HydroBASINS lev08 watershed · #2080185440
Bassin de Nea - Ganka
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 1 administrative regions : Selbu
Sub-basin area
76,5km²
Upstream area
2 062,8km²
Discharge
54,49m³/s
Mean elev.
319m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Storbekken481 km²
- Bassin de Rotla273 km²
1 dept-equivalent regions (GADM L2)
- 77.0 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 353 distinct species · 50 326 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Nea - Ganka : 21 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 4 types (connectance 15.3%, 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°
2,8°C
Annual rain
765mm
Moisture idx (CMI)
0,39
Runoff
832mm/an
PET
466mm
AET
402mm
Mean slope
10,1°
Water table
284cm
Forest
61%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)