Ontologia

Commune · CHE

Pieterlen

Switzerland

CfbTemperate, no dry season, warm summer(93 %)

Species observed

2 995

Observations

20 987

Area

8,6km²

Ecological tissue

Sample of 33 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 Pieterlen : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 134 interactions GloBI sur 6 types (connectance 25.4%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
134
Connectance
0.254
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

2 995 distinct species · 20 987 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 987 obs · 1 cellules
Obs. / cellule
≥ 20 987
20 987–20 986
20 987–20 986
20 987–20 986
< 20 987

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

Climate

Mean T°

9,3°C

Annual rain

1 471mm

Warmest m°

22,4°C

Coldest m°

-3,2°C

Elevation: 601 m on average (min 449 m, max 880 m)

Bioclimatic detailsExpert
Annual mean temp.
9,3°C
Annual rain
1 471mm
Warmest month
22,4°C
Coldest month
-3,2°C
Mean alt.
601m
Min
449m
Max
880m
Std. dev.
111m
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

6,0

Org. C

77,2g/kg

Clay

31,9%

Sand

22,8%

Silt

45,3%

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

Dominant lithology: suGLiMaggregated to Büren

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
114,1g/kg
Clay
32,3%
Sand
22,6%
Silt
45,2%
5–15 cm
pH H₂O
6,1
Org. C
74,6g/kg
Clay
31,9%
Sand
23,0%
Silt
45,1%
15–30 cm
pH H₂O
6,1
Org. C
42,9g/kg
Clay
31,6%
Sand
22,9%
Silt
45,6%

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

Land cover

Forest33.8%
Crops25.8%
Built-up2.8%
Bare soil0.6%
Other (grassland, water…)37.1%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,7km

Basins crossed

1

Max stream order

1

Max drainage

8 397km²

Discharge in basins

3,3m³/s

Mean precip.

1 080mm/an

Mean T°

7,6°C

Moisture idx

0,29

Max snow

19%

Mean runoff

697mm/an

Mean elev. (basins)

721m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

3hab/km²

Night light

2,7nW

Built-up

278,1%

Pesticides

53,9kg/km²

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

Protected areas1

IUCN IV · 1

Pâturage sur l'Envers

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2017

0 km²

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