Ontologia

Commune · CHE

Churwalden

Switzerland

DfcCold, no dry season, cold summer(51 %)

Species observed

1 902

Observations

13 943

Area

27,6km²

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 Churwalden : 8 espèces reliées par 131 interactions GloBI sur 6 types (connectance 43.7%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
131
Connectance
0.437
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

1 902 distinct species · 13 943 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 943 obs · 1 cellules
Obs. / cellule
≥ 13 943
13 943–13 942
13 943–13 942
13 943–13 942
< 13 943

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

Climate

Mean T°

3,1°C

Annual rain

1 430mm

Warmest m°

17,5°C

Coldest m°

-12,3°C

Elevation: 1 570 m on average (min 790 m, max 2 293 m)

Bioclimatic detailsExpert
Annual mean temp.
3,1°C
Annual rain
1 430mm
Warmest month
17,5°C
Coldest month
-12,3°C
Mean alt.
1 570m
Min
790m
Max
2 293m
Std. dev.
363m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(51 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,1

Org. C

55,6g/kg

Clay

19,7%

Sand

44,2%

Silt

36,2%

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

Dominant lithology: suGLiMaggregated to Plessur

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
80,2g/kg
Clay
20,6%
Sand
43,1%
Silt
36,3%
5–15 cm
pH H₂O
6,1
Org. C
57,6g/kg
Clay
19,8%
Sand
44,0%
Silt
36,2%
15–30 cm
pH H₂O
6,2
Org. C
29,1g/kg
Clay
18,7%
Sand
45,4%
Silt
35,9%

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

Land cover

Forest38.4%
Crops0.3%
Built-up0.4%
Bare soil3.2%
Other (grassland, water…)57.8%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

4,5km

Basins crossed

2

Max stream order

3

Max drainage

4 871km²

Discharge in basins

2,7m³/s

Mean precip.

1 271mm/an

Mean T°

4,1°C

Moisture idx

0,51

Max snow

49%

Mean runoff

1 102mm/an

Mean elev. (basins)

1 501m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

35,9%

Pesticides

28,2kg/km²

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

Protected areas18

IUCN IV · 16IUCN Not Assigned · 1IUCN Ia · 1

Foppa

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2010

0 km²

Pfaffenbarga

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2010

0 km²

Meni

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2010

0 km²

Uf der Flue

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2021

0 km²

Complete list

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