Municipality · NOR
Gratangen
Norway
Species observed
1 542
Observations
6 197
Area
307,7km²
Ecological tissue
Sample of 23 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).
Indicateurs du tissu écologique
Tissu écologique de Gratangen : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 28 interactions GloBI documentées sur 3 types (connectance 11.1%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 542 distinct species · 6 197 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
0,8°C
Annual rain
1 834mm
Warmest m°
13,6°C
Coldest m°
-12,0°C
Elevation: 445 m on average (min -233 m, max 986 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology4 basins · 13 lakes · 17 rivers
Hydrology metrics for this exact territory
Stream length here
49,2km
Lake surface here
5,32km²
Basins crossed
4
Max stream order
3
Max drainage
6 172km²
Discharge in basins
5,1m³/s
Mean precip.
813mm/an
Mean T°
0,5°C
Moisture idx
0,57
Max snow
66%
Mean runoff
999mm/an
Mean elev. (basins)
451m
Watersheds crossing here
Lakes (13, top by area)
- Foldvikvatnetarea1,1 km²avg depth10.3 m
- Øsevatnetarea1,1 km²avg depth11.0 m
- Lac 1190818area0,8 km²avg depth6.4 m
- Lac 1190057area0,7 km²avg depth8.7 m
- Lac 1187299area0,5 km²avg depth7.2 m
- Lac 1188910area0,2 km²avg depth5.2 m
- Lac 1190493area0,2 km²avg depth10.4 m
- Lac 1190233area0,2 km²avg depth4.9 m
- Lac 1190935area0,2 km²avg depth7.2 m
Rivers / streams (17, ord ≥ 4)
- Tverrelvaord 3len here8.71 km100%total9 km
- Labergselva - Gálajohkaord 2len here6.72 km97%total7 km
- Kattemoelvaord 1len here5.01 km100%total5 km
- Meelva - Skuhpijohkaord 2len here4.47 km100%total4 km
- Rasekoppelvaord 2len here3.34 km100%total3 km
- Foldvikelva - Huvlláviikjohkaord 1len here3.11 km100%total3 km
- Skolteelva - Skultetjohkaord 1len here2.61 km101%total3 km
- Vestre Sølvelvaord 1len here2.10 km101%total2 km
- Storelvaord 2len here1.92 km101%total2 km
- Mellomvasselvaord 1len here1.91 km100%total2 km
- Ytre Tverrelvaord 1len here1.78 km101%total2 km
- Belneselvaord 1len here1.73 km101%total2 km
5 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10