Dyrhólaey
IUCN IVNature Reserve · 1978
1 km²
Municipality · ISL
Mýrdalshreppur
Iceland
ETPolar, tundra(54 %)
Species observed
643
Observations
5 686
Area
766,6km²
Ecological tissue
Sample of 32 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 Mýrdalshreppur : 23 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 64 interactions GloBI sur 3 types (connectance 12.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
64
Connectance
0.129
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
643 distinct species · 5 686 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
2,5°C
Annual rain
3 669mm
Warmest m°
8,3°C
Coldest m°
-3,3°C
Elevation: 422 m on average (min -9 m, max 1 455 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
2,5°C
Annual rain
3 669mm
Warmest month
8,3°C
Coldest month
-3,3°C
Mean alt.
422m
Min
-9m
Max
1 455m
Std. dev.
432m
Köppen-Geiger (dominant)
ETPolar, tundra(54 %)Polar
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology7 basins · 5 lakes · 32 rivers
Hydrology metrics for this exact territory
Stream length here
296,9km
Lake surface here
2,80km²
Basins crossed
7
Max stream order
4
Max drainage
1 088km²
Discharge in basins
42,3m³/s
Mean precip.
1 585mm/an
Mean T°
3,5°C
Moisture idx
0,79
Max snow
67%
Mean runoff
2 416mm/an
Mean elev. (basins)
348m
Watersheds crossing here
- Bassin de Múlakvíslsub-area263 km²overlap250.93 km²33%
- Bassin de Hrútagilsásub-area153,4 km²overlap150.42 km²20%
- Bassin de Múlakvíslsub-area136,9 km²overlap135.08 km²18%
- Bassin de Skógásub-area557,6 km²overlap129.48 km²17%
- Bassin de Hólmsásub-area909,1 km²overlap49.70 km²6%
- Bassin de Blautakvíslsub-area421 km²overlap46.30 km²6%
- Bassin de Markarfljótsub-area1 088 km²overlap1.05 km²0%
Lakes (5, top by area)
Rivers / streams (32, ord ≥ 4)
- Hrútagilsáord 3len here29.43 km100%total30 km
- Blautakvíslord 2len here24.39 km100%total24 km
- Múlakvíslord 3len here21.87 km100%total22 km
- Hafursáord 4len here21.51 km96%total22 km
- Jökulsá á Sólheimasandiord 4len here18.09 km89%total20 km
- Múlakvíslord 3len here16.90 km96%total18 km
- Hólsáord 2len here14.82 km100%total15 km
- Blautakvíslord 2len here14.31 km68%total21 km
- Húsáord 1len here12.91 km100%total13 km
- Kerlingardalsáord 3len here12.73 km94%total13 km
- Klifandiord 4len here11.74 km64%total18 km
- Sandáord 2len here11.60 km100%total12 km
20 more river segmentssorted by Strahler order + length
- Heiðargilsáord 2len here9.62 km100%total10 km
- Afréttisáord 2len here9.32 km100%total9 km
- Húsáord 2len here8.57 km100%total9 km
- Blautakvíslord 2len here7.23 km100%total7 km
- Hólsáord 1len here6.52 km100%total7 km
- Hvammsáord 1len here6.42 km100%total6 km
- Vatnsáord 3len here6.34 km100%total6 km
- Deildaráord 1len here6.22 km100%total6 km
- Þorfeifsáord 2len here4.96 km101%total5 km
- Fjallgilsáord 3len here3.78 km30%total13 km
- Steigarlækurord 1len here3.46 km98%total4 km
- Skakkáord 2len here3.03 km100%total3 km
- Kýrkeldaord 2len here2.65 km92%total3 km
- Hryggjakvíslord 1len here2.60 km100%total3 km
- Ytrikvíslarfarvegurord 4len here1.94 km100%total2 km
- Uxafótarlækurord 1len here1.16 km100%total1 km
- Deildaráord 1len here0.93 km80%total1 km
- Hólsáord 1len here0.82 km100%total1 km
- Blautakvíslord 1len here0.76 km100%total1 km
- Múlakvíslord 1len here0.23 km20%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Protected areas1
IUCN IV · 1🌊 Marine · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN