Þjórsárver
IUCN Not ReportedEmerald Network
1 560 km²
Municipality · ISL
Bólstaðarhlíðarhreppur
Iceland
ETPolar, tundra(95 %)
Species observed
921
Observations
4 351
Area
1 347,6km²
Ecological tissue
Sample of 26 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Bólstaðarhlíðarhreppur : 17 espèces reliées par 48 interactions GloBI sur 2 types (connectance 14.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
26
Interactions affichées
48
Connectance
0.148
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
921 distinct species · 4 351 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
0,5°C
Annual rain
968mm
Warmest m°
10,8°C
Coldest m°
-9,4°C
Elevation: 624 m on average (min 84 m, max 1 740 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
0,5°C
Annual rain
968mm
Warmest month
10,8°C
Coldest month
-9,4°C
Mean alt.
624m
Min
84m
Max
1 740m
Std. dev.
259m
Köppen-Geiger (dominant)
ETPolar, tundra(95 %)Polar
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology7 basins · 9 lakes · 16 rivers
Hydrology metrics for this exact territory
Stream length here
276,8km
Lake surface here
7,97km²
Basins crossed
7
Max stream order
4
Max drainage
3 276km²
Discharge in basins
28,7m³/s
Mean precip.
1 042mm/an
Mean T°
0,8°C
Moisture idx
0,68
Max snow
73%
Mean runoff
790mm/an
Mean elev. (basins)
547m
Watersheds crossing here
- Bassin de Blandasub-area2 609,1 km²overlap1234.29 km²92%
- Bassin de Húseyjarkvíslsub-area1 650,7 km²overlap98.37 km²7%
- Bassin de Svartásub-area375,4 km²overlap8.77 km²1%
- Bassin de Austari-Héraðsvötnsub-area235,8 km²overlap2.30 km²0%
- Bassin de Jökulfallsub-area394,5 km²overlap2.09 km²0%
- Bassin de Vestari-Jökulsásub-area853 km²overlap1.61 km²0%
- Bassin de Þjórsásub-area2 893,7 km²overlap0.26 km²0%
Lakes (9, top by area)
- Blöndulónarea53,4 km²avg depth7.5 m
- Aðalmannsvatnarea1,2 km²avg depth4.7 m
- Blönduvatnarea1 km²avg depth8.2 m
- Lac 1231477area0,2 km²avg depth3.9 m
- Lac 1234423area0,2 km²avg depth2.3 m
- Lac 1229566area0,2 km²avg depth3.0 m
- Lac 1230436area0,1 km²avg depth3.1 m
- Lac 1231679area0,1 km²avg depth2.5 m
- Lac 1232543area0,1 km²avg depth3.6 m
Rivers / streams (16, ord ≥ 4)
- Svartáord 3len here64.74 km89%total73 km
- Blandaord 4len here41.79 km24%total177 km
- Svartakvíslord 2len here36.28 km97%total38 km
- Neðri-Þverkvíslord 2len here23.65 km100%total24 km
- Herjólfslækurord 2len here20.34 km100%total20 km
- Fossáord 2len here16.41 km100%total16 km
- Efri-Þverkvíslord 2len here14.60 km100%total15 km
- Strangakvíslord 3len here13.82 km76%total18 km
- Hvammsáord 2len here10.49 km73%total14 km
- Bólstaðarhlíðaráord 3len here9.28 km82%total11 km
- Hólslækurord 3len here9.04 km100%total9 km
- Kálfáord 1len here5.55 km61%total9 km
4 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas4
IUCN Not Reported · 2IUCN Ib · 1IUCN IV · 1📍 Point sites · 1
Þjórsárver
IUCN IbNature Reserve · 1987
1 560 km²
Guðlaugstungur - Álfgeirstungur
IUCN Not ReportedEmerald Network
398 km²
Guðlaugstungur
IUCN IVNature Reserve · 2005
398 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN