Hovassdalen
IUCN IaNature Reserve · 1993
12 km²
Municipality · NOR
Evje og Hornnes
Norway
DfbCold, no dry season, warm summer(67 %)
Species observed
4 370
Observations
53 492
Area
549,4km²
Ecological tissue
Sample of 38 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 Evje og Hornnes : 26 espèces reliées par 99 interactions GloBI sur 6 types (connectance 14.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
99
Connectance
0.141
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
4 370 distinct species · 53 492 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,4°C
Annual rain
1 898mm
Warmest m°
18,4°C
Coldest m°
-6,0°C
Elevation: 415 m on average (min 174 m, max 714 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,4°C
Annual rain
1 898mm
Warmest month
18,4°C
Coldest month
-6,0°C
Mean alt.
415m
Min
174m
Max
714m
Std. dev.
123m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(67 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,0
Org. C
165,9g/kg
Clay
8,9%
Sand
59,4%
Silt
31,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,9
Org. C
207,7g/kg
Clay
8,5%
Sand
59,2%
Silt
32,3%
5–15 cm
pH H₂O
5,0
Org. C
178,0g/kg
Clay
8,3%
Sand
60,1%
Silt
31,7%
15–30 cm
pH H₂O
5,0
Org. C
111,9g/kg
Clay
10,0%
Sand
58,8%
Silt
31,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest60.6%
Crops0.4%
Built-up0.0%
Bare soil0.4%
Other (grassland, water…)38.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 45 lakes · 46 rivers
Hydrology metrics for this exact territory
Stream length here
191,7km
Lake surface here
22,49km²
Basins crossed
5
Max stream order
5
Max drainage
3 788km²
Discharge in basins
43,3m³/s
Mean precip.
1 416mm/an
Mean T°
4,4°C
Moisture idx
0,70
Max snow
52%
Mean runoff
1 226mm/an
Mean elev. (basins)
475m
Watersheds crossing here
Lakes (45, top by area)
- Byglandsfjordenarea44,6 km²avg depth48.9 m
- Kilefjordenarea7,3 km²avg depth13.6 m
- Gyvatnarea5,3 km²avg depth16.1 m
- Høvringsvatnetarea3,9 km²avg depth10.6 m
- Breiflåarea1,9 km²avg depth6.2 m
- Dåsvatnarea1,5 km²avg depth16.1 m
- Vikstølvatnetarea1,5 km²avg depth6.9 m
- Kosvatnetarea1,3 km²avg depth8.7 m
- Vetrehusvatnetarea1,1 km²avg depth7.5 m
36 more lakes
- Lac 1298871area0,9 km²avg depth6.0 m
- Lac 1297899area0,5 km²avg depth5.9 m
- Lac 1298006area0,4 km²avg depth7.1 m
- Lac 1298267area0,4 km²avg depth4.4 m
- Lac 1298491area0,4 km²avg depth6.1 m
- Lac 1298391area0,4 km²avg depth3.1 m
- Lac 1298300area0,4 km²avg depth3.5 m
- Lac 1297982area0,3 km²avg depth6.3 m
- Lac 1298301area0,3 km²avg depth5.0 m
- Lac 1298204area0,3 km²avg depth3.7 m
- Lac 1299092area0,2 km²avg depth4.6 m
- Lac 1298669area0,2 km²avg depth3.2 m
- Lac 1298001area0,2 km²avg depth6.3 m
- Lac 1298244area0,2 km²avg depth4.4 m
- Lac 1298502area0,2 km²avg depth6.3 m
- Lac 1298946area0,2 km²avg depth4.2 m
- Lac 1297802area0,2 km²avg depth4.5 m
- Lac 1297705area0,2 km²avg depth4.6 m
- Lac 1299052area0,2 km²avg depth2.8 m
- Lac 1298747area0,2 km²avg depth5.0 m
- Lac 1298812area0,2 km²avg depth4.1 m
- Lac 1298190area0,2 km²avg depth4.6 m
- Lac 1297910area0,2 km²avg depth4.2 m
- Lac 1298794area0,1 km²avg depth6.2 m
- Lac 1299109area0,1 km²avg depth4.9 m
- Lac 1297700area0,1 km²avg depth6.2 m
- Lac 1297960area0,1 km²avg depth4.7 m
- Lac 1298053area0,1 km²avg depth4.2 m
- Lac 1298248area0,1 km²avg depth6.0 m
- Lac 1297932area0,1 km²avg depth4.2 m
