Þjórsárver
IUCN Not ReportedEmerald Network
1 560 km²
Municipality · ISL
Sveitarfélagið Skagafjörður
Iceland
ETPolar, tundra(74 %)
Species observed
1 986
Observations
31 438
Area
4 110,2km²
Ecological tissue
Sample of 24 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 Sveitarfélagið Skagafjörður : 13 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 2 types (connectance 17.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
24
Interactions affichées
48
Connectance
0.174
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 986 distinct species · 31 438 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
0,8°C
Annual rain
1 006mm
Warmest m°
10,7°C
Coldest m°
-8,5°C
Elevation: 537 m on average (min -29 m, max 1 642 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
0,8°C
Annual rain
1 006mm
Warmest month
10,7°C
Coldest month
-8,5°C
Mean alt.
537m
Min
-29m
Max
1 642m
Std. dev.
331m
Köppen-Geiger (dominant)
ETPolar, tundra(74 %)Polar
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology16 basins · 50 lakes · 67 rivers
Hydrology metrics for this exact territory
Stream length here
845,1km
Lake surface here
30,48km²
Basins crossed
16
Max stream order
5
Max drainage
3 276km²
Discharge in basins
145,0m³/s
Mean precip.
959mm/an
Mean T°
0,5°C
Moisture idx
0,65
Max snow
78%
Mean runoff
760mm/an
Mean elev. (basins)
545m
Watersheds crossing here
- Bassin de Húseyjarkvíslsub-area1 650,7 km²overlap864.04 km²21%
- Bassin de Vestari-Jökulsásub-area853 km²overlap856.11 km²21%
- Bassin de Svarfaðardalsásub-area1 811,4 km²overlap742.10 km²18%
- Bassin de Hjaltadalsásub-area487,1 km²overlap467.56 km²11%
- Bassin de Svartásub-area375,4 km²overlap369.13 km²9%
- Bassin de Austari-Jökulsásub-area343,5 km²overlap245.42 km²6%
- Bassin de Blandasub-area2 609,1 km²overlap181.77 km²4%
- Bassin de Austari-Jökulsásub-area640,7 km²overlap146.13 km²4%
- Bassin de Austari-Héraðsvötnsub-area235,8 km²overlap130.81 km²3%
7 more basinssorted by overlap
- Bassin de Héraðsvötnsub-area201,4 km²overlap45.65 km²1%
- Bassin de Héraðsvötnsub-area18,9 km²overlap16.58 km²0%
- Basin #58000sub-area20,7 km²overlap15.94 km²0%
- Bassin de Hörgásub-area741,7 km²overlap9.39 km²0%
- Bassin de Hnjúkskvíslsub-area200,8 km²overlap2.57 km²0%
- Bassin de Þjórsásub-area2 893,7 km²overlap1.05 km²0%
- Bassin de Heiðarásub-area407,1 km²overlap0.83 km²0%
Lakes (50, top by area)
- Höfðavatnarea10,2 km²avg depth9.5 m
- Miklavatnarea6,9 km²avg depth6.3 m
- Miklavatnarea6,1 km²avg depth1.6 m
- Stífluvatnarea3,6 km²avg depth18.4 m
- Ölvesvatnarea2,6 km²avg depth6.1 m
- Aravatnarea1,9 km²avg depth4.8 m
- Ölvesvatnarea1,1 km²avg depth5.4 m
- Lake #44154area1 km²avg depth1.8 m
- Bjarnarvatnarea1 km²avg depth16.3 m
41 more lakes
- Lac 1223262area1 km²avg depth2.7 m
- Lac 1233452area0,9 km²avg depth3.9 m
- Lac 1223613area0,8 km²avg depth5.9 m
- Lac 1224776area0,7 km²avg depth6.4 m
- Lac 1223542area0,7 km²avg depth3.7 m
- Lac 1234044area0,7 km²avg depth5.9 m
- Lac 1229369area0,6 km²avg depth5.2 m
- Lac 1224986area0,6 km²avg depth5.4 m
- Lac 1233331area0,6 km²avg depth4.6 m
- Lac 1223034area0,5 km²avg depth4.8 m
- Lac 1227128area0,5 km²avg depth1.7 m
- Lac 1222941area0,4 km²avg depth5.6 m
- Lac 1234166area0,4 km²avg depth3.4 m
- Lac 1227094area0,4 km²avg depth1.8 m
- Lac 1232338area0,4 km²avg depth4.6 m
- Lac 1233365area0,4 km²avg depth5.3 m
- Lac 1225447area0,4 km²avg depth8.2 m
- Lac 1226848area0,3 km²avg depth4.0 m
- Lac 1222620area0,3 km²avg depth3.5 m
- Lac 1227616area0,3 km²avg depth5.8 m
- Lac 1228279area0,3 km²avg depth6.4 m
- Lac 1227002area0,3 km²avg depth1.7 m
- Lac 1224888area0,3 km²avg depth4.5 m
- Lac 1233636area0,3 km²avg depth4.0 m
- Lac 1224168area0,3 km²avg depth4.0 m
- Lac 1223012area0,3 km²avg depth2.7 m
- Lac 1223261area0,3 km²avg depth3.2 m
- Lac 1223707area0,3 km²avg depth3.5 m
