Oberaargau
IUCN Not ReportedEmerald Network
115 km²
District · CHE
Wangen
Switzerland
CfbTemperate, no dry season, warm summer(93 %)
Species observed
3 087
Observations
38 169
Area
131,5km²
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Species present
3 087 distinct species · 38 169 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,4°C
Annual rain
1 306mm
Warmest m°
22,7°C
Coldest m°
-3,2°C
Elevation: 558 m on average (min 424 m, max 994 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,4°C
Annual rain
1 306mm
Warmest month
22,7°C
Coldest month
-3,2°C
Mean alt.
558m
Min
424m
Max
994m
Std. dev.
144m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(93 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,8
Org. C
57,9g/kg
Clay
27,4%
Sand
35,4%
Silt
37,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,8
Org. C
89,4g/kg
Clay
27,5%
Sand
35,5%
Silt
37,0%
5–15 cm
pH H₂O
5,8
Org. C
51,0g/kg
Clay
27,3%
Sand
35,5%
Silt
37,2%
15–30 cm
pH H₂O
5,9
Org. C
33,3g/kg
Clay
27,4%
Sand
35,3%
Silt
37,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest35.2%
Crops27.1%
Built-up1.9%
Bare soil0.7%
Other (grassland, water…)35.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
37,5km
Lake surface here
0,18km²
Basins crossed
2
Max stream order
6
Max drainage
9 936km²
Discharge in basins
52,4m³/s
Mean precip.
1 026mm/an
Mean T°
8,4°C
Moisture idx
0,26
Max snow
19%
Mean runoff
732mm/an
Mean elev. (basins)
595m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (11, ord ≥ 4)
- Önzord 3len here10.77 km83%total13 km
- Aareord 6len here9.91 km4%total250 km
- Mülibächliord 6len here4.21 km100%total4 km
- Stouffebachord 1len here3.52 km100%total4 km
- Altacheord 1len here2.07 km57%total4 km
- Oberbipper Dorfbachord 1len here1.86 km100%total2 km
- Inkwiler Seebachord 1len here1.81 km100%total2 km
- Willadinger-Oeschord 2len here1.21 km17%total7 km
- Mutzbachord 1len here0.87 km70%total1 km
- Bipperbachord 2len here0.77 km16%total5 km
- Mittelgäubachord 2len here0.51 km3%total15 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,3nW
Built-up
188,0%
Pesticides
53,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas22
IUCN Not Assigned · 11IUCN IV · 9IUCN Not Reported · 1IUCN Ia · 1
Oberaargau
IUCN Not AssignedEmerald Sites · 2009
115 km²
Chamben
IUCN Not AssignedForest Reserves · 2023
0 km²
Holzmatt/Dälebann
IUCN Not AssignedForest Reserves · 2023
0 km²
Horngraben
IUCN Not AssignedForest Reserves · 2023
0 km²
Horngraben
IUCN Not AssignedForest Reserves · 2023
0 km²
Complete list22 protected areas
- OberaargauEmerald NetworkIUCN Not Reported115 km²
- OberaargauEmerald SitesIUCN Not Assigned2009115 km²
- ChambenForest ReservesIUCN Not Assigned20230 km²
- Holzmatt/DälebannForest ReservesIUCN Not Assigned20230 km²
- HorngrabenForest ReservesIUCN Not Assigned20230 km²
- HorngrabenForest ReservesIUCN Not Assigned20230 km²
- VogelraupfiFederal Inventory of Amphibian Spawning Areas of National ImportanceIUCN IV20030 km²
- ErlenschachenPrivate Nature ReservesIUCN Not Assigned20180 km²
- ErlenschachenForest ReservesIUCN Not Assigned20230 km²
- WalderalpFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- BuechmattFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Chlepfibeerimoos (15004)Private Nature ReservesIUCN Not Assigned20180 km²
- ErlimoosFederal Inventory of Amphibian Spawning Areas of National ImportanceIUCN IV20010 km²
- RiedgrabenForest ReservesIUCN Not Assigned20230 km²
- RiedgrabenForest ReservesIUCN Not Assigned20230 km²
- Hintere SchmidemattFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Colas GrubeFederal Inventory of Amphibian Spawning Areas of National ImportanceIUCN IV20030 km²
- Chlepfibeerimoos (28000)Private Nature ReservesIUCN Not Assigned20180 km²
- SchwangFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20170 km²
- Vord. HofbergliFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20100 km²
- Chlepfimoos/BurgmoosFederal Inventory of Raised and Transitional Mires of National ImportanceIUCN Ia19910 km²
- GummeFederal Inventory of Dry Grasslands and Pastures of National ImportanceIUCN IV20170 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations26
- AttiswilCommune
- BerkenCommune
- BettenhausenCommune
- BollodingenCommune
- FarnernCommune
- GrabenCommune
- HeimenhausenCommune
- HermiswilCommune
- HerzogenbuchseeCommune
- InkwilCommune
- NiederbippCommune
- NiederönzCommune
- OberbippCommune
- OberönzCommune
- OchlenbergCommune
- RumisbergCommune
- RöthenbachCommune
- SeebergCommune
- ThörigenCommune
- Walliswil bei NiederbippCommune
- Walliswil bei WangenCommune
- Wangen an der AareCommune
- WangenriedCommune
- WanzwilCommune
- WiedlisbachCommune
- WolfisbergCommune