- Lac 1298312area0,1 km²avg depth5.0 m
- Lac 1299096area0,1 km²avg depth2.2 m
- Lac 1298989area0,1 km²avg depth5.7 m
- Lac 1298253area0,1 km²avg depth3.7 m
- Lac 1297891area0,1 km²avg depth3.9 m
- Lac 1297858area0,1 km²avg depth5.0 m
Rivers / streams (46, ord ≥ 4)
- Otraord 5len here23.91 km11%total215 km
- Dåselvaord 4len here18.78 km100%total19 km
- Skjerkaord 3len here10.02 km100%total10 km
- Nordånaord 2len here9.20 km100%total9 km
- Bjorånaord 1len here9.02 km100%total9 km
- Kjetsånaord 2len here8.29 km100%total8 km
- Kleppånaord 2len here5.54 km81%total7 km
- Vetterhusbekkenord 1len here5.43 km100%total5 km
- Samkomord 3len here5.18 km100%total5 km
- Storebekkord 2len here5.04 km100%total5 km
- Lindånaord 1len here4.90 km87%total6 km
- Rudbekkord 1len here4.86 km100%total5 km
34 more river segmentssorted by Strahler order + length
- Holtebekkenord 1len here4.44 km39%total11 km
- Gymsånaord 1len here4.16 km100%total4 km
- Hovassånaord 1len here4.10 km58%total7 km
- Supptjønnbekkenord 3len here3.95 km100%total4 km
- Kallandsbekkenord 2len here3.76 km100%total4 km
- Småstebekkenord 2len here3.67 km100%total4 km
- Sandbekkord 5len here3.46 km89%total4 km
- Øyvassbekkenord 1len here3.35 km100%total3 km
- Øksenånaord 2len here3.34 km100%total3 km
- Kvernhusbekkenord 1len here3.11 km80%total4 km
- Håtveitånaord 2len here3.10 km100%total3 km
- Bjørndalsbekkenord 1len here3.01 km100%total3 km
- Gunnarsåniord 3len here2.80 km100%total3 km
- Hisånaord 1len here2.79 km57%total5 km
- Sørånaord 1len here2.62 km100%total3 km
- Stebekkenord 1len here2.58 km100%total3 km
- Karisbekkord 1len here2.28 km100%total2 km
- Sauelibekkenord 1len here2.24 km100%total2 km
- Røydalslonaneord 1len here2.16 km84%total3 km
- Fossånaord 1len here1.93 km100%total2 km
- Brennelvaord 1len here1.89 km100%total2 km
- Sollidalsbekkenord 1len here1.83 km100%total2 km
- Stedjedalsbekkenord 1len here1.79 km62%total3 km
- Lisleånaord 2len here1.78 km100%total2 km
- Kryssetord 1len here1.68 km100%total2 km
- Mørkedalsbekkenord 1len here1.57 km100%total2 km
- Egsåånaord 3len here1.45 km30%total5 km
- Tveitbekkenord 1len here1.22 km100%total1 km
- Lislebekkord 1len here1.16 km100%total1 km
- Bjordalsbekkenord 1len here1.13 km100%total1 km
- Hallmyrbekkenord 1len here1.03 km101%total1 km
- Skårsånaord 3len here1.00 km9%total12 km
- Gybekkenord 2len here0.73 km9%total8 km
- Sauebekkenord 1len here0.36 km101%total0 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
3,7%
Pesticides
1,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas9
IUCN Ia · 8IUCN Not Reported · 1
Hålandsheia
IUCN IaNature Reserve · 2018
7 km²
Linddalsfjellet og Sydalen
IUCN IaNature Reserve · 2023
7 km²
Dåsvassdalen
IUCN IaNature Reserve · 2017
3 km²
Hishovfjell
IUCN IaNature Reserve · 2024
1 km²
Frubæråsen
IUCN IaNature Reserve · 2019
1 km²
Complete list9 protected areas
- HovassdalenNature ReserveIUCN Ia199312 km²
- HålandsheiaNature ReserveIUCN Ia20187 km²
- Linddalsfjellet og SydalenNature ReserveIUCN Ia20237 km²
- DåsvassdalenNature ReserveIUCN Ia20173 km²
- HishovfjellNature ReserveIUCN Ia20241 km²
- FrubæråsenNature ReserveIUCN Ia20191 km²
- StorslåttaNature ReserveIUCN Ia19861 km²
- LindalenEmerald NetworkIUCN Not Reported0 km²
- RøyrtveitNature ReserveIUCN Ia19170 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN