HydroBASINS lev08 watershed · #2080175090
Bassin de Gauna
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 3 administrative regions across 2 countries : Snåsa, Verdal, Åre
Sub-basin area
378,7km²
Upstream area
378,7km²
Discharge
11,4m³/s
Mean elev.
614m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 211.6 km²55.5% of basin
- 113.2 km²29.7% of basin
- 56.3 km²14.8% of basin
12 intersecting protected areas
Blåfjella-Skjækerfjella
IUCN IINational Park
244.18 km² overlap
Blåfjella - Skjækerfjella
IUCN Not ReportedEmerald Network
212.62 km² overlap
Skäckerfjällen
IUCN IbNatura 2000 SPA
66.29 km² overlap
Skäckerfjällen
IUCN IbNatura 2000 SCI
66.29 km² overlap
Skäckerfjällen
IUCN Not ReportedSpecial Protection Area (Birds Directive)
66.29 km² overlap
Skäckerfjällen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
66.29 km² overlap
2001202 Skäckerfjällen
IUCN IbNature Reserve
66.27 km² overlap
2001200 Svenskådalen
IUCN IbNature Reserve
23.80 km² overlap
Svenskådalen
IUCN IbNatura 2000 SCI
23.79 km² overlap
3 more protected areassorted by overlap area
Svenskådalen
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
23.79 km² overlap
Svenskådalen
IUCN IbNatura 2000 SPA
23.79 km² overlap
Svenskådalen
IUCN Not ReportedSpecial Protection Area (Birds Directive)
23.79 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
631 distinct species · 3 924 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Bassin de Gauna : 36 espèces dont 5 patrimoniales (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 3 types (connectance 6.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
1,6°C
Annual rain
1 106mm
Moisture idx (CMI)
0,62
Runoff
965mm/an
PET
422mm
AET
403mm
Mean slope
7,1°
Water table
269cm
Forest
39%
Crops
0%
Urban
0%
Protected
79%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)