Skrim og Sauheradfjella
IUCN IaNature Reserve · 2008
123 km²
Municipality · NOR
Skien
Norway
DfbCold, no dry season, warm summer(81 %)
Species observed
8 468
Observations
309 264
Area
797,9km²
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 Skien : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 4 types (connectance 16.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
86
Connectance
0.163
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
8 468 distinct species · 309 264 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
5,9°C
Annual rain
1 092mm
Warmest m°
19,6°C
Coldest m°
-6,7°C
Elevation: 241 m on average (min -76 m, max 744 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
5,9°C
Annual rain
1 092mm
Warmest month
19,6°C
Coldest month
-6,7°C
Mean alt.
241m
Min
-76m
Max
744m
Std. dev.
193m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(81 %)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
122,4g/kg
Clay
10,1%
Sand
54,9%
Silt
35,0%
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
162,5g/kg
Clay
9,7%
Sand
55,4%
Silt
34,9%
5–15 cm
pH H₂O
5,0
Org. C
130,4g/kg
Clay
9,4%
Sand
54,4%
Silt
36,2%
15–30 cm
pH H₂O
5,1
Org. C
74,2g/kg
Clay
11,1%
Sand
54,8%
Silt
34,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest68.2%
Crops3.5%
Built-up0.3%
Bare soil0.3%
Other (grassland, water…)27.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 50 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
105,5km
Lake surface here
66,15km²
Basins crossed
7
Max stream order
6
Max drainage
11 109km²
Discharge in basins
258,1m³/s
Mean precip.
795mm/an
Mean T°
5,4°C
Moisture idx
0,36
Max snow
56%
Mean runoff
687mm/an
Mean elev. (basins)
228m
Watersheds crossing here
- Bassin de Bøelvasub-area941,5 km²overlap713.97 km²89%
- Bassin de Straumensub-area713,9 km²overlap27.93 km²4%
- Basin #44140sub-area43,6 km²overlap25.96 km²3%
- Bassin de Siljanelvasub-area494,6 km²overlap23.06 km²3%
- Bassin de Strikinesub-area320,6 km²overlap4.10 km²1%
- Bassin de Numedalslågensub-area5 729,8 km²overlap2.25 km²0%
- Bassin de Halleelvasub-area265,1 km²overlap0.64 km²0%
Lakes (50, top by area)
- Norsjøarea55,1 km²avg depth46.8 m
- Lake #12911area20,4 km²avg depth27.3 m
- Kilevannarea5,2 km²avg depth16.2 m
- Fjellvannetarea4,5 km²avg depth17.8 m
- Flåtearea3,9 km²avg depth15.0 m
- Økterenarea3,5 km²avg depth12.6 m
- Langenarea3 km²avg depth15.2 m
- Eiangsvatnetarea1,9 km²avg depth12.5 m
- Henseidvannetarea1,3 km²avg depth10.2 m
41 more lakes
- Buktetjennarea1,2 km²avg depth9.0 m
- Børtenarea1,1 km²avg depth15.9 m
- Mensvannarea1,1 km²avg depth10.6 m
- Lac 1294027area0,8 km²avg depth5.3 m
- Lac 1294627area0,7 km²avg depth7.0 m
- Lac 1293739area0,7 km²avg depth8.0 m
- Lac 1294041area0,7 km²avg depth4.9 m
- Lac 1293053area0,6 km²avg depth7.3 m
- Lac 1293173area0,5 km²avg depth8.1 m
- Lac 1294125area0,5 km²avg depth4.4 m
- Lac 1292862area0,5 km²avg depth6.0 m
- Lac 1292656area0,5 km²avg depth8.1 m
- Lac 1292577area0,5 km²avg depth6.2 m
- Lac 1294253area0,5 km²avg depth4.7 m
- Lac 1293814area0,5 km²avg depth7.1 m
- Lac 1294690area0,4 km²avg depth5.7 m
- Lac 1292980area0,4 km²avg depth6.9 m
- Lac 1293290area0,4 km²avg depth8.5 m
- Lac 1294886area0,3 km²avg depth7.8 m
- Lac 1293411area0,3 km²avg depth7.8 m
- Lac 1293493area0,3 km²avg depth6.7 m
- Lac 1294998area0,3 km²avg depth6.9 m
