Oksla
IUCN IaNature Reserve · 2024
4 km²
Municipality · NOR
Marnardal
Norway
DfbCold, no dry season, warm summer(72 %)
Species observed
5 080
Observations
74 648
Area
391,1km²
Ecological tissue
Sample of 50 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 Marnardal : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 153 interactions GloBI sur 6 types (connectance 12.5%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
50
Interactions affichées
153
Connectance
0.125
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
5 080 distinct species · 74 648 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,6°C
Annual rain
1 869mm
Warmest m°
18,8°C
Coldest m°
-4,0°C
Elevation: 251 m on average (min 45 m, max 472 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,6°C
Annual rain
1 869mm
Warmest month
18,8°C
Coldest month
-4,0°C
Mean alt.
251m
Min
45m
Max
472m
Std. dev.
93m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(72 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
4,9
Org. C
144,4g/kg
Clay
10,1%
Sand
59,3%
Silt
30,5%
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
4,8
Org. C
179,1g/kg
Clay
10,2%
Sand
59,2%
Silt
30,6%
5–15 cm
pH H₂O
4,9
Org. C
151,9g/kg
Clay
9,6%
Sand
59,8%
Silt
30,6%
15–30 cm
pH H₂O
4,9
Org. C
102,4g/kg
Clay
10,5%
Sand
59,0%
Silt
30,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest72.5%
Crops2.0%
Built-up0.0%
Bare soil0.3%
Other (grassland, water…)25.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 34 lakes · 29 rivers
Hydrology metrics for this exact territory
Stream length here
149,7km
Lake surface here
9,56km²
Basins crossed
4
Max stream order
4
Max drainage
3 788km²
Discharge in basins
17,2m³/s
Mean precip.
1 531mm/an
Mean T°
4,3°C
Moisture idx
0,73
Max snow
49%
Mean runoff
1 409mm/an
Mean elev. (basins)
511m
Watersheds crossing here
Lakes (34, top by area)
- Mannflåvatnetarea2 km²avg depth18.9 m
- Lac 1300409area0,9 km²avg depth6.7 m
- Lac 1299372area0,7 km²avg depth4.5 m
- Lac 1300378area0,7 km²avg depth4.9 m
- Lac 1299192area0,7 km²avg depth7.0 m
- Lac 1300666area0,6 km²avg depth9.9 m
- Lac 1300634area0,4 km²avg depth5.9 m
- Lac 1299970area0,3 km²avg depth5.6 m
- Lac 1300290area0,3 km²avg depth5.3 m
25 more lakes
- Lac 1299439area0,3 km²avg depth5.7 m
- Lac 1299629area0,3 km²avg depth5.8 m
- Lac 1300513area0,3 km²avg depth4.5 m
- Lac 1300592area0,3 km²avg depth5.9 m
- Lac 1300383area0,2 km²avg depth4.3 m
- Lac 1300451area0,2 km²avg depth5.6 m
- Lac 1299388area0,2 km²avg depth8.0 m
- Lac 1300461area0,2 km²avg depth6.5 m
- Lac 1300616area0,2 km²avg depth5.1 m
- Lac 1300212area0,2 km²avg depth4.3 m
- Lac 1299109area0,1 km²avg depth4.9 m
- Lac 1299929area0,1 km²avg depth5.1 m
- Lac 1299246area0,1 km²avg depth5.4 m
- Lac 1299838area0,1 km²avg depth3.0 m
- Lac 1299966area0,1 km²avg depth5.2 m
- Lac 1300403area0,1 km²avg depth4.7 m
- Lac 1300525area0,1 km²avg depth6.2 m
- Lac 1300572area0,1 km²avg depth4.9 m
- Lac 1300131area0,1 km²avg depth4.7 m
- Lac 1300078area0,1 km²avg depth4.9 m
- Lac 1299455area0,1 km²avg depth4.4 m
- Lac 1299785area0,1 km²avg depth3.8 m
- Lac 1299676area0,1 km²avg depth5.3 m
- Lac 1300410area0,1 km²avg depth2.9 m
- Lac 1300456area0,1 km²avg depth4.2 m
Rivers / streams (29, ord ≥ 4)
- Mandalselvaord 4len here45.93 km51%total90 km
- Finsåord 2len here8.49 km52%total16 km
- Songånaord 2len here7.84 km100%total8 km
- Rolandsbekkenord 2len here7.09 km100%total7 km
- Lågånaord 2len here6.42 km100%total6 km
- Eidsånaord 1len here6.25 km100%total6 km
- Kosåniord 3len here6.08 km100%total6 km
- Refsdalsbekkenord 2len here5.93 km100%total6 km
- Skuånaord 1len here5.58 km100%total6 km
- Storebekkenord 1len here5.29 km98%total5 km
- Åmsånaord 4len here4.46 km45%total10 km
- Osebekkenord 1len here3.84 km50%total8 km
17 more river segmentssorted by Strahler order + length
- Monebekkord 1len here3.19 km100%total3 km
- Lislebekkenord 1len here3.17 km100%total3 km
- Varsbekkenord 2len here2.63 km71%total4 km
- Sundsbekkenord 1len here2.53 km100%total3 km
- Entredalsbekkenord 1len here2.41 km100%total2 km
- Hessåvaetord 2len here2.34 km100%total2 km
- Sveinebekkord 1len here2.22 km76%total3 km
- Skrebekkenord 2len here2.21 km82%total3 km
- Høyeånaord 1len here2.02 km100%total2 km
- Spinnebekkenord 3len here2.00 km100%total2 km
- Krossbekkenord 2len here1.94 km37%total5 km
- Kolandsbekkenord 1len here1.90 km100%total2 km
- Høyeelvaord 2len here1.86 km100%total2 km
- Tverråniord 2len here1.78 km101%total2 km
- Skårånaord 2len here1.65 km20%total8 km
- Ågedalsbekkenord 1len here1.45 km18%total8 km
- Urddalsbekkenord 1len here1.16 km100%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
2,5%
Pesticides
1,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN Ia · 6
Nautarheia
IUCN IaNature Reserve · 2016
1 km²
Hegglandsheia
IUCN IaNature Reserve · 1981
0 km²
Orlogskarten
IUCN IaNature Reserve · 1981
0 km²
Kleveland
IUCN IaNature Reserve · 1978
0 km²
Helvedesdalen
IUCN IaNature Reserve · 2024
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN