Oberaargau
IUCN Not ReportedEmerald Network
115 km²
Commune · CHE
Switzerland
Species observed
2 444
Observations
12 083
Area
9,8km²
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).
Tissu écologique de Roggliswil : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 6 types (connectance 11.5%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
2 444 distinct species · 12 083 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
9,3°C
Annual rain
1 224mm
Warmest m°
22,4°C
Coldest m°
-3,2°C
Elevation: 601 m on average (min 510 m, max 689 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
5,9
Org. C
49,8g/kg
Clay
19,3%
Sand
45,8%
Silt
34,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Willisau
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
0,2km
Basins crossed
2
Max stream order
1
Max drainage
9 936km²
Discharge in basins
1,5m³/s
Mean precip.
1 077mm/an
Mean T°
8,3°C
Moisture idx
0,31
Max snow
21%
Mean runoff
811mm/an
Mean elev. (basins)
621m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,7nW
Built-up
102,8%
Pesticides
54,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Emerald Network
115 km²
Emerald Sites · 2009
115 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN