51
Max snow
56%
Mean runoff
1 031mm/an
Mean elev. (basins)
225m
Watersheds crossing here
Lakes (24, top by area)
- Movatnetarea6,8 km²avg depth17.8 m
- Hoklingenarea6,1 km²avg depth20.2 m
- Hammervatnetarea6 km²avg depth22.6 m
- Byavatnetarea2,3 km²avg depth17.7 m
- Tomtvatnetarea2 km²avg depth12.3 m
- Hovatnetarea1,8 km²avg depth9.4 m
- Grønningenarea1,5 km²avg depth16.2 m
- Lac 1252439area0,9 km²avg depth8.4 m
- Lac 1252859area0,7 km²avg depth6.5 m
15 more lakes
- Lac 1251820area0,6 km²avg depth5.9 m
- Lac 1252776area0,6 km²avg depth7.6 m
- Lac 1254136area0,4 km²avg depth5.6 m
- Lac 1252809area0,4 km²avg depth9.3 m
- Lac 1252620area0,3 km²avg depth4.9 m
- Lac 1252003area0,3 km²avg depth5.0 m
- Lac 1253484area0,2 km²avg depth4.9 m
- Lac 1252498area0,2 km²avg depth5.3 m
- Lac 1253965area0,2 km²avg depth6.9 m
- Lac 1252844area0,1 km²avg depth5.6 m
- Lac 1252644area0,1 km²avg depth5.5 m
- Lac 1253079area0,1 km²avg depth6.8 m
- Lac 1252822area0,1 km²avg depth4.9 m
- Lac 1253771area0,1 km²avg depth5.7 m
- Lac 1253772area0,1 km²avg depth8.1 m
Rivers / streams (41, ord ≥ 4)
- Burelvaord 2len here9.67 km100%total10 km
- Burtjønnbekkenord 1len here9.11 km71%total13 km
- Grønningselvaord 2len here8.25 km100%total8 km
- Tauraord 1len here7.24 km100%total7 km
- Tåggåbekkenord 1len here6.75 km100%total7 km
- Levangselvaord 4len here6.57 km97%total7 km
- Åselvaord 2len here6.35 km100%total6 km
- Løssibekkenord 3len here5.74 km100%total6 km
- Heståaord 2len here5.60 km94%total6 km
- Stavlobekkenord 1len here5.52 km100%total6 km
- Storsteinbekkenord 3len here5.43 km41%total13 km
- Tuvbekkenord 1len here4.64 km100%total5 km
29 more river segmentssorted by Strahler order + length
- Svartbekkenord 3len here4.33 km100%total4 km
- Bergetbekkenord 2len here4.13 km100%total4 km
- Dulumbekkenord 3len here4.10 km100%total4 km
- Leirbekkenord 3len here4.04 km100%total4 km
- Hynnesbekkenord 1len here3.90 km100%total4 km
- Leiraelvaord 2len here3.73 km100%total4 km
- Sandbekkenord 1len here3.67 km85%total4 km
- Hølderbekkenord 1len here3.64 km100%total4 km
- Sveabekkenord 1len here3.60 km100%total4 km
- Lundholbekkenord 1len here3.57 km100%total4 km
- Gjeldsåsbekkenord 1len here2.91 km100%total3 km
- Rognbakkbekkenord 2len here2.87 km100%total3 km
- Glunkvollbekkenord 1len here2.73 km73%total4 km
- Forraord 3len here2.70 km11%total25 km
- Selbubekkenord 1len here2.58 km100%total3 km
- Sør-Røkkebekkenord 1len here2.55 km100%total3 km
- Heståsbekkenord 2len here2.26 km100%total2 km
- Koiabekkenord 1len here2.20 km100%total2 km
- Litlgrønningsbekkenord 2len here2.06 km100%total2 km
- Hotterelvaord 2len here2.03 km100%total2 km
- Langåselvaord 1len here1.98 km100%total2 km
- Vikabekkenord 1len here1.95 km100%total2 km
- Storbekkenord 3len here1.72 km12%total14 km
- Flovollbekkenord 1len here1.68 km33%total5 km
- Fossingelvaord 1len here1.65 km100%total2 km
- Leirabekkenord 2len here1.64 km100%total2 km
- Rinnelvaord 1len here1.62 km100%total2 km
- Migbekkenord 2len here1.54 km101%total2 km
- Ståbekkenord 1len here0.52 km101%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas29
IUCN Ia · 16IUCN Not Reported · 9IUCN IV · 4🌊 Marine · 12
Øvre Forra
IUCN IaWetland of International Importance (Ramsar Site) · 2002
103 km²
Øvre Forra
IUCN Not ReportedEmerald Network
103 km²
Trondheimfjord wetland system
IUCN IaWetland of International Importance (Ramsar Site) · 2002
18 km²
Grønningen
IUCN IaNature Reserve · 2011
15 km²
Trondheimfjord wetland system
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2002
7 km²
Complete list29 protected areas
- Øvre ForraNature ReserveIUCN Ia2024103 km²
- Øvre ForraWetland of International Importance (Ramsar Site)IUCN Ia2002103 km²
- Øvre ForraEmerald NetworkIUCN Not Reported103 km²
- Trondheimfjord wetland systemWetland of International Importance (Ramsar Site)IUCN Ia200218 km²
- GrønningenNature ReserveIUCN Ia201115 km²
- Trondheimfjord wetland systemWetland of International Importance (Ramsar Site)IUCN Not Reported20027 km²
- Røkkesdalen-SkogndalenNature ReserveIUCN Ia20116 km²
- MardalenNature ReserveIUCN Ia20243 km²
- RinnleiretEmerald NetworkIUCN Not Reported2 km²
- RinnleiretNature ReserveIUCN Ia20112 km²
- EidsbotnEmerald NetworkIUCN Not Reported2 km²
- EidsbotnWildlife Conservation AreaIUCN IV19842 km²
- Innherred Freshwater SystemWetland of International Importance (Ramsar Site)IUCN Ia20132 km²
- FalstadbuktaWildlife Conservation AreaIUCN IV20031 km²
- FalstadbuktaEmerald NetworkIUCN Not Reported1 km²
- AlnesWildlife Conservation AreaIUCN IV20031 km²
- AlnesEmerald NetworkIUCN Not Reported1 km²
- TynesfjæraEmerald NetworkIUCN Not Reported1 km²
- TynesfjæraWildlife Conservation AreaIUCN IV20031 km²
- RamsåsNature ReserveIUCN Ia20151 km²
- HammervatnetEmerald NetworkIUCN Not Reported0 km²
- HammervatnetNature ReserveIUCN Ia19840 km²
- KaldvassmyraEmerald NetworkIUCN Not Reported0 km²
- KaldvassmyraNature ReserveIUCN Ia19840 km²
- MarkhusNature ReserveIUCN Ia19910 km²
- VuddudalenNature ReserveIUCN Ia20220 km²
- StråmyraNature ReserveIUCN Ia19880 km²
- SandsøraNature ReserveIUCN Ia19810 km²
- SandstadNature ReserveIUCN Ia19810 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN