Jaeren wetland system
IUCN IaWetland of International Importance (Ramsar Site) · 1985
31 km²
Municipality · NOR
Sandnes
Norway
CfbTemperate, no dry season, warm summer(92 %)
Species observed
7 084
Observations
301 504
Area
302,3km²
Ecological tissue
Sample of 37 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 Sandnes : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 72 interactions GloBI sur 7 types (connectance 10.8%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
72
Connectance
0.108
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
7 084 distinct species · 301 504 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
7,5°C
Annual rain
2 257mm
Warmest m°
16,6°C
Coldest m°
-1,7°C
Elevation: 136 m on average (min -234 m, max 476 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
7,5°C
Annual rain
2 257mm
Warmest month
16,6°C
Coldest month
-1,7°C
Mean alt.
136m
Min
-234m
Max
476m
Std. dev.
111m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(92 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,1
Org. C
153,9g/kg
Clay
9,2%
Sand
53,8%
Silt
37,1%
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
5,0
Org. C
187,5g/kg
Clay
8,7%
Sand
53,1%
Silt
38,2%
5–15 cm
pH H₂O
5,1
Org. C
166,2g/kg
Clay
8,4%
Sand
54,1%
Silt
37,4%
15–30 cm
pH H₂O
5,1
Org. C
108,1g/kg
Clay
10,4%
Sand
54,0%
Silt
35,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest41.3%
Crops13.6%
Built-up0.9%
Bare soil1.6%
Other (grassland, water…)42.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 25 lakes · 22 rivers
Hydrology metrics for this exact territory
Stream length here
64,8km
Lake surface here
15,87km²
Basins crossed
1
Max stream order
3
Max drainage
2 883km²
Discharge in basins
0,3m³/s
Mean precip.
1 716mm/an
Mean T°
5,5°C
Moisture idx
0,76
Max snow
31%
Mean runoff
1 713mm/an
Mean elev. (basins)
324m
Watersheds crossing here
Lakes (25, top by area)
- Storavatnetarea8,6 km²avg depth15.9 m
- Oltedalsvatnetarea3,2 km²avg depth19.5 m
- Lac 1297191area0,9 km²avg depth6.8 m
- Lac 1296845area0,8 km²avg depth9.1 m
- Lac 1296609area0,7 km²avg depth8.9 m
- Lac 1296630area0,6 km²avg depth8.9 m
- Lac 1296901area0,6 km²avg depth8.9 m
- Lac 1296886area0,6 km²avg depth5.4 m
- Lac 1297010area0,5 km²avg depth6.3 m
16 more lakes
- Lac 1296277area0,5 km²avg depth4.5 m
- Lac 1296917area0,4 km²avg depth4.8 m
- Lac 1296422area0,4 km²avg depth6.3 m
- Lac 1296385area0,4 km²avg depth6.5 m
- Lac 1297041area0,3 km²avg depth3.3 m
- Lac 1296478area0,2 km²avg depth7.1 m
- Lac 1297080area0,2 km²avg depth6.2 m
- Lac 1296009area0,2 km²avg depth5.6 m
- Lac 1296427area0,1 km²avg depth7.1 m
- Lac 1297242area0,1 km²avg depth4.7 m
- Lac 1296712area0,1 km²avg depth2.6 m
- Lac 1296725area0,1 km²avg depth5.6 m
- Lac 1297028area0,1 km²avg depth4.4 m
- Lac 1296348area0,1 km²avg depth6.1 m
- Lac 1296179area0,1 km²avg depth3.3 m
- Lac 1296092area0,1 km²avg depth3.2 m
Rivers / streams (22, ord ≥ 4)
- Sviaord 2len here12.53 km100%total12 km
- Figgjoord 3len here8.00 km28%total29 km
- Storånåord 2len here7.66 km100%total8 km
- Auestadkanalenord 1len here4.94 km100%total5 km
- Melsheibekkenord 1len here4.91 km100%total5 km
- Liabekkenord 1len here4.37 km100%total4 km
- Imsaord 3len here3.97 km99%total4 km
- Stangelandsånåord 1len here2.96 km91%total3 km
- Fossenord 1len here2.82 km100%total3 km
- Foruskanalenord 2len here2.14 km46%total5 km
- Høleånaord 2len here2.09 km100%total2 km
- Frøilandsbekkenord 2len here1.51 km100%total2 km
10 more river segmentssorted by Strahler order + length
- Seliånaord 1len here1.44 km86%total2 km
- Storånaord 2len here1.25 km97%total1 km
- Høleelvaord 1len here1.02 km100%total1 km
- Gramstadbekkenord 1len here0.78 km101%total1 km
- Skaskanalenord 2len here0.73 km6%total12 km
- Kvitlånaord 1len here0.60 km100%total1 km
- Hestånaord 1len here0.60 km100%total1 km
- Fossenord 2len here0.38 km74%total1 km
- Flotånaord 1len here0.06 km2%total3 km
- Gjetlebekkenord 3len here0.05 km0%total21 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
5,9nW
Built-up
88,9%
Pesticides
13,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas12
IUCN Ia · 6IUCN Not Reported · 5IUCN IV · 1🌊 Marine · 3
Foreknuten
IUCN IaNature Reserve · 1999
2 km²
Stokkalandsvatnet
IUCN IVWildlife Conservation Area · 1996
1 km²
Lonavatnet
IUCN IaNature Reserve · 1996
0 km²
Lonavatnet
IUCN Not ReportedEmerald Network
0 km²
Kydlesvatnet
IUCN Not ReportedEmerald Network
0 km²
Complete list12 protected areas
- Jaeren wetland systemWetland of International Importance (Ramsar Site)IUCN Ia198531 km²
- ForeknutenNature ReserveIUCN Ia19992 km²
- StokkalandsvatnetWildlife Conservation AreaIUCN IV19961 km²
- LonavatnetNature ReserveIUCN Ia19960 km²
- LonavatnetEmerald NetworkIUCN Not Reported0 km²
- KydlesvatnetEmerald NetworkIUCN Not Reported0 km²
- KydlesvatnetNature ReserveIUCN Ia19960 km²
- GrunningenNature ReserveIUCN Ia19960 km²
- LauvikholmenNature ReserveIUCN Ia19820 km²
- SykehusparkenZoological Protection of SpeciesIUCN Not Reported19360 km²
- PlanteskoleparkenZoological Protection of SpeciesIUCN Not Reported19360 km²
- ÅseNatural MonumentIUCN Not Reported19360 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN