Ontologia

Commune · CHE

Pfaffnau

Switzerland

CfbTemperate, no dry season, warm summer(100 %)

Species observed

2 444

Observations

12 083

Area

17,7km²

Ecological tissue

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Pfaffnau : 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).

Espèces affichées
40
Interactions affichées
90
Connectance
0.115
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

2 444 distinct species · 12 083 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 083 obs · 1 cellules
Obs. / cellule
≥ 12 083
12 083–12 082
12 083–12 082
12 083–12 082
< 12 083

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

9,6°C

Annual rain

1 189mm

Warmest m°

22,8°C

Coldest m°

-3,0°C

Elevation: 545 m on average (min 467 m, max 665 m)

Bioclimatic detailsExpert
Annual mean temp.
9,6°C
Annual rain
1 189mm
Warmest month
22,8°C
Coldest month
-3,0°C
Mean alt.
545m
Min
467m
Max
665m
Std. dev.
52m
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

5,8

Org. C

46,9g/kg

Clay

19,3%

Sand

44,8%

Silt

35,9%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: smGLiMaggregated to Willisau

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
72,0g/kg
Clay
19,5%
Sand
44,4%
Silt
36,0%
5–15 cm
pH H₂O
5,8
Org. C
42,6g/kg
Clay
19,2%
Sand
44,7%
Silt
36,1%
15–30 cm
pH H₂O
5,8
Org. C
26,2g/kg
Clay
19,3%
Sand
45,1%
Silt
35,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest32.3%
Crops31.9%
Built-up1.3%
Bare soil0.6%
Other (grassland, water…)33.9%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology2 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

4,8km

Basins crossed

2

Max stream order

2

Max drainage

9 936km²

Discharge in basins

3,1m³/s

Mean precip.

1 073mm/an

Mean T°

8,3°C

Moisture idx

0,30

Max snow

21%

Mean runoff

807mm/an

Mean elev. (basins)

618m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

1,0nW

Built-up

126,2%

Pesticides

50,2kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas4

IUCN Not Assigned · 3IUCN Not Reported · 1

Oberaargau

IUCN Not Reported

Emerald Network

115 km²

Oberaargau

IUCN Not Assigned

Emerald Sites · 2009

115 km²

Weierrain

IUCN Not Assigned

Forest Reserves · 2023

0 km²

Scharlete

IUCN Not Assigned

Forest Reserves · 2023

0 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN