Ontologia

District · CHE

Affoltern

Switzerland

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

Species observed

4 239

Observations

124 792

Area

114km²

Ecological tissue

Sample of 34 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 Affoltern : 22 espèces reliées par 130 interactions GloBI sur 6 types (connectance 18.5%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
130
Connectance
0.185
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

4 239 distinct species · 124 792 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

124 792 obs · 3 cellules
Obs. / cellule
≥ 51 768
51 768–51 767
51 768–51 767
42 767–51 767
< 42 767

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 423mm

Warmest m°

22,4°C

Coldest m°

-2,5°C

Elevation: 571 m on average (min 383 m, max 792 m)

Bioclimatic detailsExpert
Annual mean temp.
9,6°C
Annual rain
1 423mm
Warmest month
22,4°C
Coldest month
-2,5°C
Mean alt.
571m
Min
383m
Max
792m
Std. dev.
95m
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

6,2

Org. C

50,6g/kg

Clay

24,7%

Sand

40,2%

Silt

35,1%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
75,3g/kg
Clay
24,7%
Sand
40,3%
Silt
35,1%
5–15 cm
pH H₂O
6,2
Org. C
45,2g/kg
Clay
25,0%
Sand
40,1%
Silt
34,9%
15–30 cm
pH H₂O
6,3
Org. C
31,3g/kg
Clay
24,4%
Sand
40,1%
Silt
35,5%

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

Land cover

Forest33.0%
Crops24.8%
Built-up2.3%
Bare soil0.9%
Other (grassland, water…)39.0%

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

Hydrology3 basins · 1 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

38,7km

Lake surface here

0,44km²

Basins crossed

3

Max stream order

4

Max drainage

3 435km²

Discharge in basins

39,7m³/s

Mean precip.

1 181mm/an

Mean T°

8,2°C

Moisture idx

0,37

Max snow

32%

Mean runoff

968mm/an

Mean elev. (basins)

663m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

1,1nW

Built-up

228,6%

Pesticides

52,8kg/km²

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

Protected areas100

IUCN Not Assigned · 52IUCN IV · 42IUCN Ia · 5IUCN Not Reported · 1

Reusstal

IUCN Not Assigned

Emerald Sites · 2009

32 km²

Reusstal

IUCN Not Reported

Emerald Network

32 km²

Sihlwald

IUCN Not Assigned

Forest Reserves · 2023

10 km²

Complete list

+ 40 protected areas (top 60 shown)

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

Sub-administrations14