- Lac 1222912area0,2 km²avg depth4.7 m
- Lac 1232364area0,2 km²avg depth3.9 m
- Lac 1223308area0,2 km²avg depth3.3 m
- Lac 1223863area0,2 km²avg depth5.1 m
- Lac 1222896area0,2 km²avg depth4.3 m
- Lac 1227529area0,2 km²avg depth1.8 m
- Lac 1223643area0,2 km²avg depth2.2 m
- Lac 1223007area0,2 km²avg depth2.6 m
- Lac 1234255area0,2 km²avg depth3.2 m
- Lac 1222789area0,2 km²avg depth2.9 m
- Lac 1232686area0,2 km²avg depth2.3 m
- Lac 1232652area0,2 km²avg depth2.6 m
- Lac 1224858area0,2 km²avg depth5.9 m
Rivers / streams (67, ord ≥ 4)
- Austari-Jökulsáord 4len here58.59 km58%total101 km
- Vestari-Jökulsáord 3len here47.51 km100%total47 km
- Fossáord 4len here45.83 km90%total51 km
- Hjaltadalsáord 3len here37.45 km100%total37 km
- Svartáord 3len here36.73 km100%total37 km
- Húseyjarkvíslord 3len here30.81 km96%total32 km
- Kolkaord 3len here30.23 km100%total30 km
- Pollakvíslord 3len here30.05 km100%total30 km
- Fljótaáord 3len here29.67 km98%total30 km
- Héraðsvötnord 5len here29.51 km75%total39 km
- Laxáord 3len here26.77 km100%total27 km
- Unadalsáord 2len here25.22 km100%total25 km
55 more river segmentssorted by Strahler order + length
- Staðaráord 2len here20.09 km89%total23 km
- Hofsáord 4len here18.97 km100%total19 km
- Mælifellsáord 3len here18.62 km100%total19 km
- Austari-Héraðsvötnord 5len here18.07 km66%total28 km
- Húseyjarkvíslord 2len here17.78 km100%total18 km
- Ytri-Hraunlækurord 3len here16.89 km100%total17 km
- Hrolleifsdalsáord 2len here15.74 km100%total16 km
- Gljúfuráord 1len here13.05 km100%total13 km
- Giljáord 2len here12.57 km100%total13 km
- Austuráord 2len here12.52 km100%total12 km
- Hvammsáord 2len here12.50 km100%total12 km
- Holtsdalsáord 2len here11.90 km100%total12 km
- Miðkvíslord 1len here11.45 km100%total11 km
- Staðaráord 2len here10.67 km97%total11 km
- Skarðsáord 1len here9.85 km100%total10 km
- Midhlutaráord 3len here9.83 km100%total10 km
- Hraunþúfuáord 4len here9.80 km100%total10 km
- Hofsáord 3len here9.55 km94%total10 km
- Flókadalsáord 2len here9.44 km100%total9 km
- Nautabúsáord 2len here9.07 km100%total9 km
- Deildardalsáord 2len here8.98 km79%total11 km
- Fossáord 3len here8.58 km100%total9 km
- Svartáord 3len here8.20 km11%total73 km
- Gönguskarðsáord 3len here7.83 km100%total8 km
- Vesturáord 2len here7.61 km100%total8 km
- Ystakvíslord 2len here7.25 km100%total7 km
- Langilækurord 1len here6.75 km100%total7 km
- Miðáord 1len here6.05 km95%total6 km
- Suðuráord 1len here5.65 km100%total6 km
- Fremri-Grasáord 1len here5.59 km100%total6 km
- Héðinsáord 1len here5.51 km100%total5 km
- Víðinesáord 3len here5.31 km100%total5 km
- Tungnahryggsáord 2len here5.12 km100%total5 km
- Höfðaáord 1len here5.10 km91%total6 km
- Grjótáord 2len here4.82 km100%total5 km
- Heljaráord 1len here4.75 km100%total5 km
- Atlastaðaáord 1len here4.37 km100%total4 km
- Strangakvíslord 3len here4.32 km24%total18 km
- Ytri-Skarðsáord 1len here4.05 km100%total4 km
- Kálfáord 1len here3.68 km100%total4 km
- Strangilækurord 1len here3.56 km100%total4 km
- Kálfáord 1len here3.55 km39%total9 km
- Hraksíðuáord 3len here3.43 km95%total4 km
- Kallaord 2len here3.31 km100%total3 km
- Stafnsvatnastokkurord 2len here2.82 km100%total3 km
- Vestari-Héraðsvötnord 5len here2.47 km100%total2 km
- Skúfsstaðaáord 3len here2.34 km101%total2 km
- Bólstaðarhlíðaráord 3len here1.87 km17%total11 km
- Gauksstaðaáord 1len here1.63 km100%total2 km
- Þveráord 2len here1.50 km11%total14 km
- Miðhlutaráord 3len here1.37 km100%total1 km
- Kolkaord 1len here0.76 km54%total1 km
- Tjarnarkvíslord 1len here0.31 km12%total3 km
- Hnjúkskvíslord 2len here0.00 km0%total38 km
- Norðuráord 3len here≈ tangenttotal12 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas3
IUCN Not Reported · 1IUCN Ib · 1IUCN VI · 1🌊 Marine · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN