Ontologia

Commune · CHE

Surava

Switzerland

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

Species observed

3 023

Observations

22 388

Area

6,9km²

Ecological tissue

Sample of 28 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 Surava : 13 espèces reliées par 139 interactions GloBI sur 5 types (connectance 28.0%, filtre Serrano α=0.2). 19 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
139
Connectance
0.280
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

3 023 distinct species · 22 388 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

22 388 obs · 1 cellules
Obs. / cellule
≥ 22 388
22 388–22 387
22 388–22 387
22 388–22 387
< 22 388

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

Climate

Mean T°

6,1°C

Annual rain

997mm

Warmest m°

20,5°C

Coldest m°

-9,6°C

Elevation: 1 212 m on average (min 1 057 m, max 1 915 m)

Bioclimatic detailsExpert
Annual mean temp.
6,1°C
Annual rain
997mm
Warmest month
20,5°C
Coldest month
-9,6°C
Mean alt.
1 212m
Min
1 057m
Max
1 915m
Std. dev.
163m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

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

Soil & lithology

pH H₂O

5,3

Org. C

63,5g/kg

Clay

19,5%

Sand

44,5%

Silt

36,1%

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

Dominant lithology: scGLiMaggregated to Albula

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
91,8g/kg
Clay
20,1%
Sand
43,6%
Silt
36,3%
5–15 cm
pH H₂O
5,3
Org. C
65,6g/kg
Clay
19,4%
Sand
44,6%
Silt
36,1%
15–30 cm
pH H₂O
5,4
Org. C
33,1g/kg
Clay
18,9%
Sand
45,3%
Silt
35,9%

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

Land cover

Forest57.2%
Crops2.3%
Built-up0.4%
Bare soil3.1%
Other (grassland, water…)36.9%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

5,0km

Basins crossed

1

Max stream order

4

Max drainage

1 681km²

Discharge in basins

0,2m³/s

Mean precip.

1 402mm/an

Mean T°

1,3°C

Moisture idx

0,65

Max snow

49%

Mean runoff

1 060mm/an

Mean elev. (basins)

2 068m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

41,5%

Pesticides

0,0kg/km²

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

Protected areas5

IUCN IV · 3IUCN Not Assigned · 2

Crap furò

IUCN Not Assigned

Forest Reserves · 2023

1 km²

Igl Plaz

IUCN IV

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

0 km²

Cresta Bernard

IUCN IV

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

0 km²

Tauf

IUCN IV

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

0 km²

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