- Lac 1292524area0,3 km²avg depth7.5 m
- Lac 1295135area0,3 km²avg depth6.3 m
- Lac 1292973area0,3 km²avg depth7.2 m
- Lac 1294476area0,3 km²avg depth8.5 m
- Lac 1294753area0,2 km²avg depth4.2 m
- Lac 1293461area0,2 km²avg depth7.1 m
- Lac 1292854area0,2 km²avg depth3.8 m
- Lac 1293516area0,2 km²avg depth6.9 m
- Lac 1293856area0,2 km²avg depth5.8 m
- Lac 1292930area0,2 km²avg depth5.6 m
- Lac 1292361area0,2 km²avg depth7.4 m
- Lac 1293403area0,2 km²avg depth4.1 m
- Lac 1293228area0,2 km²avg depth6.0 m
- Lac 1294494area0,2 km²avg depth6.4 m
- Lac 1295167area0,2 km²avg depth5.2 m
- Lac 1292520area0,2 km²avg depth6.9 m
- Lac 1292514area0,2 km²avg depth4.4 m
- Lac 1292478area0,2 km²avg depth3.5 m
- Lac 1294465area0,2 km²avg depth4.0 m
Rivers / streams (14, ord ≥ 4)
- Bøelvaord 3len here30.82 km65%total48 km
- Hoppestadelvaord 3len here30.05 km100%total30 km
- Leirkupord 2len here12.92 km90%total14 km
- Porsgrunnselvaord 6len here9.41 km66%total14 km
- Farelvaord 6len here5.09 km100%total5 km
- Falkumelvaord 3len here4.58 km100%total5 km
- Dammansbekkenord 1len here4.51 km55%total8 km
- Oselvaord 2len here2.06 km51%total4 km
- Prestvatnsbekkenord 2len here1.96 km41%total5 km
- Bolvikelvaord 1len here1.81 km36%total5 km
- Sagelvaord 2len here1.02 km65%total2 km
- Klyvebekkenord 1len here0.64 km23%total3 km
2 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
2,3nW
Built-up
26,0%
Pesticides
8,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas30
IUCN Ia · 19IUCN IV · 4IUCN Not Reported · 4IUCN III · 3🌊 Marine · 5
Eikelifjellet
IUCN IaNature Reserve · 2015
2 km²
Persholknatten
IUCN IaNature Reserve · 2014
2 km²
Børsesjø
IUCN IaNature Reserve · 1976
1 km²
Orsjømyra
IUCN IaNature Reserve · 2014
1 km²
Burmannsfjellet
IUCN IaNature Reserve · 2015
1 km²
Complete list30 protected areas
- Skrim og SauheradfjellaNature ReserveIUCN Ia2008123 km²
- EikelifjelletNature ReserveIUCN Ia20152 km²
- PersholknattenNature ReserveIUCN Ia20142 km²
- BørsesjøNature ReserveIUCN Ia19761 km²
- OrsjømyraNature ReserveIUCN Ia20141 km²
- BurmannsfjelletNature ReserveIUCN Ia20151 km²
- LinddalslianeNature ReserveIUCN Ia20141 km²
- HøgvollaneNature ReserveIUCN Ia20171 km²
- UrdknutenNature ReserveIUCN Ia20190 km²
- TrolldalsfjelletNature ReserveIUCN Ia20150 km²
- MjøvannNature ReserveIUCN Ia20140 km²
- RøsakerNature ReserveIUCN Ia20200 km²
- FlataNature ReserveIUCN Ia20230 km²
- Store SnipenNature ReserveIUCN Ia20140 km²
- RingsholmaneWildlife Conservation AreaIUCN IV20090 km²
- GunnborgdalenNature ReserveIUCN Ia19780 km²
- OrrhanemyrNature ReserveIUCN Ia19830 km²
- SvartefjellNature ReserveIUCN Ia19960 km²
- HeggemyrNature ReserveIUCN Ia19830 km²
- Vollsfjorden midtreWildlife Conservation AreaIUCN IV20090 km²
- Vollsfjorden indreWildlife Conservation AreaIUCN IV20090 km²
- LagmannskjærNature ReserveIUCN Ia19800 km²
- BødalenNatural MonumentIUCN III19880 km²
- HoppestadelvaNatural MonumentIUCN III19880 km²
- FlakvarpholmenWildlife Conservation AreaIUCN IV20090 km²
- BorgestadNatural MonumentIUCN Not Reported19580 km²
- KapitelbergetNatural MonumentIUCN III19880 km²
- DyrendalNatural MonumentIUCN Not Reported19680 km²
- Veholt i SolumNatural MonumentIUCN Not Reported19800 km²
- MelfaldNatural MonumentIUCN Not Reported19510 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN