Trondheimfjord wetland system
IUCN IaWetland of International Importance (Ramsar Site) · 2002
18 km²
Municipality · NOR
Trondheim
Norway
DfbCold, no dry season, warm summer(83 %)
Species observed
11 848
Observations
1 230 728
Area
337,1km²
Ecological tissue
Sample of 29 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 Trondheim : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 6 bulles famille, 50 interactions GloBI documentées sur 3 types (connectance 12.3%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
29
Interactions affichées
50
Connectance
0.123
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
11 848 distinct species · 1 230 728 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,4°C
Annual rain
1 185mm
Warmest m°
17,2°C
Coldest m°
-7,1°C
Elevation: 170 m on average (min -304 m, max 482 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,4°C
Annual rain
1 185mm
Warmest month
17,2°C
Coldest month
-7,1°C
Mean alt.
170m
Min
-304m
Max
482m
Std. dev.
104m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(83 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology5 basins · 9 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
48,2km
Lake surface here
15,71km²
Basins crossed
5
Max stream order
5
Max drainage
3 589km²
Discharge in basins
31,1m³/s
Mean precip.
868mm/an
Mean T°
3,7°C
Moisture idx
0,46
Max snow
53%
Mean runoff
993mm/an
Mean elev. (basins)
252m
Watersheds crossing here
Lakes (9, top by area)
- Jonsvatnetarea14,2 km²avg depth24.2 m
- Lac 1256169area0,7 km²avg depth6.3 m
- Lac 1256251area0,3 km²avg depth4.8 m
- Lac 1256822area0,2 km²avg depth4.5 m
- Lac 1256781area0,2 km²avg depth6.3 m
- Lac 1256035area0,2 km²avg depth5.8 m
- Lac 1256367area0,1 km²avg depth5.5 m
- Lac 1256061area0,1 km²avg depth4.4 m
- Lac 1256177area0,1 km²avg depth4.1 m
Rivers / streams (11, ord ≥ 4)
- Nidelvaord 5len here10.29 km33%total31 km
- Leirelvaord 2len here8.99 km100%total9 km
- Vikelvaord 2len here8.09 km100%total8 km
- Stokkbekkenord 2len here5.13 km68%total8 km
- Gortjønnbekkenord 1len here4.79 km100%total5 km
- Amundsbekkenord 1len here2.36 km95%total2 km
- Killingdalsbekkenord 1len here2.20 km70%total3 km
- Storbekkenord 1len here2.19 km100%total2 km
- Gaulaord 5len here1.51 km1%total130 km
- Kystadbekkenord 1len here1.45 km100%total1 km
- Hammerbekkenord 1len here1.16 km100%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas16
IUCN Ia · 9IUCN Not Reported · 7🌊 Marine · 8
Bymarka
IUCN IaNature Reserve · 2005
12 km²
Bymarka
IUCN Not ReportedEmerald Network
12 km²
Gaulosen
IUCN IaMarine Protected Area (OSPAR) · 2017
11 km²
Gaulosen
IUCN Not ReportedMarine Protected Area · 2016
11 km²
Trondheimfjord wetland system
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2002
7 km²
Complete list16 protected areas
- Trondheimfjord wetland systemWetland of International Importance (Ramsar Site)IUCN Ia200218 km²
- BymarkaNature ReserveIUCN Ia200512 km²
- BymarkaEmerald NetworkIUCN Not Reported12 km²
- GaulosenMarine Protected Area (OSPAR)IUCN Ia201711 km²
- GaulosenMarine Protected AreaIUCN Not Reported201611 km²
- Trondheimfjord wetland systemWetland of International Importance (Ramsar Site)IUCN Not Reported20027 km²
- GaulosenNature ReserveIUCN Ia20163 km²
- Gaulosen og LeinøraEmerald NetworkIUCN Not Reported3 km²
- RørmyraNature ReserveIUCN Ia19900 km²
- LaugloliaNature ReserveIUCN Ia20010 km²
- LaugloliaEmerald NetworkIUCN Not Reported0 km²
- BjørnmyraEmerald NetworkIUCN Not Reported0 km²
- BjørnmyraNature ReserveIUCN Ia19900 km²
- LeiraNature ReserveIUCN Ia19870 km²
- ApoteketNature ReserveIUCN Ia19870 km²
- FalkenborgNatural MonumentIUCN Not Reported19680 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN