Ontologia

District · CHE

Hérens

Switzerland

ETPolar, tundra(56 %)

Species observed

6 761

Observations

200 820

Area

470,1km²

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 Hérens : 30 espèces + 4 bulles famille, 43 interactions GloBI documentées sur 7 types (connectance 7.7%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
34
Interactions affichées
43
Connectance
0.077
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

6 761 distinct species · 200 820 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

201 028 obs · 13 cellules
Obs. / cellule
≥ 33 455
31 221–33 454
25 810–31 220
16 870–25 809
< 16 870

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

Climate

Mean T°

-1,3°C

Annual rain

1 387mm

Warmest m°

13,6°C

Coldest m°

-16,9°C

Elevation: 2 297 m on average (min 538 m, max 3 624 m)

Bioclimatic detailsExpert
Annual mean temp.
-1,3°C
Annual rain
1 387mm
Warmest month
13,6°C
Coldest month
-16,9°C
Mean alt.
2 297m
Min
538m
Max
3 624m
Std. dev.
660m
Köppen-Geiger (dominant)
ETPolar, tundra(56 %)Polar

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

70,5g/kg

Clay

19,6%

Sand

39,6%

Silt

40,8%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
108,1g/kg
Clay
18,9%
Sand
39,6%
Silt
41,5%
5–15 cm
pH H₂O
6,0
Org. C
61,5g/kg
Clay
19,4%
Sand
39,5%
Silt
41,1%
15–30 cm
pH H₂O
6,1
Org. C
41,8g/kg
Clay
20,6%
Sand
39,6%
Silt
39,8%

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

Land cover

Forest18.7%
Crops0.2%
Built-up0.2%
Bare soil20.0%
Other (grassland, water…)60.8%

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

Hydrology9 basins · 2 lakes · 18 rivers

Hydrology metrics for this exact territory

Stream length here

105,8km

Lake surface here

2,36km²

Basins crossed

9

Max stream order

3

Max drainage

3 774km²

Discharge in basins

46,1m³/s

Mean precip.

1 733mm/an

Mean T°

0,6°C

Moisture idx

0,67

Max snow

57%

Mean runoff

908mm/an

Mean elev. (basins)

2 223m

Watersheds crossing here

Lakes (2, top by area)

Rivers / streams (18, ord ≥ 4)

6 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

23,5%

Pesticides

7,4kg/km²

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

Protected areas56

IUCN IV · 51IUCN Not Assigned · 5

Dixence

IUCN IV

Federal Hunting Reserves · 1992

45 km²

Glacier de Cheilon

IUCN IV

Federal Inventory of Alluvial Zones of National Importance · 2001

1 km²

Mase

IUCN IV

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

1 km²

Suen-Trogne

IUCN IV

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

1 km²

Lac de Lona

IUCN IV

Federal Inventory of Fenlands of National Importance · 2017

1 km²

Complete list

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

Sub-administrations9