Municipality · ISL
Hálshreppur
Iceland
Species observed
1 267
Observations
10 167
Area
1 469,7km²
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 Hálshreppur : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 5 types (connectance 12.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 267 distinct species · 10 167 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
0,0°C
Annual rain
1 086mm
Warmest m°
10,5°C
Coldest m°
-9,2°C
Elevation: 658 m on average (min -32 m, max 1 091 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology10 basins · 2 lakes · 24 rivers
Hydrology metrics for this exact territory
Stream length here
207,0km
Lake surface here
0,28km²
Basins crossed
10
Max stream order
4
Max drainage
3 108km²
Discharge in basins
35,2m³/s
Mean precip.
951mm/an
Mean T°
0,2°C
Moisture idx
0,64
Max snow
73%
Mean runoff
775mm/an
Mean elev. (basins)
638m
Watersheds crossing here
- Bassin de Fnjóskásub-area1 218,4 km²overlap1062.68 km²72%
- Bassin de Gilsásub-area669,1 km²overlap188.46 km²13%
- Bassin de Djúpásub-area175,2 km²overlap84.90 km²6%
- Bassin de Þjórsásub-area2 893,7 km²overlap43.38 km²3%
- Bassin de Mjóadalsásub-area280,3 km²overlap38.25 km²3%
- Bassin de Skjálfandafljótsub-area342,8 km²overlap18.64 km²1%
- Bassin de Skjálfandafljótsub-area801,5 km²overlap17.93 km²1%
- Bassin de Eyjafjarðarásub-area1 345,8 km²overlap7.63 km²1%
- Bassin de Skjálfandafljótsub-area243,5 km²overlap1.69 km²0%
1 more basinssorted by overlap
Lakes (2, top by area)
Rivers / streams (24, ord ≥ 4)
- Fnjóskáord 4len here36.68 km75%total49 km
- Hjaltadalsáord 2len here24.36 km100%total24 km
- Hólsáord 2len here16.92 km82%total21 km
- Grákollulækurord 3len here16.07 km100%total16 km
- Dalsáord 2len here15.76 km100%total16 km
- Fremra-Kollagilord 2len here12.33 km100%total12 km
- Bakkaáord 3len here9.95 km100%total10 km
- Reykjaáord 3len here8.61 km100%total9 km
- Selgilord 4len here7.35 km100%total7 km
- Skarðsáord 1len here6.68 km100%total7 km
- Þingmannalækurord 1len here6.24 km100%total6 km
- Fremri-Lambáord 3len here5.81 km100%total6 km
12 more river segmentssorted by Strahler order + length
- Hamragilord 4len here5.76 km100%total6 km
- Heimara-Kollugilord 2len here4.68 km100%total5 km
- Árbugsáord 3len here4.62 km100%total5 km
- Kambsáord 2len here4.43 km53%total8 km
- Einbúalækurord 4len here3.33 km100%total3 km
- Belgsáord 1len here3.22 km100%total3 km
- Sölvagilsáord 4len here3.02 km100%total3 km
- Ljótsstaðaáord 1len here2.90 km100%total3 km
- Heimari-Lambáord 3len here2.36 km100%total2 km
- Smiðugilord 2len here2.36 km100%total2 km
- Svartáord 1len here2.23 km100%total2 km
- Bergvatnskvíslord 4len here1.31 km3%total40 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10