Ontologia

Commune · CHE

Blatten

Switzerland

ETPolar, tundra(78 %)

Species observed

2 273

Observations

20 252

Area

94,9km²

Ecological tissue

Sample of 30 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 Blatten : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 7 bulles famille, 38 interactions GloBI documentées sur 7 types (connectance 8.7%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
30
Interactions affichées
38
Connectance
0.087
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

2 273 distinct species · 20 252 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 616 obs · 24 cellules · 1828–2025
Obs. / cellule
≥ 8 298
752–8 297
232–751
38–231
< 38

Source : GBIF — observations agrégées par hexagones 0.02° × 0.02° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

-3,5°C

Annual rain

2 200mm

Warmest m°

11,1°C

Coldest m°

-17,8°C

Elevation: 2 625 m on average (min 1 574 m, max 3 548 m)

Bioclimatic detailsExpert
Annual mean temp.
-3,5°C
Annual rain
2 200mm
Warmest month
11,1°C
Coldest month
-17,8°C
Mean alt.
2 625m
Min
1 574m
Max
3 548m
Std. dev.
463m
Köppen-Geiger (dominant)
ETPolar, tundra(78 %)Polar

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

80,0g/kg

Clay

15,2%

Sand

44,5%

Silt

40,3%

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

Dominant lithology: mtGLiMaggregated to West Raron

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
136,5g/kg
Clay
14,9%
Sand
44,2%
Silt
40,9%
5–15 cm
pH H₂O
6,2
Org. C
62,0g/kg
Clay
14,4%
Sand
44,5%
Silt
41,1%
15–30 cm
pH H₂O
6,2
Org. C
41,4g/kg
Clay
16,4%
Sand
44,8%
Silt
38,9%

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

Land cover

Forest3.8%
Crops0.0%
Built-up0.0%
Bare soil20.9%
Other (grassland, water…)75.3%

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

Hydrology4 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

18,5km

Basins crossed

4

Max stream order

2

Max drainage

2 416km²

Discharge in basins

14,1m³/s

Mean precip.

1 714mm/an

Mean T°

1,2°C

Moisture idx

0,66

Max snow

56%

Mean runoff

1 102mm/an

Mean elev. (basins)

2 061m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

2,8%

Pesticides

41,1kg/km²

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

Protected areas11

IUCN IV · 9IUCN Not Applicable · 1IUCN Not Assigned · 1

Bietschhorn

IUCN IV

Federal Hunting Reserves · 1992

13 km²

Tännmattu

IUCN IV

Federal Inventory of Alluvial Zones of National Importance · 1992

0 km²

Ritzmad

IUCN IV

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

0 km²

Complete list

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