Biessenhofer Weiher
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance · 2001
0 km²
Commune · CHE
Erlen
Switzerland
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 286
Observations
8 942
Area
12,4km²
Ecological tissue
Sample of 20 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 Erlen : 8 espèces reliées par 128 interactions GloBI sur 6 types (connectance 46.4%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
24
Interactions affichées
128
Connectance
0.464
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
1 286 distinct species · 8 942 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,8°C
Annual rain
1 171mm
Warmest m°
22,5°C
Coldest m°
-3,3°C
Elevation: 479 m on average (min 450 m, max 549 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,8°C
Annual rain
1 171mm
Warmest month
22,5°C
Coldest month
-3,3°C
Mean alt.
479m
Min
450m
Max
549m
Std. dev.
21m
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
6,4
Org. C
33,4g/kg
Clay
22,7%
Sand
37,7%
Silt
39,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Bischofszell
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
40,4g/kg
Clay
22,8%
Sand
37,7%
Silt
39,3%
5–15 cm
pH H₂O
6,4
Org. C
33,0g/kg
Clay
22,6%
Sand
37,7%
Silt
39,8%
15–30 cm
pH H₂O
6,4
Org. C
26,7g/kg
Clay
22,7%
Sand
37,7%
Silt
39,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest22.1%
Crops30.7%
Built-up2.5%
Bare soil0.6%
Other (grassland, water…)44.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
4,7km
Basins crossed
2
Max stream order
1
Max drainage
10 144km²
Discharge in basins
6,8m³/s
Mean precip.
1 015mm/an
Mean T°
9,0°C
Moisture idx
0,23
Max snow
23%
Mean runoff
874mm/an
Mean elev. (basins)
473m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,7nW
Built-up
249,3%
Pesticides
55,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN IV · 3
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN