HydroBASINS lev08 watershed · #2080155210
Bassin de Jökulsá á Fjöllum
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 : Norður-Hérað, Skútustaðahreppur
Sub-basin area
1 304,4km²
Upstream area
4 836,4km²
Discharge
159,42m³/s
Mean elev.
584m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kreppa658 km²
- Bassin de Jökulsá á Fjöllum355 km²
2 dept-equivalent regions (GADM L2)
- 674.4 km²51.4% of basin
- 638.5 km²48.6% of basin
3 intersecting protected areas
Vatnajökulsþjóðgarður
IUCN Not ReportedEmerald Network
427.80 km² overlap
Vatnajökulsþjóðgarður
IUCN IINational Park
427.80 km² overlap
Vatnajökull National Park - Dynamic Nature of Fire and Ice
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
184.85 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
509 distinct species · 3 589 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Jökulsá á Fjöllum : 23 espèces reliées par 58 interactions GloBI sur 5 types (connectance 9.2%, filtre Serrano α=0.2). 13 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°
0,4°C
Annual rain
1 199mm
Moisture idx (CMI)
0,74
Runoff
699mm/an
PET
310mm
AET
308mm
Mean slope
4,5°
Water table
0cm
Forest
0%
Crops
0%
Urban
0%
Protected
12%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)