HydroBASINS lev08 watershed · #2080156300
Bassin de Skjálfandafljót
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 : Bárðdælahreppur, Hálshreppur, Skútustaðahreppur
Sub-basin area
801,5km²
Upstream area
2 065,6km²
Discharge
57,85m³/s
Mean elev.
640m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Hrauná420 km²
- Bassin de Skjálfandafljót91 km²
3 dept-equivalent regions (GADM L2)
- 770.9 km²95.6% of basin
- 18.0 km²2.2% of basin
- 17.9 km²2.2% of basin
4 intersecting protected areas
Vatnajökulsþjóðgarður
IUCN Not ReportedEmerald Network
325.35 km² overlap
Vatnajökulsþjóðgarður
IUCN IINational Park
325.35 km² overlap
Vatnajökull National Park - Dynamic Nature of Fire and Ice
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
108.79 km² overlap
Myvatn-Laxá region
IUCN VWetland of International Importance (Ramsar Site)
2.14 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
797 distinct species · 3 172 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 Skjálfandafljót : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 5 types (connectance 15.3%, filtre Serrano α=0.2). 10 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°
0,5°C
Annual rain
1 108mm
Moisture idx (CMI)
0,70
Runoff
853mm/an
PET
327mm
AET
320mm
Mean slope
4,6°
Water table
0cm
Forest
0%
Crops
0%
Urban
0%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)