Grenchner Witi
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance · 2017
6 km²
Commune · CHE
Rüti bei Büren
Switzerland
CfbTemperate, no dry season, warm summer(100 %)
Species observed
2 684
Observations
22 777
Area
6,7km²
Ecological tissue
Sample of 41 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 Rüti bei Büren : 31 espèces reliées par 115 interactions GloBI sur 5 types (connectance 14.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
41
Interactions affichées
115
Connectance
0.140
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 684 distinct species · 22 777 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,0°C
Annual rain
1 216mm
Warmest m°
23,2°C
Coldest m°
-2,8°C
Elevation: 473 m on average (min 429 m, max 554 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,0°C
Annual rain
1 216mm
Warmest month
23,2°C
Coldest month
-2,8°C
Mean alt.
473m
Min
429m
Max
554m
Std. dev.
43m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
47,8g/kg
Clay
24,8%
Sand
39,6%
Silt
35,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Büren
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
69,7g/kg
Clay
25,4%
Sand
39,2%
Silt
35,3%
5–15 cm
pH H₂O
6,6
Org. C
36,3g/kg
Clay
24,5%
Sand
39,7%
Silt
35,9%
15–30 cm
pH H₂O
6,6
Org. C
37,2g/kg
Clay
24,4%
Sand
39,7%
Silt
35,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest37.2%
Crops31.8%
Built-up1.5%
Bare soil0.7%
Other (grassland, water…)28.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
3,9km
Basins crossed
2
Max stream order
6
Max drainage
8 397km²
Discharge in basins
2,5m³/s
Mean precip.
1 082mm/an
Mean T°
7,6°C
Moisture idx
0,29
Max snow
27%
Mean runoff
701mm/an
Mean elev. (basins)
724m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,0nW
Built-up
147,8%
Pesticides
53,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN IV · 3
Witi (BE,SO)
IUCN IVFederal Inventory of Reserves for Waterbirds and Migratory Birds of International and National Imp. · 1992
4 km²
Kieswerk Schopsberg
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance · 2003
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN