HydroBASINS lev08 watershed · #2080058580
Bassin de Lagarfljót
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 2 administrative regions : Austur-Hérað, Norður-Hérað
Sub-basin area
17,7km²
Upstream area
3 310,9km²
Discharge
124,41m³/s
Mean elev.
53m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Lagarfljót413 km²
- Bassin de Selfljót298 km²
2 dept-equivalent regions (GADM L2)
- 11.8 km²66.2% of basin
- 2.6 km²14.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
227 distinct species · 536 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Lagarfljót : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 4 types (connectance 13.3%, filtre Serrano α=0.2). 11 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°
3,2°C
Annual rain
1 162mm
Moisture idx (CMI)
0,72
Runoff
1 101mm/an
PET
324mm
AET
321mm
Mean slope
8,6°
Water table
0cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)